Navan monthly weather forecast

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

17 July 2026, Friday
+15°C / +26°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
3.6
76%
1013
01:00
+17°C
5
79%
1014
02:00
+17°C
6.8
81%
1013
03:00
+16°C
7.6
84%
1013
04:00
+16°C
6.8
84%
1013
05:00
+16°C
9.7
82%
1013
06:00
+15°C
8.6
84%
1013
07:00
+16°C
7.6
80%
1013
08:00
+17°C
8.6
78%
1013
09:00
+18°C
11.2
76%
1013
10:00
+20°C
10.4
69%
1013
11:00
+21°C
9.4
63%
1013
12:00
+23°C
9.4
56%
1013
13:00
+24°C
10.4
54%
1013
14:00
+25°C
11.5
50%
1013
15:00
+26°C
13
47%
1013
16:00
+26°C
13
46%
1013
17:00
+26°C
10.4
47%
1013
18:00
+25°C
10.4
58%
1013
19:00
+23°C
9
61%
1013
20:00
+22°C
7.6
62%
1013
21:00
+21°C
9.7
63%
1014
22:00
+19°C
13
65%
1015
23:00
+18°C
10.1
71%
1015
18 July 2026, Saturday
+13°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
9.7
75%
1015
01:00
+15°C
10.1
76%
1015
02:00
+14°C
10.1
78%
1015
03:00
+14°C
10.4
81%
1015
04:00
+13°C
12.6
81%
1015
05:00
+13°C
8.6
83%
1015
06:00
+13°C
9.4
81%
1015
07:00
+13°C
10.4
79%
1015
08:00
+15°C
16.2
71%
1016
09:00
+16°C
17.3
68%
1016
10:00
+17°C
17.3
66%
1016
11:00
+18°C
15.8
60%
1016
12:00
+20°C
16.6
53%
1016
13:00
+20°C
17.3
49%
1016
14:00
+21°C
18.8
47%
1016
15:00
+21°C
19.6
49%
1016
16:00
+21°C
19.7
49%
1016
17:00
+21°C
20.2
51%
1016
18:00
+20°C
20.5
54%
1016
19:00
+20°C
20.5
56%
1016
20:00
+18°C
17.3
63%
1017
21:00
+16°C
14.4
68%
1017
22:00
+15°C
12.6
73%
1018
23:00
+14°C
12.6
76%
1018
19 July 2026, Sunday
+11°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+13°C
13.7
79%
1018
01:00
+13°C
14
82%
1019
02:00
+12°C
13.7
85%
1019
03:00
+12°C
13
87%
1018
04:00
+11°C
12.2
89%
1018
05:00
+11°C
11.5
90%
1018
06:00
+11°C
10.8
89%
1019
07:00
+12°C
10.4
87%
1019
08:00
+13°C
10.8
83%
1019
09:00
+15°C
11.2
77%
1020
10:00
+16°C
11.5
71%
1020
11:00
+18°C
10.8
66%
1020
12:00
+19°C
9.7
61%
1020
13:00
+20°C
9
57%
1020
14:00
+21°C
9
52%
1020
15:00
+22°C
9
47%
1020
16:00
+22°C
9.4
45%
1020
17:00
+22°C
10.1
46%
1020
18:00
+22°C
11.5
50%
1020
19:00
+21°C
11.9
55%
1020
20:00
+19°C
11.2
62%
1021
21:00
+17°C
9.7
70%
1021
22:00
+15°C
8.6
77%
1022
23:00
+14°C
9
81%
1022
20 July 2026, Monday
+10°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+13°C
9.7
84%
1022
01:00
+13°C
10.4
86%
1022
02:00
+12°C
10.4
89%
1022
03:00
+11°C
10.4
91%
1022
04:00
+10°C
10.4
92%
1022
05:00
+10°C
10.4
93%
1023
06:00
+10°C
10.1
92%
1023
07:00
+11°C
10.1
90%
1023
08:00
+12°C
10.4
85%
1023
09:00
+14°C
11.2
78%
1024
10:00
+16°C
11.5
72%
1024
11:00
+17°C
11.5
67%
1024
12:00
+18°C
11.2
62%
1024
13:00
+20°C
11.2
59%
1024
14:00
+21°C
11.2
57%
1024
15:00
+22°C
11.5
55%
1023
16:00
+22°C
11.9
55%
1023
17:00
+22°C
13.3
55%
1023
18:00
+22°C
14.8
56%
1023
19:00
+21°C
15.5
59%
1023
20:00
+20°C
14.8
64%
1024
21:00
+19°C
13
70%
1024
22:00
+17°C
11.5
76%
1024
23:00
+16°C
11.2
81%
1025
21 July 2026, Tuesday
+12°C / +24°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
11.2
86%
1025
01:00
+13°C
11.2
90%
1025
02:00
+13°C
11.5
92%
1025
03:00
