Sanderson (TX) monthly weather averages

Average daytime temperature

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

Sanderson average temperature chart (Celsius) Sanderson average temperature chart (Fahrenheit)
Average monthly temperatures in Sanderson (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.7 18.6 23.1 28 31.1 34.3 35 34.4 31 26.7 21.3 16.6
°F 60.2 65.5 73.5 82.4 88 93.7 94.9 93.9 87.8 80.1 70.4 61.9

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.

Sanderson monthly rainfall chart (mm) Sanderson monthly rainfall chart (inches)
Average monthly rainfall in Sanderson (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 13 15 11 23 43 44 39 47 66 44 17 14
inches 0.5 0.6 0.4 0.9 1.7 1.7 1.5 1.8 2.6 1.7 0.6 0.6
Rainy days 3 3 3 3 5 4 4 5 6 4 3 3

Average annual rainfall in Sanderson: 303.866mm (119.6 inches)

Average daily sunshine

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

Sanderson average daily sunshine chart
Average daily sunshine Sanderson
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 7.7 8.5 8.9 9.3 10.2 10.1 9.4 8.2 8.3 7.4 6.6

Day / night temperatures

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

Sanderson average minimum / maximum temperatures (Celsius) Sanderson average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sanderson (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.4 2.6 6.8 11.6 15.9 20.2 21.5 20.7 17.9 12.3 6.3 1.6
Max °C 16.1 19 23.5 28.4 31.5 34.7 35.3 34.8 31.3 27.1 21.7 17
Min °F 32.6 36.7 44.2 52.9 60.6 68.3 70.7 69.2 64.2 54.1 43.3 34.9
Max °F 46.8 51.4 59.2 68 74.7 81.3 83.1 81.9 76.3 67.5 57.2 48.7

Sea temperature

The graph below shows the average sea temperature.

Sanderson average sea temperature chart (Celsius) Sanderson average sea temperature chart (Fahrenheit)
Average sea temperature around Sanderson in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.9 16.5 17.6 19.8 22.8 25.9 28.1 29.1 28.5 25.7 22.1 18.9
°F 62.4 61.7 63.7 67.7 73 78.7 82.6 84.5 83.2 78.3 71.8 65.9

Wind speed

The graph below shows the average wind speed.

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

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.

Sanderson relative humidity averages
Average relative humidity in Sanderson
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
58% 54% 45% 45% 49% 50% 52% 55% 61% 60% 59% 59%