League City (TX) monthly weather averages

Average daytime temperature

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

League City average temperature chart (Celsius) League City average temperature chart (Fahrenheit)
Average monthly temperatures in League City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.2 17.1 20.9 24.7 28 30.9 32.2 32.3 30.1 26.2 21.4 17.1
°F 59.4 62.9 69.7 76.5 82.3 87.6 90 90.1 86.2 79.2 70.6 62.9

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.

League City monthly rainfall chart (mm) League City monthly rainfall chart (inches)
Average monthly rainfall in League City (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 83 94 60 85 111 123 100 105 127 89 93 96
inches 3.3 3.7 2.4 3.4 4.4 4.8 4 4.1 5 3.5 3.7 3.8
Rainy days 10 8 8 6 7 8 9 9 10 7 8 9

Average annual rainfall in League City: 1100.9mm (433.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in League City

League City average daily sunshine chart
Average daily sunshine League City
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 6.1 6.9 7.7 8.8 10.3 10.4 9.5 8.4 8.1 6.3 5.3

Day / night temperatures

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

League City average minimum / maximum temperatures (Celsius) League City average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in League City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7 8.7 12.5 16.9 20.5 23.6 24.6 24.6 22.5 17.4 12.8 8.7
Max °C 15.5 17.4 21.2 24.9 28.2 31.1 32.4 32.5 30.3 26.5 21.7 17.4
Min °F 44.5 47.6 54.4 62.4 68.8 74.4 76.3 76.2 72.5 63.2 55 47.6
Max °F 52.2 55.4 62.2 69.6 75.7 81.1 83.3 83.3 79.5 71.4 63 55.4

Sea temperature

The graph below shows the average sea temperature.

League City average sea temperature chart (Celsius) League City average sea temperature chart (Fahrenheit)
Average sea temperature around League City 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.

League City average winspeed by month (km/h) League City average winspeed by month (mph)
Average wind speed in League City (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.

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