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Siguiri, Guinea climate
Aw Tropical savanna (dry winter)
Siguiri has a mildly seasonal tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 103°F, while the coldest is January averaging around 63°F at night. Precipitation totals about 38 inches a year and is strongly seasonal — August alone averages 9.8 inches while December barely receives 0.00 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)Siguiri climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 96 | 101 | 103 | 100 | 95 | 89 | 87 | 90 | 94 | 96 | 92 |
| Avg temp (°F) | 77 | 82 | 87 | 90 | 89 | 85 | 80 | 79 | 80 | 82 | 80 | 77 |
| Avg low (°F) | 63 | 68 | 74 | 78 | 78 | 74 | 72 | 71 | 71 | 70 | 65 | 62 |
| Precipitation (in) | 0.7 | 0.1 | 0.1 | 1.1 | 3.2 | 5.3 | 9.2 | 9.8 | 6.7 | 2.0 | 0.3 | 0.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 96 | 101 | 103 | 100 | 95 |
| Avg temp (°F) | 77 | 82 | 87 | 90 | 89 | 85 |
| Avg low (°F) | 63 | 68 | 74 | 78 | 78 | 74 |
| Precipitation (in) | 0.7 | 0.1 | 0.1 | 1.1 | 3.2 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 89 | 87 | 90 | 94 | 96 | 92 |
| Avg temp (°F) | 80 | 79 | 80 | 82 | 80 | 77 |
| Avg low (°F) | 72 | 71 | 71 | 70 | 65 | 62 |
| Precipitation (in) | 9.2 | 9.8 | 6.7 | 2.0 | 0.3 | 0.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 32 | 28 | 40 | 56 | 65 | 57 | 65 | 69 | 59 | 49 | 33 | 30 |
| Relative humidity (%) | 22 | 18 | 19 | 30 | 46 | 63 | 77 | 84 | 82 | 68 | 40 | 28 |
| Wind speed (mph) | 6.7 | 6.8 | 6.2 | 5.5 | 5.5 | 4.7 | 4.0 | 3.7 | 3.1 | 3.2 | 4.5 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 32 | 28 | 40 | 56 | 65 | 57 |
| Relative humidity (%) | 22 | 18 | 19 | 30 | 46 | 63 |
| Wind speed (mph) | 6.7 | 6.8 | 6.2 | 5.5 | 5.5 | 4.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 69 | 59 | 49 | 33 | 30 |
| Relative humidity (%) | 77 | 84 | 82 | 68 | 40 | 28 |
| Wind speed (mph) | 4.0 | 3.7 | 3.1 | 3.2 | 4.5 | 6.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Senou / President Modibo Keita, a weather station, about 181 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.