Steventon Weather

June 2021

The settled weather at the end of May continued into June and the maximum temperature for May, (23.1°C on 31st) was exceeded on 1st of June, at 25.5°C. This was further exceeded the next day reaching 27.2℃ but then dropped to the low twenties. However, it gradually crept up again reaching a peak for the month of 27.7°C on 14th. It also reached 24.8°C on 15th and 26.8° on 16th.

The skies were a mixture of cloud and sunny spells accompanied by light, variable wind. Apart from a brief shower on 2nd there was no rain over the 22 days between 24th May and the night of 16th/17th June.

The next few days and nights brought heavy rain with 22.1mm on 17th/18th and 24.1mm on 18th/19th. A further 6.6mm fell on 19th and 7.0mm on 21st. Maximum temperatures dropped as low as 14.7°C on 21st but otherwise remained around 20°C for the rest of the month.

Night minimum temperatures stayed remarkably steady throughout the month, around the mid-teens but briefly fell below 10℃, to 9.4°C on 5th and 7.5 on 23rd.

Sunny periods returned on 22nd and remained until the end of the month apart from a short, sharp frontal system going through on the night of 26th/27th dropping another 21mm of rain to bring the total for June to 85.3mm. This made it the wettest June since 2012 and 79% above average. The total for the year to date is 387.9mm, 23% above average.

Broadly, June weather could be divided into three periods, the first being more typical “Flaming June” in temperature, though with less than full sun, a wet period beginning the second half followed by ten days of more unsettled conditions. A warm (1.7°C above average), wet month. The wind was light, variable throughout.

Mike Wilkins

25 year Rainfall averages are from 1992-2016
30 year Temperature averages are from 1981-2010

Weather Summary table for 2020 at Steventon, Oxfordshire.

30 year temperature averages for Steventon are from 1981-2010
Oxford rainfall averages are from 1992-2016

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MonthTemperature
°C
Rainfall
mm%
25yr avg.
MaxMinMonthly Average30yr
Avg.
>30yr
Avg.
 25yr
avg.
January 13.0 -1.7 9.96 4.57 2.39 66.3 66.4 99.8
February 13.2 -0.9 7.19 4.69 2.50 112.7 45.9 245.3
March 15.9 -0.5 7.60 6.86 0.74 48.9 41.9 116.6
April 24.2 0.1 11.99 9.17 2.82 47.8 53.0 90.2
May 26.2 1.6 14.69 12.64 2.05 1.4 60.2 2.3
June 31.9 7.6 17.06 15.82 1.24 65.3 47.7 136.8
July 35.2 8.9 18.09 17.91 0.18 30.4 49.8 79.1
August 34.5 10.7 19.64 17.43 2.21 101.9 56.1 181.6
September 28.6 4.8 15.69 14.50 1.19 36.1 51.8 69.8
October 17.6 6.0 11.44 10.76 0.68 170.8 70.0 244.o
November 16.5 0.2 8.88 6.94 1.94 54.5 74.9 72.7
December 13.2 -1.7 5.65 4.76 0.89 76.8 64.1 119.8
Year 35.5 -1.7 12.07 10.50 1.57 821.9 682.0 120.5

Summary data from Mike Wilkins, January 2021