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Kolonia, Micronesia climate
Af Tropical rainforest
Kolonia has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is August with an average daily high near 89°F, while the coldest is January averaging around 75°F at night. Precipitation is fairly even year-round, totalling about 184 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Kolonia climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 87 | 88 | 88 | 88 | 89 | 89 | 89 | 89 | 89 | 87 |
| Avg temp (°F) | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 73 | 73 | 73 | 74 | 75 |
| Precipitation (in) | 13.3 | 10.4 | 16.2 | 17.7 | 19.3 | 16.0 | 15.2 | 14.7 | 14.8 | 14.6 | 15.5 | 16.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 87 | 88 | 88 | 88 |
| Avg temp (°F) | 81 | 81 | 81 | 81 | 81 | 81 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 13.3 | 10.4 | 16.2 | 17.7 | 19.3 | 16.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 89 | 89 | 89 | 89 | 89 | 87 |
| Avg temp (°F) | 81 | 81 | 81 | 81 | 81 | 81 |
| Avg low (°F) | 74 | 73 | 73 | 73 | 74 | 75 |
| Precipitation (in) | 15.2 | 14.7 | 14.8 | 14.6 | 15.5 | 16.1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 23 | 20 | 23 | 25 | 27 | 26 | 27 | 25 | 24 | 25 | 25 | 25 |
| Days with high ≥ 90°F (days) | 2 | 2 | 4 | 5 | 6 | 6 | 11 | 17 | 17 | 17 | 11 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 23 | 20 | 23 | 25 | 27 | 26 |
| Days with high ≥ 90°F (days) | 2 | 2 | 4 | 5 | 6 | 6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 27 | 25 | 24 | 25 | 25 | 25 |
| Days with high ≥ 90°F (days) | 11 | 17 | 17 | 17 | 11 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 73 | 72 | 74 | 73 | 72 | 72 | 70 | 71 | 72 | 72 | 74 |
| Relative humidity (%) | 79 | 79 | 80 | 81 | 83 | 83 | 82 | 81 | 81 | 81 | 81 | 80 |
| Wind speed (mph) | 14.3 | 14.5 | 13.8 | 12.8 | 11.3 | 10.3 | 8.4 | 7.7 | 7.8 | 8.0 | 9.8 | 13.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 73 | 72 | 74 | 73 | 72 |
| Relative humidity (%) | 79 | 79 | 80 | 81 | 83 | 83 |
| Wind speed (mph) | 14.3 | 14.5 | 13.8 | 12.8 | 11.3 | 10.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 70 | 71 | 72 | 72 | 74 |
| Relative humidity (%) | 82 | 81 | 81 | 81 | 81 | 80 |
| Wind speed (mph) | 8.4 | 7.7 | 7.8 | 8.0 | 9.8 | 13.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Pohnpei Wso, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.