Galway monthly weather forecast

Monthly weather forecast for Galway. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

31 August 2026, Monday
+14°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
11.2
81%
1005
01:00
+15°C
11.2
92%
1006
02:00
+15°C
16.2
89%
1007
03:00
+15°C
17.3
87%
1008
04:00
+14°C
16.2
82%
1009
05:00
+14°C
15.8
77%
1010
06:00
+14°C
11.9
76%
1010
07:00
+14°C
14
75%
1012
08:00
+14°C
11.9
74%
1013
09:00
+14°C
13
74%
1013
10:00
+16°C
11.5
65%
1014
11:00
+16°C
11.5
57%
1014
12:00
+17°C
10.4
59%
1015
13:00
+17°C
15.8
59%
1015
14:00
+16°C
16.6
70%
1016
15:00
+16°C
15.8
66%
1016
16:00
+17°C
15.5
67%
1016
17:00
+17°C
15.5
63%
1016
18:00
+17°C
15.5
63%
1016
19:00
+17°C
12.2
70%
1016
20:00
+17°C
16.6
67%
1016
21:00
+17°C
15.8
67%
1016
22:00
+17°C
16.6
74%
1016
23:00
+16°C
12.2
83%
1016
01 September 2026, Tuesday
+15°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
14.8
80%
1016
01:00
+15°C
10.1
91%
1016
02:00
+16°C
11.2
86%
1016
03:00
+16°C
15.1
83%
1016
04:00
+16°C
13.7
90%
1015
05:00
+16°C
12.2
92%
1015
06:00
+15°C
8.6
90%
1016
07:00
+16°C
10.1
87%
1016
08:00
+16°C
13.3
95%
1016
09:00
+16°C
14
84%
1016
10:00
+16°C
16.9
90%
1016
11:00
+16°C
13.7
87%
1016
12:00
+17°C
17.3
81%
1016
13:00
+18°C
18
78%
1016
14:00
+16°C
17.6
91%
1016
15:00
+16°C
13.7
88%
1016
16:00
+18°C
15.5
84%
1016
17:00
+18°C
16.9
80%
1016
18:00
+18°C
16.6
78%
1015
19:00
+18°C
16.9
81%
1015
20:00
+18°C
15.1
78%
1015
21:00
+17°C
12.6
76%
1015
22:00
+17°C
13.3
79%
1014
23:00
+16°C
13
90%
1014
02 September 2026, Wednesday
+15°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
14.4
94%
1013
01:00
+15°C
17.6
95%
1012
02:00
+15°C
14.8
96%
1010
03:00
+15°C
15.1
96%
1008
04:00
+16°C
9.7
98%
1008
05:00
+18°C
20.5
97%
1008
06:00
+18°C
20.2
96%
1007
07:00
+18°C
18
96%
1008
08:00
+18°C
20.5
97%
1008
09:00
+18°C
21.1
97%
1008
10:00
+18°C
21.6
95%
1008
11:00
+18°C
24.1
92%
1008
12:00
+18°C
25.6
90%
1009
13:00
+18°C
26.3
89%
1009
14:00
+18°C
25.9
90%
1009
15:00
+18°C
25.2
91%
1009
16:00
+18°C
24.5
92%
1009
17:00
+18°C
24.5
91%
1009
18:00
+18°C
24.5
90%
1009
19:00
+18°C
23.8
88%
1009
20:00
+17°C
22
85%
1010
21:00
+16°C
19.4
81%
1010
22:00
+16°C
17.6
78%
1011
23:00
+16°C
16.6
77%
1011
03 September 2026, Thursday
+14°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
16.2
78%
1012
01:00
+16°C
15.8
79%
1013
02:00
+16°C
15.5
80%
1013
03:00
+16°C
14.8
80%
1013
04:00
+16°C
14.8
81%
1013
05:00
+16°C
14.8
82%
1013
06:00
+16°C
15.1
82%
1013
07:00
+16°C
16.2
82%
1013
08:00
+16°C
18
81%
1014
09:00
+17°C
20.5
80%
1014
10:00
+17°C
22.3
79%
1014
11:00
+18°C
22.7
77%
1014
12:00
+18°C
22.3
76%
1014
13:00
+18°C
22.3
75%
1014
14:00
+18°C
22.7
75%
1014
15:00
+18°C
23.4
77%
1014
16:00
+18°C
23
79%
1014
17:00
+17°C
20.9
83%
1014
18:00
+17°C
18
87%
1013
19:00
+16°C
15.1
91%
1013
20:00
+15°C
12.2
94%
1012
21:00
+15°C
9
96%
1011
22:00
+15°C
6.8
98%
1010
23:00
+14°C
6.1
99%
1009
04 September 2026, Friday
+13°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
6.5
99%
1008
01:00
+14°C
7.2
98%
1007
02:00
+14°C
8.6
97%
1007
03:00
+15°C
10.8
95%
1008
04:00
+15°C
12.2
93%
1009
05:00
+15°C
11.9
93%
1009
06:00
+14°C
10.8
92%
1010
07:00
+14°C
11.2
91%
1010
08:00
+15°C
14.4
88%
1010
09:00
+16°C
18.7
83%
1011
10:00
+16°C
22.7
78%
1011
11:00
