Steventon Weather

MARCH 2021

High pressure dominated the first week of March with light easterly winds and mainly cloudy conditions, although the passage of a front on 3rd brought 7mm rain which was to prove the wettest day of the month. Daytime temperatures only reached single figures apart from 1st & 8th, which were both 10.3°C. Nights fell between 4.1°C down to 0.3°C on 6th with a ground frost followed by another on 9th.

The wind turned to westerly on 8th heralding a week of wetter weather with some rain recorded on six of the next seven days. However, the maximum daily total only ranged from 5.5mm on 12th down to 0.2mm on 15th. It was mainly showery with sunny periods between. The temperature generally just reached double figures with nights down to around five degrees.

By 16th high pressure took over again and remained high for the rest of the month except for brief incursions on 18th with 1.0mm rain falling and on 25th/26th with 3.4mm & 3.0mm. This brought the total rainfall to 30.7mm, just 73.2% of my 25-year average and making it the driest March since 2015.

With the anticyclone drifting slowly the light winds came from all quarters and days could be sunny or overcast or a mixture. The temperature mainly reached the low teens but went/sup to 17.9°C, on 29th, 21.5°C on 30th & 19.5°C on 31st. The average for the month was 1.1°C above my 30-year average.

March as a whole was a pleasantly mild, dry month with no heavy rain or air frosts and the bonus of a really springlike last few days.

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