Climate Insights for Guadalajara

The climate in Guadalajara is warm and mild. The average annual temperature is 21°C and approximately 866mm of precipitation falls per year. July is the wettest month, receiving around 225mm of rainfall. Guadalajara 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 10°C.

Temperatures in Guadalajara 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 33°C and the mean temperature sits around 25°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 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.

Guadalajara is a moderately rainy area, receiving approximately 866mm of precipitation annually, which averages out to around 72mm per month. The wettest month is July, averaging 225mm of rainfall. August and September also tend to see above-average precipitation. The driest month is April, with just 2mm. That's 223mm 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.

Guadalajara is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.

It is currently spring in Guadalajara, which began on March 20, 2026. Guadalajara 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 33°C, while the coldest stretch bottoms out in January near 10°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Guadalajara 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 20°C with modest rainfall averaging 18mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Guadalajara 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.