Climate averages 1991–2020
Mazatenango weather
in December.
A hot, moderately wet month: the 6th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Mazatenango: daytime highs average 28.2°C and nights cool to about 19.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 41 mm of rain on roughly 10 days, which makes December a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 17 min on an average December day.
The nearest other city in this atlas is Retalhuleu (19 km away). In December its highs average 29.2°C, 0.9°C warmer than Mazatenango, with 27 mm of rain.
Among the 23 cities listed in Guatemala, Mazatenango ranks 4th of 23 for the warmest December highs and 17th of 23 for the driest December (rainfall, lowest first). The mean December high of those 23 cities is 24.1°C; Mazatenango is 4.1°C warmer than that mean.
From December to January, average highs rise by 1.1°C to 29.3°C, and monthly rainfall falls from 41 mm to 22 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Retalhuleu in DecemberGuatemala · 19 kmHigh 29.2°C · Low 20.5°C · 27 mm rain
- Quetzaltenango in DecemberGuatemala · 35 kmHigh 18.9°C · Low 12.0°C · 42 mm rain
- Coatepeque in DecemberGuatemala · 43 kmHigh 27.0°C · Low 17.7°C · 71 mm rain
- Totonicapán in DecemberGuatemala · 45 kmHigh 18.7°C · Low 10.8°C · 17 mm rain
- Santa Lucía Cotzumalguapa in DecemberGuatemala · 56 kmHigh 28.4°C · Low 18.0°C · 17 mm rain
- Chichicastenango in DecemberGuatemala · 62 kmHigh 20.0°C · Low 11.6°C · 13 mm rain
- Santa Cruz del Quiché in DecemberGuatemala · 67 kmHigh 19.9°C · Low 10.9°C · 17 mm rain
- Malacatán in DecemberGuatemala · 73 kmHigh 27.4°C · Low 17.0°C · 42 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.