Dumas (TX) monthly weather averages

Average daytime temperature

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

Dumas average temperature chart (Celsius) Dumas average temperature chart (Fahrenheit)
Average monthly temperatures in Dumas (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.4 10.6 15.6 21.3 25.6 30 32.4 31.1 26.9 21.8 14.5 9.3
°F 47.2 51.1 60.2 70.3 78 86.1 90.3 88 80.5 71.2 58.1 48.8

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.

Dumas monthly rainfall chart (mm) Dumas monthly rainfall chart (inches)
Average monthly rainfall in Dumas (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 11 14 23 30 71 71 73 72 51 29 18 12
inches 0.4 0.5 0.9 1.2 2.8 2.8 2.9 2.8 2 1.1 0.7 0.5
Rainy days 4 4 5 5 8 9 8 9 6 4 4 4

Average annual rainfall in Dumas: 406.9mm (160.2 inches)

Average daily sunshine

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

Dumas average daily sunshine chart
Average daily sunshine Dumas
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 8.1 9.1 10.5 11 12.1 12.1 11.1 9.6 9.2 7.6 7.1

Day / night temperatures

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

Dumas average minimum / maximum temperatures (Celsius) Dumas average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dumas (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.8 -4.4 -0.9 4.1 9.5 15.2 18.1 17 12.3 5.7 -0.9 -5.3
Max °C 8.8 11 16.1 21.7 26 30.4 32.8 31.5 27.3 22.2 14.9 9.7
Min °F 19.8 24.2 30.5 39.4 49 59.4 64.5 62.5 54.1 42.2 30.5 22.5
Max °F 33.8 37.9 45.7 55.2 63.9 73 77.7 75.6 67.6 57 44.6 36

Sea temperature

The graph below shows the average sea temperature.

Dumas average sea temperature chart (Celsius) Dumas average sea temperature chart (Fahrenheit)
Average sea temperature around Dumas in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.2 12.9 13.4 14.5 16.3 18.4 20.6 22.2 21.3 18.8 16.3 14.4
°F 55.7 55.2 56.1 58 61.3 65.2 69.1 71.9 70.4 65.8 61.4 57.9

Wind speed

The graph below shows the average wind speed.

Dumas average winspeed by month (km/h) Dumas average winspeed by month (mph)
Average wind speed in Dumas (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 22 24 25 23 23 21 19 21 21 21 21
mph 13 14 15 16 15 14 13 12 13 13 13 13

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.

Dumas relative humidity averages
Average relative humidity in Dumas
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
59% 58% 53% 48% 55% 56% 52% 58% 59% 56% 58% 60%