Stamford monthly weather averages

Average daytime temperature

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

Stamford average temperature chart (Celsius) Stamford average temperature chart (Fahrenheit)
Average monthly temperatures in Stamford (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.1 6.5 9.4 12.1 15.9 19.2 21.1 21 18.4 14.4 9.3 6.9
°F 43 43.6 48.9 53.8 60.6 66.5 70 69.7 65.1 57.9 48.8 44.4

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.

Stamford monthly rainfall chart (mm) Stamford monthly rainfall chart (inches)
Average monthly rainfall in Stamford (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 45 35 45 48 51 49 46 56 44 44 51 50
inches 1.8 1.4 1.8 1.9 2 1.9 1.8 2.2 1.7 1.7 2 2
Rainy days 17 14 16 15 14 12 11 13 12 14 15 15

Average annual rainfall in Stamford: 615.166mm (242.2 inches)

Average daily sunshine

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

Stamford average daily sunshine chart
Average daily sunshine Stamford
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 2.5 3.7 4.8 6.5 7.3 6.1 6 5.1 3.7 2.6 1.9

Day / night temperatures

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

Stamford average minimum / maximum temperatures (Celsius) Stamford average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Stamford (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 0.4 1.7 3.5 6.3 9.2 11.1 11 9.2 6.6 3.1 1.4
Max °C 6.3 6.6 9.6 12.3 16.2 19.4 21.4 21.2 18.6 14.6 9.5 7.1
Min °F 33 32.7 35 38.3 43.3 48.6 51.9 51.8 48.6 43.9 37.6 34.4
Max °F 38.1 38.3 42.1 46.2 52.2 57.7 61.2 61 57 51.1 43.3 39.6

Sea temperature

The graph below shows the average sea temperature.

Stamford average sea temperature chart (Celsius) Stamford average sea temperature chart (Fahrenheit)
Average sea temperature around Stamford in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.6 6.7 6.8 7.9 9.9 12.5 14.9 16.2 15.5 13.5 11.2 9.1
°F 45.7 44.1 44.3 46.2 49.9 54.5 58.9 61.2 59.9 56.4 52.2 48.4

Wind speed

The graph below shows the average wind speed.

Stamford average winspeed by month (km/h) Stamford average winspeed by month (mph)
Average wind speed in Stamford (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 18 19 18 17 16 15 15 16 16 18 19
mph 12 11 12 11 10 10 9 9 10 10 11 12

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.

Stamford relative humidity averages
Average relative humidity in Stamford
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 84% 82% 81% 80% 80% 81% 84% 88% 90% 92%

Other monthly averages

UV index Best time to go?

Stamford weather stats

Stamford weather statistics
Hottest month: July 21.1°C 70°F
Driest month: February 35mm 1.4ins
Sunniest month: June 7.3hrs
Coldest month: January 6.1°C 43°F
Wettest month: August 56mm 2.2ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Stamford (52.65, -0.48333) Stamford map pin © Google

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