Navan hourly weather forecast

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

22 May 2026, Friday
+14°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
13.7
75%
1012
01:00
+15°C
15.1
73%
1012
02:00
+15°C
18.7
77%
1011
03:00
+14°C
16.9
83%
1012
04:00
+14°C
14
86%
1011
05:00
+14°C
14.8
87%
1011
06:00
+14°C
12.6
85%
1012
07:00
+14°C
15.1
85%
1012
08:00
+14°C
16.6
85%
1012
09:00
+15°C
13
84%
1012
10:00
+16°C
15.8
72%
1013
11:00
+17°C
15.5
66%
1013
12:00
+18°C
15.8
61%
1013
13:00
+17°C
14
69%
1013
14:00
+18°C
17.3
66%
1014
15:00
+16°C
18
82%
1014
16:00
+17°C
16.6
73%
1013
17:00
+18°C
18.7
66%
1013
18:00
+17°C
14
70%
1012
19:00
+17°C
15.5
67%
1013
20:00
+17°C
15.8
69%
1013
21:00
+16°C
15.5
71%
1013
22:00
+15°C
15.8
75%
1014
23:00
+15°C
14.8
79%
1014
23 May 2026, Saturday
+9°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
11.5
85%
1015
01:00
+13°C
12.6
87%
1015
02:00
+12°C
7.9
90%
1016
03:00
+11°C
9
90%
1016
04:00
+11°C
11.5
91%
1016
05:00
+10°C
8.6
93%
1017
06:00
+9°C
7.6
95%
1017
07:00
+11°C
11.5
89%
1018
08:00
+13°C
15.1
81%
1018
09:00
+14°C
14.4
77%
1019
10:00
+15°C
14.8
71%
1019
11:00
+16°C
14.4
66%
1020
12:00
+17°C
14
59%
1020
13:00
+18°C
15.1
52%
1020
14:00
+19°C
15.5
46%
1020
15:00
+20°C
15.5
45%
1020
16:00
+20°C
14.8
46%
1020
17:00
+20°C
14
48%
1020
18:00
+20°C
13
48%
1020
19:00
+20°C
12.2
50%
1020
20:00
+19°C
10.4
55%
1020
21:00
+17°C
8.6
64%
1020
22:00
+14°C
5.4
76%
1021
23:00
+14°C
8.6
79%
1021
24 May 2026, Sunday
+10°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+13°C
9.4
83%
1021
01:00
+13°C
10.1
86%
1021
02:00
+13°C
10.4
85%
1021
03:00
+12°C
10.4
85%
1021
04:00
+12°C
9.4
86%
1021
05:00
+11°C
9.4
90%
1021
06:00
+10°C
10.1
90%
1022
07:00
+11°C
10.8
86%
1022
08:00
+13°C
12.2
80%
1022
09:00
+15°C
12.2
75%
1022
10:00
+16°C
11.9
72%
1023
11:00
+18°C
13.3
66%
1023
12:00
+19°C
13.7
62%
1023
13:00
+20°C
13.7
58%
1022
14:00
+20°C
13.7
56%
1022
15:00
+21°C
14.6
54%
1022
16:00
+21°C
15.6
54%
1022
17:00
+21°C
15.5
56%
1022
18:00
+21°C
14
56%
1022
19:00
+20°C
13.3
57%
1022
20:00
+19°C
11.5
67%
1022
21:00
+16°C
9.7
77%
1023
22:00
+14°C
8.6
85%
1023
23:00
+13°C
7.9
90%
1023
25 May 2026, Monday
+10°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
7.6
93%
1023
01:00
+11°C
7.6
95%
1024
02:00
+11°C
7.6
97%
1024
03:00
+10°C
7.6
98%
1024
04:00
+10°C
7.9
98%
1024
05:00
+10°C
8.3
98%
1024
06:00
+11°C
8.3
98%
1024
07:00
+11°C
8.6
97%
1025
08:00
+12°C
9
94%
1025
09:00
+14°C
9.7
90%
1026
10:00
+15°C
10.1
86%
1026
11:00
+16°C
10.4
82%
1026
12:00
+17°C
10.8
78%
1026
13:00
+18°C
10.8
74%
1026
14:00
+19°C
10.8
71%
1026
15:00
+20°C
10.4
69%
1026
16:00
+20°C
10.1
68%
1026
17:00
+20°C
9.4
66%
1026
18:00
+20°C
8.6
65%
1026
19:00
+20°C
7.6
66%
1026
20:00
+19°C
6.1
71%
1026
21:00
+18°C
5
78%
1027
22:00
+17°C
4.3
84%
1027
23:00
+15°C
5.4
87%
1027
26 May 2026, Tuesday
+11°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
7.2
89%
1027
01:00
+12°C
8.6
89%
1028
02:00
+12°C
9.7
85%
1028
03:00
+11°C
10.8
78%
1028
04:00
+11°C
11.2
74%
1028
05:00
+11°C
10.8
76%
1028
06:00
+11°C
9.7
80%
1028
07:00
+12°C
9.4
82%
1028
08:00
+13°C
10.4
78%
1029
09:00
+15°C
12.6
71%
1029
10:00
+16°C
14
65%
1029
11:00
+17°C
14.8
62%
1029
12:00
+18°C
15.1
60%
1029
13:00
+18°C
15.5
59%
1029
14:00
+19°C
15.5
58%
1029
15:00
+19°C
15.5
57%
1028
16:00
+19°C
15.1
57%
1028
17:00
+19°C
14.8
56%
1028
18:00
+18°C
14.4
55%
1028
19:00
+17°C
13.7
56%
1027
20:00
+16°C
12.6
60%
1027
21:00
+14°C
11.2
65%
1027
22:00
+12°C
10.1
70%
1027
23:00
+12°C
10.1
74%
1027


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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