León climate — normals and trends

León (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 19.3 °C and it receives 519 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is May (23.4 °C on average) and the coldest is January (15.0 °C). Rainfall peaks in July.

León averages 0 frost days, 63 hot days (≥ 30 °C) and 80 rainy days per year.

León has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.7 °C (on 24 May 2024) and the coldest -3.5 °C (on 14 December 1997).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

LeónGuanajuato

coords
21.12°, -101.68°
period
19402025 · 86 yrs
BShHot semi-aridWarmest monthMayColdest monthJanuaryWettest monthJulyDriest monthMarch

Mean daily temperature

19.3°C

Average daily high

26.6°C

Average daily low

12.7°C

Annual rainfall

519mm

Sunshine / day

11.2h

Mean relative humidity

51%

Average peak wind

15.1km/h

Seasonal range

8.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

63 d/yr

Rainy days (≥ 1 mm)

80 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.5 °C

Average feels-like low

11.5 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

1 d/yr

Solar radiation

22.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.70 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

37.7 °C

24 May 2024

Coldest day

-3.5 °C

14 December 1997

Wettest day

57 mm

25 August 2025

Windiest day

44.4 km/h

4 March 1983

Strongest gust

82.4 km/h

4 March 1983

Hottest feels-like

38.1 °C

21 May 2024

Coldest feels-like

-8.1 °C

14 December 1997

Snowiest day

1.1 cm

11 January 1967

Sunniest day

13.1 h

2 July 1942

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202537.0 °C16 May 20254.2 °C22 January 202520.6 °C757 mm1060
202437.7 °C24 May 20242.6 °C29 December 202421.3 °C608 mm1200
202337.5 °C13 June 20234.8 °C30 December 202320.9 °C465 mm1360
202235.6 °C10 May 20225.3 °C20 December 202220.4 °C452 mm860
202134.7 °C27 May 20213.1 °C2 January 202119.9 °C737 mm750
202035.6 °C21 April 20202.0 °C5 January 202020.7 °C453 mm1100
201934.2 °C16 May 20193.9 °C28 January 201920.8 °C529 mm1090
201836.8 °C28 May 20181.3 °C15 December 201819.6 °C854 mm630
201735.5 °C22 May 20172.3 °C11 December 201720.0 °C628 mm800
201636.1 °C25 May 20161.9 °C17 January 201619.7 °C588 mm720
201533.1 °C7 May 20155.2 °C7 February 201519.7 °C819 mm410
201433.4 °C15 June 20142.4 °C16 January 201419.7 °C595 mm600
201336.0 °C6 June 20130.1 °C3 March 201320.0 °C716 mm750
201235.7 °C30 May 20124.6 °C5 January 201220.1 °C530 mm900
201136.8 °C24 May 20110.4 °C29 November 201120.7 °C435 mm1110
201035.6 °C7 May 20102.0 °C10 December 201019.6 °C520 mm890
200936.0 °C8 June 20092.7 °C7 February 200920.4 °C494 mm1120
200835.4 °C10 May 20081.0 °C11 December 200819.5 °C636 mm710
200734.8 °C2 June 20074.2 °C10 January 200719.8 °C546 mm830
200635.2 °C21 April 2006-1.9 °C18 January 200619.9 °C581 mm1022
200536.6 °C7 June 20054.1 °C26 December 200520.3 °C394 mm1110
200434.0 °C25 May 20042.1 °C26 December 200419.0 °C661 mm440
200336.4 °C8 May 20031.2 °C20 December 200320.0 °C605 mm780
200235.4 °C30 April 20022.8 °C8 January 200219.8 °C545 mm790
200134.9 °C13 April 20014.2 °C30 December 200119.7 °C552 mm760
200036.0 °C20 April 20003.0 °C20 January 200020.1 °C396 mm960
199935.8 °C1 June 19992.8 °C25 January 199919.7 °C459 mm850
199837.6 °C8 May 19980.0 °C3 February 199820.5 °C490 mm1130
199734.0 °C4 June 1997-3.5 °C14 December 199719.6 °C502 mm702
