Fiães climate — normals and trends
Fiães (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 1,347 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 (20.6 °C on average) and the coldest is January (8.6 °C). Rainfall peaks in December.
Fiães averages 2 frost days, 11 hot days (≥ 30 °C) and 126 rainy days per year.
Fiães has warmed by +1.2 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 5 to 0 per year over the period.
The hottest day of the period reached 37.3 °C (on 12 July 2022) and the coldest -3.9 °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
FiãesAveiro District
- coords
- 40.99°, -8.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
18.3°C
Average daily low
11.0°C
Annual rainfall
1,347mm
Sunshine / day
10.1h
Mean relative humidity
78%
Average peak wind
17.6km/h
Seasonal range
12.0°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
0.7 cm
Average feels-like high
17.5 °C
Average feels-like low
9.4 °C
Average peak gust
37.3 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
16.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
12 July 2022
Coldest day
-3.9 °C
4 February 1963
Wettest day
104 mm
25 November 1952
Windiest day
62.3 km/h
15 February 1941
Strongest gust
138.6 km/h
15 February 1941
Hottest feels-like
42.1 °C
1 August 1989
Coldest feels-like
-8.0 °C
4 February 1963
Snowiest day
6.8 cm
23 February 1956
Sunniest day
14.9 h
7 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 | 13.8 °C | +2.0 °C | 286 mm | +122 mm |
| Feb | 14.6 °C | +1.7 °C | 90 mm | -57 mm |
| Mar | 15.3 °C | +0.2 °C | 197 mm | +58 mm |
| Apr | 18.5 °C | +1.7 °C | 210 mm | +86 mm |
| May | 20.7 °C | +1.6 °C | 107 mm | -5 mm |
| Jun | 25.0 °C | +2.5 °C | 44 mm | -10 mm |
| Jul | 27.3 °C | +2.2 °C | 13 mm | -8 mm |
| Aug | 27.4 °C | +2.0 °C | 11 mm | -16 mm |
| Sep | 23.0 °C | -0.4 °C | 37 mm | -34 mm |
| Oct | 21.8 °C | +2.3 °C | 168 mm | +17 mm |
| Nov | 15.5 °C | +0.5 °C | 362 mm | +200 mm |
| Dec | 12.9 °C | +0.4 °C | 206 mm | +33 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 Fiães?
Fiães has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,347 mm of precipitation per year.
What is the hottest day ever recorded in Fiães?
The hottest day measured in Fiães between 1940 and 2025 was 12 July 2022, reaching 37.3 °C.
What is the coldest day in Fiães?
The coldest day measured in Fiães between 1940 and 2025 was 4 February 1963, at -3.9 °C.
Does it snow in Fiães?
Almost never: Fiães sees virtually no snow, with about 2 frost days per year.
Has the climate of Fiães warmed?
Yes: Fiães warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fiães?
The wettest day measured in Fiães between 1940 and 2025 was 25 November 1952, with 104 mm of rain in 24 hours.
What was the windiest day in Fiães?
The windiest day measured in Fiães between 1940 and 2025 was 15 February 1941, with winds reaching 62.3 km/h.
What is the warmest month in Fiães?
The warmest month in Fiães is August (20.6 °C on average); the coldest is January (8.6 °C).
How much does it rain in Fiães?
Fiães receives on average 1,347 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Fiães?
Fiães gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fiães?
The heaviest 24-hour snowfall measured in Fiães between 1940 and 2025 was 23 February 1956, with 6.8 cm.
Are there tropical nights in Fiães?
Yes: Fiães has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fiães?
In Fiães, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 1 August 1989, and the lowest was -8.0 °C on 4 February 1963.
Compare Fiães with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fiães