Alcázar de San Juan in Summer
In summer (June, July and August), Alcázar de San Juan sees average daytime highs around 33°C and overnight lows near 19°C, with 36 mm of rain over about 8 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 27°C in early June to 32°C by late August. The sky is clear or mostly clear about 74% of the time across summer, and the air most often feels dry.
Summer is Alcázar de San Juan's 3rd-best season to visit on our travel score. For the whole year in context, see Alcázar de San Juan's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 36 mm
- 8 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.7
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Alcázar de San Juan in Summer
Over the season highs climb from about 27°C in early June to 32°C by late August.
A typical summer day in Alcázar de San Juan reaches about 33°C and drops to 19°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Alcázar de San Juan
Once humidity and wind are folded in, summer brings about 66 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Alcázar de San Juan weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 11° / 2° | 30 | 6.6 | 0.5 | 9.5 | 2.8 |
| Feb | 13° / 3° | 29 | 6 | 0.4 | 10.5 | 3.9 |
| Mar | 17° / 6° | 35 | 6.7 | 0.2 | 11.7 | 5.8 |
| Apr | 19° / 8° | 44 | 8.1 | 0.1 | 13 | 6.5 |
| May | 24° / 12° | 39 | 7.1 | 0 | 14.1 | 7.4 |
| Jun | 30° / 17° | 19 | 3.9 | 0 | 14.7 | 6.0 |
| Jul | 34° / 20° | 7 | 1.7 | 0 | 14.5 | 3.8 |
| Aug | 34° / 19° | 10 | 2.2 | 0 | 13.5 | 4.2 |
| Sep | 28° / 15° | 22 | 3.9 | 0 | 12.3 | 7.1 |
| Oct | 21° / 11° | 44 | 7.1 | 0 | 11 | 7.1 |
| Nov | 15° / 6° | 42 | 6.5 | 0 | 9.8 | 4.8 |
| Dec | 11° / 3° | 41 | 6.8 | 0.4 | 9.3 | 3.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 74% of the time across summer.
Chance of precipitation in Summer
Alcázar de San Juan gets around 36 mm of rain over 8 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 36 min in early June to 12 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.5 kWh/m².
Is summer a good time to visit Alcázar de San Juan?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Alcázar de San Juan for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Alcázar de San Juan in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Alcázar de San Juan sees daytime highs around 33°C and nights near 19°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Alcázar de San Juan in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Alcázar de San Juan peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 7 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Very high | High | Very high | Extreme | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Alcázar de San Juan?
Alcázar de San Juan sits at 39.4°N, 3.2°W, 644 m above sea level, in Spain. The nearest listed city is Campo de Criptana, 7.0 km away.
Topography around Alcázar de San Juan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alcázar de San Juan.
Within 3 km, the terrain around Alcázar de San Juan has only modest variations in elevation — a maximum elevation change of 94 m around an average of 651 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, large variations in elevation — a maximum elevation change of 822 m.
The land around Alcázar de San Juan is covered by cropland (56%) and artificial surfaces (21%) within 3 km, cropland (79%) within 16 km, and cropland (71%) within 80 km.
Spain travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $38,627
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 3.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 540
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Alcázar de San Juan (39.3901°, -3.2083°, elevation 644 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.