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London weather in March

Long-run climate averages for London, Ontario in March, plus what the forecast models say for the days ahead.

March at a glance

In March, London averages 7°C by day and -3°C at night. The wettest month is usually August.

March in London averages a daytime high of 7°C and an overnight low of -3°C, which reads as cold for this part of the world. Overnight temperatures drop below freezing, so expect frost and pack accordingly. Across the whole year London sees roughly 1008 mm of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live London forecast with every model compared and how much they currently agree.

London weather by month

what to expect in London through the year

Here is London's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to London by season.

Jan
-4°
Cold
Feb
-5°
Cold
Mar
-3°
Cold
Apr
14°
Cool
May
21°
Mild
Jun
24°
14°
Warm
Jul
26°
16°
Warm
Aug
25°
15°
Warm
Wettest
Sep
23°
14°
Warm
Oct
16°
Mild
Nov
Cool
Dec
-2°
Cold

Common questions

How warm is London in March?
London averages a daytime high of 7°C in March, with overnight lows around -3°C. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.
Is March a good time to visit London?
The most comfortable time to visit London is usually May, June, July and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.
Does it rain a lot in London in March?
The wettest month in London is usually August. Across the year the city sees roughly 1008 mm of precipitation.

London in other months

More about London