Barnard Castle climate — normals and trends
Barnard Castle (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.6 °C and it receives 901 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 (13.9 °C on average) and the coldest is January (2.1 °C). Rainfall peaks in August.
Barnard Castle averages 65 frost days, 0 hot days (≥ 30 °C) and 170 rainy days per year.
Barnard Castle has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 86 to 44 per year over the period.
The hottest day of the period reached 32.5 °C (on 19 July 2022) and the coldest -17.5 °C (on 16 February 1940).
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
Barnard CastleEngland
- coords
- 54.54°, -1.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.6°C
Average daily high
10.5°C
Average daily low
4.7°C
Annual rainfall
901mm
Sunshine / day
6.7h
Mean relative humidity
85%
Average peak wind
21.0km/h
Seasonal range
11.8°C
Frost days (< 0 °C)
65 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
66.8 cm
Average feels-like high
7.4 °C
Average feels-like low
1.4 °C
Average peak gust
44.4 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
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
32.5 °C
19 July 2022
Coldest day
-17.5 °C
16 February 1940
Wettest day
64 mm
10 August 2004
Windiest day
61.7 km/h
8 January 2005
Strongest gust
146.2 km/h
13 January 1984
Hottest feels-like
32.2 °C
19 July 2022
Coldest feels-like
-22.2 °C
16 February 1940
Snowiest day
24.1 cm
24 April 1981
Sunniest day
16.4 h
24 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 | 3.9 °C | -0.3 °C | 78 mm | -3 mm |
| Feb | 5.6 °C | +1.0 °C | 54 mm | -15 mm |
| Mar | 9.7 °C | +2.9 °C | 28 mm | -41 mm |
| Apr | 12.9 °C | +3.3 °C | 14 mm | -53 mm |
| May | 15.2 °C | +2.4 °C | 38 mm | -33 mm |
| Jun | 17.7 °C | +2.1 °C | 75 mm | +2 mm |
| Jul | 19.0 °C | +1.7 °C | 88 mm | +10 mm |
| Aug | 18.9 °C | +2.0 °C | 44 mm | -42 mm |
| Sep | 14.9 °C | +0.3 °C | 121 mm | +49 mm |
| Oct | 11.7 °C | +0.5 °C | 75 mm | -0 mm |
| Nov | 8.3 °C | +1.1 °C | 143 mm | +65 mm |
| Dec | 7.1 °C | +1.9 °C | 107 mm | +24 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 Barnard Castle?
Barnard Castle has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 7.6 °C and it receives 901 mm of precipitation per year.
What is the hottest day ever recorded in Barnard Castle?
The hottest day measured in Barnard Castle between 1940 and 2025 was 19 July 2022, reaching 32.5 °C.
What is the coldest day in Barnard Castle?
The coldest day measured in Barnard Castle between 1940 and 2025 was 16 February 1940, at -17.5 °C.
Does it snow in Barnard Castle?
Yes. Barnard Castle gets on average 66.8 cm of snow per year and has around 65 frost days.
Has the climate of Barnard Castle warmed?
Yes: Barnard Castle warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Barnard Castle?
The wettest day measured in Barnard Castle between 1940 and 2025 was 10 August 2004, with 64 mm of rain in 24 hours.
What was the windiest day in Barnard Castle?
The windiest day measured in Barnard Castle between 1940 and 2025 was 8 January 2005, with winds reaching 61.7 km/h.
What is the warmest month in Barnard Castle?
The warmest month in Barnard Castle is July (13.9 °C on average); the coldest is January (2.1 °C).
How much does it rain in Barnard Castle?
Barnard Castle receives on average 901 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Barnard Castle?
Barnard Castle 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 Barnard Castle?
The heaviest 24-hour snowfall measured in Barnard Castle between 1940 and 2025 was 24 April 1981, with 24.1 cm.
Are there tropical nights in Barnard Castle?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Barnard Castle.
What was the most extreme apparent temperature in Barnard Castle?
In Barnard Castle, between 1940 and 2025, the highest apparent temperature reached 32.2 °C on 19 July 2022, and the lowest was -22.2 °C on 16 February 1940.
Compare Barnard Castle with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Barnard Castle