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Rivas, Nicaragua climate
Aw Tropical savanna (dry winter)
Rivas has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is May with an average daily high near 91°F, while the coldest is November averaging around 70°F at night. Precipitation totals about 66 inches a year and is strongly seasonal — September alone averages 13.8 inches while January 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)Rivas climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 94 | 96 | 97 | 91 | 87 | 88 | 88 | 86 | 88 | 89 | 91 |
| Avg temp (°F) | 82 | 82 | 83 | 84 | 85 | 82 | 82 | 82 | 81 | 80 | 80 | 80 |
| Avg low (°F) | 74 | 69 | 69 | 72 | 78 | 77 | 76 | 76 | 76 | 72 | 70 | 69 |
| Precipitation (in) | 0.0 | 0.0 | 0.0 | 0.4 | 8.5 | 8.1 | 7.8 | 13.6 | 13.8 | 13.4 | 0.0 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 94 | 96 | 97 | 91 | 87 |
| Avg temp (°F) | 82 | 82 | 83 | 84 | 85 | 82 |
| Avg low (°F) | 74 | 69 | 69 | 72 | 78 | 77 |
| Precipitation (in) | 0.0 | 0.0 | 0.0 | 0.4 | 8.5 | 8.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 88 | 86 | 88 | 89 | 91 |
| Avg temp (°F) | 82 | 82 | 81 | 80 | 80 | 80 |
| Avg low (°F) | 76 | 76 | 76 | 72 | 70 | 69 |
| Precipitation (in) | 7.8 | 13.6 | 13.8 | 13.4 | 0.0 | 0.1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.1 | 0.1 | 0.1 | 0.9 | 7 | 9 | 7 | 8 | 11 | 11 | 5 | 1 |
| Days with high ≥ 90°F (days) | 16 | 16 | 17 | 16 | 13 | 10 | 12 | 11 | 8 | 6 | 9 | 15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.1 | 0.1 | 0.1 | 0.9 | 7 | 9 |
| Days with high ≥ 90°F (days) | 16 | 16 | 17 | 16 | 13 | 10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 8 | 11 | 11 | 5 | 1 |
| Days with high ≥ 90°F (days) | 12 | 11 | 8 | 6 | 9 | 15 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 29 | 25 | 28 | 49 | 73 | 80 | 78 | 77 | 80 | 77 | 62 | 41 |
| Relative humidity (%) | 67 | 62 | 58 | 60 | 72 | 81 | 79 | 79 | 83 | 85 | 82 | 75 |
| Wind speed (mph) | 9.6 | 9.8 | 8.8 | 7.0 | 5.4 | 4.7 | 5.5 | 4.9 | 4.3 | 4.8 | 6.0 | 8.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 29 | 25 | 28 | 49 | 73 | 80 |
| Relative humidity (%) | 67 | 62 | 58 | 60 | 72 | 81 |
| Wind speed (mph) | 9.6 | 9.8 | 8.8 | 7.0 | 5.4 | 4.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 77 | 80 | 77 | 62 | 41 |
| Relative humidity (%) | 79 | 79 | 83 | 85 | 82 | 75 |
| Wind speed (mph) | 5.5 | 4.9 | 4.3 | 4.8 | 6.0 | 8.1 |
Methodology & sources
Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
Precipitation — 1991–2020 normals computed from 1 years of daily observations at Liberia, a weather station, about 99 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.