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18 May

Letchworth Garden City’s weather on 18 May, every year since 2008

Warmest
25.2°C
In 2014
Coldest
2.7°C
In 2018
Warmest night
12.1°C
In 2024
Coldest day
13.3°C
In 2013
Wettest
7.2 mm
In 2017
Strongest gust
24 mph
In 2009

Every year

YearHighLowRainGust
202614.9°C7.8°C0.2 mm16 mph
202516.0°C9.7°C0.0 mm11 mph
202419.2°C12.1°C0.0 mm11 mph
202320.1°C9.3°C0.0 mm6 mph
202224.4°C11.7°C3.2 mm14 mph
202117.2°C5.3°C3.8 mm11 mph
202024.8°C10.2°C0.0 mm14 mph
201917.7°C9.7°C1.8 mm7 mph
201816.9°C2.7°C0.0 mm10 mph
201716.6°C8.7°C7.2 mm6 mph
201614.3°C10.8°C3.8 mm14 mph
201513.5°C7.2°C7.2 mm22 mph
201425.2°C11.1°C0.0 mm13 mph
201313.3°C7.8°C0.0 mm11 mph
201215.7°C7.5°C0.8 mm15 mph
201118.1°C8.9°C0.2 mm17 mph
201019.1°C5.2°C0.0 mm10 mph
200916.1°C8.6°C0.0 mm24 mph

It has rained (0.2 mm or more) on 18 May in 9 of the 18 years on record.

Typically 18.3°C by day and 8.4°C at night: the station’s average for the date, over every year.

Rainfall up to yesterday is from the Environment Agency’s rain gauges near Letchworth: the station’s own gauge is sheltered by nearby buildings and trees and catches less than falls. Today’s is the station’s. Contains Environment Agency information © Environment Agency and/or database right, under the Open Government Licence.