Ennis climate — normals and trends
Ennis (Ireland) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.1 °C and it receives 1,004 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 (15.2 °C on average) and the coldest is January (5.5 °C). Rainfall peaks in December.
Ennis averages 21 frost days, 0 hot days (≥ 30 °C) and 171 rainy days per year.
Ennis has warmed by +0.4 °C between 1940 and 2025, or +0.04 °C per decade. This trend is statistically significant.
The number of frost days there went from about 26 to 16 per year over the period.
The hottest day of the period reached 30.4 °C (on 13 July 1983) and the coldest -9.0 °C (on 9 January 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
EnnisMunster
- coords
- 52.84°, -8.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.1°C
Average daily high
13.0°C
Average daily low
7.2°C
Annual rainfall
1,004mm
Sunshine / day
6.9h
Mean relative humidity
83%
Average peak wind
20.5km/h
Seasonal range
9.7°C
Frost days (< 0 °C)
21 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
6.4 cm
Average feels-like high
10.4 °C
Average feels-like low
4.4 °C
Average peak gust
43.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.4 °C
since 1940
0.0 °C per decade · r² = 0.05 · p = 0.049
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
30.4 °C
13 July 1983
Coldest day
-9.0 °C
9 January 2010
Wettest day
55 mm
25 August 1986
Windiest day
71.6 km/h
24 December 1997
Strongest gust
139.7 km/h
24 January 2025
Hottest feels-like
34.4 °C
13 July 1983
Coldest feels-like
-13.3 °C
9 January 2010
Snowiest day
12.0 cm
8 December 1954
Sunniest day
16.4 h
28 June 2018
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 | 7.8 °C | -0.1 °C | 98 mm | +5 mm |
| Feb | 9.6 °C | +1.2 °C | 120 mm | +42 mm |
| Mar | 12.0 °C | +1.9 °C | 40 mm | -39 mm |
| Apr | 15.5 °C | +3.2 °C | 78 mm | +10 mm |
| May | 18.3 °C | +3.4 °C | 68 mm | -9 mm |
| Jun | 18.1 °C | +0.9 °C | 84 mm | +13 mm |
| Jul | 19.3 °C | +0.9 °C | 91 mm | +16 mm |
| Aug | 19.8 °C | +1.6 °C | 66 mm | -22 mm |
| Sep | 15.9 °C | -0.5 °C | 141 mm | +55 mm |
| Oct | 13.6 °C | +0.1 °C | 115 mm | +20 mm |
| Nov | 11.1 °C | +0.9 °C | 139 mm | +47 mm |
| Dec | 9.1 °C | +0.5 °C | 104 mm | +0 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 Ennis?
Ennis has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.1 °C and it receives 1,004 mm of precipitation per year.
What is the hottest day ever recorded in Ennis?
The hottest day measured in Ennis between 1940 and 2025 was 13 July 1983, reaching 30.4 °C.
What is the coldest day in Ennis?
The coldest day measured in Ennis between 1940 and 2025 was 9 January 2010, at -9.0 °C.
Does it snow in Ennis?
Yes. Ennis gets on average 6.4 cm of snow per year and has around 21 frost days.
Has the climate of Ennis warmed?
Yes: Ennis warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ennis?
The wettest day measured in Ennis between 1940 and 2025 was 25 August 1986, with 55 mm of rain in 24 hours.
What was the windiest day in Ennis?
The windiest day measured in Ennis between 1940 and 2025 was 24 December 1997, with winds reaching 71.6 km/h.
What is the warmest month in Ennis?
The warmest month in Ennis is July (15.2 °C on average); the coldest is January (5.5 °C).
How much does it rain in Ennis?
Ennis receives on average 1,004 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Ennis?
Ennis gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ennis?
The heaviest 24-hour snowfall measured in Ennis between 1940 and 2025 was 8 December 1954, with 12.0 cm.
Are there tropical nights in Ennis?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ennis.
What was the most extreme apparent temperature in Ennis?
In Ennis, between 1940 and 2025, the highest apparent temperature reached 34.4 °C on 13 July 1983, and the lowest was -13.3 °C on 9 January 2010.
Compare Ennis with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ennis