Guadalajara, Mexico Climate & Monthly Averages

The climate of Guadalajara

Guadalajara's year is organised around rain rather than temperature. 65% of its 26.0 inches (662 mm) annual total arrives in the July to September window, while April averages 2 mm (0.1 in). Temperatures move far less: 92°F (33°C) at the year's warmest against 77°F (25°C) at its coolest.

Climate quick facts

• Hottest month: May - highs near 92°F (33°C)
• Coldest month: January - highs near 77°F (25°C)
• Decade extremes (2015-2024): 103°F (39°C) high · 35°F (2°C) low
• Wettest month: July (23 rainy days) · Sunniest: May (12.3 h sun/day)
• Climate type: humid subtropical
• Annual swing: 8°C between the average warmest and coolest month · day to night: 14°C
• Months averaging 30°C or hotter: 3
• Average humidity: 56%

Temperatures through the year

January is the coolest month, with highs of 77°F (25°C) and lows near 50°F (10°C). At its warmest, in May, Guadalajara runs to 92°F (33°C) in the afternoon and back to 62°F (17°C) by dawn. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 103°F (39°C) and the lowest daily minimum 35°F (2°C). Between the average May and the average January lie 8°C, a narrower spread than about 80% of the cities we track.

Rain, sun and snow

Average highs hold at or above 30°C for 3 months of the year, April through June being the unbroken run. 6 months average under 20 mm of rain, the longest unbroken stretch running December through May. Five of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is October through February. Sunshine averages 10.8 hours a day over the year - sunnier than 91% of the 3496 cities in our dataset, peaking in May at 12.3 hours.

How Guadalajara compares

• Afternoons run 14°C above the following night - a bigger day-to-night gap than 97% of the 3496 cities we track.
• 65% of the year's precipitation falls in its wettest three months - more seasonal than 95% of the 3496 cities we track.
• Relative humidity averages 56% - drier than all but 10% of the 3496 cities we track.

Ranked against every city in our dataset, each measured on the same ten-year window.

Best time to visit Guadalajara

Aim for November to February if you get the choice: the rains have stopped and the heat has not yet peaked, and highs average 78°F (26°C) against roughly 2 wet days a month. For the same question asked the other way round, see where else is warm in November.

Pack for Guadalajara with lightweight, breathable clothing and serious sun protection and a compact umbrella or rain shell. Even in May, lows of 62°F (17°C) make an extra layer worth the space.