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Anna Regina, Guyana climate
Af Tropical rainforest
Anna Regina has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is October with an average daily high near 85°F, while the coldest is January averaging around 76°F at night. Around 87 inches of precipitation falls each year, peaking in June (13.4 inches) and easing off in September (3.9 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)Anna Regina climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 83 | 84 | 85 | 84 | 82 | 83 | 84 | 85 | 85 | 84 | 83 |
| Avg temp (°F) | 79 | 79 | 80 | 81 | 81 | 80 | 80 | 81 | 81 | 82 | 81 | 80 |
| Avg low (°F) | 76 | 76 | 76 | 77 | 78 | 77 | 77 | 78 | 78 | 79 | 78 | 77 |
| Precipitation (in) | 7.1 | 4.6 | 4.0 | 5.1 | 9.7 | 13.4 | 10.4 | 6.8 | 3.9 | 4.7 | 8.3 | 9.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 83 | 84 | 85 | 84 | 82 |
| Avg temp (°F) | 79 | 79 | 80 | 81 | 81 | 80 |
| Avg low (°F) | 76 | 76 | 76 | 77 | 78 | 77 |
| Precipitation (in) | 7.1 | 4.6 | 4.0 | 5.1 | 9.7 | 13.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 84 | 85 | 85 | 84 | 83 |
| Avg temp (°F) | 80 | 81 | 81 | 82 | 81 | 80 |
| Avg low (°F) | 77 | 78 | 78 | 79 | 78 | 77 |
| Precipitation (in) | 10.4 | 6.8 | 3.9 | 4.7 | 8.3 | 9.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | — | — | — | — | — | 0.0 | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | — | — | — | 0.0 | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 58 | 58 | 61 | 68 | 68 | 56 | 48 | 48 | 58 | 63 | 61 |
| Relative humidity (%) | 80 | 78 | 77 | 78 | 82 | 86 | 85 | 84 | 82 | 82 | 83 | 82 |
| Wind speed (mph) | 7.6 | 8.0 | 7.9 | 7.9 | 7.5 | 6.8 | 5.7 | 5.5 | 5.8 | 6.1 | 6.6 | 7.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 58 | 58 | 61 | 68 | 68 |
| Relative humidity (%) | 80 | 78 | 77 | 78 | 82 | 86 |
| Wind speed (mph) | 7.6 | 8.0 | 7.9 | 7.9 | 7.5 | 6.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 48 | 48 | 58 | 63 | 61 |
| Relative humidity (%) | 85 | 84 | 82 | 82 | 83 | 82 |
| Wind speed (mph) | 5.7 | 5.5 | 5.8 | 6.1 | 6.6 | 7.3 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
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.