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San Sebastián de los Reyes has a cold semi-arid climate.
Dry country, big sun, modest rain — here's what that means in plain terms.
What this climate feels like
The four things a regular visitor actually wants to know:
Highs near 34°C in July. About 63 days a year above 32 °C.
Lows near 1°C in January. About 51 freezing nights a year.
About 374 mm of rain a year. Wettest in October.
A roughly even mix of sun and cloud.
What "cold semi-arid" means
Climate scientists sort every place on Earth into about 30 climate types, based on how hot, cold, wet and dry it is across the year. San Sebastián de los Reyes's type — cold semi-arid — sits in the broad family of dry climates — deserts and steppes.
Researchers write climate types as a short letter code. Here is what each letter means:
Cities with the same climate as San Sebastián de los Reyes
A cold semi-arid climate (BSk) — these recognizable cities share it. If you know one of them, you know roughly what to expect.
Has San Sebastián de los Reyes's climate type changed?
Stable — San Sebastián de los Reyes's climate has held the same type between the 1971–2000 and 1991–2020 normals. The label is steady; the climate beneath it is still warming.
What this climate means for you
Native prairie grasses, hardy conifers and cold-tolerant fruit (apples, cherries) excel. Lawns need irrigation.
Spring through autumn is comfortable; winters are cold and sometimes blustery. Sun is abundant year-round.
Four real seasons, but dry. Cold winters need heating; summers are warm and pleasant by day with cool nights.
Where these numbers come from
The climate type and the month-by-month figures on this page are computed from San Sebastián de los Reyes's measured 30-year climate normals (1991–2020) — the same official records behind San Sebastián de los Reyes's main climate page, so the two always agree.
Long-range climate maps measure things slightly differently and can place a city in a neighbouring category. Where they differ, this page uses the measured station record as the climate today.
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Madrid/barajas, a weather station, about 12 km from the city centre. The underlying daily records come from NOAA's global station network.