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Utrik, Marshall Islands climate
Aw Tropical savanna (dry winter)
Utrik has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is September with an average daily high near 83°F, while the coldest is February averaging around 80°F at night. Precipitation totals about 67 inches a year and is strongly seasonal — September alone averages 11.9 inches while February barely receives 1.12 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)Utrik climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 81 | 81 | 81 | 82 | 83 | 83 | 83 | 83 | 83 | 83 | 82 |
| Avg temp (°F) | 81 | 80 | 80 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| Avg low (°F) | 80 | 80 | 80 | 81 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 81 |
| Precipitation (in) | 2.4 | 1.1 | 4.0 | 3.8 | 5.8 | 5.7 | 6.6 | 7.0 | 11.9 | 8.6 | 7.0 | 3.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 81 | 81 | 81 | 82 | 83 |
| Avg temp (°F) | 81 | 80 | 80 | 81 | 82 | 82 |
| Avg low (°F) | 80 | 80 | 80 | 81 | 81 | 82 |
| Precipitation (in) | 2.4 | 1.1 | 4.0 | 3.8 | 5.8 | 5.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 83 | 83 | 83 | 83 | 82 |
| Avg temp (°F) | 82 | 82 | 82 | 82 | 82 | 82 |
| Avg low (°F) | 82 | 82 | 82 | 82 | 82 | 81 |
| Precipitation (in) | 6.6 | 7.0 | 11.9 | 8.6 | 7.0 | 3.0 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 3 | 5 | 5 | 6 | 5 | 7 | 10 | 8 | 11 | 10 | 7 |
| Days with high ≥ 90°F (days) | 3 | 2 | 3 | 5 | 5 | 4 | 3 | 4 | 3 | 3 | 3 | 1 |
| Days with low ≤ 32°F (days) | — | — | — | — | 0.0 | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 3 | 5 | 5 | 6 | 5 |
| Days with high ≥ 90°F (days) | 3 | 2 | 3 | 5 | 5 | 4 |
| Days with low ≤ 32°F (days) | — | — | — | — | 0.0 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 10 | 8 | 11 | 10 | 7 |
| Days with high ≥ 90°F (days) | 3 | 4 | 3 | 3 | 3 | 1 |
| Days with low ≤ 32°F (days) | — | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 56 | 54 | 57 | 59 | 59 | 65 | 67 | 69 | 73 | 65 | 52 |
| Relative humidity (%) | 77 | 77 | 78 | 79 | 80 | 81 | 82 | 82 | 82 | 82 | 81 | 78 |
| Wind speed (mph) | 15.9 | 15.9 | 15.8 | 15.6 | 14.5 | 14.0 | 12.8 | 10.8 | 10.3 | 11.1 | 13.8 | 16.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 56 | 54 | 57 | 59 | 59 |
| Relative humidity (%) | 77 | 77 | 78 | 79 | 80 | 81 |
| Wind speed (mph) | 15.9 | 15.9 | 15.8 | 15.6 | 14.5 | 14.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 67 | 69 | 73 | 65 | 52 |
| Relative humidity (%) | 82 | 82 | 82 | 82 | 81 | 78 |
| Wind speed (mph) | 12.8 | 10.8 | 10.3 | 11.1 | 13.8 | 16.2 |
Methodology & sources
Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
Precipitation — 1991–2020 normals computed from 9 years of daily observations at Utirik, a weather station, inside the city. 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.