Apia weather in March
In March, Apia has daytime highs averaging 30 °C, nights around 25 °C, with 28 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.
- 29.8°C Average high
- 25.5°C Average low
- 28days Wet days
- 271mm Rainfall
- 29.3°C Sea temperature
- 12h Daylight
Daily temperatures through March
How March develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 March | 29.7 °C | 25.4 °C | 90 % |
| 11–20 March | 29.9 °C | 25.5 °C | 86 % |
| 21–31 March | 29.8 °C | 25.4 °C | 89 % |
What to expect
| Measure | Typical March | Share of the month |
|---|---|---|
| Days above 25 °C | 31 of 31 | 100 % |
| Days above 30 °C | 13 of 31 | 41 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 28 of 31 | 89 % |
Conditions in March
| Measure | Average |
|---|---|
| Mean temperature | 27 °C |
| Record high (1991–2020) | 34 °C |
| Record low (1991–2020) | 23 °C |
| Relative humidity | 87 % |
| Wind speed | 18 km/h |
| Cloud cover | 75 % |
Where Apia ranks in March
| Ranking | Position | Value |
|---|---|---|
| Warmest sea temperatures in the world in March | 40th of 50 | 29 °C |
March compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 29.6 °C | 377 mm | 81 % |
| February | 29.7 °C | 345 mm | 80 % |
| March | 29.8 °C | 271 mm | 75 % |
| April | 29.7 °C | 220 mm | 67 % |
| May | 29.2 °C | 206 mm | 61 % |
See all twelve months for Apia
- March is the warmest month in Apia.
- It is the 8th driest month of the year.
- It ranks 9th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 28 of 31 days — 89 % of the month.
- Nights are about 4.4 °C cooler than the middle of the day.
- The hottest March day on record since 1991 reached 34 °C, 4.6 °C above the usual daytime high.
- Beach score: 66 / 100 — see how this is calculated.
QuestionsMarch in Apia, answered
How warm is Apia in March?
Daily highs average 30 °C and nights fall to about 25 °C, a spread of 4.4 °C between afternoon and dawn. That makes March the 2nd warmest month of the year here.
Does it rain much in Apia in March?
March averages 271 mm of rain, spread over about 28 of the 31 days — 89 % of the month. Cloud cover averages 75 % of the sky.
Is the sea warm enough to swim in March?
The sea averages 29 °C off Apia in March. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.
How long are the days in March?
Apia averages 12 hours between sunrise and sunset in March. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.