January Weather in London

Last updated: March 2, 2024

The weather in London, United States, during January is characterized by an average temperature of 5°C (41°F). Highs can soar to 20°C (69°F), while lows may dip to -8°C (17°F). Typically, the humidity level in London throughout January hovers around 82%.

Precipitation and Sunshine hours

In January, London averages 88 mm (3.4 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 10 hours 4 minutes of daylight, with the sun shining for approximately 4 hours 52 minutes each day. Additionally, there is a 43% probability of sunny days during this period.

UV Index

In January, the UV Index in London reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 minutes.

Monthly weather in London

• London weather January
• London weather February
• London weather March
• London weather April
• London weather May
• London weather June
• London weather July
• London weather August
• London weather September
• London weather October
• London weather November
• London weather December