Angra do Heroísmo climate — normals and trends
Angra do Heroísmo (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 17.4 °C and it receives 779 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 (21.8 °C on average) and the coldest is February (14.4 °C). Rainfall peaks in December.
Angra do Heroísmo averages 0 frost days, 0 hot days (≥ 30 °C) and 122 rainy days per year.
Angra do Heroísmo has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.
The hottest day of the period reached 25.6 °C (on 19 August 2024) and the coldest 6.9 °C (on 21 January 1947).
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
Angra do HeroísmoAzores
- coords
- 38.65°, -27.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.4°C
Average daily high
18.1°C
Average daily low
16.8°C
Annual rainfall
779mm
Sunshine / day
10.0h
Mean relative humidity
79%
Average peak wind
32.8km/h
Seasonal range
7.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
0.0 cm
Average feels-like high
16.7 °C
Average feels-like low
13.7 °C
Average peak gust
44.6 km/h
Tropical nights (≥ 20 °C)
73 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.5 °C
since 1940
+0.1 °C per decade · r² = 0.14 · 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
25.6 °C
19 August 2024
Coldest day
6.9 °C
21 January 1947
Wettest day
96 mm
24 October 1994
Windiest day
97.3 km/h
15 February 1986
Strongest gust
162.7 km/h
15 February 1986
Hottest feels-like
30.3 °C
15 August 2024
Coldest feels-like
-4.8 °C
20 February 1966
Sunniest day
14.2 h
17 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 | 17.8 °C | +2.0 °C | 133 mm | +37 mm |
| Feb | 16.5 °C | +1.3 °C | 103 mm | +19 mm |
| Mar | 15.0 °C | -0.1 °C | 89 mm | +6 mm |
| Apr | 15.7 °C | +0.2 °C | 67 mm | +10 mm |
| May | 17.2 °C | +0.5 °C | 76 mm | +31 mm |
| Jun | 19.7 °C | +0.9 °C | 14 mm | -17 mm |
| Jul | 21.5 °C | +0.4 °C | 23 mm | +3 mm |
| Aug | 23.3 °C | +1.0 °C | 19 mm | -11 mm |
| Sep | 22.1 °C | +0.4 °C | 83 mm | +30 mm |
| Oct | 21.2 °C | +1.3 °C | 124 mm | +39 mm |
| Nov | 18.3 °C | +0.4 °C | 84 mm | -7 mm |
| Dec | 17.1 °C | +0.4 °C | 134 mm | +31 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 Angra do Heroísmo?
Angra do Heroísmo has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 17.4 °C and it receives 779 mm of precipitation per year.
What is the hottest day ever recorded in Angra do Heroísmo?
The hottest day measured in Angra do Heroísmo between 1940 and 2025 was 19 August 2024, reaching 25.6 °C.
What is the coldest day in Angra do Heroísmo?
The coldest day measured in Angra do Heroísmo between 1940 and 2025 was 21 January 1947, at 6.9 °C.
Does it snow in Angra do Heroísmo?
Almost never: Angra do Heroísmo sees virtually no snow, with about 0 frost days per year.
Has the climate of Angra do Heroísmo warmed?
Yes: Angra do Heroísmo warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Angra do Heroísmo?
The wettest day measured in Angra do Heroísmo between 1940 and 2025 was 24 October 1994, with 96 mm of rain in 24 hours.
What was the windiest day in Angra do Heroísmo?
The windiest day measured in Angra do Heroísmo between 1940 and 2025 was 15 February 1986, with winds reaching 97.3 km/h.
What is the warmest month in Angra do Heroísmo?
The warmest month in Angra do Heroísmo is August (21.8 °C on average); the coldest is February (14.4 °C).
How much does it rain in Angra do Heroísmo?
Angra do Heroísmo receives on average 779 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Angra do Heroísmo?
Angra do Heroísmo gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Angra do Heroísmo?
Yes: Angra do Heroísmo has on average 73 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Angra do Heroísmo?
In Angra do Heroísmo, between 1940 and 2025, the highest apparent temperature reached 30.3 °C on 15 August 2024, and the lowest was -4.8 °C on 20 February 1966.
Compare Angra do Heroísmo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Angra do Heroísmo