Hysham (MT) monthly weather averages

Contents

Average daytime temperature

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

Hysham average temperature chart (Celsius) Hysham average temperature chart (Fahrenheit)
Average monthly temperatures in Hysham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.5 3 8.3 15.3 20.6 26.6 31.2 30.4 23.1 17.2 7.2 0.2
°F 29.3 37.3 46.9 59.5 69 79.8 88.2 86.8 73.6 63 45 32.3

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.

Hysham monthly rainfall chart (mm) Hysham monthly rainfall chart (inches)
Average monthly rainfall in Hysham (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 16 13 19 38 63 64 31 30 38 26 17 16
inches 0.6 0.5 0.8 1.5 2.5 2.5 1.2 1.2 1.5 1 0.7 0.6
Rainy days 8 7 8 9 11 11 7 6 7 6 6 8

Average annual rainfall in Hysham: 309.8mm (122 inches)

Average daily sunshine

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

Hysham average daily sunshine chart
Average daily sunshine Hysham
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 6.3 7.9 8.9 9.9 11.3 12.6 11.5 9.2 7.1 5 4.6

Day / night temperatures

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

Hysham average minimum / maximum temperatures (Celsius) Hysham average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hysham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -15.1 -11.1 -6.1 -0 5.3 10.3 13.2 11.9 6.1 0.4 -7 -13.3
Max °C -1.2 3.3 8.7 15.7 21 27 31.7 30.9 23.6 17.7 7.6 0.5
Min °F 4.9 12 21.1 31.9 41.5 50.5 55.7 53.4 42.9 32.6 19.5 8.1
Max °F 17.4 25 34.3 46 55.6 65.5 72.3 70.5 58.6 48.2 32.5 20.5

Sea temperature

The graph below shows the average sea temperature.

Hysham average sea temperature chart (Celsius) Hysham average sea temperature chart (Fahrenheit)
Average sea temperature around Hysham in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.3 7.1 7.3 7.9 9 10.8 12.9 15 14.2 11.7 9.4 7.9
°F 45.1 44.8 45.2 46.2 48.2 51.4 55.3 58.9 57.5 53.1 49 46.2

Wind speed

The graph below shows the average wind speed.

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

Hysham relative humidity averages
Average relative humidity in Hysham
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 67% 64% 56% 57% 55% 47% 46% 53% 57% 65% 68%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Hysham weather stats

Hysham weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: February 13mm 0.5ins
Sunniest month: July 12.6hrs
Coldest month: January -1.5°C 29.3°F
Wettest month: June 64mm 2.5ins
Warmest sea: August 15°C 59°F
Map showing location of Hysham (46.29277, -107.23423) Hysham map pin © Google

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