Fort Sumner (NM) monthly weather averages

Average daytime temperature

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

Fort Sumner average temperature chart (Celsius) Fort Sumner average temperature chart (Fahrenheit)
Average monthly temperatures in Fort Sumner (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.7 14.2 18.1 22.9 27.3 31.6 32.8 31.3 28.1 23.1 16.8 12.1
°F 53.1 57.5 64.6 73.2 81.2 88.9 91.1 88.4 82.5 73.6 62.2 53.8

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.

Fort Sumner monthly rainfall chart (mm) Fort Sumner monthly rainfall chart (inches)
Average monthly rainfall in Fort Sumner (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 10 12 12 14 30 45 57 78 51 34 17 12
inches 0.4 0.5 0.5 0.5 1.2 1.8 2.2 3.1 2 1.3 0.7 0.5
Rainy days 4 4 4 3 5 6 7 9 7 4 3 4

Average annual rainfall in Fort Sumner: 299.867mm (118.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Fort Sumner

Fort Sumner average daily sunshine chart
Average daily sunshine Fort Sumner
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.9 8.5 9.6 10.9 11.6 12.3 11.6 10.7 9.6 9.5 8 7.5

Day / night temperatures

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

Fort Sumner average minimum / maximum temperatures (Celsius) Fort Sumner average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Fort Sumner (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.6 -3.2 -0.4 4.5 9.5 14.4 17 15.9 12 5.1 -0.6 -4.7
Max °C 12.2 14.6 18.6 23.4 27.8 32.1 33.2 31.7 28.5 23.6 17.2 12.5
Min °F 22 26.2 31.4 40 49 57.8 62.6 60.6 53.5 41.1 30.9 23.5
Max °F 37.9 42.3 48.4 57 65.5 73.8 77.2 74.8 68.4 57.7 46.9 39

Sea temperature

The graph below shows the average sea temperature.

Fort Sumner average sea temperature chart (Celsius) Fort Sumner average sea temperature chart (Fahrenheit)
Average sea temperature around Fort Sumner in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.9 13.7 14.1 15.1 16.8 18.8 20.9 22.2 21.5 19.3 17 15.1
°F 57.1 56.6 57.4 59.2 62.2 65.9 69.6 72 70.7 66.7 62.6 59.1

Wind speed

The graph below shows the average wind speed.

Fort Sumner average winspeed by month (km/h) Fort Sumner average winspeed by month (mph)
Average wind speed in Fort Sumner (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 19 20 19 18 16 15 16 16 16 15
mph 10 11 12 13 12 11 10 9 10 10 10 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.

Fort Sumner relative humidity averages
Average relative humidity in Fort Sumner
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
56% 52% 43% 38% 43% 45% 48% 54% 55% 53% 52% 56%