Amarante climate — normals and trends
Amarante (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 12.8 °C and it receives 1,253 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 (20.1 °C on average) and the coldest is January (6.1 °C). Rainfall peaks in December.
Amarante averages 22 frost days, 14 hot days (≥ 30 °C) and 121 rainy days per year.
Amarante has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 32 to 12 per year over the period.
The hottest day of the period reached 38.2 °C (on 22 August 2023) and the coldest -11.5 °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
AmarantePorto District
- coords
- 41.27°, -8.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.8°C
Average daily high
17.5°C
Average daily low
8.4°C
Annual rainfall
1,253mm
Sunshine / day
9.4h
Mean relative humidity
77%
Average peak wind
12.8km/h
Seasonal range
14.0°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
2.9 cm
Average feels-like high
16.7 °C
Average feels-like low
6.6 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
38.2 °C
22 August 2023
Coldest day
-11.5 °C
4 February 1963
Wettest day
106 mm
25 November 1952
Windiest day
42.1 km/h
30 December 1981
Strongest gust
135.0 km/h
30 November 1959
Hottest feels-like
41.5 °C
6 July 1959
Coldest feels-like
-16.1 °C
11 January 1941
Snowiest day
15.3 cm
23 February 1956
Sunniest day
14.9 h
20 June 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 | 12.0 °C | +2.1 °C | 290 mm | +133 mm |
| Feb | 13.3 °C | +1.8 °C | 71 mm | -69 mm |
| Mar | 14.0 °C | -0.1 °C | 162 mm | +30 mm |
| Apr | 17.8 °C | +1.8 °C | 162 mm | +48 mm |
| May | 20.5 °C | +1.8 °C | 90 mm | -10 mm |
| Jun | 26.4 °C | +3.6 °C | 32 mm | -21 mm |
| Jul | 28.3 °C | +2.4 °C | 9 mm | -13 mm |
| Aug | 29.3 °C | +3.2 °C | 9 mm | -17 mm |
| Sep | 23.1 °C | -0.2 °C | 27 mm | -37 mm |
| Oct | 21.0 °C | +2.5 °C | 160 mm | +24 mm |
| Nov | 13.9 °C | +0.6 °C | 304 mm | +158 mm |
| Dec | 10.8 °C | +0.5 °C | 190 mm | +26 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 Amarante?
Amarante has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 12.8 °C and it receives 1,253 mm of precipitation per year.
What is the hottest day ever recorded in Amarante?
The hottest day measured in Amarante between 1940 and 2025 was 22 August 2023, reaching 38.2 °C.
What is the coldest day in Amarante?
The coldest day measured in Amarante between 1940 and 2025 was 4 February 1963, at -11.5 °C.
Does it snow in Amarante?
Yes. Amarante gets on average 2.9 cm of snow per year and has around 22 frost days.
Has the climate of Amarante warmed?
Yes: Amarante warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Amarante?
The wettest day measured in Amarante between 1940 and 2025 was 25 November 1952, with 106 mm of rain in 24 hours.
What was the windiest day in Amarante?
The windiest day measured in Amarante between 1940 and 2025 was 30 December 1981, with winds reaching 42.1 km/h.
What is the warmest month in Amarante?
The warmest month in Amarante is July (20.1 °C on average); the coldest is January (6.1 °C).
How much does it rain in Amarante?
Amarante receives on average 1,253 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Amarante?
Amarante gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Amarante?
The heaviest 24-hour snowfall measured in Amarante between 1940 and 2025 was 23 February 1956, with 15.3 cm.
Are there tropical nights in Amarante?
Yes: Amarante has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Amarante?
In Amarante, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 6 July 1959, and the lowest was -16.1 °C on 11 January 1941.
Compare Amarante with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Amarante