+12°C
11.5
92%
1025
04:00
+12°C
11.9
92%
1025
05:00
+12°C
11.9
91%
1025
06:00
+12°C
11.9
89%
1025
07:00
+12°C
11.5
87%
1025
08:00
+13°C
11.2
86%
1026
09:00
+13°C
10.8
85%
1026
10:00
+14°C
10.4
83%
1026
11:00
+16°C
10.1
78%
1026
12:00
+18°C
10.1
73%
1026
13:00
+20°C
10.1
67%
1026
14:00
+21°C
10.4
62%
1026
15:00
+22°C
11.2
56%
1025
16:00
+23°C
11.5
53%
1025
17:00
+24°C
11.5
52%
1025
18:00
+23°C
11.2
53%
1025
19:00
+23°C
11.2
56%
1025
20:00
+21°C
11.5
62%
1025
21:00
+19°C
11.9
70%
1025
22:00
+18°C
11.9
77%
1025
23:00
+16°C
10.1
81%
1025
22 July 2026, Wednesday
+12°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
10.1
87%
1025
01:00
+13°C
9.7
91%
1025
02:00
+12°C
9.7
93%
1025
03:00
+12°C
9.4
93%
1025
04:00
+12°C
9.4
92%
1025
05:00
+12°C
9
90%
1025
06:00
+12°C
9.4
88%
1025
07:00
+13°C
9.4
86%
1024
08:00
+13°C
9.7
83%
1024
09:00
+14°C
10.4
80%
1024
10:00
+15°C
11.2
76%
1024
11:00
+16°C
11.9
72%
1024
12:00
+17°C
12.2
69%
1024
13:00
+18°C
12.6
66%
1024
14:00
+19°C
12.6
64%
1023
15:00
+19°C
12.2
62%
1023
16:00
+20°C
11.5
60%
1023
17:00
+20°C
11.2
59%
1022
18:00
+20°C
10.4
59%
1022
19:00
+20°C
10.1
60%
1022
20:00
+20°C
9.7
63%
1021
21:00
+19°C
9.4
67%
1021
22:00
+18°C
9
72%
1021
23:00
+17°C
10.4
75%
1021
23 July 2026, Thursday
+14°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
11.3
78%
1021
01:00
+15°C
12
79%
1020
02:00
+14°C
12.7
79%
1020
03:00
+14°C
12.1
80%
1020
04:00
+14°C
11.5
80%
1020
05:00
+14°C
11.1
80%
1019
06:00
+14°C
10.7
78%
1019
07:00
+14°C
10.2
76%
1019
08:00
+15°C
9.7
73%
1018
09:00
+15°C
9.4
69%
1018
10:00
+16°C
9
65%
1018
11:00
+18°C
8.7
61%
1018
12:00
+18°C
8.6
57%
1018
13:00
+19°C
8.6
55%
1017
14:00
+20°C
8.8
54%
1017
15:00
+20°C
9.2
54%
1017
16:00
+20°C
9.9
54%
1016
17:00
+21°C
10.8
55%
1015
18:00
+21°C
11.3
56%
1015
19:00
+20°C
11.6
58%
1015
20:00
+20°C
11.2
60%
1014
21:00
+19°C
10.6
64%
1014
22:00
+18°C
9.8
68%
1014
23:00
+16°C
9.4
72%
1014
24 July 2026, Friday
+13°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
9.2
76%
1014
01:00
+15°C
8.7
80%
1014
02:00
+14°C
7.8
83%
1013
03:00
+14°C
6.8
85%
1013
04:00
+13°C
6.5
87%
1013
05:00
+13°C
7.4
89%
1012
06:00
+13°C
9
89%
1012
07:00
+13°C
10.2
89%
1012
08:00
+14°C
10.9
87%
1012
09:00
+14°C
11.4
84%
1011
10:00
+16°C
12
80%
1011
11:00
+17°C
12.6
76%
1011
12:00
+18°C
13.3
73%
1011
13:00
+19°C
13.9
70%
1011
14:00
+19°C
14.4
67%
1010
15:00
+20°C
14.8
63%
1010
16:00
+21°C
15.2
60%
1009
17:00
+22°C
15.5
58%
1008
18:00
+22°C
15.2
57%
1008
19:00
+22°C
14.5
56%
1008
20:00
+21°C
12.7
58%
1007
21:00
+20°C
10.3
61%
1007
22:00
+19°C
7.9
66%
1007
23:00
+17°C
6.6
72%
1007
25 July 2026, Saturday
+13°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
6.6
77%
1007
01:00
+15°C
7.1
81%
1007
02:00
+14°C
7.1
84%
1007
03:00
+14°C
6.4
87%
1007
04:00
+13°C
5.8
89%
1006
05:00
+13°C
5.1
91%
1006
06:00
+13°C
5.2
91%
1005
07:00
+13°C
5.8
90%
1005
08:00
+14°C
6.7
87%
1005
09:00
+15°C
7.8
81%
1004
10:00
+16°C
9.6
76%
1004
11:00
+17°C
11.2
70%
1004
12:00
+19°C
12.7
66%
1003
13:00
+19°C
