Plains (TX) monthly weather averages

Average daytime temperature

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

Plains average temperature chart (Celsius) Plains average temperature chart (Fahrenheit)
Average monthly temperatures in Plains (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.2 14.9 19.2 24.3 28.5 32.2 33.1 31.9 28.3 24 17.6 13.5
°F 54 58.7 66.6 75.7 83.3 89.9 91.6 89.4 83 75.2 63.6 56.3

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.

Plains monthly rainfall chart (mm) Plains monthly rainfall chart (inches)
Average monthly rainfall in Plains (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 12 16 17 21 52 64 64 67 63 38 19 15
inches 0.5 0.6 0.7 0.8 2 2.5 2.5 2.7 2.5 1.5 0.8 0.6
Rainy days 4 4 4 4 6 6 6 8 7 5 3 4

Average annual rainfall in Plains: 378.1mm (148.9 inches)

Average daily sunshine

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

Plains average daily sunshine chart
Average daily sunshine Plains
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.5 8.1 9.4 10.4 10.9 11.7 11.4 10.6 9.2 9.1 7.8 7.3

Day / night temperatures

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

Plains average minimum / maximum temperatures (Celsius) Plains average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Plains (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.8 -1.5 2.4 7.7 12.5 16.9 19 18 14.6 8.4 1.9 -2.3
Max °C 12.6 15.3 19.7 24.7 28.9 32.6 33.5 32.2 28.7 24.4 18 13.9
Min °F 25.2 29.4 36.2 45.9 54.5 62.3 66.1 64.4 58.2 47.1 35.3 27.9
Max °F 39.9 44.4 51.8 61.2 69.3 76.5 79.2 77.2 70.9 61.5 49.8 42.4

Sea temperature

The graph below shows the average sea temperature.

Plains average sea temperature chart (Celsius) Plains average sea temperature chart (Fahrenheit)
Average sea temperature around Plains in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.6 14.4 15 16.3 18.3 20.6 22.6 23.9 23.1 20.6 18.1 15.9
°F 58.3 57.9 59 61.3 65 69.1 72.8 75 73.6 69.2 64.5 60.7

Wind speed

The graph below shows the average wind speed.

Plains average winspeed by month (km/h) Plains average winspeed by month (mph)
Average wind speed in Plains (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 19 22 22 21 20 18 16 17 17 17 17
mph 11 12 14 14 13 13 11 10 10 11 11 11

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.

Plains relative humidity averages
Average relative humidity in Plains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
57% 54% 46% 43% 48% 51% 52% 56% 61% 57% 56% 58%