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Mazatenango, Guatemala climate
Aw Tropical savanna (dry winter)
Mazatenango has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is April with an average daily high near 94°F, while the coldest is January averaging around 67°F at night. Precipitation totals about 45 inches a year and is strongly seasonal — September alone averages 9.8 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)Mazatenango climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 92 | 93 | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 92 | 92 | 92 |
| Avg temp (°F) | 80 | 80 | 81 | 82 | 82 | 81 | 81 | 82 | 81 | 81 | 81 | 80 |
| Avg low (°F) | 67 | 67 | 68 | 69 | 69 | 69 | 69 | 71 | 70 | 70 | 69 | 68 |
| Precipitation (in) | 0.0 | 0.0 | 0.6 | 1.0 | 4.6 | 8.6 | 5.7 | 6.6 | 9.8 | 6.2 | 1.2 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 92 | 93 | 94 | 94 | 94 | 93 |
| Avg temp (°F) | 80 | 80 | 81 | 82 | 82 | 81 |
| Avg low (°F) | 67 | 67 | 68 | 69 | 69 | 69 |
| Precipitation (in) | 0.0 | 0.0 | 0.6 | 1.0 | 4.6 | 8.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 93 | 93 | 92 | 92 | 92 | 92 |
| Avg temp (°F) | 81 | 82 | 81 | 81 | 81 | 80 |
| Avg low (°F) | 69 | 71 | 70 | 70 | 69 | 68 |
| Precipitation (in) | 5.7 | 6.6 | 9.8 | 6.2 | 1.2 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 24 | 27 | 33 | 46 | 68 | 78 | 72 | 75 | 81 | 67 | 40 | 26 |
| Relative humidity (%) | 74 | 71 | 68 | 70 | 78 | 83 | 82 | 83 | 86 | 86 | 81 | 77 |
| Wind speed (mph) | 2.9 | 3.1 | 3.5 | 3.7 | 3.7 | 3.8 | 3.4 | 3.6 | 3.9 | 3.7 | 3.0 | 2.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 24 | 27 | 33 | 46 | 68 | 78 |
| Relative humidity (%) | 74 | 71 | 68 | 70 | 78 | 83 |
| Wind speed (mph) | 2.9 | 3.1 | 3.5 | 3.7 | 3.7 | 3.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 75 | 81 | 67 | 40 | 26 |
| Relative humidity (%) | 82 | 83 | 86 | 86 | 81 | 77 |
| Wind speed (mph) | 3.4 | 3.6 | 3.9 | 3.7 | 3.0 | 2.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Ignacio Lopez Rayon, about 74 km from the city centre.
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.