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Firth, ID Weather


Firth, 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 85.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 14.00 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 36 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.

The annual average precipitation at Firth is 9.69 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.33 Inches.

Weather Data

Current Conditions

(Updated: 7:53 PM MST MON NOV 23 2009)

Mostly Cloudy Mostly Cloudy, 18°F Humidity: 84% Dewpoint: 14°F
Wind Speed: CALM Heat Index: 18°F
Barometer: 30.43 in. Wind Chill: 18°F

Weather Forecast

(Generated: 2:13 PM MST MON NOV 23 2009)
  Tonight: Mostly clear. Lows 10 to 20. Southwest winds around 10 mph in the evening...Becoming light and variable.
Lo: 16°F
Hi: 34°F Tuesday: Mostly sunny. Highs 29 to 37. Light and variable winds.
Lo: 19°F
Hi: 36°F Wednesday: Sunny. Highs 32 to 39. Light and variable winds.
Lo: 20°F
Hi: 42°F Thanksgiving day: Sunny. Highs 38 to 45.
Lo: 23°F
Hi: 41°F Friday: Partly sunny with a slight chance of rain. Highs 37 to 44.
Lo: 25°F
Hi: 34°F Saturday: Partly sunny with a chance of snow and rain. Highs 29 to 37.
Lo: 21°F
Hi: 31°F Sunday: Partly sunny with a slight chance of snow. Highs 27 to 34.
Lo: 19°F

Moon, Sunrise and Sunset

First Quarter Moon Moon Phase: First Quarter Moon Civil Twilight:
6:59 AM MST
Sunrise:
7:31 AM MST
Sunset:
4:58 PM MST
Civil Twilight:
5:29 PM MST

Normal Climate

Normal Temperatures

(BLACKFOOT 1 SE Weather station, 11.10 miles from Firth)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 30.5 37.4 48.7 59.0 67.8 77.3 85.0 84.8 74.8 61.9 43.9 32.0 58.6
Mean °F 22.3 28.0 37.1 45.2 53.2 61.1 67.5 66.8 57.7 46.8 33.4 23.1 45.2
Min °F 14.0 18.6 25.5 31.4 38.5 44.9 50.0 48.7 40.5 31.6 22.9 14.2 31.7

Normal Precipitation

(BLACKFOOT 1 SE Weather station, 11.10 miles from Firth)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.86 0.73 0.89 0.93 1.33 0.87 0.53 0.45 0.70 0.84 0.81 0.75 9.69