Athlone climate — normals and trends
Athlone (Ireland) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.8 °C and it receives 920 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (15.3 °C on average) and the coldest is January (5.0 °C). Rainfall peaks in December.
Athlone averages 22 frost days, 0 hot days (≥ 30 °C) and 163 rainy days per year.
Athlone has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.
The number of frost days there went from about 29 to 15 per year over the period.
The hottest day of the period reached 29.7 °C (on 12 July 2025) and the coldest -12.4 °C (on 25 December 2010).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
AthloneLeinster
- coords
- 53.42°, -7.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.8°C
Average daily high
12.7°C
Average daily low
7.1°C
Annual rainfall
920mm
Sunshine / day
6.7h
Mean relative humidity
83%
Average peak wind
20.1km/h
Seasonal range
10.3°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
163 d/yr
Annual snowfall
9.5 cm
Average feels-like high
10.1 °C
Average feels-like low
4.1 °C
Average peak gust
41.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.5 °C
since 1940
+0.1 °C per decade · r² = 0.09 · p = 0.004
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
29.7 °C
12 July 2025
Coldest day
-12.4 °C
25 December 2010
Wettest day
52 mm
25 August 1986
Windiest day
71.0 km/h
16 September 1961
Strongest gust
134.3 km/h
24 January 2025
Hottest feels-like
33.1 °C
13 July 1983
Coldest feels-like
-16.4 °C
25 December 2010
Snowiest day
16.2 cm
8 December 1954
Sunniest day
16.8 h
19 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.2 °C | 0.0 °C | 62 mm | -19 mm |
| Feb | 8.8 °C | +1.0 °C | 96 mm | +30 mm |
| Mar | 11.7 °C | +2.0 °C | 28 mm | -41 mm |
| Apr | 15.0 °C | +3.0 °C | 92 mm | +27 mm |
| May | 17.6 °C | +2.8 °C | 47 mm | -32 mm |
| Jun | 18.2 °C | +0.9 °C | 76 mm | +3 mm |
| Jul | 20.0 °C | +1.5 °C | 70 mm | -5 mm |
| Aug | 19.6 °C | +1.3 °C | 52 mm | -34 mm |
| Sep | 15.8 °C | -0.5 °C | 116 mm | +38 mm |
| Oct | 13.2 °C | +0.1 °C | 122 mm | +37 mm |
| Nov | 10.4 °C | +0.8 °C | 115 mm | +37 mm |
| Dec | 8.9 °C | +1.0 °C | 95 mm | +8 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Athlone?
Athlone has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.8 °C and it receives 920 mm of precipitation per year.
What is the hottest day ever recorded in Athlone?
The hottest day measured in Athlone between 1940 and 2025 was 12 July 2025, reaching 29.7 °C.
What is the coldest day in Athlone?
The coldest day measured in Athlone between 1940 and 2025 was 25 December 2010, at -12.4 °C.
Does it snow in Athlone?
Yes. Athlone gets on average 9.5 cm of snow per year and has around 22 frost days.
Has the climate of Athlone warmed?
Yes: Athlone warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Athlone?
The wettest day measured in Athlone between 1940 and 2025 was 25 August 1986, with 52 mm of rain in 24 hours.
What was the windiest day in Athlone?
The windiest day measured in Athlone between 1940 and 2025 was 16 September 1961, with winds reaching 71.0 km/h.
What is the warmest month in Athlone?
The warmest month in Athlone is July (15.3 °C on average); the coldest is January (5.0 °C).
How much does it rain in Athlone?
Athlone receives on average 920 mm of precipitation per year, spread over about 163 rainy days.
Is it sunny in Athlone?
Athlone gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Athlone?
The heaviest 24-hour snowfall measured in Athlone between 1940 and 2025 was 8 December 1954, with 16.2 cm.
Are there tropical nights in Athlone?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Athlone.
What was the most extreme apparent temperature in Athlone?
In Athlone, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 13 July 1983, and the lowest was -16.4 °C on 25 December 2010.
Compare Athlone with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Athlone