Climate averages 1991–2020
Mazatenango weather
in August.
A warm, very wet month: the 8th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Mazatenango: daytime highs average 27.7°C and nights cool to about 20.9°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 452 mm of rain on roughly 31 days, which makes August a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average August day.
The nearest other city in this atlas is Retalhuleu (19 km away). In August its highs average 28.8°C, 1.1°C warmer than Mazatenango, with 361 mm of rain.
Among the 23 cities listed in Guatemala, Mazatenango ranks 7th of 23 for the warmest August highs and 22nd of 23 for the driest August (rainfall, lowest first). The mean August high of those 23 cities is 25.2°C; Mazatenango is 2.5°C warmer than that mean.
From August to September, average highs fall by 0.7°C to 27.1°C, and monthly rainfall rises from 452 mm to 542 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Mazatenango climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C19.2°C | 19.2°C | 22 | 6.0 | 11.411 h |
| February | 30.5°C19.4°C | 19.4°C | 17 | 5.2 | 11.712 h |
| March | 30.8°C20.2°C | 20.2°C | 53 | 10.8 | 12.012 h |
| April | 30.5°C21.0°C | 21.0°C | 133 | 17.9 | 12.512 h |
| May | 28.7°C21.1°C | 21.1°C | 437 | 28.5 | 12.813 h |
| June | 27.5°C20.9°C | 20.9°C | 433 | 29.0 | 13.013 h |
| July | 27.9°C21.0°C | 21.0°C | 366 | 30.1 | 12.913 h |
| August, selected | 27.7°C20.9°C | 20.9°C | 452 | 30.6 | 12.613 h |
| September | 27.1°C20.5°C | 20.5°C | 542 | 29.5 | 12.212 h |
| October | 26.7°C20.3°C | 20.3°C | 541 | 29.8 | 11.812 h |
| November | 27.3°C20.1°C | 20.1°C | 207 | 22.0 | 11.511 h |
| December | 28.2°C19.5°C | 19.5°C | 41 | 9.9 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Retalhuleu in AugustGuatemala · 19 kmHigh 28.8°C · Low 22.2°C · 361 mm rain
- Quetzaltenango in AugustGuatemala · 35 kmHigh 19.5°C · Low 13.7°C · 363 mm rain
- Coatepeque in AugustGuatemala · 43 kmHigh 26.7°C · Low 19.6°C · 555 mm rain
- Totonicapán in AugustGuatemala · 45 kmHigh 19.5°C · Low 12.6°C · 186 mm rain
- Santa Lucía Cotzumalguapa in AugustGuatemala · 56 kmHigh 27.4°C · Low 19.7°C · 294 mm rain
- Chichicastenango in AugustGuatemala · 62 kmHigh 21.2°C · Low 13.8°C · 189 mm rain
- Santa Cruz del Quiché in AugustGuatemala · 67 kmHigh 21.4°C · Low 13.4°C · 186 mm rain
- Malacatán in AugustGuatemala · 73 kmHigh 27.2°C · Low 18.3°C · 381 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Mazatenango) is explained once on the Mazatenango year overview and on the Sources, method and limits page.