Climate averages 1991–2020
Mazatenango weather
in January.
A hot, fairly dry month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Mazatenango: daytime highs average 29.3°C and nights cool to about 19.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 22 mm of rain on roughly 6 days, which makes January a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 22 min on an average January day.
The nearest other city in this atlas is Retalhuleu (19 km away). In January its highs average 30.0°C, 0.7°C warmer than Mazatenango, with 18 mm of rain.
Among the 23 cities listed in Guatemala, Mazatenango ranks 4th of 23 for the warmest January highs and 17th of 23 for the driest January (rainfall, lowest first). The mean January high of those 23 cities is 24.6°C; Mazatenango is 4.7°C warmer than that mean.
From January to February, average highs rise by 1.2°C to 30.5°C, and monthly rainfall falls from 22 mm to 17 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Retalhuleu in JanuaryGuatemala · 19 kmHigh 30.0°C · Low 20.3°C · 18 mm rain
- Quetzaltenango in JanuaryGuatemala · 35 kmHigh 19.2°C · Low 11.6°C · 30 mm rain
- Coatepeque in JanuaryGuatemala · 43 kmHigh 27.7°C · Low 17.4°C · 49 mm rain
- Totonicapán in JanuaryGuatemala · 45 kmHigh 19.1°C · Low 10.3°C · 8.9 mm rain
- Santa Lucía Cotzumalguapa in JanuaryGuatemala · 56 kmHigh 29.4°C · Low 18.0°C · 7.7 mm rain
- Chichicastenango in JanuaryGuatemala · 62 kmHigh 20.4°C · Low 11.1°C · 7.5 mm rain
- Santa Cruz del Quiché in JanuaryGuatemala · 67 kmHigh 20.3°C · Low 10.3°C · 8.9 mm rain
- Malacatán in JanuaryGuatemala · 73 kmHigh 28.2°C · Low 16.6°C · 30 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.