Weather in London in January
January in London is cold with average temperatures around 4.2°C (39.6°F). Moderate rainfall of 65mm spread over 14 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
6.9°C
44.4°F
Low
1.6°C
34.9°F
Precipitation
65 mm
2.6 inches
~14 rainy days
Conditions
Humidity
93%