Weather in León

Rain is rainy season runs from June to September, inside an annual total of 683 mm. The wettest month is July at 174 mm; the driest is April at 4 mm.

León is in Mexico at 21.1°N. The 2001–2020 NASA POWER daily record describes a mild oceanic climate. May is the warmest month (average 22.5°C, high 30.9°C) and January is the coolest (average 14.0°C, low 6.1°C). On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are March, April, and December.

Rain through the year

The rainy season in León starts in June and ends in September (June, July, August, and September). July is the core of it at 174 mm. April is the other extreme, with 4 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. July averages 24 such days; April averages 1.

Hot and cool months in León

The heat peaks in May, when the typical afternoon is 30.9°C. The opposite pole is January, when mornings average 6.1°C.

Mean high across all twelve months is 26.2°C and mean low is 10.8°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

Distinctive months in León

January is the coolest month, with lows around 6.1°C and highs near 21.8°C. Rainfall is 11 mm. April is the driest month, averaging only 4 mm across 1 rainy days. Highs sit near 29.9°C. May is the warmest month. Afternoon highs average 30.9°C and nights settle near 14.1°C, with 32 mm of rain.

The rainy season opens in June. Expect 117 mm and 17 rainy days, with nights around 14.9°C. July is the wettest month — 174 mm and 24 rainy days, with 68% humidity. In October, León averages 25.7°C by day and 11.2°C at night, with 40 mm of rain.

Best months to visit León

The three months with the highest comfort score are March, April, and December: March (18.0°C average, 11 mm, 43% humidity); April (20.8°C average, 4 mm, 37% humidity); December (14.5°C average, 6 mm, 61% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the rainy season itself — fewer crowds, greener landscape, heavier rain — aim at June–September instead of the score.

How León compares inside Mexico

Querétaro is about 147 km away: León is about as warm as Querétaro at the hot peak and a similar annual rainfall (682 mm in Querétaro). Querétaro’s wettest month is July (158 mm) versus July here.

Guadalajara is about 180 km away: León is 2.3°C cooler than Guadalajara in its hottest month and 120 mm drier over the year than Guadalajara. Guadalajara’s wettest month is July (205 mm) versus July here.

Mexico City is about 326 km away: León is 4.6°C warmer than Mexico City in its hottest month and 110 mm drier over the year than Mexico City. Mexico City’s wettest month is July (154 mm) versus July here.