Spring (March–May): Average 9–15°C, mild and rainy with occasional sunshine. Common activities: Visiting Windsor Castle, walking in Windsor Great Park. Recommended clothing: Light jacket, comfortable shoes, rain gear.
Summer (June–August): Average 17–20°C, warm and humid with occasional showers. Common activities: Boating on the Thames, exploring Windsor town. Recommended clothing: Light and breathable clothing, comfortable shoes, umbrella or light raincoat.
Autumn (September–November): Average 10–14°C, cool and rainier. Common activities: Visiting museums, enjoying autumn scenery. Recommended clothing: Warm jacket, comfortable shoes, rain gear.
Winter (December–February): Average 5–9°C, cold and damp with occasional frost. Common activities: Indoor sightseeing at Windsor Castle, warm indoor activities. Recommended clothing: Warm coat, scarf, gloves, hat, waterproof shoes.
Windsor Castle climatological average
Annual average temperature: approx. 12.7°C / Annual rainfall: approx. 689 mm / Summer humidity: 65%–75% / Rainiest month: November
Windsor Castle monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.8°C
39.7
February
8.2°C
51.3
March
9°C
69.3
April
10.8°C
50.3
May
14.7°C
42
June
17.9°C
31.7
July
19.5°C
51
August
19.8°C
45
September
17.2°C
86.7
October
13.9°C
85
November
9.3°C
88
December
7°C
49.3
Windsor Castle weather for the next seven days
11/3
Monday
Patchy rain nearby
15.8°C/7.5°C
11/4
Tuesday
Patchy rain nearby
15.5°C/12.6°C
11/5
Wednesday
Patchy rain nearby
14.8°C/13.6°C
11/6
Thursday
Patchy rain nearby
14.3°C/11°C
11/7
Friday
Patchy rain nearby
13.1°C/9.4°C
11/8
Saturday
Patchy rain nearby
12.5°C/11.5°C
11/9
Sunday
Patchy rain nearby
12.1°C/9.8°C
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