Comber climate — normals and trends
Comber (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 932 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 August (14.5 °C on average) and the coldest is January (5.6 °C). Rainfall peaks in October.
Comber averages 4 frost days, 0 hot days (≥ 30 °C) and 170 rainy days per year.
Comber has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 1 per year over the period.
The hottest day of the period reached 23.6 °C (on 2 July 1941) and the coldest -5.5 °C (on 21 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
ComberNorthern Ireland
- coords
- 54.55°, -5.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
11.7°C
Average daily low
7.9°C
Annual rainfall
932mm
Sunshine / day
7.3h
Mean relative humidity
82%
Average peak wind
25.4km/h
Seasonal range
8.9°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
11.2 cm
Average feels-like high
8.6 °C
Average feels-like low
4.2 °C
Average peak gust
42.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
23.6 °C
2 July 1941
Coldest day
-5.5 °C
21 December 2010
Wettest day
57 mm
2 October 1981
Windiest day
69.6 km/h
13 January 1965
Strongest gust
122.0 km/h
27 December 2013
Hottest feels-like
25.1 °C
17 July 2021
Coldest feels-like
-11.4 °C
13 January 1987
Snowiest day
20.8 cm
22 March 2013
Sunniest day
16.9 h
20 June 2025
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 | 7.4 °C | +0.1 °C | 58 mm | -29 mm |
| Feb | 8.3 °C | +1.0 °C | 56 mm | -12 mm |
| Mar | 10.3 °C | +1.8 °C | 22 mm | -46 mm |
| Apr | 12.4 °C | +2.2 °C | 76 mm | +14 mm |
| May | 14.9 °C | +2.3 °C | 51 mm | -17 mm |
| Jun | 16.3 °C | +1.2 °C | 122 mm | +55 mm |
| Jul | 17.9 °C | +1.3 °C | 92 mm | +15 mm |
| Aug | 18.1 °C | +1.4 °C | 51 mm | -31 mm |
| Sep | 15.6 °C | +0.3 °C | 124 mm | +43 mm |
| Oct | 13.1 °C | +0.3 °C | 115 mm | +22 mm |
| Nov | 10.6 °C | +0.8 °C | 137 mm | +49 mm |
| Dec | 9.2 °C | +1.0 °C | 112 mm | +21 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 Comber?
Comber has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 932 mm of precipitation per year.
What is the hottest day ever recorded in Comber?
The hottest day measured in Comber between 1940 and 2025 was 2 July 1941, reaching 23.6 °C.
What is the coldest day in Comber?
The coldest day measured in Comber between 1940 and 2025 was 21 December 2010, at -5.5 °C.
Does it snow in Comber?
Yes. Comber gets on average 11.2 cm of snow per year and has around 4 frost days.
Has the climate of Comber warmed?
Yes: Comber warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Comber?
The wettest day measured in Comber between 1940 and 2025 was 2 October 1981, with 57 mm of rain in 24 hours.
What was the windiest day in Comber?
The windiest day measured in Comber between 1940 and 2025 was 13 January 1965, with winds reaching 69.6 km/h.
What is the warmest month in Comber?
The warmest month in Comber is August (14.5 °C on average); the coldest is January (5.6 °C).
How much does it rain in Comber?
Comber receives on average 932 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Comber?
Comber gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Comber?
The heaviest 24-hour snowfall measured in Comber between 1940 and 2025 was 22 March 2013, with 20.8 cm.
Are there tropical nights in Comber?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Comber.
What was the most extreme apparent temperature in Comber?
In Comber, between 1940 and 2025, the highest apparent temperature reached 25.1 °C on 17 July 2021, and the lowest was -11.4 °C on 13 January 1987.
Compare Comber with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Comber