Guadalajara, Mexico Climate & Monthly Averages
Guadalajara has a humid subtropical climate. May is the hottest month, averaging 92° by day; January is the coldest at 77°.
Rain, not cold, divides the year in 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.
The wet-and-dry rhythm at a glance
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.
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.
More climate facts for Guadalajara
- 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%
Choosing the right part of the year in Guadalajara
Choose dates by rain, not just temperature
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.
What the humidity changes
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.
Warm all year: the monthly rain pattern
Each card shows the average high and low. The bar places that month between Guadalajara's coldest night and warmest afternoon.
January
- Rain
- 2 days
- Sunshine
- 10.0 h
- Daylight
- 11.0 h
February
- Rain
- 2 days
- Sunshine
- 10.6 h
- Daylight
- 11.4 h
March
- Rain
- 2 days
- Sunshine
- 11.7 h
- Daylight
- 12.0 h
April
- Rain
- 1 day
- Sunshine
- 11.9 h
- Daylight
- 12.6 h
May
- Rain
- 3 days
- Sunshine
- 12.3 h
- Daylight
- 13.1 h
June
- Rain
- 15 days
- Sunshine
- 11.2 h
- Daylight
- 13.4 h
July
- Rain
- 23 days
- Sunshine
- 10.5 h
- Daylight
- 13.3 h
August
- Rain
- 22 days
- Sunshine
- 10.5 h
- Daylight
- 12.8 h
September
- Rain
- 17 days
- Sunshine
- 10.4 h
- Daylight
- 12.2 h
October
- Rain
- 8 days
- Sunshine
- 10.2 h
- Daylight
- 11.6 h
November
- Rain
- 3 days
- Sunshine
- 10.3 h
- Daylight
- 11.1 h
December
- Rain
- 2 days
- Sunshine
- 9.9 h
- Daylight
- 10.9 h
Looking for warmer alternatives? Browse warm places by month, or compare Guadalajara's coolest part of the year: December, January, November.
Monthly temperature and rain table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 77° | 50° | 2 | 0.2 in | 10.0 h/day | 11.0 h | 5% | 48% |
| February | 80° | 52° | 2 | 0.5 in | 10.6 h/day | 11.4 h | 7% | 46% |
| March | 85° | 55° | 2 | 0.5 in | 11.7 h/day | 12.0 h | 6% | 38% |
| April | 90° | 59° | 1 | 0.1 in | 11.9 h/day | 12.6 h | 3% | 33% |
| May | 92° | 62° | 3 | 0.5 in | 12.3 h/day | 13.1 h | 9% | 39% |
| June | 87° | 64° | 15 | 4.2 in | 11.2 h/day | 13.4 h | 50% | 61% |
| July | 80° | 62° | 23 | 6.5 in | 10.5 h/day | 13.3 h | 75% | 77% |
| August | 80° | 62° | 22 | 5.7 in | 10.5 h/day | 12.8 h | 71% | 76% |
| September | 80° | 62° | 17 | 4.8 in | 10.4 h/day | 12.2 h | 57% | 76% |
| October | 80° | 59° | 8 | 1.8 in | 10.2 h/day | 11.6 h | 26% | 66% |
| November | 79° | 55° | 3 | 0.8 in | 10.3 h/day | 11.1 h | 9% | 56% |
| December | 76° | 51° | 2 | 0.6 in | 9.9 h/day | 10.9 h | 6% | 53% |
How Guadalajara compares for rain and warmth
- 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.
These comparisons use the same ten-year window for every city in the dataset.
How the calendar changes in warm-weather Guadalajara
Spring (March through May)
Through spring, Guadalajara sits firmly in the heat: 89°F (32°C) by day, 59°F (15°C) after dark, and precipitation is sparse, near 1.1 inches (27 mm) for the season. Daylight is generous - around 12.0 hours of sun a day.
Summer (June through August)
Summer in Guadalajara brings hot afternoons, with daytime highs averaging 82°F (28°C) and nights around 63°F (17°C); rain falls on around 60 of the 90 days. Daylight is generous - around 10.7 hours of sun a day.
Fall (September through November)
Through fall, Guadalajara settles into easy warmth: 80°F (26°C) by day, 59°F (15°C) after dark, and expect showers on roughly 28 days across the season. Daylight is generous - around 10.3 hours of sun a day.
Winter (December through February)
Winter is mild and warm here - highs near 78°F (25°C), nights near 51°F (11°C), and precipitation is sparse, near 1.3 inches (32 mm) for the season. Daylight is generous - around 10.2 hours of sun a day.
Questions about heat and rain in Guadalajara
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Guadalajara temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.