Home

Ketchum, ID Weather


Ketchum, ID climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 80.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 3.90 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 39 degrees Fahrenheit, and moderate during winter with an average difference of 29 degrees Fahrenheit.

The annual average precipitation at Ketchum is 18.91 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is December with an average rainfall of 2.32 Inches.

Weather Data

Current Conditions

(Updated: 7:55 PM MST MON NOV 23 2009)

Partly Cloudy Partly Cloudy, 19°F Humidity: 86% Dewpoint: 16°F
Wind Speed: N 4.6 MPH (4 KT) Heat Index: 19°F
Barometer: 30.40 in. Wind Chill: 12°F

Weather Forecast

(Generated: 2:13 PM MST MON NOV 23 2009)
  Tonight: Partly cloudy. Lows 14 to 21.
Lo: 18°F
Hi: 36°F Tuesday: Partly sunny. Highs 31 to 40.
Lo: 22°F
Hi: 38°F Wednesday: Sunny. Highs 34 to 41.
Lo: 18°F
Hi: 42°F Thanksgiving day: Sunny. Highs 37 to 46.
Lo: 27°F
Hi: 39°F Friday: Mostly cloudy with a chance of rain and snow. Highs 34 to 43.
Lo: 21°F
Hi: 36°F Saturday: Mostly cloudy with a chance of snow. Lows 16 to 24. Highs 30 to 40.
Lo: 20°F
Hi: 33°F Sunday: Mostly cloudy. A slight chance of snow. Lows 16 to 23. Highs 27 to 37.
Lo: 21°F

Moon, Sunrise and Sunset

First Quarter Moon Moon Phase: First Quarter Moon Civil Twilight:
7:09 AM MST
Sunrise:
7:41 AM MST
Sunset:
5:05 PM MST
Civil Twilight:
5:37 PM MST

Normal Climate

Normal Temperatures

(KETCHUM RANGER STN Weather station, 0.36 miles from Ketchum)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 31.6 37.0 43.7 53.5 62.9 72.1 80.9 79.9 70.1 58.7 42.0 32.3 55.4
Mean °F 17.8 22.2 29.6 38.9 47.4 54.8 61.9 60.3 51.7 41.7 28.2 18.9 39.5
Min °F 3.9 7.4 15.4 24.2 31.8 37.5 42.8 40.6 33.2 24.7 14.4 5.4 23.4

Normal Precipitation

(KETCHUM RANGER STN Weather station, 0.36 miles from Ketchum)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 2.25 2.06 1.96 1.23 1.83 1.48 0.86 0.82 1.19 1.13 1.78 2.32 18.91