14.1
63%
1003
14:00
+20°C
15.1
61%
1002
15:00
+21°C
15.9
59%
1002
16:00
+21°C
16.6
58%
1001
17:00
+21°C
17
58%
1001
18:00
+21°C
17.5
58%
1000
19:00
+21°C
17.9
58%
1000
20:00
+21°C
18.2
60%
999
21:00
+20°C
18.4
63%
999
22:00
+19°C
18.5
67%
999
23:00
+18°C
18.8
71%
998
26 July 2026, Sunday
+15°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
18.7
75%
998
01:00
+16°C
18.7
79%
998
02:00
+16°C
18.5
83%
998
03:00
+16°C
18.2
88%
997
04:00
+16°C
17.7
92%
997
05:00
+16°C
17.1
96%
997
06:00
+16°C
16.5
97%
996
07:00
+16°C
15.7
97%
996
08:00
+17°C
14.8
93%
997
09:00
+17°C
14
85%
997
10:00
+18°C
13.8
77%
998
11:00
+18°C
14
70%
999
12:00
+19°C
14.8
64%
999
13:00
+19°C
15.4
60%
1000
14:00
+19°C
15.9
57%
1001
15:00
+19°C
16.2
56%
1001
16:00
+19°C
16.4
55%
1002
17:00
+19°C
16.4
55%
1002
18:00
+19°C
16.1
56%
1003
19:00
+18°C
15.5
57%
1003
20:00
+18°C
14.4
59%
1003
21:00
+17°C
12.8
64%
1004
22:00
+16°C
10.9
69%
1004
23:00
+15°C
8.9
75%
1004
27 July 2026, Monday
+13°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
7
80%
1005
01:00
+14°C
5.6
84%
1005
02:00
+13°C
4.4
87%
1005
03:00
+13°C
3.8
89%
1005
04:00
+13°C
4
89%
1005
05:00
+13°C
4.7
90%
1005
06:00
+13°C
5.9
89%
1005
07:00
+14°C
6.9
87%
1005
08:00
+14°C
8
84%
1006
09:00
+15°C
8.9
80%
1006
10:00
+15°C
9.9
75%
1006
11:00
+16°C
10.5
70%
1006
12:00
+17°C
11
66%
1006
13:00
+17°C
11.2
64%
1006
14:00
+18°C
10.9
63%
1006
15:00
+18°C
10.4
63%
1006
16:00
+19°C
9.7
64%
1006
17:00
+19°C
9.5
65%
1006
18:00
+19°C
9.7
66%
1006
19:00
+19°C
10.3
68%
1006
20:00
+19°C
11.5
70%
1006
21:00
+18°C
13.1
73%
1006
22:00
+18°C
14.9
76%
1007
23:00
+17°C
16.5
80%
1007
28 July 2026, Tuesday
+13°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
17.9
83%
1007
01:00
+16°C
18.8
85%
1007
02:00
+15°C
19
87%
1008
03:00
+15°C
18.6
89%
1008
04:00
+14°C
17.8
90%
1008
05:00
+14°C
17.1
90%
1008
06:00
+13°C
16.8
89%
1008
07:00
+14°C
17
87%
1008
08:00
+14°C
18
81%
1008
09:00
+15°C
19.7
74%
1008
10:00
+16°C
21.7
66%
1008
11:00
+18°C
23.7
60%
1008
12:00
+19°C
25.1
55%
1008
13:00
+19°C
25.9
52%
1008
14:00
+20°C
25.9
52%
1008
15:00
+19°C
25.2
53%
1009
16:00
+19°C
24.4
55%
1009
17:00
+19°C
22.9
58%
1009
18:00
+19°C
21.5
61%
1009
19:00
+18°C
20
64%
1009
20:00
+18°C
18.3
68%
1009
21:00
+17°C
16.2
73%
1009
22:00
+17°C
13.9
79%
1009
23:00
+16°C
11.8
85%
1009
29 July 2026, Wednesday
+12°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
9.9
90%
1010
01:00
+15°C
8.7
94%
1010
02:00
+14°C
8.5
97%
1010
03:00
+14°C
8.7
99%
1010
04:00
+13°C
9.5
100%
1010
05:00
+13°C
10.6
100%
1011
06:00
+12°C
11.6
98%
1011
07:00
+12°C
12.5
95%
1011
08:00
+13°C
13.3
89%
1012
09:00
+14°C
14
82%
1012
10:00
+16°C
14.9
74%
1012
11:00
+17°C
15.5
67%
1013
12:00
+18°C
16.4
61%
1013
13:00
+19°C
17.2
57%
1013
14:00
+20°C
18.1
55%
1014
15:00
+20°C
19.3
53%
1014
16:00
+19°C
20.3
53%
1014
17:00
+19°C
21.1
53%
1015
18:00
+19°C
21.4
53%
1015
19:00
+18°C
21.3
54%
1015
20:00
+17°C
20.2
56%
1015
21:00
+16°C
18.4
58%
1016
22:00
+15°C
16.3
62%
1016
23:00
+14°C
14.2
66%
1016


