Colney Heath, Herts

Monthly Weather Summary

18/09/25 00:55:00

This Month
High Temperature
Low Temperature 		30.0°C at 10/09/25 13:45:30
-9.7°C at 13/09/25 06:03:43
High Heat Index 38.2°C at 10/09/25 13:45:30
Low Wind Chill -18.9°C at 01/09/25 00:00:15
High Humidity
Low Humidity 		95% 03/09/25 06:30:58
19% 04/09/25 10:03:47
High Dewpoint
Low Dewpoint 		19.2°C 07/09/25 16:41:15
-11.2°C 06/09/25 02:27:56
High Barometer
Low Barometer 		1019.1 mbar at 06/09/25 02:27:56
988.3 mbar at 03/09/25 13:15:01
Rain Total 46.1 mm
High Rain Rate 5.7 mm/hr at 01/09/25 16:43:07
High Wind Speed 0.0 m/s from N/A at 13/09/25 10:23:49
Average Wind 0.0 m/s
RMS Wind 0.0 m/s
Vector Average Speed
Vector Average Direction 		N/A
90°
High Inside Temperature
Low Inside Temperature 		25.1°C at 07/09/25 19:55:00
-9.0°C at 16/09/25 16:05:31

 

Calendar Year
High Temperature
Low Temperature 		42.7°C at 03/07/25 03:18:21
-30.0°C at 20/02/25 03:15:28
High Heat Index 82.4°C at 03/07/25 03:18:21
Low Wind Chill -30.0°C at 14/08/25 19:40:29
High Humidity
Low Humidity 		96% at 05/01/25 11:03:28
0% at 28/01/25 03:15:22
High Dewpoint
Low Dewpoint 		64.0°C at 03/07/25 13:35:37
-22.3°C at 28/01/25 03:15:35
High Barometer
Low Barometer 		1090.1 mbar at 17/08/25 13:45:26
966.2 mbar at 06/01/25 07:33:43
Rain Total 262.6 mm
High Rain Rate 141.9 mm/hr at 04/08/25 19:25:00
High Wind Speed 22.6 m/s from 338° at 20/02/25 12:24:44
Average Wind 0.4 m/s
RMS Wind 0.7 m/s
Vector Average Speed
Vector Average Direction 		0.2 m/s
132°
High Inside Temperature
Low Inside Temperature 		48.0°C at 29/07/25 03:35:27
-10.0°C at 27/05/25 18:53:55

Monthly Statistics and Plots

temperatures heatchill rain wind barometer Hi Wind Inside Wind Vector