Boise Weather History (ID)

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 29.0 80% 70% 26 0 1.5 4 5 22
February 35.9 79% 60% 21 0 1.1 5 6 17
March 42.4 73% 44% 17 0 1.3 6 7 18
April 49.1 70% 36% 8 N/A 1.2 6 9 15
May 57.5 69% 34% 2 1 1.1 8 10 13
June 66.5 66% 30% N/A 5 0.8 12 10 8
July 74.0 54% 22% 0 19 0.4 20 7 3
August 72.5 52% 23% 0 16 0.4 19 8 4
September 62.6 58% 29% 0 3 0.8 17 7 6
October 51.8 66% 38% 6 N/A 0.8 12 8 11
November 39.9 77% 60% 18 0 1.5 6 6 18
December 30.1 81% 71% 26 0 1.4 5 6 20
Annual 50.9 69% 43% 122 44 12.1 120 90 155


Average Temperature (ºF)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
29.0 35.9 42.4 49.1 57.5 66.5 74.0 72.5 62.6 51.8 39.9 30.1

Relative Humidity (Percentage)
Morning
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
80% 79% 73% 70% 69% 66% 54% 52% 58% 66% 77% 81%
Afternoon
70% 60% 44% 36% 34% 30% 22% 23% 29% 38% 60% 71%

Rain (Inches)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
1.5 1.1 1.3 1.2 1.1 0.8 0.4 0.4 0.8 0.8 1.5 1.4

Cloudiness (Days Per Month)
  January February March
Clear 4 Days 5 Days 6 Days
Partly Cloudy 5 Days 6 Days 7 Days
Cloudy 22 Days 18 Days 18 Days
  April May June
Clear 6 Days 8 Days 12 Days
Partly Cloudy 9 Days 10 Days 10 Days
Cloudy 15 Days 13 Days 8 Days
  July August September
Clear 20 Days 19 Days 17 Days
Partly Cloudy 7 Days 8 Days 7 Days
Cloudy 3 Days 4 Days 6 Days
  October November December
Clear 12 Days 6 Days 5 Days
Partly Cloudy 8 Days 6 Days 6 Days
Cloudy 11 Days 18 Days 20 Days
  Clear Partly Cloudy Cloudy
 
Days Per Year 120 90 155


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