Glastonbury monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Glastonbury

Glastonbury average temperature chart (Celsius) Glastonbury average temperature chart (Fahrenheit)
Average monthly temperatures in Glastonbury (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.5 7.5 9.7 12.2 15.6 18.7 20.7 20.3 18 14.5 10.3 8.3
°F 45.4 45.4 49.4 54 60.1 65.6 69.2 68.5 64.3 58.2 50.6 46.9

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Glastonbury monthly rainfall chart (mm) Glastonbury monthly rainfall chart (inches)
Average monthly rainfall in Glastonbury (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 74 57 59 47 58 56 57 65 66 67 73 80
inches 2.9 2.2 2.3 1.8 2.3 2.2 2.2 2.6 2.6 2.6 2.9 3.2
Rainy days 19 14 17 14 14 13 11 13 14 16 17 18

Average annual rainfall in Glastonbury: 806.133mm (317.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Glastonbury

Glastonbury average daily sunshine chart
Average daily sunshine Glastonbury
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.8 4 5.7 6.8 7.3 6.9 6.5 5.2 3.5 2.7 1.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Glastonbury average minimum / maximum temperatures (Celsius) Glastonbury average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Glastonbury (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.6 1.4 2.6 4 6.8 9.9 11.9 11.7 9.9 7.5 3.9 2.4
Max °C 7.6 7.6 9.9 12.5 15.8 18.9 20.9 20.5 18.2 14.7 10.5 8.5
Min °F 34.9 34.5 36.6 39.1 44.2 49.8 53.4 53.1 49.7 45.5 39 36.2
Max °F 40.3 40.1 43.2 46.8 52.3 57.9 61.5 61 57.2 52 45 41.7

Sea temperature

The graph below shows the average sea temperature.

Glastonbury average sea temperature chart (Celsius) Glastonbury average sea temperature chart (Fahrenheit)
Average sea temperature around Glastonbury in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.1 9.3 9.2 10 11.3 13.1 15 16.2 16.2 15.1 13.4 11.7
°F 50.2 48.7 48.6 49.9 52.3 55.5 59 61.2 61.2 59.2 56.2 53

Wind speed

The graph below shows the average wind speed.

Glastonbury average winspeed by month (km/h) Glastonbury average winspeed by month (mph)
Average wind speed in Glastonbury (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 18 16 16 14 14 14 14 15 16 17
mph 11 11 11 10 10 9 9 9 9 9 10 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Glastonbury relative humidity averages
Average relative humidity in Glastonbury
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 85% 82% 81% 80% 80% 82% 86% 89% 90% 92%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Glastonbury weather stats

Glastonbury weather statistics
Hottest month: July 20.7°C 69.3°F
Driest month: April 47mm 1.9ins
Sunniest month: June 7.3hrs
Coldest month: February 7.5°C 45.5°F
Wettest month: December 80mm 3.1ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Glastonbury (51.14729, -2.71797) Glastonbury map pin © Google

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