Spring (March–May): Average 7.7–13.2°C, mild but can be wet and rainy, especially in March. Common activities: Walking along the River Thames, visiting museums and attractions. Suggested clothing: Jacket or windbreaker, comfortable walking shoes, layers to adjust for changing weather.
Summer (June–August): Average 16.4–18.0°C, warm and pleasant with occasional showers. Common activities: Boat trips on the River Thames, picnics in riverside parks, visiting outdoor attractions. Suggested clothing: Lightweight long-sleeved shirts, shorts or skirts, comfortable shoes.
Autumn (September–November): Average 8.5–15.6°C, temperatures gradually decrease, more rainfall, especially in October. Common activities: Visiting indoor museums and art galleries, enjoying London's cultural atmosphere. Suggested clothing: Warm jacket, comfortable trousers, waterproof jacket.
Winter (December–February): Average 4.6–7.0°C, cold and damp, with possible fog. Common activities: Visiting London's indoor attractions, enjoying Christmas festivities (if applicable). Suggested clothing: Heavy coat, scarf, hat, gloves, warm trousers and shoes.
Weather in River Thames
Annual average temperature: approx. 11°C / Annual rainfall: approx. 740 mm / Summer humidity: 60%–70% / Rainiest month: October
River Thames weather by month
Month
Temperature (°C)
Rainfall (mm)
January
4.6°C
42.7
February
7°C
56.4
March
7.7°C
81
April
9.2°C
58.5
May
13.2°C
45.5
June
16.4°C
36.1
July
17.9°C
61.6
August
18°C
48.9
September
15.6°C
87.6
October
12.8°C
88.2
November
8.5°C
76.5
December
6.1°C
57.3
7-day weather forecast for River Thames
10/28
Wednesday
Overcast
14.3°C/6.5°C
10/29
Thursday
Overcast
14.6°C/7.6°C
10/30
Friday
Mist
14.7°C/7.5°C
10/31
Saturday
Mist
14.8°C/7.3°C
11/1
Sunday
Sunny
13.1°C/5.9°C
11/2
Monday
Overcast
10.9°C/5.4°C
11/3
Tuesday
Patchy rain nearby
12.1°C/8.4°C
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