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Jabat, Marshall Islands climate
Af Tropical rainforest
Jabat has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is September with an average daily high near 87°F, while the coldest is January averaging around 78°F at night. Around 96 inches of precipitation falls each year, peaking in October (12.3 inches) and easing off in February (4.0 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)Jabat climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 86 |
| Avg temp (°F) | 82 | 82 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 82 |
| Avg low (°F) | 78 | 78 | 79 | 79 | 79 | 79 | 78 | 79 | 79 | 79 | 78 | 79 |
| Precipitation (in) | 4.5 | 4.0 | 4.6 | 7.0 | 7.6 | 7.8 | 9.6 | 10.7 | 10.4 | 12.3 | 10.8 | 7.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 86 | 87 | 87 | 87 | 87 |
| Avg temp (°F) | 82 | 82 | 83 | 83 | 83 | 83 |
| Avg low (°F) | 78 | 78 | 79 | 79 | 79 | 79 |
| Precipitation (in) | 4.5 | 4.0 | 4.6 | 7.0 | 7.6 | 7.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 87 | 87 | 87 | 86 |
| Avg temp (°F) | 83 | 83 | 83 | 83 | 83 | 82 |
| Avg low (°F) | 78 | 79 | 79 | 79 | 78 | 79 |
| Precipitation (in) | 9.6 | 10.7 | 10.4 | 12.3 | 10.8 | 7.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 14 | 16 | 17 | 20 | 22 | 24 | 24 | 22 | 25 | 23 | 20 |
| Days with high ≥ 90°F (days) | — | 0.0 | 0.1 | 0.3 | 0.4 | 0.6 | 1.0 | 1 | 2 | 2 | 0.7 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 14 | 16 | 17 | 20 | 22 |
| Days with high ≥ 90°F (days) | — | 0.0 | 0.1 | 0.3 | 0.4 | 0.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 24 | 24 | 22 | 25 | 23 | 20 |
| Days with high ≥ 90°F (days) | 1.0 | 1 | 2 | 2 | 0.7 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 69 | 66 | 70 | 70 | 70 | 73 | 72 | 73 | 77 | 75 | 70 |
| Relative humidity (%) | 78 | 78 | 79 | 80 | 82 | 82 | 82 | 82 | 82 | 82 | 81 | 79 |
| Wind speed (mph) | 15.7 | 15.7 | 15.3 | 14.7 | 13.5 | 12.5 | 10.5 | 8.7 | 8.6 | 9.1 | 11.8 | 15.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 69 | 66 | 70 | 70 | 70 |
| Relative humidity (%) | 78 | 78 | 79 | 80 | 82 | 82 |
| Wind speed (mph) | 15.7 | 15.7 | 15.3 | 14.7 | 13.5 | 12.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 73 | 77 | 75 | 70 |
| Relative humidity (%) | 82 | 82 | 82 | 82 | 81 | 79 |
| Wind speed (mph) | 10.5 | 8.7 | 8.6 | 9.1 | 11.8 | 15.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Kwajalein, a weather station, about 175 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.