Mullingar climate — normals and trends
Mullingar (Ireland) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 866 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 (4.9 °C). Rainfall peaks in December.
Mullingar averages 24 frost days, 0 hot days (≥ 30 °C) and 158 rainy days per year.
Mullingar has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The number of frost days there went from about 32 to 16 per year over the period.
The hottest day of the period reached 29.7 °C (on 12 July 2025) and the coldest -13.1 °C (on 12 January 1982).
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
MullingarLeinster
- coords
- 53.52°, -7.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
12.6°C
Average daily low
6.9°C
Annual rainfall
866mm
Sunshine / day
6.8h
Mean relative humidity
82%
Average peak wind
20.2km/h
Seasonal range
10.4°C
Frost days (< 0 °C)
24 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
12.3 cm
Average feels-like high
10.0 °C
Average feels-like low
3.9 °C
Average peak gust
42.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.14 · p = < 0.001
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
-13.1 °C
12 January 1982
Wettest day
54 mm
25 August 1986
Windiest day
67.2 km/h
16 September 1961
Strongest gust
138.2 km/h
24 December 1997
Hottest feels-like
32.8 °C
29 July 1948
Coldest feels-like
-17.8 °C
12 January 1982
Snowiest day
29.8 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 | 7.0 °C | -0.1 °C | 66 mm | -10 mm |
| Feb | 8.7 °C | +1.0 °C | 71 mm | +10 mm |
| Mar | 11.5 °C | +1.9 °C | 23 mm | -41 mm |
| Apr | 14.7 °C | +2.9 °C | 94 mm | +33 mm |
| May | 17.1 °C | +2.4 °C | 49 mm | -23 mm |
| Jun | 18.4 °C | +1.1 °C | 72 mm | +3 mm |
| Jul | 20.1 °C | +1.5 °C | 70 mm | -2 mm |
| Aug | 19.6 °C | +1.3 °C | 45 mm | -35 mm |
| Sep | 15.9 °C | -0.3 °C | 96 mm | +22 mm |
| Oct | 13.2 °C | +0.1 °C | 115 mm | +35 mm |
| Nov | 10.5 °C | +1.0 °C | 115 mm | +40 mm |
| Dec | 9.0 °C | +1.2 °C | 87 mm | +4 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 Mullingar?
Mullingar has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 866 mm of precipitation per year.
What is the hottest day ever recorded in Mullingar?
The hottest day measured in Mullingar between 1940 and 2025 was 12 July 2025, reaching 29.7 °C.
What is the coldest day in Mullingar?
The coldest day measured in Mullingar between 1940 and 2025 was 12 January 1982, at -13.1 °C.
Does it snow in Mullingar?
Yes. Mullingar gets on average 12.3 cm of snow per year and has around 24 frost days.
Has the climate of Mullingar warmed?
Yes: Mullingar warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mullingar?
The wettest day measured in Mullingar between 1940 and 2025 was 25 August 1986, with 54 mm of rain in 24 hours.
What was the windiest day in Mullingar?
The windiest day measured in Mullingar between 1940 and 2025 was 16 September 1961, with winds reaching 67.2 km/h.
What is the warmest month in Mullingar?
The warmest month in Mullingar is July (15.3 °C on average); the coldest is January (4.9 °C).
How much does it rain in Mullingar?
Mullingar receives on average 866 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Mullingar?
Mullingar gets on average 6.8 hours of sunshine per day, roughly 2,482 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mullingar?
The heaviest 24-hour snowfall measured in Mullingar between 1940 and 2025 was 8 December 1954, with 29.8 cm.
Are there tropical nights in Mullingar?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mullingar.
What was the most extreme apparent temperature in Mullingar?
In Mullingar, between 1940 and 2025, the highest apparent temperature reached 32.8 °C on 29 July 1948, and the lowest was -17.8 °C on 12 January 1982.
Compare Mullingar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mullingar