St Ives monthly weather averages

Average daytime temperature

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

St Ives average temperature chart (Celsius) St Ives average temperature chart (Fahrenheit)
Average monthly temperatures in St Ives (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.7 8.5 9.8 11.6 14.2 16.9 18.8 18.9 17.2 14.5 11.3 9.7
°F 47.6 47.4 49.7 52.8 57.5 62.5 65.8 65.9 63 58.1 52.3 49.4

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.

St Ives monthly rainfall chart (mm) St Ives monthly rainfall chart (inches)
Average monthly rainfall in St Ives (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 133 101 98 63 65 62 58 73 83 111 126 133
inches 5.2 4 3.9 2.5 2.6 2.5 2.3 2.9 3.3 4.4 5 5.2
Rainy days 23 18 19 15 15 14 13 15 16 19 21 22

Average daily sunshine

The bar chart below shows the average daily sunshine hours in St Ives

St Ives average daily sunshine chart
Average daily sunshine St Ives
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 3 4.4 6.5 7.4 7.5 7.1 6.8 5.6 3.8 2.7 1.9

Day / night temperatures

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

St Ives average minimum / maximum temperatures (Celsius) St Ives average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in St Ives (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.2 4 4.7 5.7 8.1 10.7 12.7 12.8 11.5 9.6 6.6 5.2
Max °C 8.8 8.7 10 11.7 14.3 17.1 19 19 17.4 14.6 11.4 9.8
Min °F 39.6 39.1 40.4 42.3 46.6 51.3 54.8 55 52.6 49.3 43.9 41.4
Max °F 43.7 43.3 45.1 47.7 52.2 57 60.4 60.6 57.9 53.8 48.2 45.5

Sea temperature

The graph below shows the average sea temperature.

St Ives average sea temperature chart (Celsius) St Ives average sea temperature chart (Fahrenheit)
Average sea temperature around St Ives in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.2 9.4 9.2 9.8 11.5 13.8 15.9 16.7 16 14.5 12.7 11.3
°F 50.4 49 48.6 49.7 52.6 56.8 60.6 62.1 60.9 58.1 54.9 52.3

Wind speed

The graph below shows the average wind speed.

St Ives average winspeed by month (km/h) St Ives average winspeed by month (mph)
Average wind speed in St Ives (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 23 23 22 20 19 17 17 17 18 20 22 23
mph 15 14 14 13 12 11 10 10 11 12 14 15

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.

St Ives relative humidity averages
Average relative humidity in St Ives
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 88% 87% 85% 84% 85% 85% 86% 87% 89% 88% 89%
St Ives

Other monthly averages

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St Ives weather stats

St Ives weather statistics
Hottest month: August 18.9°C 66°F
Driest month: July 58mm 2.3ins
Sunniest month: May 7.4hrs
Coldest month: February 8.5°C 47.3°F
Wettest month: December 133mm 5.2ins
Warmest sea: August 16.7°C 62.1°F
Map showing location of St Ives (50.20861, -5.4875)

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