Cookstown climate — normals and trends
Cookstown (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 881 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 (14.7 °C on average) and the coldest is January (4.3 °C). Rainfall peaks in August.
Cookstown averages 29 frost days, 0 hot days (≥ 30 °C) and 175 rainy days per year.
Cookstown has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The number of frost days there went from about 40 to 18 per year over the period.
The hottest day of the period reached 28.1 °C (on 29 June 1995) and the coldest -16.4 °C (on 1 March 1947).
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
CookstownNorthern Ireland
- coords
- 54.64°, -6.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
12.1°C
Average daily low
6.4°C
Annual rainfall
881mm
Sunshine / day
7.1h
Mean relative humidity
83%
Average peak wind
20.3km/h
Seasonal range
10.4°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
175 d/yr
Annual snowfall
20.8 cm
Average feels-like high
9.4 °C
Average feels-like low
3.4 °C
Average peak gust
43.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.25 · 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
28.1 °C
29 June 1995
Coldest day
-16.4 °C
1 March 1947
Wettest day
43 mm
30 March 2010
Windiest day
61.9 km/h
16 September 1961
Strongest gust
130.7 km/h
23 May 2011
Hottest feels-like
31.6 °C
29 July 1948
Coldest feels-like
-21.2 °C
1 March 1947
Snowiest day
20.7 cm
22 March 2013
Sunniest day
17.0 h
19 June 1941
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 | 6.8 °C | +0.3 °C | 43 mm | -33 mm |
| Feb | 8.2 °C | +1.1 °C | 63 mm | +1 mm |
| Mar | 11.2 °C | +2.2 °C | 24 mm | -42 mm |
| Apr | 14.4 °C | +3.1 °C | 84 mm | +19 mm |
| May | 17.0 °C | +2.8 °C | 56 mm | -16 mm |
| Jun | 17.5 °C | +0.8 °C | 109 mm | +37 mm |
| Jul | 19.1 °C | +1.2 °C | 80 mm | +3 mm |
| Aug | 19.4 °C | +1.7 °C | 57 mm | -26 mm |
| Sep | 15.5 °C | -0.2 °C | 100 mm | +25 mm |
| Oct | 12.7 °C | +0.1 °C | 120 mm | +40 mm |
| Nov | 9.9 °C | +0.8 °C | 113 mm | +39 mm |
| Dec | 8.4 °C | +1.2 °C | 84 mm | +6 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 Cookstown?
Cookstown has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 881 mm of precipitation per year.
What is the hottest day ever recorded in Cookstown?
The hottest day measured in Cookstown between 1940 and 2025 was 29 June 1995, reaching 28.1 °C.
What is the coldest day in Cookstown?
The coldest day measured in Cookstown between 1940 and 2025 was 1 March 1947, at -16.4 °C.
Does it snow in Cookstown?
Yes. Cookstown gets on average 20.8 cm of snow per year and has around 29 frost days.
Has the climate of Cookstown warmed?
Yes: Cookstown warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cookstown?
The wettest day measured in Cookstown between 1940 and 2025 was 30 March 2010, with 43 mm of rain in 24 hours.
What was the windiest day in Cookstown?
The windiest day measured in Cookstown between 1940 and 2025 was 16 September 1961, with winds reaching 61.9 km/h.
What is the warmest month in Cookstown?
The warmest month in Cookstown is July (14.7 °C on average); the coldest is January (4.3 °C).
How much does it rain in Cookstown?
Cookstown receives on average 881 mm of precipitation per year, spread over about 175 rainy days.
Is it sunny in Cookstown?
Cookstown gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Cookstown?
The heaviest 24-hour snowfall measured in Cookstown between 1940 and 2025 was 22 March 2013, with 20.7 cm.
Are there tropical nights in Cookstown?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Cookstown.
What was the most extreme apparent temperature in Cookstown?
In Cookstown, between 1940 and 2025, the highest apparent temperature reached 31.6 °C on 29 July 1948, and the lowest was -21.2 °C on 1 March 1947.
Compare Cookstown with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cookstown