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Zacapa, Guatemala climate
Aw Tropical savanna (dry winter)
Zacapa has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 91°F, while the coldest is January averaging around 63°F at night. Precipitation totals about 42 inches a year and is strongly seasonal — September alone averages 8.7 inches while January barely receives 0.04 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)Zacapa climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 87 | 89 | 91 | 90 | 86 | 87 | 87 | 86 | 84 | 82 | 83 |
| Avg temp (°F) | 73 | 75 | 77 | 80 | 79 | 77 | 77 | 77 | 77 | 76 | 74 | 73 |
| Avg low (°F) | 63 | 63 | 65 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 65 | 63 |
| Precipitation (in) | 0.0 | 0.1 | 0.2 | 1.3 | 4.8 | 7.7 | 6.0 | 6.8 | 8.7 | 5.2 | 1.3 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 87 | 89 | 91 | 90 | 86 |
| Avg temp (°F) | 73 | 75 | 77 | 80 | 79 | 77 |
| Avg low (°F) | 63 | 63 | 65 | 68 | 68 | 68 |
| Precipitation (in) | 0.0 | 0.1 | 0.2 | 1.3 | 4.8 | 7.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 86 | 84 | 82 | 83 |
| Avg temp (°F) | 77 | 77 | 77 | 76 | 74 | 73 |
| Avg low (°F) | 68 | 68 | 67 | 67 | 65 | 63 |
| Precipitation (in) | 6.0 | 6.8 | 8.7 | 5.2 | 1.3 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 34 | 35 | 47 | 68 | 76 | 68 | 70 | 75 | 67 | 48 | 38 |
| Relative humidity (%) | 77 | 70 | 64 | 62 | 71 | 81 | 82 | 83 | 86 | 86 | 85 | 82 |
| Wind speed (mph) | 6.2 | 6.0 | 5.9 | 5.0 | 3.8 | 3.1 | 3.6 | 3.2 | 2.8 | 3.7 | 5.7 | 5.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 34 | 35 | 47 | 68 | 76 |
| Relative humidity (%) | 77 | 70 | 64 | 62 | 71 | 81 |
| Wind speed (mph) | 6.2 | 6.0 | 5.9 | 5.0 | 3.8 | 3.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 70 | 75 | 67 | 48 | 38 |
| Relative humidity (%) | 82 | 83 | 86 | 86 | 85 | 82 |
| Wind speed (mph) | 3.6 | 3.2 | 2.8 | 3.7 | 5.7 | 5.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Nueva Ocotepeque, a weather station, about 69 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.