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Letterkenny weather by month
Check out Letterkenny weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Letterkenny (°F)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 45 |
45 |
46 |
52 |
55 |
61 |
63 |
63 |
59 |
54 |
48 |
45 |
Min temperature (night-time) | 34 |
34 |
36 |
37 |
41 |
46 |
50 |
50 |
46 |
45 |
37 |
36 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Letterkenny
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 8 |
10 |
12 |
14 |
16 |
17 |
17 |
15 |
13 |
10 |
8 |
7 |
UV Index (Maximum) | 0 |
1 |
2 |
3 |
5 |
6 |
6 |
5 |
3 |
2 |
1 |
0 |
Rainfall in Letterkenny
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 24 |
19 |
22 |
18 |
19 |
19 |
20 |
21 |
22 |
23 |
23 |
23 |
Average monthly rainfall (inches) | 5.4 |
3.8 |
3.9 |
2.9 |
3.2 |
3.1 |
3.4 |
3.9 |
4.7 |
5.2 |
5.4 |
5.6 |
More about Letterkenny
Letterkenny by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Ireland
The climate guide for Ireland (Letterkenny) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Letterkenny?
Letterkenny has a temperate climate with warm summers and some rainfall in all months.
Metric (°C) | Imperial (°F)
Tropical storm risk: Letterkenny hurricane season
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Compare Letterkenny with the USA
Below the Letterkenny chart shows average maximum daytime temperature for Letterkenny, County Donegal, Ireland and the USA (Washington).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
Compare more Letterkenny weather >>
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