Dillon (MT) monthly weather averages

Contents

Average daytime temperature

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

Dillon average temperature chart (Celsius) Dillon average temperature chart (Fahrenheit)
Average monthly temperatures in Dillon (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0 3.9 6.6 12.1 18 22.7 28 27 20.6 14.8 6 0.7
°F 31.9 38.9 43.9 53.9 64.3 72.9 82.5 80.7 69.1 58.6 42.8 33.2

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.

Dillon monthly rainfall chart (mm) Dillon monthly rainfall chart (inches)
Average monthly rainfall in Dillon (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 8 6 15 26 47 53 28 28 26 16 12 7
inches 0.3 0.2 0.6 1 1.9 2.1 1.1 1.1 1 0.6 0.5 0.3
Rainy days 11 9 11 10 11 10 7 7 7 6 9 11

Average annual rainfall in Dillon: 203.667mm (80.2 inches)

Average daily sunshine

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

Dillon average daily sunshine chart
Average daily sunshine Dillon
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.4 6 8 9 9.9 11.3 13 11.5 9.7 7.6 4.5 3.9

Day / night temperatures

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

Dillon average minimum / maximum temperatures (Celsius) Dillon average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dillon (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.5 -8.4 -6.6 -2.3 2.3 6.5 8.9 8.3 3.6 -0.6 -5.7 -10.4
Max °C 0.3 4.2 7 12.5 18.4 23.1 28.5 27.5 21.1 15.2 6.3 1
Min °F 11.4 17 20.2 27.9 36.1 43.7 48 46.9 38.4 31 21.7 13.4
Max °F 21.9 28.2 32.4 41.2 50.5 58.6 65.7 64.2 54.1 45.1 32.5 23.5

Sea temperature

The graph below shows the average sea temperature.

Dillon average sea temperature chart (Celsius) Dillon average sea temperature chart (Fahrenheit)
Average sea temperature around Dillon in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8.1 8.3 8.7 9.7 11.3 13.3 14.8 14.2 12.2 10.2 8.8
°F 46.8 46.6 46.9 47.7 49.4 52.4 55.9 58.6 57.5 54 50.4 47.9

Wind speed

The graph below shows the average wind speed.

Dillon average winspeed by month (km/h) Dillon average winspeed by month (mph)
Average wind speed in Dillon (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 16 17 16 15 14 14 14 13 14 14
mph 9 9 10 11 10 9 9 9 9 8 9 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.

Dillon relative humidity averages
Average relative humidity in Dillon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 68% 62% 55% 55% 53% 45% 46% 54% 59% 69% 73%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Dillon weather stats

Dillon weather statistics
Hottest month: July 28°C 82.4°F
Driest month: February 6mm 0.2ins
Sunniest month: July 13hrs
Coldest month: January -0°C 32°F
Wettest month: June 53mm 2.1ins
Warmest sea: August 14.8°C 58.6°F
Map showing location of Dillon (45.21631, -112.63752) Dillon map pin © Google

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