Apia climate — normals and trends
Apia (Samoa) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,630 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 April (26.6 °C on average) and the coldest is August (25.6 °C). Rainfall peaks in January.
Apia averages 0 frost days, 0 hot days (≥ 30 °C) and 303 rainy days per year.
Apia 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 30.3 °C (on 8 April 2016) and the coldest 22.6 °C (on 12 September 1953).
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
ApiaTuamasaga
- coords
- -13.83°, -171.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
27.1°C
Average daily low
25.2°C
Annual rainfall
2,630mm
Sunshine / day
10.4h
Mean relative humidity
83%
Average peak wind
21.1km/h
Seasonal range
1.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
303 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.3 °C
Average feels-like low
28.2 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.51 · 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
30.3 °C
8 April 2016
Coldest day
22.6 °C
12 September 1953
Wettest day
272 mm
10 December 1991
Windiest day
97.3 km/h
10 December 1991
Strongest gust
158.0 km/h
10 December 1991
Hottest feels-like
37.8 °C
13 March 2024
Coldest feels-like
18.8 °C
10 December 1991
Sunniest day
12.8 h
31 December 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 | 28.0 °C | +0.6 °C | 429 mm | +96 mm |
| Feb | 27.9 °C | +0.5 °C | 491 mm | +173 mm |
| Mar | 27.9 °C | +0.4 °C | 253 mm | -2 mm |
| Apr | 28.2 °C | +0.6 °C | 180 mm | -26 mm |
| May | 27.6 °C | +0.3 °C | 391 mm | +196 mm |
| Jun | 27.3 °C | +0.3 °C | 151 mm | +11 mm |
| Jul | 26.8 °C | +0.2 °C | 190 mm | +63 mm |
| Aug | 27.1 °C | +0.6 °C | 117 mm | -1 mm |
| Sep | 26.8 °C | +0.1 °C | 94 mm | -46 mm |
| Oct | 26.8 °C | 0.0 °C | 448 mm | +221 mm |
| Nov | 27.2 °C | +0.2 °C | 328 mm | +70 mm |
| Dec | 27.9 °C | +0.7 °C | 233 mm | -81 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 Apia?
Apia has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,630 mm of precipitation per year.
What is the hottest day ever recorded in Apia?
The hottest day measured in Apia between 1940 and 2025 was 8 April 2016, reaching 30.3 °C.
What is the coldest day in Apia?
The coldest day measured in Apia between 1940 and 2025 was 12 September 1953, at 22.6 °C.
Does it snow in Apia?
Almost never: Apia sees virtually no snow, with about 0 frost days per year.
Has the climate of Apia warmed?
Yes: Apia warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Apia?
The wettest day measured in Apia between 1940 and 2025 was 10 December 1991, with 272 mm of rain in 24 hours.
What was the windiest day in Apia?
The windiest day measured in Apia between 1940 and 2025 was 10 December 1991, with winds reaching 97.3 km/h.
What is the warmest month in Apia?
The warmest month in Apia is April (26.6 °C on average); the coldest is August (25.6 °C).
How much does it rain in Apia?
Apia receives on average 2,630 mm of precipitation per year, spread over about 303 rainy days.
Is it sunny in Apia?
Apia gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Apia?
Yes: Apia has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Apia?
In Apia, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 13 March 2024, and the lowest was 18.8 °C on 10 December 1991.
Compare Apia with another city
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