Alness climate — normals and trends
Alness (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 886 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 (2.4 °C). Rainfall peaks in October.
Alness averages 62 frost days, 0 hot days (≥ 30 °C) and 180 rainy days per year.
Alness has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 86 to 38 per year over the period.
The hottest day of the period reached 28.7 °C (on 4 August 1975) and the coldest -18.0 °C (on 17 January 1963).
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
AlnessScotland
- coords
- 57.70°, -4.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
10.8°C
Average daily low
4.8°C
Annual rainfall
886mm
Sunshine / day
7.0h
Mean relative humidity
81%
Average peak wind
19.7km/h
Seasonal range
11.5°C
Frost days (< 0 °C)
62 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
180 d/yr
Annual snowfall
58.1 cm
Average feels-like high
7.7 °C
Average feels-like low
1.6 °C
Average peak gust
43.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.56 · 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
28.7 °C
4 August 1975
Coldest day
-18.0 °C
17 January 1963
Wettest day
50 mm
14 July 1941
Windiest day
58.1 km/h
17 January 1993
Strongest gust
133.2 km/h
13 February 1989
Hottest feels-like
30.0 °C
30 July 1948
Coldest feels-like
-22.8 °C
17 January 1963
Snowiest day
24.6 cm
28 January 1978
Sunniest day
17.2 h
16 June 2023
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 | 5.1 °C | +0.5 °C | 54 mm | -25 mm |
| Feb | 7.2 °C | +1.8 °C | 37 mm | -28 mm |
| Mar | 10.6 °C | +3.1 °C | 55 mm | -14 mm |
| Apr | 13.9 °C | +3.9 °C | 23 mm | -38 mm |
| May | 15.9 °C | +2.9 °C | 44 mm | -25 mm |
| Jun | 17.5 °C | +1.9 °C | 75 mm | +7 mm |
| Jul | 19.9 °C | +2.7 °C | 65 mm | -10 mm |
| Aug | 19.3 °C | +2.4 °C | 57 mm | -23 mm |
| Sep | 15.9 °C | +1.3 °C | 78 mm | +2 mm |
| Oct | 12.5 °C | +1.1 °C | 131 mm | +47 mm |
| Nov | 8.1 °C | +0.6 °C | 90 mm | +15 mm |
| Dec | 7.2 °C | +1.8 °C | 67 mm | -16 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 Alness?
Alness has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 886 mm of precipitation per year.
What is the hottest day ever recorded in Alness?
The hottest day measured in Alness between 1940 and 2025 was 4 August 1975, reaching 28.7 °C.
What is the coldest day in Alness?
The coldest day measured in Alness between 1940 and 2025 was 17 January 1963, at -18.0 °C.
Does it snow in Alness?
Yes. Alness gets on average 58.1 cm of snow per year and has around 62 frost days.
Has the climate of Alness warmed?
Yes: Alness warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alness?
The wettest day measured in Alness between 1940 and 2025 was 14 July 1941, with 50 mm of rain in 24 hours.
What was the windiest day in Alness?
The windiest day measured in Alness between 1940 and 2025 was 17 January 1993, with winds reaching 58.1 km/h.
What is the warmest month in Alness?
The warmest month in Alness is July (13.9 °C on average); the coldest is January (2.4 °C).
How much does it rain in Alness?
Alness receives on average 886 mm of precipitation per year, spread over about 180 rainy days.
Is it sunny in Alness?
Alness gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alness?
The heaviest 24-hour snowfall measured in Alness between 1940 and 2025 was 28 January 1978, with 24.6 cm.
Are there tropical nights in Alness?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Alness.
What was the most extreme apparent temperature in Alness?
In Alness, between 1940 and 2025, the highest apparent temperature reached 30.0 °C on 30 July 1948, and the lowest was -22.8 °C on 17 January 1963.
Compare Alness with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alness