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Ruyigi, Burundi climate
Cwb Subtropical highland (dry winter)
Ruyigi has a remarkably steady warm-temperate climate (Subtropical highland (dry winter), Köppen Cwb). The hottest month is September with an average daily high near 27°C, while the coldest is July averaging around 11°C at night. Precipitation totals about 1038 mm a year and is strongly seasonal — April alone averages 162 mm while July barely receives 2 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)Ruyigi climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 25 | 25 |
| Avg temp (°C) | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 19 | 21 | 21 | 20 | 20 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 14 | 12 | 11 | 12 | 14 | 15 | 15 | 15 |
| Precipitation (mm) | 129 | 112 | 142 | 162 | 61 | 7 | 2 | 9 | 26 | 92 | 147 | 150 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 26 | 25 | 24 | 24 | 24 |
| Avg temp (°C) | 20 | 20 | 20 | 20 | 19 | 18 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 14 | 12 |
| Precipitation (mm) | 129 | 112 | 142 | 162 | 61 | 7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 26 | 27 | 27 | 25 | 25 |
| Avg temp (°C) | 18 | 19 | 21 | 21 | 20 | 20 |
| Avg low (°C) | 11 | 12 | 14 | 15 | 15 | 15 |
| Precipitation (mm) | 2 | 9 | 26 | 92 | 147 | 150 |
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 | — | — | — | — | — | — | — | — | — | — |
| 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) | — | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 78 | 79 | 81 | 68 | 46 | 36 | 48 | 65 | 78 | 84 | 82 |
| Relative humidity (%) | 79 | 78 | 81 | 84 | 80 | 74 | 68 | 63 | 62 | 70 | 79 | 80 |
| Wind speed (mph) | 0.9 | 1.0 | 1.1 | 1.2 | 1.3 | 1.5 | 1.8 | 2.1 | 2.1 | 1.7 | 1.2 | 1.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 78 | 79 | 81 | 68 | 46 |
| Relative humidity (%) | 79 | 78 | 81 | 84 | 80 | 74 |
| Wind speed (mph) | 0.9 | 1.0 | 1.1 | 1.2 | 1.3 | 1.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 48 | 65 | 78 | 84 | 82 |
| Relative humidity (%) | 68 | 63 | 62 | 70 | 79 | 80 |
| Wind speed (mph) | 1.8 | 2.1 | 2.1 | 1.7 | 1.2 | 1.0 |
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.