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Ouesso, Republic of the Congo climate
Ouesso has a remarkably steady tropical climate. The hottest month is March with an average daily high near 91°F, while the coldest is July averaging around 69°F at night. Precipitation is fairly even year-round, totalling about 25 inches.
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Summers
Hot
Highs near 91°F in March.
About 77 days a year above 90 °F
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Winters
Mild
Lows near 69°F in July.
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Rain
Moderate rainfall
About 25 in of rain a year.
Wettest in September
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Sky & trend
Often cloudy
Cloudy skies much of the year.
+2.1 °F vs 50 years ago
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)Ouesso climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 91 | 91 | 92 | 90 | 88 | 86 | 87 | 88 | 89 | 89 | 89 |
| Avg temp (°F) | 80 | 80 | 81 | 81 | 80 | 79 | 77 | 78 | 78 | 79 | 80 | 78 |
| Avg low (°F) | 67 | 68 | 71 | 70 | 69 | 70 | 69 | 69 | 68 | 68 | 69 | 68 |
| Precipitation (in) | — | — | — | — | — | — | — | 11.2 | 13.3 | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 91 | 91 | 92 | 90 | 88 |
| Avg temp (°F) | 80 | 80 | 81 | 81 | 80 | 79 |
| Avg low (°F) | 67 | 68 | 71 | 70 | 69 | 70 |
| Precipitation (in) | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 87 | 88 | 89 | 89 | 89 |
| Avg temp (°F) | 77 | 78 | 78 | 79 | 80 | 78 |
| Avg low (°F) | 69 | 69 | 68 | 68 | 69 | 68 |
| Precipitation (in) | — | 11.2 | 13.3 | — | — | — |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1 | 2 | 4 | 5 | 5 | 5 | 4 | 5 | 6 | 7 | 6 | 2 |
| Days with high ≥ 90°F (days) | 7 | 10 | 10 | 10 | 9 | 5 | 2 | 3 | 5 | 6 | 5 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1 | 2 | 4 | 5 | 5 | 5 |
| Days with high ≥ 90°F (days) | 7 | 10 | 10 | 10 | 9 | 5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 5 | 6 | 7 | 6 | 2 |
| Days with high ≥ 90°F (days) | 2 | 3 | 5 | 6 | 5 | 5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 71 | 72 | 73 | 70 | 70 | 70 | 76 | 76 | 78 | 74 | 66 |
| Relative humidity (%) | 74 | 74 | 79 | 83 | 83 | 82 | 81 | 82 | 86 | 88 | 86 | 82 |
| Wind speed (mph) | 0.4 | 0.3 | 0.2 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 71 | 72 | 73 | 70 | 70 |
| Relative humidity (%) | 74 | 74 | 79 | 83 | 83 | 82 |
| Wind speed (mph) | 0.4 | 0.3 | 0.2 | 0.3 | 0.3 | 0.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 76 | 76 | 78 | 74 | 66 |
| Relative humidity (%) | 81 | 82 | 86 | 88 | 86 | 82 |
| Wind speed (mph) | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 6 years of daily observations at Ouesso, a weather station, inside the city. 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.