Friendswood (TX) monthly weather averages

Average daytime temperature

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

Friendswood average temperature chart (Celsius) Friendswood average temperature chart (Fahrenheit)
Average monthly temperatures in Friendswood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.3 17.4 21.2 25 28.2 31.1 32.4 32.4 30.1 26.3 21.5 17.2
°F 59.6 63.3 70.2 77.1 82.8 88 90.3 90.3 86.2 79.4 70.8 63

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.

Friendswood monthly rainfall chart (mm) Friendswood monthly rainfall chart (inches)
Average monthly rainfall in Friendswood (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 86 92 63 87 115 134 102 105 125 96 94 91
inches 3.4 3.6 2.5 3.4 4.5 5.3 4 4.1 4.9 3.8 3.7 3.6
Rainy days 10 8 8 6 7 8 9 9 10 7 8 9

Average annual rainfall in Friendswood: 1124.533mm (442.7 inches)

Average daily sunshine

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

Friendswood average daily sunshine chart
Average daily sunshine Friendswood
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 6.1 6.9 7.6 8.7 10.2 10.4 9.5 8.4 8 6.2 5.2

Day / night temperatures

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

Friendswood average minimum / maximum temperatures (Celsius) Friendswood average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Friendswood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 6.9 8.4 12.4 16.8 20.2 23.3 24.4 24.4 22.3 17.1 12.5 8.4
Max °C 15.6 17.6 21.5 25.3 28.4 31.3 32.6 32.6 30.3 26.6 21.8 17.5
Min °F 44.3 47.1 54.2 62.2 68.4 73.9 75.9 75.9 72.1 62.7 54.4 47
Max °F 52.2 55.4 62.4 69.8 75.7 81.1 83.3 83.3 79.3 71.2 62.8 55.2

Sea temperature

The graph below shows the average sea temperature.

Friendswood average sea temperature chart (Celsius) Friendswood average sea temperature chart (Fahrenheit)
Average sea temperature around Friendswood in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18 17.4 18.6 21.1 24.6 28 29.3 29.6 28.8 26.1 22.7 20
°F 64.4 63.3 65.4 70 76.4 82.3 84.7 85.3 83.8 78.9 72.9 68

Wind speed

The graph below shows the average wind speed.

Friendswood average winspeed by month (km/h) Friendswood average winspeed by month (mph)
Average wind speed in Friendswood (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 18 18 16 14 13 12 13 13 15 16
mph 10 11 11 11 10 9 8 7 8 8 9 10

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.

Friendswood relative humidity averages
Average relative humidity in Friendswood
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 74% 74% 75% 76% 76% 76% 76% 78% 76% 77% 77%