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21 April

Letchworth Garden City’s weather on 21 April, every year since 2008

Warmest
24.6°C
In 2019
Coldest
0.9°C
In 2010
Warmest night
11.2°C
In 2018
Coldest day
11.6°C
In 2024
Wettest
6.2 mm
In 2025
Strongest gust
22 mph
In 2020

Every year

YearHighLowRainGust
202615.2°C4.7°C0.0 mm20 mph
202513.1°C8.8°C6.2 mm7 mph
202411.6°C3.9°C0.0 mm17 mph
202313.8°C5.6°C1.2 mm13 mph
202218.7°C4.0°C0.0 mm17 mph
202113.2°C4.0°C0.0 mm0 mph
202017.7°C4.8°C0.0 mm22 mph
201924.6°C6.1°C0.0 mm11 mph
201824.1°C11.2°C0.2 mm13 mph
201714.2°C9.6°C0.0 mm12 mph
201614.9°C2.8°C0.0 mm16 mph
201517.6°C1.5°C0.0 mm15 mph
201419.1°C4.1°C0.4 mm15 mph
201314.8°C1.1°C0.0 mm15 mph
201213.3°C1.8°C2.0 mm17 mph
201124.3°C6.9°C0.0 mm11 mph
201011.7°C0.9°C0.0 mm11 mph
200919.3°C2.8°C0.0 mm11 mph

It has rained (0.2 mm or more) on 21 April in 5 of the 18 years on record.

Typically 15.5°C by day and 5.3°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.