Climate averages 1991–2020
Apia weather
in April.
A hot, very wet month: one of the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Apia: daytime highs average 29.7°C and nights cool to about 25.6°C. By daytime temperature it is one of the warmest months of the year.
Expect about 218 mm of rain on roughly 26 days, which makes April a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 48 min on an average April day.
From April to May, average highs fall by 0.5°C to 29.1°C, and monthly rainfall falls from 218 mm to 207 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Apia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.5°C25.5°C | 25.5°C | 360 | 27.8 | 12.813 h |
| February | 29.5°C25.5°C | 25.5°C | 328 | 24.8 | 12.613 h |
| March | 29.7°C25.5°C | 25.5°C | 271 | 27.3 | 12.212 h |
| April, selected | 29.7°C25.6°C | 25.6°C | 218 | 25.5 | 11.812 h |
| May | 29.1°C25.5°C | 25.5°C | 207 | 24.4 | 11.511 h |
| June | 28.6°C25.4°C | 25.4°C | 143 | 21.9 | 11.311 h |
| July | 28.3°C25.0°C | 25.0°C | 138 | 21.0 | 11.411 h |
| August | 28.5°C24.9°C | 24.9°C | 121 | 21.0 | 11.712 h |
| September | 28.9°C25.0°C | 25.0°C | 160 | 21.9 | 12.012 h |
| October | 29.1°C25.1°C | 25.1°C | 226 | 25.0 | 12.412 h |
| November | 29.3°C25.3°C | 25.3°C | 271 | 25.8 | 12.713 h |
| December | 29.4°C25.4°C | 25.4°C | 346 | 27.4 | 12.913 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Apia) is explained once on the Apia year overview and on the Sources, method and limits page.