Temperature & Rainfall Trends

Note: Trends are based on data recorded at Caerphilly since 2005.

Annual Temperature Trend
Month Average since 2005 Current Month Difference
January 4.8°C 5.0°C (2019) 0.2°C0.2°C Warmer than All-Time Average Temperature.
February 6.1°C 7.1°C (2019) 1.0°C1°C Warmer than All-Time Average Temperature.
March 7.0°C 8.1°C (2019) 1.1°C1.1°C Warmer than All-Time Average Temperature.
April 9.6°C 9.9°C (2019) 0.3°C0.3°C Warmer than All-Time Average Temperature.
May 13.1°C 11.7°C (2019) -1.4°C1.4°C Colder than All-Time Average Temperature.
June 16.2°C 14.9°C (2019) -1.3°C1.3°C Colder than All-Time Average Temperature.
July 17.6°C 17.8°C (2019) 0.2°C0.2°C Warmer than All-Time Average Temperature.
August 16.6°C 16.7°C (2019) 0.1°C0.1°C Warmer than All-Time Average Temperature.
September 13.0°C 13.5°C (2018) 0.5°C0.5°C Warmer than All-Time Average Temperature.
October 10.4°C 10.7°C (2018) 0.3°C0.3°C Warmer than All-Time Average Temperature.
November 8.5°C 8.7°C (2018) 0.2°C0.2°C Warmer than All-Time Average Temperature.
December 6.5°C 8.0°C (2018) 1.5°C1.5°C Warmer than All-Time Average Temperature.
Average 12 Month Temperature since 2005: 10.8°C
Current 12 Month Temperature: 11°C
Current 12 Month Temperature Trend: 0.2°C0.2°C Warmer than All-Time Average Temperature.

Annual Rainfall Trend
Month Average since 2005 Current Month Difference
January 95.3 mm 45.6 mm (2019) -49.7 mm49.7 mm less than All-Time Average Rainfall.
February 61.7 mm 69.4 mm (2019) 7.7 mm7.7 mm more than All-Time Average Rainfall.
March 65.2 mm 163.4 mm (2019) 98.2 mm98.2 mm Warmer than All-Time Average Temperature.
April 37.4 mm 100.4 mm (2019) 63.0 mm63 mm more than All-Time Average Rainfall.
May 49.5 mm 36.6 mm (2019) -12.9 mm12.9 mm less than All-Time Average Rainfall.
June 40.7 mm 36.6 mm (2019) -4.1 mm4.1 mm less than All-Time Average Rainfall.
July 43.6 mm 83.8 mm (2019) 40.2 mm40.2 mm more than All-Time Average Rainfall.
August 56.8 mm 133.4 mm (2019) 76.6 mm76.6 mm more than All-Time Average Rainfall.
September 56.6 mm 76.7 mm (2018) 20.1 mm20.1 mm more than All-Time Average Rainfall.
October 41.9 mm 79.0 mm (2018) 37.1 mm37.1 mm more than All-Time Average Rainfall.
November 78.7 mm 126.8 mm (2018) 48.1 mm48.1 mm more than All-Time Average Rainfall.
December 55.0 mm 178.0 mm (2018) 123.0 mm123 mm more than All-Time Average Rainfall.
Average 12 Month Rainfall since 2005: 682.4 mm
Rainfall for last 12 months: 1,156.4 mm
Current 12 Month Rainfall difference: 474.0 mm474 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 2005. Script courtesy of  Michael Holden from Relay Weather. Script calculations courtesy of Murry Conarroe of Wildwood Weather.