2021
Weather in Letchworth Garden City, month by month
Mean temperature
10.7°C
Station average 11.2°C
Highest
32.1°C
On Sun 18 Jul
Lowest
−4.6°C
On Thu 11 Feb
Rain
653.0 mm
109% of the station average, 600.9 mm
Wet days
183
With 0.2 mm of rain or more
Wettest day
46.2 mm
On Fri 18 Jun
Strongest gust
33 mph
On Thu 11 Mar
Highest pressure
1040.7 hPa
Lowest 970.2 hPa
How it compares
The 5th coldest year of the 17 on record, and the coldest since 2013.
The 6th wettest year of the 17 on record.
Month by month
| Month | Mean | High | Low | Rain |
|---|---|---|---|---|
| January | 2.9°C | 11.3°C | −4.1°C | 90.2 mm |
| February | 4.9°C | 16.3°C | −4.6°C | 30.8 mm |
| March | 7.3°C | 23.7°C | −1.4°C | 32.6 mm |
| April | 6.9°C | 17.1°C | −2.4°C | 1.8 mm |
| May | 11.2°C | 24.4°C | 0.7°C | 91.0 mm |
| June | 17.1°C | 28.9°C | 5.9°C | 77.4 mm |
| July | 18.7°C | 32.1°C | 9.7°C | 71.4 mm |
| August | 16.8°C | 25.7°C | 9.2°C | 29.8 mm |
| September | 16.7°C | 30.2°C | 6.9°C | 51.2 mm |
| October | 12.2°C | 19.3°C | 5.2°C | 106.8 mm |
| November | 7.0°C | 15.0°C | −3.2°C | 14.4 mm |
| December | 6.3°C | 14.1°C | −1.7°C | 55.6 mm |
Daily temperature range
Low to high each day
Typical range for the date
Monthly rainfall
Total
Station average
Daily high, day by day
Hover a day for its high and low
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.