Tunes climate — normals and trends
Tunes (Portugal) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.7 °C and it receives 506 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 (24.2 °C on average) and the coldest is January (10.1 °C). Rainfall peaks in December.
Tunes averages 1 frost days, 60 hot days (≥ 30 °C) and 69 rainy days per year.
Tunes has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The number of frost days there went from about 2 to 0 per year over the period.
The hottest day of the period reached 43.9 °C (on 5 August 2018) and the coldest -4.1 °C (on 5 February 1954).
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
TunesFaro District
- coords
- 37.17°, -8.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.7°C
Average daily high
21.9°C
Average daily low
12.0°C
Annual rainfall
506mm
Sunshine / day
10.8h
Mean relative humidity
69%
Average peak wind
18.9km/h
Seasonal range
14.1°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
60 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
0.1 cm
Average feels-like high
20.8 °C
Average feels-like low
10.2 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
17 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.23 · 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
43.9 °C
5 August 2018
Coldest day
-4.1 °C
5 February 1954
Wettest day
76 mm
5 November 1997
Windiest day
68.4 km/h
15 February 1941
Strongest gust
124.2 km/h
23 December 2009
Hottest feels-like
45.2 °C
4 August 2018
Coldest feels-like
-8.7 °C
4 February 1956
Snowiest day
4.4 cm
2 February 1954
Sunniest day
14.6 h
17 June 1941
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 | 16.0 °C | +1.7 °C | 123 mm | +62 mm |
| Feb | 16.8 °C | +1.4 °C | 56 mm | -1 mm |
| Mar | 16.6 °C | -1.0 °C | 185 mm | +119 mm |
| Apr | 20.0 °C | +0.3 °C | 74 mm | +21 mm |
| May | 25.1 °C | +1.9 °C | 19 mm | -15 mm |
| Jun | 31.3 °C | +3.8 °C | 1 mm | -11 mm |
| Jul | 31.8 °C | +0.7 °C | 0 mm | -2 mm |
| Aug | 32.4 °C | +1.3 °C | 0 mm | -3 mm |
| Sep | 29.1 °C | +1.4 °C | 2 mm | -18 mm |
| Oct | 25.9 °C | +3.1 °C | 32 mm | -28 mm |
| Nov | 18.3 °C | +0.4 °C | 96 mm | +28 mm |
| Dec | 14.8 °C | -0.2 °C | 91 mm | +18 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 Tunes?
Tunes has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.7 °C and it receives 506 mm of precipitation per year.
What is the hottest day ever recorded in Tunes?
The hottest day measured in Tunes between 1940 and 2025 was 5 August 2018, reaching 43.9 °C.
What is the coldest day in Tunes?
The coldest day measured in Tunes between 1940 and 2025 was 5 February 1954, at -4.1 °C.
Does it snow in Tunes?
Almost never: Tunes sees virtually no snow, with about 1 frost days per year.
Has the climate of Tunes warmed?
Yes: Tunes warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tunes?
The wettest day measured in Tunes between 1940 and 2025 was 5 November 1997, with 76 mm of rain in 24 hours.
What was the windiest day in Tunes?
The windiest day measured in Tunes between 1940 and 2025 was 15 February 1941, with winds reaching 68.4 km/h.
What is the warmest month in Tunes?
The warmest month in Tunes is August (24.2 °C on average); the coldest is January (10.1 °C).
How much does it rain in Tunes?
Tunes receives on average 506 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Tunes?
Tunes gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tunes?
The heaviest 24-hour snowfall measured in Tunes between 1940 and 2025 was 2 February 1954, with 4.4 cm.
Are there tropical nights in Tunes?
Yes: Tunes has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tunes?
In Tunes, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 4 August 2018, and the lowest was -8.7 °C on 4 February 1956.
Compare Tunes with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tunes