Weather in London in March
- Daylight on the 15th
- 11 h 50 min
- Average high
- 11 °C (51 °F)
- Average low
- 3 °C (37 °F)
- Precipitation
- 48 mm
In March, the area around London averages daytime highs of 11 °C (51 °F) and night-time lows of 3 °C (37 °F). Days are cool; bring a warm layer.
Temperature
Compared with February, March is warmer by 3 °C in daytime highs, and April is warmer by 3 °C than March. The daily average is 6 °C (43 °F).
Precipitation, humidity and wind
Precipitation averages about 48 mm over the month, with 10 days of at least 1 mm. Expect some wet days, but not every day.
Relative humidity averages 86 % and wind at 2 m about 3.7 m/s.
Daylight
On 15 March the sun rises at 06:14 and sets at 18:05 local time, for 11 h 50 min of daylight, 109 minutes more than a month earlier.
About these numbers
The figures are 2011-2020 averages for the grid cell around London from the NASA POWER project, a model based data set. They describe the area rather than one weather station, and a single year can differ.
Month by month
Questions
How warm is London in March?
Average highs of 11 °C (51 °F) and lows of 3 °C (37 °F) (2011-2020 averages).
Does it rain a lot in London in March?
About 48 mm over the month, on 10 days with at least 1 mm.
Related pages
Sources
- NASA Langley Research Center POWER Project, funded through the NASA Earth Science Directorate Applied Science Program (2026-09-22)
- Computed from the city coordinates with the NOAA solar position equations
- IANA tz database
- Wikidata, CC0 (2026-09-22)