Riverton (UT) monthly weather averages

Average daytime temperature

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

Riverton average temperature chart (Celsius) Riverton average temperature chart (Fahrenheit)
Average monthly temperatures in Riverton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.7 5.4 10 15.2 21.4 27.1 32 30.5 24.9 17.8 9.3 2.7
°F 35.1 41.8 49.9 59.4 70.5 80.8 89.7 87 76.8 64 48.8 36.9

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.

Riverton monthly rainfall chart (mm) Riverton monthly rainfall chart (inches)
Average monthly rainfall in Riverton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 30 28 40 48 40 24 17 26 27 33 32 36
inches 1.2 1.1 1.6 1.9 1.6 0.9 0.7 1 1.1 1.3 1.3 1.4
Rainy days 9 8 10 10 9 6 5 6 6 6 8 10

Average annual rainfall in Riverton: 309.466mm (121.8 inches)

Average daily sunshine

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

Riverton average daily sunshine chart
Average daily sunshine Riverton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 6.6 8.3 9.5 10.9 12.6 12.8 11.8 10.6 8.7 5.7 4.5

Day / night temperatures

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

Riverton average minimum / maximum temperatures (Celsius) Riverton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Riverton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.8 -5.9 -1.9 1.7 6.1 10.7 15 13.9 8.3 2.5 -2.4 -7.4
Max °C 2 5.7 10.3 15.6 21.8 27.5 32.5 31 25.3 18.2 9.6 3
Min °F 16.3 21.4 28.7 35 42.9 51.3 58.9 56.9 46.9 36.4 27.7 18.8
Max °F 25.9 31.8 39.6 47.5 57 66.4 74.7 72.3 62.2 50.5 38.5 28

Sea temperature

The graph below shows the average sea temperature.

Riverton average sea temperature chart (Celsius) Riverton average sea temperature chart (Fahrenheit)
Average sea temperature around Riverton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.8 10.6 10.8 11.2 12.2 13.8 15.7 17.1 16.6 14.9 13 11.5
°F 51.4 51.1 51.4 52.1 54 56.9 60.3 62.8 61.9 58.8 55.4 52.7

Wind speed

The graph below shows the average wind speed.

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

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.

Riverton relative humidity averages
Average relative humidity in Riverton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 69% 59% 52% 48% 40% 36% 39% 45% 55% 65% 73%

Other monthly averages

UV index Best time to go?

Riverton weather stats

Riverton weather statistics
Hottest month: July 32°C 89.6°F
Driest month: July 17mm 0.7ins
Sunniest month: July 12.8hrs
Coldest month: January 1.7°C 35.1°F
Wettest month: April 48mm 1.9ins
Warmest sea: August 17.1°C 62.8°F
Map showing location of Riverton (40.52189, -111.9391) Riverton map pin © Google

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