The highest day temperature in April 2026 was 74°F. The lowest night temperature was 41°F. The average values for day and night temperatures during April were 59.4°F и 46.2°F respectivly.

The average sea surface temperature in April 2026 for London was 51.1°F. The maximum and minimum values were 47.2°F and 55.0°F respectively.

You can expect various weather conditions during April. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in April for London is 1.3 in. It makes april the least rainy month of the year.

The average wind speed in April is 9.1 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for London in April is 7.2 hours.