Welwyn weather

 Latitude N 51° 48' 00"    Longitude W 00° 11' 00"    Elevation 250 ft

This year's highs and lows
Temperature and Humidity
Highest Temperature 36.0 °C 16:10 on 20 July
Lowest Temperature -5.4 °C 07:58 on 25 January
Highest Dew Point 23.9 °C 09:50 on 07 September
Lowest Dew Point -13.4 °C 16:53 on 05 April
Highest Apparent Temperature 38.1 °C 14:10 on 20 July
Lowest Apparent Temperature -9.1 °C 07:21 on 13 February
Lowest Wind Chill Temperature -8.1 °C 07:21 on 13 February
Highest Heat Index 37.0 °C 12:10 on 20 July
Highest Minimum 16.9 °C 11 June
Lowest Maximum -0.5 °C 08 February
Highest Humidity 100 % 14:20 on 01 January
Lowest Humidity 15 % 16:21 on 30 March
Highest Daily Range 26.1 °C 30 March
Lowest Daily Range 1.4 °C 01 February
Rainfall
Highest Rain Rate 54.0 mm/hr 13:30 on 13 October
Highest Hourly Rainfall 753.0 mm 10:12 on 09 May
Highest Daily Rainfall 46.2 mm 18 June
Highest Monthly Rainfall 275.1 mm May
Longest Dry Period 12 days to 08 April
Longest Wet Period 16 days to 02 February
Wind
Highest Wind Gust 31.3 mph 09:29 on 11 March
Highest Wind Speed 10-minute Average 15.6 mph 12:10 on 11 March
Highest Daily Wind Run 173.3 miles 27 November
Pressure
Lowest Pressure (sl) 972.7 hPa 23:26 on 20 January
Highest Pressure (sl) 1042.9 hPa 09:40 on 27 February
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Page updated 30/11/2021 09:30:00
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