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Isangel, Vanuatu climate
Aw Tropical savanna (dry winter)
Isangel has a remarkably steady warm-temperate climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is February with an average daily high near 31°C, while the coldest is August averaging around 17°C at night. Precipitation totals about 991 mm a year and is strongly seasonal — March alone averages 250 mm while October barely receives 11 mm.
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)Isangel climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 30 | 29 | 28 | 27 | 26 | 26 | 27 | 28 | 29 | 30 |
| Avg temp (°C) | 26 | 26 | 26 | 25 | 23 | 22 | 21 | 21 | 22 | 23 | 24 | 25 |
| Avg low (°C) | 22 | 22 | 22 | 21 | 19 | 18 | 17 | 17 | 17 | 18 | 19 | 21 |
| Precipitation (mm) | 155 | 149 | 250 | 98 | 58 | 82 | 46 | 27 | 14 | 11 | 54 | 45 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 30 | 29 | 28 | 27 |
| Avg temp (°C) | 26 | 26 | 26 | 25 | 23 | 22 |
| Avg low (°C) | 22 | 22 | 22 | 21 | 19 | 18 |
| Precipitation (mm) | 155 | 149 | 250 | 98 | 58 | 82 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 27 | 28 | 29 | 30 |
| Avg temp (°C) | 21 | 21 | 22 | 23 | 24 | 25 |
| Avg low (°C) | 17 | 17 | 17 | 18 | 19 | 21 |
| Precipitation (mm) | 46 | 27 | 14 | 11 | 54 | 45 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 11 | 13 | 10 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 7 |
| Days with high ≥ 32°C (days) | 2 | 4 | 3 | 0.8 | — | — | — | — | — | 0.1 | 0.2 | 0.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 11 | 13 | 10 | 8 | 7 |
| Days with high ≥ 32°C (days) | 2 | 4 | 3 | 0.8 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 5 | 5 | 5 | 7 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.2 | 0.8 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 62 | 65 | 65 | 65 | 66 | 64 | 62 | 57 | 57 | 58 | 57 |
| Relative humidity (%) | 80 | 81 | 82 | 80 | 78 | 78 | 76 | 76 | 77 | 78 | 79 | 79 |
| Wind speed (mph) | 11.9 | 11.5 | 11.7 | 12.7 | 12.8 | 13.1 | 12.8 | 12.7 | 12.4 | 12.7 | 12.2 | 11.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 62 | 65 | 65 | 65 | 66 |
| Relative humidity (%) | 80 | 81 | 82 | 80 | 78 | 78 |
| Wind speed (mph) | 11.9 | 11.5 | 11.7 | 12.7 | 12.8 | 13.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 62 | 57 | 57 | 58 | 57 |
| Relative humidity (%) | 76 | 76 | 77 | 78 | 79 | 79 |
| Wind speed (mph) | 12.8 | 12.7 | 12.4 | 12.7 | 12.2 | 11.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 20 years of daily observations at Tanna, a weather station, about 11 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.