+17°C
25.2
72%
1011
12:00
+17°C
27
65%
1011
13:00
+18°C
28.1
61%
1012
14:00
+18°C
27.7
62%
1012
15:00
+17°C
26.3
67%
1012
16:00
+17°C
24.5
71%
1012
17:00
+17°C
21.6
74%
1013
18:00
+16°C
18.4
78%
1013
19:00
+16°C
15.5
81%
1013
20:00
+15°C
13.3
84%
1014
21:00
+15°C
11.2
87%
1014
22:00
+14°C
9.4
90%
1015
23:00
+13°C
7.6
93%
1015
05 September 2026, Saturday
+10°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
6.5
95%
1015
01:00
+10°C
5.4
97%
1015
02:00
+10°C
5
98%
1016
03:00
+10°C
5.4
99%
1016
04:00
+10°C
5.8
99%
1016
05:00
+10°C
5.8
100%
1016
06:00
+10°C
5.8
100%
1017
07:00
+10°C
5.8
100%
1017
08:00
+11°C
5.8
98%
1017
09:00
+13°C
5.8
96%
1017
10:00
+15°C
6.1
91%
1017
11:00
+16°C
6.8
82%
1017
12:00
+18°C
7.6
71%
1017
13:00
+19°C
8.6
65%
1017
14:00
+18°C
10.1
68%
1017
15:00
+17°C
11.9
76%
1016
16:00
+16°C
13
83%
1016
17:00
+16°C
13.7
88%
1016
18:00
+15°C
13.7
91%
1015
19:00
+15°C
13.7
94%
1014
20:00
+15°C
13.3
95%
1014
21:00
+15°C
13
96%
1013
22:00
+16°C
13
96%
1012
23:00
+17°C
16.6
96%
1012
06 September 2026, Sunday
+14°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
16.9
95%
1011
01:00
+18°C
17.6
95%
1011
02:00
+18°C
18.4
95%
1010
03:00
+18°C
19.1
95%
1009
04:00
+18°C
19.4
95%
1009
05:00
+18°C
20.2
94%
1008
06:00
+18°C
20.9
94%
1008
07:00
+18°C
21.2
94%
1007
08:00
+18°C
21.6
94%
1007
09:00
+19°C
22
95%
1007
10:00
+19°C
22.3
95%
1008
11:00
+19°C
22.7
96%
1008
12:00
+19°C
22.7
96%
1008
13:00
+19°C
22.7
95%
1009
14:00
+19°C
22.3
93%
1009
15:00
+18°C
22
90%
1010
16:00
+18°C
21.2
87%
1011
17:00
+17°C
20.5
84%
1012
18:00
+17°C
19.8
81%
1013
19:00
+16°C
18.7
80%
1014
20:00
+16°C
17.6
81%
1015
21:00
+15°C
16.2
82%
1016
22:00
+15°C
14.8
85%
1017
23:00
+14°C
11.9
88%
1017
07 September 2026, Monday
+11°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+13°C
9.2
92%
1017
01:00
+12°C
6.5
95%
1017
02:00
+12°C
3.4
99%
1017
03:00
+11°C
1.7
100%
1017
04:00
+11°C
1.2
100%
1017
05:00
+11°C
2.6
100%
1017
06:00
+11°C
4.4
100%
1016
07:00
+11°C
5.9
100%
1016
08:00
+12°C
7.8
96%
1016
09:00
+13°C
10.2
90%
1015
10:00
+14°C
13
83%
1015
11:00
+15°C
15.5
77%
1015
12:00
+16°C
17.5
73%
1014
13:00
+16°C
18.4
71%
1014
14:00
+16°C
17.6
70%
1013
15:00
+16°C
15.4
72%
1012
16:00
+16°C
12.2
73%
1011
17:00
+16°C
9.6
76%
1010
18:00
+15°C
7.8
79%
1009
19:00
+15°C
7.8
81%
1008
20:00
+15°C
9.9
83%
1007
21:00
+15°C
13.9
85%
1006
22:00
+15°C
18.8
88%
1005
23:00
+15°C
23.7
89%
1005
08 September 2026, Tuesday
+14°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
27.4
90%
1004
01:00
+15°C
29.3
91%
1003
02:00
+15°C
28.4
90%
1003
03:00
+14°C
25.9
87%
1003
04:00
+14°C
22.9
85%
1003
05:00
+14°C
20.5
82%
1003
06:00
+14°C
19.8
79%
1003
07:00
+14°C
20.8
77%
1003
08:00
+14°C
22.9
75%
1003
09:00
+14°C
25.6
72%
1003
10:00
+15°C
29
70%
1003
11:00
+15°C
32.4
69%
1002
12:00
+15°C
35.4
67%
1002
13:00
+16°C
38
66%
1002
14:00
+16°C
40.1
65%
1001
15:00
+16°C
42
64%
1000
16:00
+16°C
43.6
64%
999
17:00
+15°C
44.8
63%
998
18:00
+15°C
45.7
63%
997
19:00
+15°C
46.1
64%
996
20:00
+15°C
45.9
65%
995
21:00
+15°C
45.3
68%
995
22:00
+15°C
44.4
70%
995
23:00
+15°C
43.5
73%
994
09 September 2026, Wednesday
+13°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
42.5
75%
994
01:00
+15°C
41.4
77%
994
02:00
+15°C
39.9
78%
994
03:00
+14°C
38.1
79%