Climate Characteristics of Navan

General Overview

Navan features a maritime temperate climate. Due to its inland location, it experiences slightly more extreme temperatures than coastal cities—warmer days in summer and cooler nights in winter. The city sits at the confluence of the River Boyne and the River Blackwater, contributing to high humidity and frequent mists.

Summer Season and Warm Months

Summer in Navan is pleasant and relatively warm compared to coastal areas. Average daytime temperatures range between 19°C and 21°C (66-70°F). This is an ideal time for visiting nearby archaeological sites, though brief rain showers and palpable humidity due to river proximity should be expected.

Winter Season and Precipitation

Winter in Navan is cool, grey, and tends to be very wet. Daytime temperatures average around 8°C (46°F), while nighttime lows drop to 2°C (36°F) on average. Due to the inland location, frost is more common here than in Dublin, and thick fogs often form over the river valley.

Transition Seasons and Special Phenomena

The transition seasons in Navan are marked by great natural beauty and rapid changes. Spring (March-May) brings fresh blooms to the rural landscape surrounding the city. Autumn colors the Boyne Valley in spectacular shades of gold and brown, bringing an increase in precipitation and winds.

 

Weather in Navan by Month

January

A cold and wet month. Temperatures of 8°C during the day and 2°C at night. Morning mists are common over the river.

February

The weather remains similar to January with a daytime average of about 8°C. Frequent frost days occur in the early morning hours.

March

The beginning of spring. Days lengthen and the temperature rises to about 11°C. This is relatively one of the drier months of the year.

April

Temperatures climb to approximately 13°C during the day. A volatile month where you can experience sun and rain interchangeably.

May

A very pleasant month with blooms everywhere and a daytime average of 16°C. The rural atmosphere around the city is at its best.

June

Summer officially begins with a daytime average of about 19°C. Daylight hours are at their peak and evenings are pleasant and relaxed.

July

One of the warmest months of the year, averaging about 21°C during the day. The weather is very comfortable, but light rain should always be expected.

August

Very similar to July with daytime temperatures around 21°C. It is a relatively humid month due to its proximity to water sources.

September

Autumn begins with an average daytime temperature of 18°C. The air is very pleasant and foliage begins to appear in the valley.

October

A cooler and wetter month with about 14°C during the day. Winds strengthen and the landscape turns gold and orange.

November

Temperatures drop to a daytime average of 11°C. Grey and rainy days become more frequent.

December

Winter returns with about 8°C during the day. The festive atmosphere in the city compensates for the short, cool days.

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