Temperature & Rainfall Trends

Note: Trends are based on data recorded at Caerphilly since 2013.

Annual Temperature Trend
Month Average since 2013 Current Month Difference
January 6.3°C 4.2°C (2021) -2.1°C2.1°C Colder than All-Time Average Temperature.
February 6.3°C 5.4°C (2021) -0.9°C0.9°C Colder than All-Time Average Temperature.
March 7.1°C 7.5°C (2021) 0.4°C0.4°C Warmer than All-Time Average Temperature.
April 9.5°C 7.9°C (2021) -1.6°C1.6°C Colder than All-Time Average Temperature.
May 12.8°C 10.5°C (2021) -2.3°C2.3°C Colder than All-Time Average Temperature.
June 16.0°C 16.0°C (2021) 0.0°C 
July 17.6°C 19.0°C (2021) 1.4°C1.4°C Warmer than All-Time Average Temperature.
August 16.6°C 17.4°C (2020) 0.8°C0.8°C Warmer than All-Time Average Temperature.
September 12.6°C 14.3°C (2020) 1.7°C1.7°C Warmer than All-Time Average Temperature.
October 10.3°C 10.4°C (2020) 0.1°C0.1°C Warmer than All-Time Average Temperature.
November 8.4°C 8.7°C (2020) 0.3°C0.3°C Warmer than All-Time Average Temperature.
December 7.2°C 5.8°C (2020) -1.4°C1.4°C Colder than All-Time Average Temperature.
Average 12 Month Temperature since 2013: 10.9°C
Current 12 Month Temperature: 10.6°C
Current 12 Month Temperature Trend: -0.3°C0.3°C Colder than All-Time Average Temperature.

Annual Rainfall Trend
Month Average since 2013 Current Month Difference
January 100.6 mm 135.8 mm (2021) 35.2 mm35.2 mm more than All-Time Average Rainfall.
February 82.0 mm 113.6 mm (2021) 31.6 mm31.6 mm more than All-Time Average Rainfall.
March 70.4 mm 93.4 mm (2021) 23.0 mm23 mm Warmer than All-Time Average Temperature.
April 35.1 mm 9.6 mm (2021) -25.5 mm25.5 mm less than All-Time Average Rainfall.
May 58.2 mm 186.0 mm (2021) 127.8 mm127.8 mm more than All-Time Average Rainfall.
June 44.9 mm 20.8 mm (2021) -24.1 mm24.1 mm less than All-Time Average Rainfall.
July 47.5 mm 61.4 mm (2021) 13.9 mm13.9 mm more than All-Time Average Rainfall.
August 72.5 mm 133.8 mm (2020) 61.3 mm61.3 mm more than All-Time Average Rainfall.
September 66.2 mm 39.2 mm (2020) -27.0 mm27 mm less than All-Time Average Rainfall.
October 65.7 mm 151.0 mm (2020) 85.3 mm85.3 mm more than All-Time Average Rainfall.
November 87.0 mm 110.8 mm (2020) 23.8 mm23.8 mm more than All-Time Average Rainfall.
December 80.0 mm 230.2 mm (2020) 150.2 mm150.2 mm more than All-Time Average Rainfall.
Average 12 Month Rainfall since 2013: 810.1 mm
Rainfall for last 12 months: 1,299.2 mm
Current 12 Month Rainfall difference: 489.1 mm489.1 mm more than All-Time Average Rainfall.
This data is reflective of 12 month trending at the Caerphilly Weather Station location. This is not official scientific data. The weather data presented here is based on data collected since 2013. Script courtesy of  Michael Holden from Relay Weather. Script calculations courtesy of Murry Conarroe of Wildwood Weather.