994
04:00
+14°C
36.1
80%
994
05:00
+14°C
34.2
80%
995
06:00
+14°C
32.6
80%
995
07:00
+14°C
31.2
79%
996
08:00
+14°C
30
78%
996
09:00
+15°C
29
75%
997
10:00
+16°C
27.8
71%
998
11:00
+16°C
26.8
69%
999
12:00
+17°C
25.7
67%
1000
13:00
+17°C
24.7
66%
1000
14:00
+17°C
23.5
68%
1001
15:00
+16°C
22.4
70%
1001
16:00
+16°C
21.4
74%
1001
17:00
+15°C
20.2
78%
1001
18:00
+15°C
19.3
82%
1001
19:00
+14°C
18.4
86%
1002
20:00
+14°C
17.5
88%
1002
21:00
+13°C
16.8
90%
1002
22:00
+13°C
16.4
92%
1003
23:00
+13°C
15.7
93%
1003
10 September 2026, Thursday
+11°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
14.9
94%
1003
01:00
+12°C
14.1
95%
1004
02:00
+12°C
12.7
97%
1004
03:00
+11°C
11.3
98%
1005
04:00
+11°C
9.7
99%
1005
05:00
+11°C
8.3
100%
1005
06:00
+11°C
7.2
100%
1006
07:00
+11°C
6.4
98%
1006
08:00
+11°C
6
94%
1007
09:00
+12°C
5.6
89%
1007
10:00
+14°C
5.5
82%
1008
11:00
+15°C
5.4
77%
1008
12:00
+16°C
5.3
73%
1008
13:00
+16°C
5.3
71%
1009
14:00
+16°C
5.3
72%
1009
15:00
+16°C
5.4
75%
1009
16:00
+15°C
5.6
79%
1009
17:00
+15°C
5.6
84%
1009
18:00
+14°C
5.4
89%
1010
19:00
+13°C
5.1
92%
1010
20:00
+13°C
4.3
95%
1010
21:00
+12°C
3.6
96%
1011
22:00
+12°C
3.9
97%
1011
23:00
+12°C
4.9
98%
1011
11 September 2026, Friday
+9°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
6.1
99%
1012
01:00
+11°C
7
100%
1012
02:00
+11°C
7.5
100%
1013
03:00
+10°C
7.3
100%
1013
04:00
+10°C
7.1
100%
1013
05:00
+9°C
6.7
100%
1013
06:00
+9°C
6.6
100%
1013
07:00
+10°C
6.8
98%
1014
08:00
+10°C
7.5
94%
1014
09:00
+11°C
8.7
88%
1014
10:00
+13°C
10.4
81%
1015
11:00
+14°C
12.2
75%
1015
12:00
+15°C
13.7
71%
1016
13:00
+16°C
14.5
68%
1016
14:00
+16°C
15
67%
1016
15:00
+16°C
15.3
67%
1017
16:00
+16°C
15.6
68%
1017
17:00
+16°C
16.3
69%
1017
18:00
+16°C
17
70%
1017
19:00
+15°C
17.3
73%
1017
20:00
+14°C
16.9
75%
1018
21:00
+14°C
15.9
79%
1018
22:00
+13°C
14.6
84%
1019
23:00
+12°C
13.1
88%
1019
12 September 2026, Saturday
+9°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
11.9
93%
1020
01:00
+10°C
11
96%
1020
02:00
+10°C
10.5
99%
1021
03:00
+9°C
10.1
100%
1021
04:00
+9°C
9.8
100%
1021
05:00
+9°C
9.6
100%
1021
06:00
+9°C
9.5
100%
1021
07:00
+9°C
9.5
99%
1022
08:00
+10°C
10
94%
1022
09:00
+11°C
11
88%
1022
10:00
+13°C
12.6
81%
1023
11:00
+14°C
14.1
75%
1023
12:00
+15°C
15.4
70%
1024
13:00
+16°C
16.1
67%
1024
14:00
+16°C
15.9
66%
1024
15:00
+16°C
14.9
66%
1024
16:00
+16°C
13.6
66%
1024
17:00
+15°C
12.4
68%
1024
18:00
+15°C
11.4
69%
1024
19:00
+15°C
10.9
71%
1025
20:00
+14°C
10.9
73%
1025
21:00
+14°C
10.8
75%
1025
22:00
+13°C
11
79%
1026
23:00
+13°C
11
82%
1026
13 September 2026, Sunday
+11°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
11.2
85%
1026
01:00
+12°C
11
87%
1027
02:00
+12°C
10.6
89%
1027
03:00
+12°C
10.1
92%
1027
04:00
+11°C
9.4
93%
1027
05:00
+11°C
8.8
95%
1027
06:00
+11°C
8.5
95%
1027
07:00
+11°C
8.5
93%
1027
08:00
+12°C
9.1
88%
1027
09:00
+13°C
10.7
82%
1027
10:00
+13°C
12.4
75%
1028
11:00
+14°C
14.1
69%
1028
12:00
+15°C
15.7
64%
1028
13:00
+15°C
16.5
62%
1028
14:00
+16°C
16.5
62%
1028
15:00
+16°C
16.1
64%
1028
16:00
+16°C
15.3
67%
1028
17:00
+15°C
14.5
71%
1028
18:00
+15°C
14.2
74%
1028
19:00
+15°C
13.9
77%
1028
20:00
+14°C
14
80%
1028
21:00
+14°C
14.2
83%
1028
22:00
+13°C
14.6
87%
1029
23:00
+13°C
15
90%
1029