199635.7 °C29 May 19962.2 °C3 January 199619.8 °C596 mm650
199536.2 °C14 May 19952.6 °C26 November 199520.2 °C522 mm670
199435.0 °C9 May 19943.3 °C5 January 199420.3 °C610 mm670
199335.4 °C5 June 19934.5 °C12 February 199319.5 °C562 mm440
199234.9 °C26 June 19922.6 °C5 February 199218.5 °C859 mm330
199135.3 °C21 May 19914.6 °C16 January 199119.5 °C730 mm730
199034.6 °C1 June 19904.3 °C10 December 199019.3 °C724 mm390
198935.0 °C19 May 19891.8 °C24 December 198919.7 °C483 mm710
198834.9 °C27 April 19881.1 °C26 January 198819.8 °C443 mm690
198733.4 °C28 May 19872.7 °C23 January 198719.5 °C440 mm620
198636.1 °C12 May 19861.2 °C14 January 198619.2 °C615 mm500
198535.1 °C13 May 19850.6 °C7 January 198519.1 °C580 mm310
198433.6 °C7 May 19844.1 °C1 January 198419.1 °C586 mm520
198336.8 °C1 May 19831.2 °C23 January 198319.2 °C567 mm630
198236.9 °C4 June 19822.2 °C18 December 198220.1 °C477 mm1030
198134.8 °C9 June 19810.4 °C24 January 198119.3 °C634 mm490
198035.2 °C2 June 19800.4 °C27 January 198019.5 °C533 mm790
197934.8 °C2 July 19793.3 °C25 November 197919.7 °C388 mm870
197834.4 °C8 May 19783.2 °C13 February 197819.4 °C544 mm690
197733.7 °C15 March 19772.5 °C22 December 197719.2 °C521 mm530
197634.1 °C24 May 1976-3.0 °C25 February 197618.8 °C493 mm451
197534.0 °C19 April 19751.2 °C29 December 197518.9 °C550 mm540
197434.0 °C16 May 19742.4 °C27 November 197418.9 °C455 mm410
197334.7 °C25 May 19730.7 °C30 January 197318.7 °C613 mm460
197233.8 °C21 May 19722.0 °C22 December 197219.3 °C305 mm570
197134.1 °C19 May 19713.6 °C25 December 197118.6 °C515 mm410
197033.3 °C25 April 19701.5 °C17 November 197018.8 °C405 mm540
196935.0 °C8 June 19693.5 °C21 November 196919.4 °C282 mm550
196833.5 °C27 May 19683.2 °C20 February 196818.5 °C387 mm390
196734.3 °C8 May 19671.8 °C9 February 196718.4 °C566 mm420
196634.2 °C6 June 19660.2 °C30 January 196618.2 °C456 mm330
196533.8 °C25 May 19652.7 °C18 January 196518.6 °C494 mm520
196434.2 °C1 May 19642.2 °C1 January 196418.9 °C419 mm420
196333.5 °C23 April 19630.5 °C25 December 196318.5 °C512 mm390
196233.8 °C29 May 19622.9 °C15 November 196219.2 °C378 mm520
196133.8 °C14 May 19612.5 °C12 February 196118.8 °C387 mm470
196033.9 °C17 June 1960-1.1 °C14 February 196019.1 °C371 mm652
195932.3 °C1 June 19592.8 °C11 January 195917.7 °C696 mm200
195834.3 °C11 June 19581.7 °C25 January 195818.3 °C604 mm550
195733.5 °C24 May 19571.9 °C12 December 195719.7 °C185 mm1100
195632.9 °C11 May 1956-1.5 °C13 January 195618.8 °C309 mm513
195534.4 °C24 May 1955-1.5 °C24 January 195518.8 °C395 mm561
195434.5 °C3 June 19541.9 °C21 December 195418.9 °C363 mm420
195334.1 °C21 May 19530.6 °C12 November 195318.6 °C445 mm600
195233.6 °C24 May 19520.8 °C5 February 195218.8 °C352 mm400
195132.3 °C17 May 19511.8 °C3 February 195119.4 °C391 mm420
195033.2 °C4 May 19502.4 °C19 December 195018.7 °C343 mm370
194934.1 °C23 May 19493.4 °C5 November 194918.9 °C429 mm320
194833.6 °C2 May 19483.1 °C25 January 194818.3 °C562 mm410
194731.5 °C2 June 19471.5 °C29 November 194717.9 °C605 mm250
194634.9 °C20 May 19463.2 °C24 January 194618.8 °C443 mm500
194532.5 °C4 April 19453.8 °C5 December 194518.8 °C384 mm420
194433.0 °C3 June 19442.3 °C7 December 194418.0 °C540 mm450
194333.4 °C16 May 19431.9 °C1 January 194317.8 °C505 mm220
194232.4 °C12 June 19420.6 °C29 December 194218.2 °C412 mm280
194132.5 °C9 May 19411.1 °C9 February 194117.7 °C620 mm170
194032.3 °C1 May 1940-2.2 °C18 February 194017.9 °C517 mm272

