Reigate Grammar School weather

 Latitude N 51° 14' 14"    Longitude W 00° 11' 49"    Elevation 96 m

Records began on 14 August 2012. Here are the month-by-month extremes recorded since then.

Records for the month of January
Temperature and Humidity
Highest Temperature 44.4 °C at 07:23 on 12 January 2021
Lowest Temperature -5.9 °C at 03:37 on 22 January 2013
Highest Dew Point 44.4 °C at 07:23 on 12 January 2021
Lowest Dew Point -52.7 °C at 01:57 on 26 January 2021
Highest Apparent Temperature 69.5 °C at 07:23 on 12 January 2021
Lowest Apparent Temperature -9.6 °C at 06:38 on 25 January 2021
Lowest Wind Chill Temperature -9.8 °C at 05:07 on 22 January 2013
Highest Heat Index 146.9 °C at 07:23 on 12 January 2021
Highest Minimum 34.7 °C at 00:00 on 11 January 2021
Lowest Maximum -0.3 °C at 14:12 on 20 January 2013
Highest Humidity 100 % at 16:05 on 02 January 2013
Lowest Humidity 0 % at 10:09 on 12 January 2021
Highest Daily Range 43.9 °C on 12 January 2021
Lowest Daily Range 0.9 °C on 23 January 2013
Rainfall
Highest Rain Rate 90.8 mm/hr at 09:02 on 07 January 2015
Highest Hourly Rainfall 5.6 mm at 16:28 on 28 January 2014
Highest Daily Rainfall 17.2 mm on 17 January 2014
Highest Monthly Rainfall 161.6 mm January 2014
Longest Dry Period 14 days to 09 January 2019
Longest Wet Period 22 days to 20 January 2014
Wind
Highest Wind Gust 52.0 mph at 16:52 on 25 January 2014
Highest Wind Speed Average 25.0 mph at 16:55 on 25 January 2014
Highest Daily Wind Run 280.3 miles on 03 January 2018
Pressure
Lowest Pressure (sl) 974.37 mb at 23:10 on 20 January 2021
Highest Pressure (sl) 1049.55 mb at 23:21 on 19 January 2020
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