Amurrio climate — normals and trends
Amurrio (Spain) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 861 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 (18.2 °C on average) and the coldest is January (5.2 °C). Rainfall peaks in April.
Amurrio averages 29 frost days, 5 hot days (≥ 30 °C) and 146 rainy days per year.
Amurrio has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 43 to 15 per year over the period.
The hottest day of the period reached 38.6 °C (on 18 July 2022) and the coldest -18.9 °C (on 21 January 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
AmurrioBasque Country
- coords
- 43.05°, -3.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.5°C
Average daily high
16.0°C
Average daily low
7.7°C
Annual rainfall
861mm
Sunshine / day
8.8h
Mean relative humidity
80%
Average peak wind
14.2km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
25.4 cm
Average feels-like high
14.7 °C
Average feels-like low
5.8 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.64 · 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
38.6 °C
18 July 2022
Coldest day
-18.9 °C
21 January 1940
Wettest day
61 mm
10 June 1966
Windiest day
45.3 km/h
4 October 1984
Strongest gust
127.4 km/h
11 December 2017
Hottest feels-like
40.7 °C
18 July 2022
Coldest feels-like
-23.7 °C
3 January 1971
Snowiest day
20.6 cm
13 January 1978
Sunniest day
14.8 h
5 July 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 | 11.9 °C | +3.1 °C | 93 mm | +12 mm |
| Feb | 13.8 °C | +3.6 °C | 53 mm | -19 mm |
| Mar | 12.4 °C | -0.4 °C | 104 mm | +30 mm |
| Apr | 17.6 °C | +3.3 °C | 107 mm | +17 mm |
| May | 18.7 °C | +1.4 °C | 110 mm | +24 mm |
| Jun | 25.1 °C | +4.6 °C | 52 mm | -16 mm |
| Jul | 23.9 °C | +1.0 °C | 45 mm | +0 mm |
| Aug | 26.8 °C | +3.4 °C | 31 mm | -13 mm |
| Sep | 22.6 °C | +1.0 °C | 49 mm | -11 mm |
| Oct | 20.4 °C | +2.7 °C | 27 mm | -47 mm |
| Nov | 14.2 °C | +1.8 °C | 115 mm | +27 mm |
| Dec | 11.5 °C | +2.0 °C | 64 mm | -17 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 Amurrio?
Amurrio has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 861 mm of precipitation per year.
What is the hottest day ever recorded in Amurrio?
The hottest day measured in Amurrio between 1940 and 2025 was 18 July 2022, reaching 38.6 °C.
What is the coldest day in Amurrio?
The coldest day measured in Amurrio between 1940 and 2025 was 21 January 1940, at -18.9 °C.
Does it snow in Amurrio?
Yes. Amurrio gets on average 25.4 cm of snow per year and has around 29 frost days.
Has the climate of Amurrio warmed?
Yes: Amurrio warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Amurrio?
The wettest day measured in Amurrio between 1940 and 2025 was 10 June 1966, with 61 mm of rain in 24 hours.
What was the windiest day in Amurrio?
The windiest day measured in Amurrio between 1940 and 2025 was 4 October 1984, with winds reaching 45.3 km/h.
What is the warmest month in Amurrio?
The warmest month in Amurrio is August (18.2 °C on average); the coldest is January (5.2 °C).
How much does it rain in Amurrio?
Amurrio receives on average 861 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Amurrio?
Amurrio gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Amurrio?
The heaviest 24-hour snowfall measured in Amurrio between 1940 and 2025 was 13 January 1978, with 20.6 cm.
Are there tropical nights in Amurrio?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Amurrio.
What was the most extreme apparent temperature in Amurrio?
In Amurrio, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 18 July 2022, and the lowest was -23.7 °C on 3 January 1971.
Compare Amurrio with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Amurrio