Climate Overview
The climate in Otzoloapan is warm and mild. The average annual temperature is 20°C and approximately 2273mm of precipitation falls per year. August is the wettest month, receiving around 519mm of rainfall. Otzoloapan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, December, February, when temperatures can drop to 10°C.
Temperature
Temperatures in Otzoloapan vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is April, when average highs reach 31°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 10°C and an average of 17°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.
Precipitation
Otzoloapan is a very wet location, receiving approximately 2273mm of precipitation annually, which averages out to around 189mm per month. The wettest month is August, averaging 519mm of rainfall. September and July also tend to see above-average precipitation. The driest month is April, with just 3mm. That's 516mm less than August, 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.
Wind
Otzoloapan 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 September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.
Seasons
84 days until Summer
It is currently spring in Otzoloapan, which began on March 20, 2026. Otzoloapan 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 April at around 31°C, while the coldest stretch bottoms out in January near 10°C. Summer is next, beginning on June 21, 2026 — 84 days from now.
Spring
Temperatures range from 13 to 31°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 16 to 27°C. Rainfall is heavy, totalling around 1318mm across the season with a monthly average of 439mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 13 to 26°C. Rainfall is heavy, totalling around 840mm across the season with a monthly average of 280mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 27°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Otzoloapan is during January, February, March, April, May, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 27mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Otzoloapan 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.