Climate Characteristics of Galway

General Overview

Galway features a maritime temperate climate directly and intensely influenced by the Atlantic Ocean. The city is known as one of the rainiest and windiest cities in Ireland. Its weather is incredibly dynamic, where heavy rain clouds can disperse to reveal bright sunshine within minutes, only to return shortly after.

Summer Season and Warm Months

Summer in Galway is cool and refreshing. Average daytime temperatures range between 17°C and 19°C (63-66°F), and they very rarely exceed 23°C (73°F). This is the most vibrant time in the city due to numerous festivals, yet visitors are always equipped with light rain gear even in the middle of July.

Winter Season and Precipitation

Winter in Galway is not freezing but is very wet, stormy, and grey. Daytime temperatures average around 8°C (46°F), with nighttime lows near 3°C (37°F). The city is exposed to powerful Atlantic storms that bring strong winds and heavy rainfall. Due to the sea's influence, snow accumulation is rare.

Transition Seasons and Special Phenomena

Spring and autumn are seasons of wild beauty. Spring is characterized by brisk winds but also relatively clearer days, while autumn brings the famous combination of "sun and showers" that creates spectacular rainbows over Galway Bay. The choppy sea and Atlantic mists add a dramatic atmosphere to the city.

 

Weather in Galway by Month

January

A stormy, wet, and cold month. Temperatures of 8°C (46°F) during the day and 3°C (37°F) at night. Ocean winds are very strong and skies are mostly grey.

February

Weather similar to January (about 8°C/46°F daytime). Frequent rains and sea mists are a common sight.

March

Start of spring. Days lengthen and the temperature rises to about 10°C (50°F). A volatile month where extreme weather changes can occur within hours.

April

Temperatures climb to about 12°C (54°F). Relatively one of the drier months (though it still rains), with more moments of sunshine.

May

A very pleasant month to visit with blooms and vivid green landscapes, averaging 15°C (59°F) during the day. Daylight hours lengthen significantly.

June

Summer begins with about 17°C (63°F) daytime. Comfortable weather but always expect rain. The sun sets very late.

July

One of the warmest months (about 19°C/66°F daytime). The city's atmosphere is at its peak due to festivals, despite frequent rain showers.

August

Similar to July with about 19°C (66°F) daytime. A relatively humid month with light breezes from the bay.

September

Autumn begins with temperatures of 17°C (63°F) during the day. The air is pleasant but rainfall begins to increase again.

October

A wet and stormy month with 13°C (55°F) daytime. Atlantic winds strengthen and the landscape changes to autumn hues.

November

Temperatures drop to 10°C (50°F) during the day. Very grey days with almost persistent rain.

December

Winter returns with 8°C (46°F) daytime. The warm atmosphere in Galway's pubs is the ideal refuge from the storms outside.

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