What the averages say
The mean annual temperature is 11.2 °C. The warmest month is July, averaging 19.8 °C with highs around 27.4 °C; the coldest is January, averaging 3.3 °C with lows of -0.7 °C. The 28 degrees between the mean high of July and the mean low of January are the real measure of how continental this climate is.
Heat, cold and extremes
On average, 23 days a year reach 30 °C or more and 72 bring frost. Cold weighs more than heat here. The highest reading in the series is 36.4 °C, set in July, and the lowest -15.0 °C, in December.
Rain, sun and wind
496 mm fall each year over 105 days with measurable rain, an amount with a summer clearly drier than the rest of the year: October is the wettest month with 62 mm and July the driest with 18 mm. The sky is clear on 81 days a year. Mean wind speed is around 12 km/h and mean annual relative humidity 66 %.
Month by month
AEMET climate normals 1991-2020. León, Virgen Del Camino observatory, 7.0 km from the centre at 916 m above sea level.| Monthly mean | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Mean temperature | 3.3 | 4.7 | 7.6 | 9.5 | 13.0 | 17.3 | 19.8 | 19.7 | 16.3 | 11.9 | 6.9 | 4.2 |
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| Mean high | 7.3 | 9.7 | 13.3 | 15.3 | 19.3 | 24.3 | 27.4 | 27.1 | 22.9 | 17.1 | 11.2 | 8.2 |
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| Mean low | -0.7 | -0.3 | 1.9 | 3.7 | 6.8 | 10.2 | 12.2 | 12.3 | 9.8 | 6.7 | 2.7 | 0.2 |
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| Rainfall (mm) | 51 | 32 | 39 | 47 | 55 | 29 | 18 | 20 | 32 | 62 | 53 | 57 |
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| Rain days | 8.7 | 6.3 | 8.7 | 10.9 | 10.9 | 7.6 | 4.6 | 4.5 | 7.4 | 11.8 | 12.5 | 10.9 |
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| Days ≥ 30 °C | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 3.5 | 9.7 | 8.3 | 1.3 | 0.0 | 0.0 | 0.0 |
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| Frost days | 19.0 | 15.8 | 9.3 | 4.2 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 7.0 | 15.3 |
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Where this data comes from
These are the 1991-2020 climate normals published by AEMET, the Spanish state meteorological agency, for the León, Virgen Del Camino observatory — the nearest official station with a complete series to Leon today. A normal is not a forecast: it describes a thirty-year average, and any given day can depart from it widely. For tomorrow, use the forecast at the top of this page.