Azambuja climate — normals and trends
Azambuja (Portugal) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 544 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 (22.8 °C on average) and the coldest is January (9.9 °C). Rainfall peaks in December.
Azambuja averages 2 frost days, 54 hot days (≥ 30 °C) and 77 rainy days per year.
Azambuja has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 4 to 0 per year over the period.
The hottest day of the period reached 47.0 °C (on 1 August 2003) and the coldest -7.9 °C (on 15 January 1945).
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
AzambujaLisbon District
- coords
- 39.07°, -8.87°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
21.8°C
Average daily low
11.6°C
Annual rainfall
544mm
Sunshine / day
10.2h
Mean relative humidity
72%
Average peak wind
18.4km/h
Seasonal range
12.9°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
54 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
0.1 cm
Average feels-like high
20.7 °C
Average feels-like low
10.1 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
47.0 °C
1 August 2003
Coldest day
-7.9 °C
15 January 1945
Wettest day
67 mm
13 November 2025
Windiest day
65.6 km/h
15 February 1941
Strongest gust
109.4 km/h
15 February 1941
Hottest feels-like
47.4 °C
1 August 2003
Coldest feels-like
-12.5 °C
15 January 1945
Snowiest day
7.4 cm
13 January 1945
Sunniest day
14.7 h
29 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 16.1 °C | +2.0 °C | 127 mm | +60 mm |
| Feb | 16.9 °C | +1.5 °C | 52 mm | -10 mm |
| Mar | 17.2 °C | -0.9 °C | 166 mm | +103 mm |
| Apr | 20.7 °C | +0.7 °C | 109 mm | +55 mm |
| May | 25.0 °C | +1.8 °C | 32 mm | -10 mm |
| Jun | 31.1 °C | +3.7 °C | 5 mm | -9 mm |
| Jul | 32.0 °C | +1.6 °C | 1 mm | -3 mm |
| Aug | 32.9 °C | +2.4 °C | 1 mm | -5 mm |
| Sep | 28.2 °C | +0.4 °C | 10 mm | -17 mm |
| Oct | 26.3 °C | +3.4 °C | 37 mm | -25 mm |
| Nov | 17.8 °C | +0.2 °C | 190 mm | +118 mm |
| Dec | 14.8 °C | +0.2 °C | 114 mm | +42 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 Azambuja?
Azambuja has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 544 mm of precipitation per year.
What is the hottest day ever recorded in Azambuja?
The hottest day measured in Azambuja between 1940 and 2025 was 1 August 2003, reaching 47.0 °C.
What is the coldest day in Azambuja?
The coldest day measured in Azambuja between 1940 and 2025 was 15 January 1945, at -7.9 °C.
Does it snow in Azambuja?
Almost never: Azambuja sees virtually no snow, with about 2 frost days per year.
Has the climate of Azambuja warmed?
Yes: Azambuja warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Azambuja?
The wettest day measured in Azambuja between 1940 and 2025 was 13 November 2025, with 67 mm of rain in 24 hours.
What was the windiest day in Azambuja?
The windiest day measured in Azambuja between 1940 and 2025 was 15 February 1941, with winds reaching 65.6 km/h.
What is the warmest month in Azambuja?
The warmest month in Azambuja is July (22.8 °C on average); the coldest is January (9.9 °C).
How much does it rain in Azambuja?
Azambuja receives on average 544 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in Azambuja?
Azambuja gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Azambuja?
The heaviest 24-hour snowfall measured in Azambuja between 1940 and 2025 was 13 January 1945, with 7.4 cm.
Are there tropical nights in Azambuja?
Yes: Azambuja has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Azambuja?
In Azambuja, between 1940 and 2025, the highest apparent temperature reached 47.4 °C on 1 August 2003, and the lowest was -12.5 °C on 15 January 1945.
Compare Azambuja with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Azambuja