Lagos climate — normals and trends
Lagos (Portugal) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 16.8 °C and it receives 468 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 (20.5 °C on average) and the coldest is January (13.4 °C). Rainfall peaks in December.
Lagos averages 0 frost days, 0 hot days (≥ 30 °C) and 65 rainy days per year.
Lagos has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 29.9 °C (on 11 August 2010) and the coldest 4.1 °C (on 11 February 1956).
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
LagosFaro District
- coords
- 37.10°, -8.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.8°C
Average daily high
18.2°C
Average daily low
15.4°C
Annual rainfall
468mm
Sunshine / day
10.9h
Mean relative humidity
78%
Average peak wind
27.3km/h
Seasonal range
7.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
65 d/yr
Annual snowfall
0.0 cm
Average feels-like high
17.5 °C
Average feels-like low
13.1 °C
Average peak gust
39.1 km/h
Tropical nights (≥ 20 °C)
17 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.25 · 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
29.9 °C
11 August 2010
Coldest day
4.1 °C
11 February 1956
Wettest day
74 mm
5 November 1997
Windiest day
88.0 km/h
15 February 1941
Strongest gust
122.4 km/h
22 December 1958
Hottest feels-like
32.9 °C
11 August 2010
Coldest feels-like
-3.1 °C
11 February 1956
Snowiest day
0.4 cm
2 February 1954
Sunniest day
14.4 h
15 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 | 16.3 °C | +1.6 °C | 106 mm | +42 mm |
| Feb | 15.7 °C | +1.0 °C | 47 mm | -10 mm |
| Mar | 15.5 °C | 0.0 °C | 140 mm | +84 mm |
| Apr | 17.4 °C | +0.9 °C | 62 mm | +24 mm |
| May | 19.0 °C | +0.8 °C | 16 mm | -5 mm |
| Jun | 22.0 °C | +1.7 °C | 1 mm | -5 mm |
| Jul | 22.2 °C | +0.3 °C | 0 mm | -1 mm |
| Aug | 23.3 °C | +1.0 °C | 0 mm | -2 mm |
| Sep | 21.0 °C | -0.6 °C | 2 mm | -13 mm |
| Oct | 21.0 °C | +1.0 °C | 29 mm | -26 mm |
| Nov | 18.1 °C | +0.6 °C | 77 mm | +5 mm |
| Dec | 15.5 °C | -0.1 °C | 123 mm | +40 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 Lagos?
Lagos has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 16.8 °C and it receives 468 mm of precipitation per year.
What is the hottest day ever recorded in Lagos?
The hottest day measured in Lagos between 1940 and 2025 was 11 August 2010, reaching 29.9 °C.
What is the coldest day in Lagos?
The coldest day measured in Lagos between 1940 and 2025 was 11 February 1956, at 4.1 °C.
Does it snow in Lagos?
Almost never: Lagos sees virtually no snow, with about 0 frost days per year.
Has the climate of Lagos warmed?
Yes: Lagos warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lagos?
The wettest day measured in Lagos between 1940 and 2025 was 5 November 1997, with 74 mm of rain in 24 hours.
What was the windiest day in Lagos?
The windiest day measured in Lagos between 1940 and 2025 was 15 February 1941, with winds reaching 88.0 km/h.
What is the warmest month in Lagos?
The warmest month in Lagos is August (20.5 °C on average); the coldest is January (13.4 °C).
How much does it rain in Lagos?
Lagos receives on average 468 mm of precipitation per year, spread over about 65 rainy days.
Is it sunny in Lagos?
Lagos gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lagos?
The heaviest 24-hour snowfall measured in Lagos between 1940 and 2025 was 2 February 1954, with 0.4 cm.
Are there tropical nights in Lagos?
Yes: Lagos has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lagos?
In Lagos, between 1940 and 2025, the highest apparent temperature reached 32.9 °C on 11 August 2010, and the lowest was -3.1 °C on 11 February 1956.
Compare Lagos with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lagos