Climate Insights for Atotonilco el Bajo

The climate in Atotonilco el Bajo is warm and mild. The average annual temperature is 20°C and approximately 663mm of precipitation falls per year. July is the wettest month, receiving around 147mm of rainfall. Atotonilco el Bajo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 9°C.

Temperatures in Atotonilco el Bajo vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is May, when average highs reach 32°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 9°C and an average of 16°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 2°C shift in average temperatures.

Atotonilco el Bajo is a relatively dry area, receiving approximately 663mm of precipitation annually, which averages out to around 55mm per month. The wettest month is July, averaging 147mm of rainfall. August and September also tend to see above-average precipitation. The driest month is April, with just 3mm. That's 145mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Atotonilco el Bajo is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

It is currently spring in Atotonilco el Bajo, which began on March 20, 2026. Atotonilco el Bajo is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 32°C, while the coldest stretch bottoms out in January near 9°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Atotonilco el Bajo is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 20mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Atotonilco el Bajo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.