Apia, Samoa Climate & Monthly Averages
The climate of Apia
Apia has one of the steadier climates in our dataset. Average highs move only 1°C across the whole year - from 83°F (28°C) in August to 85°F (30°C) in March - so the practical difference between seasons here is rainfall and daylight, not warmth.
Climate quick facts
- Hottest month: March - highs near 85°F (30°C)
- Coldest month: August - highs near 83°F (28°C)
- Decade extremes (2015-2024): 100°F (38°C) high · 69°F (21°C) low
- Wettest month: February (27 rainy days) · Sunniest: September (10.9 h sun/day)
- Climate type: tropical rainforest
- Annual swing: 1°C between the average warmest and coolest month · day to night: 4°C
- Average humidity: 88%
Temperatures through the year
At its warmest, in March, Apia runs to 85°F (30°C) in the afternoon and back to 77°F (25°C) by dawn. August bottoms out at 83°F (28°C) in daylight, 76°F (24°C) after dark. Precipitation concentrates in February - 18.4 inches (466 mm) on 27 days - and thins out by September.
Rain, sun and snow
September is the brightest month at 10.9 hours of sun a day, against an annual average of 10.2. Between the average March and the average August lie 1°C, a narrower spread than almost anywhere else we cover. Days and nights are about 4°C apart on average - narrower than almost anywhere else we cover. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum 69°F (21°C).
How Apia compares
- Rain or snow reaches the ground on 310 days a year - more wet days than any other city in our 3496-city dataset.
- Relative humidity averages 88% - more humid than any other city in our 3496-city dataset.
- Annual precipitation is 118.0 inches (2996 mm) - wetter than any other city in our 3496-city dataset.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 85° | 78° | 29 | 15.6 in | 10.2 h/day | 12.9 h | 93% | 89% |
| February | 85° | 77° | 27 | 18.4 in | 8.6 h/day | 12.6 h | 95% | 90% |
| March | 85° | 77° | 29 | 8.7 in | 10.5 h/day | 12.2 h | 93% | 88% |
| April | 85° | 77° | 28 | 10.3 in | 9.6 h/day | 11.8 h | 93% | 89% |
| May | 84° | 77° | 26 | 9.7 in | 9.9 h/day | 11.5 h | 85% | 88% |
| June | 83° | 77° | 22 | 5.9 in | 10.2 h/day | 11.3 h | 73% | 87% |
| July | 83° | 76° | 22 | 6.0 in | 10.2 h/day | 11.4 h | 73% | 86% |
| August | 83° | 76° | 22 | 5.1 in | 10.5 h/day | 11.7 h | 70% | 85% |
| September | 83° | 76° | 24 | 5.0 in | 10.9 h/day | 12.0 h | 79% | 86% |
| October | 84° | 76° | 26 | 8.4 in | 10.9 h/day | 12.4 h | 84% | 87% |
| November | 85° | 77° | 27 | 11.2 in | 10.7 h/day | 12.8 h | 90% | 88% |
| December | 85° | 77° | 29 | 13.6 in | 10.4 h/day | 12.9 h | 93% | 89% |
Apia month by month
Average high and low for each month, with the bar showing where it sits in Apia's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 29 days
- Sunshine
- 10.2 h
- Daylight
- 12.9 h
February
- Rain
- 27 days
- Sunshine
- 8.6 h
- Daylight
- 12.6 h
March
- Rain
- 29 days
- Sunshine
- 10.5 h
- Daylight
- 12.2 h
April
- Rain
- 28 days
- Sunshine
- 9.6 h
- Daylight
- 11.8 h
May
- Rain
- 26 days
- Sunshine
- 9.9 h
- Daylight
- 11.5 h
June
- Rain
- 22 days
- Sunshine
- 10.2 h
- Daylight
- 11.3 h
July
- Rain
- 22 days
- Sunshine
- 10.2 h
- Daylight
- 11.4 h
August
- Rain
- 22 days
- Sunshine
- 10.5 h
- Daylight
- 11.7 h
September
- Rain
- 24 days
- Sunshine
- 10.9 h
- Daylight
- 12.0 h
October
- Rain
- 26 days
- Sunshine
- 10.9 h
- Daylight
- 12.4 h
November
- Rain
- 27 days
- Sunshine
- 10.7 h
- Daylight
- 12.8 h
December
- Rain
- 29 days
- Sunshine
- 10.4 h
- Daylight
- 12.9 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Apia
September through November
September through November is hot here - highs near 84°F (29°C), nights near 76°F (25°C), and rain falls on around 77 of the 90 days. Daylight is generous - around 10.8 hours of sun a day.
December through February
Through December through February, Apia sits firmly in the heat: 85°F (29°C) by day, 77°F (25°C) after dark, and rain falls on around 84 of the 90 days.
March through May
Through March through May, Apia sits firmly in the heat: 85°F (29°C) by day, 77°F (25°C) after dark, and rain falls on around 83 of the 90 days. Daylight is generous - around 10.0 hours of sun a day.
June through August
June through August in Apia runs hot, with daytime highs averaging 83°F (28°C) and nights around 76°F (24°C); rain falls on around 66 of the 90 days. Daylight is generous - around 10.3 hours of sun a day.
Climate questions, answered
What should I pack for Apia?
What is the average temperature in Apia?
Are nights cold in Apia?
How sunny is Apia?
How many rainy days does Apia get in a year?
Best time to visit Apia
The best time to visit Apia is generally May to October, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 83°F (29°C), with rain on about 24 days a month. For the same question asked the other way round, see where else is warm in May.
Pack for Apia with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. March nights average 77°F (25°C), so evenings rarely match the afternoons.
Apia temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.