Climate averages 1991–2020
Santa Lucía Cotzumalguapa weather
in August.
A warm, very wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Santa Lucía Cotzumalguapa: daytime highs average 27.4°C and nights cool to about 19.7°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 294 mm of rain on roughly 29 days, which makes August a very wet month (the 9th 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 Escuintla (26 km away). In August its highs average 28.4°C, 1.0°C warmer than Santa Lucía Cotzumalguapa, with 358 mm of rain.
Among the 23 cities listed in Guatemala, Santa Lucía Cotzumalguapa ranks 8th of 23 for the warmest August highs and 16th of 23 for the driest August (rainfall, lowest first). The mean August high of those 23 cities is 25.2°C; Santa Lucía Cotzumalguapa is 2.2°C warmer than that mean.
From August to September, average highs fall by 0.8°C to 26.6°C, and monthly rainfall rises from 294 mm to 374 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
Santa Lucía Cotzumalguapa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C18.0°C | 18.0°C | 7.7 | 2.3 | 11.411 h |
| February | 30.4°C18.4°C | 18.4°C | 6.4 | 1.9 | 11.712 h |
| March | 30.9°C19.3°C | 19.3°C | 18 | 5.5 | 12.012 h |
| April | 30.5°C20.2°C | 20.2°C | 58 | 12.5 | 12.412 h |
| May | 28.4°C20.5°C | 20.5°C | 248 | 26.0 | 12.813 h |
| June | 27.1°C20.0°C | 20.0°C | 336 | 28.5 | 13.013 h |
| July | 27.6°C19.6°C | 19.6°C | 256 | 28.1 | 12.913 h |
| August, selected | 27.4°C19.7°C | 19.7°C | 294 | 29.3 | 12.613 h |
| September | 26.6°C19.5°C | 19.5°C | 374 | 29.4 | 12.212 h |
| October | 26.5°C19.1°C | 19.1°C | 336 | 27.6 | 11.812 h |
| November | 27.3°C18.5°C | 18.5°C | 101 | 15.6 | 11.511 h |
| December | 28.4°C18.0°C | 18.0°C | 17 | 4.5 | 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
- Escuintla in AugustGuatemala · 26 kmHigh 28.4°C · Low 19.8°C · 358 mm rain
- Chimaltenango in AugustGuatemala · 42 kmHigh 23.0°C · Low 14.9°C · 136 mm rain
- Villa Nueva in AugustGuatemala · 52 kmHigh 25.5°C · Low 16.8°C · 227 mm rain
- Villa Canales in AugustGuatemala · 55 kmHigh 26.0°C · Low 17.2°C · 227 mm rain
- Mazatenango in AugustGuatemala · 56 kmHigh 27.7°C · Low 20.9°C · 452 mm rain
- San Juan Sacatepéquez in AugustGuatemala · 59 kmHigh 23.5°C · Low 13.6°C · 136 mm rain
- Santa Catarina Pinula in AugustGuatemala · 62 kmHigh 24.7°C · Low 15.4°C · 227 mm rain
- Chichicastenango in AugustGuatemala · 68 kmHigh 21.2°C · Low 13.8°C · 189 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 Santa Lucía Cotzumalguapa) is explained once on the Santa Lucía Cotzumalguapa year overview and on the Sources, method and limits page.