Harlowton (MT) monthly weather averages

Contents

Average daytime temperature

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

Harlowton average temperature chart (Celsius) Harlowton average temperature chart (Fahrenheit)
Average monthly temperatures in Harlowton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.4 3.1 5.9 11.8 17.2 22.7 27.9 27.4 20.1 14.5 6 1
°F 31.2 37.5 42.6 53.3 63 72.9 82.2 81.3 68.2 58 42.7 33.9

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.

Harlowton monthly rainfall chart (mm) Harlowton monthly rainfall chart (inches)
Average monthly rainfall in Harlowton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 18 14 25 38 77 73 39 38 37 29 19 16
inches 0.7 0.5 1 1.5 3 2.9 1.5 1.5 1.5 1.2 0.7 0.6
Rainy days 9 7 9 9 12 11 8 7 8 6 7 8

Average annual rainfall in Harlowton: 360.6mm (142 inches)

Average daily sunshine

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

Harlowton average daily sunshine chart
Average daily sunshine Harlowton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.9 6.4 8.5 9.2 10.1 11.3 12.7 11.5 9.3 7.4 4.9 4.3

Day / night temperatures

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

Harlowton average minimum / maximum temperatures (Celsius) Harlowton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Harlowton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.5 -8.4 -6.2 -1.6 3.1 7.5 10.3 9.6 4.3 0.2 -5.7 -9.9
Max °C -0.1 3.4 6.2 12.2 17.6 23.1 28.3 27.9 20.5 14.8 6.3 1.3
Min °F 11.4 17 20.8 29.2 37.5 45.5 50.5 49.2 39.7 32.4 21.8 14.2
Max °F 21.6 27.5 32 41.5 50.5 59.5 66.7 65.7 54.3 45.5 32.5 24.3

Sea temperature

The graph below shows the average sea temperature.

Harlowton average sea temperature chart (Celsius) Harlowton average sea temperature chart (Fahrenheit)
Average sea temperature around Harlowton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.4 7.3 7.5 8 9.1 10.8 12.9 14.7 14 11.7 9.5 8.1
°F 45.4 45.2 45.5 46.4 48.3 51.4 55.2 58.5 57.2 53.1 49.1 46.5

Wind speed

The graph below shows the average wind speed.

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

Harlowton relative humidity averages
Average relative humidity in Harlowton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
63% 62% 59% 54% 54% 52% 46% 46% 53% 54% 61% 64%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Harlowton weather stats

Harlowton weather statistics
Hottest month: July 27.9°C 82.2°F
Driest month: February 14mm 0.6ins
Sunniest month: July 12.7hrs
Coldest month: January -0.4°C 31.3°F
Wettest month: May 77mm 3ins
Warmest sea: August 14.7°C 58.5°F
Map showing location of Harlowton (46.43551, -109.83435) Harlowton map pin © Google

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