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Across the whole year

Average daily high
28.3 °C
+1.7 °C
Hot days (≥ 30 °C)
106 d/yr
+43
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
757 mm
+238 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan25.3 °C+2.5 °C6 mm-9 mm
Feb28.5 °C+3.6 °C5 mm-4 mm
Mar30.7 °C+3.0 °C0 mm-6 mm
Apr31.8 °C+1.9 °C0 mm-10 mm
May32.5 °C+1.6 °C51 mm+27 mm
Jun27.2 °C-1.6 °C222 mm+121 mm
Jul26.4 °C-0.2 °C128 mm+12 mm
Aug27.4 °C+0.7 °C195 mm+86 mm
Sep27.4 °C+1.4 °C119 mm+35 mm
Oct28.6 °C+2.5 °C25 mm-5 mm
Nov27.9 °C+2.8 °C0 mm-8 mm
Dec25.5 °C+2.3 °C7 mm-1 mm

The year's extremes

Hottest day
37.0 °C
16 May 2025
Coldest day
4.2 °C
22 Jan 2025
Wettest day
56.7 mm
25 Aug 2025
Windiest day
30.4 km/h
10 Oct 2025
Strongest gust
57.6 km/h
10 Oct 2025
Hottest feels-like
36.3 °C
17 May 2025
Coldest feels-like
1.2 °C
22 Jan 2025
Sunniest day
12.9 h
5 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of León?

León has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 519 mm of precipitation per year.

What is the hottest day ever recorded in León?

The hottest day measured in León between 1940 and 2025 was 24 May 2024, reaching 37.7 °C.

What is the coldest day in León?

The coldest day measured in León between 1940 and 2025 was 14 December 1997, at -3.5 °C.

Does it snow in León?

Almost never: León sees virtually no snow, with about 0 frost days per year.

Has the climate of León warmed?

Yes: León warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in León?

The wettest day measured in León between 1940 and 2025 was 25 August 2025, with 57 mm of rain in 24 hours.

What was the windiest day in León?

The windiest day measured in León between 1940 and 2025 was 4 March 1983, with winds reaching 44.4 km/h.

What is the warmest month in León?

The warmest month in León is May (23.4 °C on average); the coldest is January (15.0 °C).

How much does it rain in León?

León receives on average 519 mm of precipitation per year, spread over about 80 rainy days.

Is it sunny in León?

León gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

What is the biggest single-day snowfall in León?

The heaviest 24-hour snowfall measured in León between 1940 and 2025 was 11 January 1967, with 1.1 cm.

Are there tropical nights in León?

Yes: León has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in León?

In León, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 21 May 2024, and the lowest was -8.1 °C on 14 December 1997.

Compare León with another city

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Nearby cities

The climate around León

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