Billings Weather History (MT)

Summary
  Temp.
(ºF)		 Relative Humidity
(Percentage)		 Extreme Temp.
(Days Per Month)		 Rain
(Inches) 		Cloudiness
(Days Per Month)
  Average A.M. P.M. Below
32º		 Above
90º 		Average Clear Partly
Cloudy		 Cloudy
January 22.8 65% 57% 27 0 0.9 6 8 18
February 29.0 66% 51% 24 0 0.6 4 8 16
March 35.5 68% 46% 23 0 1.2 4 9 18
April 45.6 69% 42% 12 N/A 1.7 4 9 17
May 55.0 71% 42% 2 N/A 2.6 6 10 15
June 64.8 72% 40% N/A 4 2.0 7 12 11
July 72.5 65% 32% 0 12 0.9 13 12 6
August 70.7 61% 30% 0 11 1.0 14 11 7
September 59.1 65% 37% 1 2 1.4 10 9 10
October 49.1 64% 42% 8 N/A 1.1 9 9 13
November 35.1 66% 54% 22 0 0.8 6 8 17
December 25.5 65% 57% 28 0 0.8 6 8 17
Annual 47.1 66% 44% 147 29 15.1 89 112 164


Average Temperature (ºF)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
22.8 29.0 35.5 45.6 55.0 64.8 72.5 70.7 59.1 49.1 35.1 25.5

Relative Humidity (Percentage)
Morning
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
65% 66% 68% 69% 71% 72% 65% 61% 65% 64% 66% 65%
Afternoon
57% 51% 46% 42% 42% 40% 32% 30% 37% 42% 54% 57%

Rain (Inches)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
0.9 0.6 1.2 1.7 2.6 2.0 0.9 1.0 1.4 1.1 0.8 0.8

Cloudiness (Days Per Month)
  January February March
Clear 6 Days 4 Days 4 Days
Partly Cloudy 8 Days 8 Days 9 Days
Cloudy 18 Days 18 Days 18 Days
  April May June
Clear 4 Days 6 Days 7 Days
Partly Cloudy 9 Days 10 Days 12 Days
Cloudy 17 Days 15 Days 11 Days
  July August September
Clear 13 Days 14 Days 10 Days
Partly Cloudy 12 Days 11 Days 9 Days
Cloudy 6 Days 7 Days 10 Days
  October November December
Clear 9 Days 6 Days 6 Days
Partly Cloudy 9 Days 8 Days 8 Days
Cloudy 13 Days 17 Days 17 Days
  Clear Partly Cloudy Cloudy
 
Days Per Year 89 112 164


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