Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Sa'asa'ai features a tropical rainforest climate (Af).Temperatures typically range between 25 °C (77 °F) and 26 °C (79 °F) through the year, but rarely can drop to 22 °C (71 °F) or can rise to as high as 29 °C (84 °F).The average annual precipitation amounts to about 3000 mm (118.1 inches) and receives 320 rainy days on the 1 mm (0.04 inches) threshold annually.Sa'asa'ai enjoys an average of 3333 hours of sunshine throughout the year, and daylight varies from 11 hours 18 minutes to 12 hours 54 minutes per day.
The warmest months in Sa'asa'ai are January, March and April, with daily mean temperatures ranging from 26 to 26 °C (78 - 79 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (77 - 77 °F) throughout the day. On average each year, Sa'asa'ai experiences 318 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 28°C (84°F) | 28°C (83°F) | 27°C (81°F) | 27°C (82°F) | 28°C (82°F) | 28°C (82°F) | 28°C (83°F) | 28°C (83°F) |
Mean maximum | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) | 27°C (82°F) | 28°C (82°F) | 28°C (82°F) | 28°C (83°F) |
Average high | 27°C (81°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 26°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) |
Daily mean | 26°C (78°F) | 25°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 25°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (78°F) | 25°C (78°F) |
Average low | 25°C (77°F) | 25°C (77°F) | 25°C (76°F) | 25°C (77°F) | 25°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (76°F) | 24°C (76°F) |
Mean minimum | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) |
Minimum | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) | 22°C (71°F) | 22°C (72°F) | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 23°C (73°F) |
Compare temperature, precipitation, sunshine, UV index in Sa'asa'ai, Fa‘asaleleaga, Samoa with other places around the world.
Sa'asa'ai usually has the most precipitation in January, February and December, with an average of 27 rainy days and 434 mm (17.1 inches) of precipitation per month.The driest months in Sa'asa'ai are June, August and September. On average, 130 mm (5.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 343 (13.5) | 527 (20.8) | 190 (7.5) | 230 (9.1) | 188 (7.4) | 134 (5.3) | 196 (7.7) | 128 (5.0) | 129 (5.1) | 216 (8.5) | 287 (11.3) | 432 (17.0) |
Average precipitation days (≥ 1 mm) | 25 | 27 | 28 | 28 | 29 | 25 | 25 | 24 | 24 | 28 | 28 | 29 |
The sunniest months in Sa'asa'ai are March, September and October, when the sun shines an average of 9 hours 58 minutes a day.Least sunny months in Sa'asa'ai: January, February and June receive an average of 7 hours 53 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 228 | 210 | 303 | 272 | 278 | 270 | 278 | 296 | 304 | 309 | 295 | 284 |
Mean daily daylight hours | 12h 49m | 12h 31m | 12h 8m | 11h 45m | 11h 27m | 11h 18m | 11h 23m | 11h 39m | 12h 1m | 12h 24m | 12h 44m | 12h 54m |
Sa'asa'ai experiences the highest level of ultraviolet (UV) radiation in January, February and March, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Sa'asa'ai UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 16 | 16 | 16 | 13 | 11 | 9 | 10 | 12 | 14 | 15 | 15 | 15 |