01 Fifty-three days
The data come from Spain's state meteorological agency, 1991–2020 normals. Annual precipitation totals 337.3 millimetres, the annual mean is 16.2 °C and sunshine runs to 3,014 hours a year. It is a textbook continentalised Mediterranean climate: dry, extreme and very bright.
Three thousand and fourteen hours of sunshine and a stone old town with barely any trees. Shade here comes from buildings, and only at certain hours.

02 Summer, seriously
July has a mean high of 35.1 °C and August 34.5. The series record is 44.2 °C, measured on 13 August 2021, and there are readings above 42 in June and July. In those two months relative humidity falls to 34% and 37%: dry heat, which deceives and dehydrates.
And it rains practically nothing: 5.7 millimetres in July and 8.6 in August, with one rain day in July and one and a half in August. July also totals 391 hours of sunshine, the year's highest, more than twelve a day.
Toledo's specific problem with that heat is topography. The old town sits on a hilltop and every street climbs or drops; walking here is not walking on the flat. At 35 degrees, a two-hundred-metre climb stops being a stroll.

03 Winter counts too
The other extreme surprises more, because nobody associates central Spain with hard cold. January has a mean of 6.8 °C and mean lows of 1.7, and the series record is −13.4 °C, measured on 12 January 2021. December and February have mean lows of 2.5 and 2.6.
And there is little light: December has 136 hours of sunshine and January 152, against July's 391. With December's relative humidity at 77%, the mornings are damp and cold in a way that does not match the idea one arrives with about Castile.
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04 The four good months
April, May, September and October. Those four and no others if you can choose. May has a mean of 18.4 °C, highs of 25.2 and 298 hours of sunshine: the year's best combination, with the surrounding country still green before it dries out.
September is close behind at a mean of 22.1 °C and 273 hours of sunshine, with the advantage of lower light, which suits a city of golden stone better than June's vertical sun. October drops to 16.6 but is the wettest month of the year — 48.7 millimetres over 6.5 days — which is still very little.
If you have to come in summer, do it the way it is done here: out first thing, indoors between one and six, and out again as the day falls. At 391 hours of sunshine in July, the city is not walked at midday; it is endured.





