Arzúa climate — normals and trends
Arzúa (Spain) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,097 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 (18.0 °C on average) and the coldest is January (7.3 °C). Rainfall peaks in December.
Arzúa averages 10 frost days, 4 hot days (≥ 30 °C) and 142 rainy days per year.
Arzúa has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 18 to 2 per year over the period.
The hottest day of the period reached 37.3 °C (on 14 July 2022) and the coldest -9.4 °C (on 4 February 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
ArzúaGalicia
- coords
- 42.93°, -8.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
16.4°C
Average daily low
8.9°C
Annual rainfall
1,097mm
Sunshine / day
8.9h
Mean relative humidity
82%
Average peak wind
19.1km/h
Seasonal range
10.7°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
1.8 cm
Average feels-like high
15.0 °C
Average feels-like low
6.7 °C
Average peak gust
39.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
37.3 °C
14 July 2022
Coldest day
-9.4 °C
4 February 1963
Wettest day
90 mm
15 October 1987
Windiest day
72.7 km/h
15 February 1941
Strongest gust
154.8 km/h
15 February 1941
Hottest feels-like
42.0 °C
14 July 2022
Coldest feels-like
-13.7 °C
4 February 1963
Snowiest day
7.5 cm
24 February 1956
Sunniest day
15.0 h
1 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 | 12.5 °C | +2.0 °C | 225 mm | +98 mm |
| Feb | 13.3 °C | +1.9 °C | 86 mm | -23 mm |
| Mar | 14.0 °C | +0.5 °C | 95 mm | -13 mm |
| Apr | 18.0 °C | +3.1 °C | 186 mm | +85 mm |
| May | 19.0 °C | +1.8 °C | 101 mm | +10 mm |
| Jun | 24.1 °C | +3.7 °C | 40 mm | -18 mm |
| Jul | 23.8 °C | +1.1 °C | 21 mm | -8 mm |
| Aug | 26.0 °C | +3.0 °C | 22 mm | -16 mm |
| Sep | 21.0 °C | -0.3 °C | 49 mm | -17 mm |
| Oct | 20.3 °C | +2.6 °C | 79 mm | -33 mm |
| Nov | 13.7 °C | +0.3 °C | 171 mm | +47 mm |
| Dec | 11.4 °C | +0.3 °C | 148 mm | +13 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 Arzúa?
Arzúa has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,097 mm of precipitation per year.
What is the hottest day ever recorded in Arzúa?
The hottest day measured in Arzúa between 1940 and 2025 was 14 July 2022, reaching 37.3 °C.
What is the coldest day in Arzúa?
The coldest day measured in Arzúa between 1940 and 2025 was 4 February 1963, at -9.4 °C.
Does it snow in Arzúa?
Yes. Arzúa gets on average 1.8 cm of snow per year and has around 10 frost days.
Has the climate of Arzúa warmed?
Yes: Arzúa warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arzúa?
The wettest day measured in Arzúa between 1940 and 2025 was 15 October 1987, with 90 mm of rain in 24 hours.
What was the windiest day in Arzúa?
The windiest day measured in Arzúa between 1940 and 2025 was 15 February 1941, with winds reaching 72.7 km/h.
What is the warmest month in Arzúa?
The warmest month in Arzúa is August (18.0 °C on average); the coldest is January (7.3 °C).
How much does it rain in Arzúa?
Arzúa receives on average 1,097 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Arzúa?
Arzúa gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Arzúa?
The heaviest 24-hour snowfall measured in Arzúa between 1940 and 2025 was 24 February 1956, with 7.5 cm.
Are there tropical nights in Arzúa?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Arzúa.
What was the most extreme apparent temperature in Arzúa?
In Arzúa, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 14 July 2022, and the lowest was -13.7 °C on 4 February 1963.
Compare Arzúa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arzúa