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London Heathrow March Weather

Averages and records for weather in London Heathrow, United Kingdom in the month of March.

Typical London Heathrow March Weather 1991–2020
Average daily high	11.9 °C
Average daily low	4.1 °C
Average monthly precipitation	3.9 cm
Daily chance of precipitation	44.1%

London Heathrow March Weather Records 1959–2024
Highest temperature	23.8 °C	March 29, 2021
Lowest temperature	-7.4 °C	March 3, 1965
Highest daily low	12.9 °C	March 30, 1998
Lowest daily high	0.0 °C	March 3, 1965
Hottest average high temperature	14.6 °C	2012
Coldest average high temperature	7.8 °C	1962
Most daily precipitation	3.0 cm	March 14, 1964
Most monthly precipitation	9.5 cm	2001

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
March 1	10.4	3.2	18.4	-5.1
March 2	10.5	3.3	15.2	-4.2
March 3	10.6	3.4	15.5	-7.4
March 4	10.7	3.5	16.9	-4.8
March 5	10.8	3.5	17.6	-4.3
March 6	10.9	3.6	16.7	-5.4
March 7	11.0	3.7	15.7	-5.5
March 8	11.1	3.7	19.2	-5.0
March 9	11.2	3.7	16.6	-5.0
March 10	11.2	3.8	17.6	-4.2
March 11	11.3	3.8	16.7	-3.7
March 12	11.4	3.8	18.7	-3.0
March 13	11.5	3.9	18.9	-4.0
March 14	11.7	3.9	21.3	-4.2
March 15	11.8	4.0	21.6	-5.6
March 16	12.0	4.1	22.0	-1.5
March 17	12.1	4.2	21.1	-4.3
March 18	12.3	4.3	19.0	-4.2
March 19	12.4	4.4	20.1	-1.5
March 20	12.5	4.6	17.3	-3.7
March 21	12.6	4.6	19.9	-1.9
March 22	12.7	4.6	20.3	-5.1
March 23	12.7	4.7	20.1	-3.0
March 24	12.8	4.7	18.8	-2.7
March 25	12.9	4.7	18.9	-4.6
March 26	13.0	4.8	19.3	-2.5
March 27	13.1	4.8	22.8	-1.2
March 28	13.2	4.9	22.3	-2.8
March 29	13.2	4.9	23.8	-2.0
March 30	13.3	4.9	19.8	-2.4
March 31	13.3	4.9	21.2	-2.3

Weather Station Details

Years	Station	Coordinates
1959–2024	London Heathrow Airport	location