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Colonia, Micronesia climate
Af Tropical rainforest
Colonia has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is May with an average daily high near 89°F, while the coldest is February averaging around 75°F at night. Around 123 inches of precipitation falls each year, peaking in July (14.9 inches) and easing off in March (5.8 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)Colonia climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 88 | 89 | 89 | 89 | 88 | 87 | 88 | 88 | 88 | 87 |
| Avg temp (°F) | 81 | 81 | 81 | 82 | 82 | 82 | 81 | 81 | 81 | 82 | 82 | 81 |
| Avg low (°F) | 75 | 75 | 75 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 7.8 | 5.8 | 5.8 | 6.2 | 9.1 | 12.2 | 14.9 | 14.8 | 14.6 | 12.6 | 9.3 | 10.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 88 | 89 | 89 | 89 |
| Avg temp (°F) | 81 | 81 | 81 | 82 | 82 | 82 |
| Avg low (°F) | 75 | 75 | 75 | 76 | 76 | 75 |
| Precipitation (in) | 7.8 | 5.8 | 5.8 | 6.2 | 9.1 | 12.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 87 | 88 | 88 | 88 | 87 |
| Avg temp (°F) | 81 | 81 | 81 | 82 | 82 | 81 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 14.9 | 14.8 | 14.6 | 12.6 | 9.3 | 10.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 20 | 18 | 17 | 18 | 21 | 24 | 24 | 23 | 23 | 23 | 23 | 22 |
| Days with high ≥ 90°F (days) | 2 | 1 | 4 | 9 | 13 | 10 | 7 | 6 | 6 | 8 | 6 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 20 | 18 | 17 | 18 | 21 | 24 |
| Days with high ≥ 90°F (days) | 2 | 1 | 4 | 9 | 13 | 10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 24 | 23 | 23 | 23 | 23 | 22 |
| Days with high ≥ 90°F (days) | 7 | 6 | 6 | 8 | 6 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 69 | 63 | 60 | 63 | 75 | 80 | 82 | 81 | 71 | 67 | 68 |
| Relative humidity (%) | 80 | 80 | 79 | 80 | 82 | 83 | 83 | 83 | 83 | 82 | 82 | 81 |
| Wind speed (mph) | 14.4 | 14.7 | 13.9 | 12.3 | 10.0 | 9.5 | 9.1 | 9.8 | 9.4 | 8.9 | 11.2 | 13.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 69 | 63 | 60 | 63 | 75 |
| Relative humidity (%) | 80 | 80 | 79 | 80 | 82 | 83 |
| Wind speed (mph) | 14.4 | 14.7 | 13.9 | 12.3 | 10.0 | 9.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 80 | 82 | 81 | 71 | 67 | 68 |
| Relative humidity (%) | 83 | 83 | 83 | 82 | 82 | 81 |
| Wind speed (mph) | 9.1 | 9.8 | 9.4 | 8.9 | 11.2 | 13.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Yap Island Wso AP, a weather station, about 6 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.