Cumbernauld climate — normals and trends
Cumbernauld (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 1,029 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 (14.4 °C on average) and the coldest is January (2.9 °C). Rainfall peaks in December.
Cumbernauld averages 56 frost days, 0 hot days (≥ 30 °C) and 174 rainy days per year.
Cumbernauld has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 77 to 35 per year over the period.
The hottest day of the period reached 29.5 °C (on 4 August 1975) and the coldest -22.0 °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
CumbernauldScotland
- coords
- 55.95°, -3.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
11.3°C
Average daily low
5.3°C
Annual rainfall
1,029mm
Sunshine / day
6.8h
Mean relative humidity
83%
Average peak wind
18.7km/h
Seasonal range
11.5°C
Frost days (< 0 °C)
56 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
44.8 cm
Average feels-like high
8.5 °C
Average feels-like low
2.4 °C
Average peak gust
42.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
29.5 °C
4 August 1975
Coldest day
-22.0 °C
1 March 1947
Wettest day
62 mm
7 October 2023
Windiest day
60.6 km/h
15 January 1968
Strongest gust
146.2 km/h
28 January 2002
Hottest feels-like
30.6 °C
28 June 2018
Coldest feels-like
-26.7 °C
1 March 1947
Snowiest day
18.5 cm
25 January 1990
Sunniest day
17.0 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 | 5.6 °C | +0.5 °C | 60 mm | -38 mm |
| Feb | 7.3 °C | +1.5 °C | 78 mm | -2 mm |
| Mar | 11.0 °C | +3.1 °C | 43 mm | -37 mm |
| Apr | 14.0 °C | +3.4 °C | 39 mm | -28 mm |
| May | 17.3 °C | +3.6 °C | 58 mm | -18 mm |
| Jun | 17.2 °C | +1.0 °C | 85 mm | +14 mm |
| Jul | 19.4 °C | +1.8 °C | 81 mm | +0 mm |
| Aug | 19.4 °C | +2.1 °C | 72 mm | -19 mm |
| Sep | 15.7 °C | +0.6 °C | 95 mm | +7 mm |
| Oct | 12.5 °C | +0.7 °C | 115 mm | +13 mm |
| Nov | 9.1 °C | +1.1 °C | 148 mm | +56 mm |
| Dec | 7.9 °C | +2.0 °C | 131 mm | +29 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 Cumbernauld?
Cumbernauld has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 1,029 mm of precipitation per year.
What is the hottest day ever recorded in Cumbernauld?
The hottest day measured in Cumbernauld between 1940 and 2025 was 4 August 1975, reaching 29.5 °C.
What is the coldest day in Cumbernauld?
The coldest day measured in Cumbernauld between 1940 and 2025 was 1 March 1947, at -22.0 °C.
Does it snow in Cumbernauld?
Yes. Cumbernauld gets on average 44.8 cm of snow per year and has around 56 frost days.
Has the climate of Cumbernauld warmed?
Yes: Cumbernauld warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cumbernauld?
The wettest day measured in Cumbernauld between 1940 and 2025 was 7 October 2023, with 62 mm of rain in 24 hours.
What was the windiest day in Cumbernauld?
The windiest day measured in Cumbernauld between 1940 and 2025 was 15 January 1968, with winds reaching 60.6 km/h.
What is the warmest month in Cumbernauld?
The warmest month in Cumbernauld is July (14.4 °C on average); the coldest is January (2.9 °C).
How much does it rain in Cumbernauld?
Cumbernauld receives on average 1,029 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Cumbernauld?
Cumbernauld 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 Cumbernauld?
The heaviest 24-hour snowfall measured in Cumbernauld between 1940 and 2025 was 25 January 1990, with 18.5 cm.
Are there tropical nights in Cumbernauld?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Cumbernauld.
What was the most extreme apparent temperature in Cumbernauld?
In Cumbernauld, between 1940 and 2025, the highest apparent temperature reached 30.6 °C on 28 June 2018, and the lowest was -26.7 °C on 1 March 1947.
Compare Cumbernauld with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cumbernauld