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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 29°C, while the coldest is January averaging around 24°C at night. Around 2217 mm of precipitation falls each year, peaking in June (340 mm) and easing off in September (99 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)Anna Regina climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 28 |
| Avg temp (°C) | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 |
| Avg low (°C) | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 |
| Precipitation (mm) | 181 | 118 | 100 | 129 | 247 | 340 | 264 | 172 | 99 | 120 | 210 | 237 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 29 | 29 | 29 | 28 |
| Avg temp (°C) | 26 | 26 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 24 | 24 | 25 | 25 | 25 | 25 |
| Precipitation (mm) | 181 | 118 | 100 | 129 | 247 | 340 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 29 | 29 | 29 | 29 | 28 |
| Avg temp (°C) | 27 | 27 | 27 | 28 | 27 | 27 |
| Avg low (°C) | 25 | 25 | 26 | 26 | 26 | 25 |
| Precipitation (mm) | 264 | 172 | 99 | 120 | 210 | 237 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | — | — | — | — | — | 0.0 | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (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 (km/h) | 12.2 | 12.8 | 12.7 | 12.7 | 12.1 | 10.9 | 9.2 | 8.9 | 9.4 | 9.8 | 10.5 | 11.8 |
| 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 (km/h) | 12.2 | 12.8 | 12.7 | 12.7 | 12.1 | 10.9 |
| 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 (km/h) | 9.2 | 8.9 | 9.4 | 9.8 | 10.5 | 11.8 |
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.