Climate Insights for Calexico

The climate in Calexico is warm and mild. The average annual temperature is 25°C and approximately 72mm of precipitation falls per year. Gennaio is the wettest month, receiving around 12mm of rainfall. Calexico is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Dicembre, Gennaio, Febbraio, when temperatures can drop to 10°C.

Temperatures in Calexico vary considerably across the year, with a 33°C difference between the coldest and warmest months. Luglio is the hottest month, with daytime highs reaching 43°C and an average of 36°C. Dicembre is the coolest month, with minimum temperatures around 10°C and an average of 15°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Calexico is a quite dry location, receiving approximately 72mm of precipitation annually, which averages out to around 6mm per month. The wettest month is January, averaging 12mm of rainfall. September and December also tend to see above-average precipitation. The driest month is June, with just 0mm. 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.

Calexico is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently spring in Calexico, which began on March 20, 2026. Calexico 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 Luglio at around 43°C, while the coldest stretch bottoms out in Dicembre near 10°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

The best time to visit Calexico is during Gennaio, Febbraio, Marzo, Aprile and Novembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 7mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 43°C, while Dicembre is the coldest period with lows dropping to 10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Calexico 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.