2023
Weather in Letchworth Garden City, month by month
Mean temperature
12.4°C
Station average 11.2°C
Highest
32.6°C
On Sat 9 Sep
Lowest
−4.3°C
On Mon 23 Jan
Rain
742.7 mm
124% of the station average, 600.9 mm
Wet days
192
With 0.2 mm of rain or more
Wettest day
40.8 mm
On Wed 20 Sep
Strongest gust
33 mph
On Mon 13 Mar
Highest pressure
1045.0 hPa
Lowest 955.3 hPa
How it compares
The 2nd warmest year of the 17 on record.
The 3rd wettest year of the 17 on record, and the wettest since 2012.
Month by month
| Month | Mean | High | Low | Rain |
|---|---|---|---|---|
| January | 5.5°C | 13.3°C | −4.3°C | 51.2 mm |
| February | 7.3°C | 15.0°C | −1.7°C | 5.6 mm |
| March | 7.8°C | 16.6°C | −2.3°C | 115.0 mm |
| April | 10.0°C | 20.5°C | −0.6°C | 47.0 mm |
| May | 13.4°C | 22.4°C | 5.1°C | 45.2 mm |
| June | 19.0°C | 32.2°C | 7.6°C | 41.2 mm |
| July | 18.1°C | 29.9°C | 10.3°C | 79.6 mm |
| August | 18.4°C | 28.2°C | 10.1°C | 37.4 mm |
| September | 18.9°C | 32.6°C | 9.1°C | 79.0 mm |
| October | 13.7°C | 24.8°C | 2.2°C | 101.4 mm |
| November | 8.0°C | 14.7°C | −2.1°C | 64.7 mm |
| December | 7.9°C | 14.2°C | −2.0°C | 75.4 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.