2026
Weather in Letchworth Garden City so far, to Mon 12 Oct
Mean temperature
14.7°C
Station average 12.2°C
Highest
36.8°C
On Fri 26 Jun
Lowest
−4.6°C
On Tue 6 Jan
Rain so far
372.9 mm
The station average for a year is 600.9 mm
Wet days
106
With 0.2 mm of rain or more
Wettest day
36.6 mm
On Thu 27 Aug
Strongest gust
28 mph
On Thu 12 Mar
Highest pressure
1031.3 hPa
Lowest 974.2 hPa
Month by month
| Month | Mean | High | Low | Rain |
|---|---|---|---|---|
| January | 5.2°C | 11.5°C | −4.6°C | 75.2 mm |
| February | 8.0°C | 17.6°C | 0.1°C | 76.6 mm |
| March | 9.2°C | 19.4°C | 1.4°C | 21.8 mm |
| April | 12.0°C | 25.9°C | 2.2°C | 1.8 mm |
| May | 16.1°C | 34.9°C | 2.3°C | 20.0 mm |
| June | 19.8°C | 36.8°C | 8.8°C | 77.0 mm |
| July | 22.4°C | 35.6°C | 10.3°C | 4.0 mm |
| August | 21.1°C | 36.8°C | 10.8°C | 63.2 mm |
| September | 18.0°C | 27.3°C | 9.6°C | 26.2 mm |
| October | 14.6°C | 23.1°C | 6.3°C | 7.1 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.