Ashton, Idaho Climate

United States

Pop. 1,051 Elev. 1,604 m / 5,263 ft TZ: America/Boise (UTC-6) ·

Ashton has harsh winters with January lows averaging 8°F (-13°C), and mild summers with July highs of 84°F (29°C). Rain falls on about 18 days per year (12.9 in / 328 mm total), with snow on 14 days and 90 in (2288 mm) of annual accumulation. The city averages 172 sunny days per year. Nearby lake water reaches 56°F (13°C) in summer.

Temperature 84°F (29°C) high 8°F (-13°C) low
Feels like 81°F (27°C) high 8°F (-13°C) low
Rain 18 days 12.9 in (328 mm) /yr
Snow 14 days 90.1 in (2288 mm) /yr
Sky 172 sunny 12 stormy
Wind 2.3 mph (1.0 m/s) avg

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Monthly Climate Chart

↓ Monthly data table
Best months to visit: Jun, Jul, Sep

Sky & Air by Month

Cloud cover (%)
45
Jan
72
Feb
62
Mar
47
Apr
43
May
33
Jun
25
Jul
34
Aug
33
Sep
44
Oct
58
Nov
65
Dec
Humidity (%)
79
Jan
80
Feb
69
Mar
62
Apr
60
May
48
Jun
39
Jul
41
Aug
54
Sep
70
Oct
71
Nov
76
Dec

Weather Days by Month

↓ Weather days table

Water Temperatures

↓ Water temperatures table

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Nearby Cities

Nearby

Commercial airport 46 mi Yellowstone Airport (WYS)
Ski resort 31 mi Kelly Canyon Ski Resort
National park 36 mi John D. Rockefeller, Jr. Memorial Parkway
Mountain peak (6,444 ft) 7 mi Snake River Butte
Hospital 23 mi Madison Memorial Hospital
Hiking trail 41 mi Teton Crest Trail

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Monthly Weather Data

↑ See chart
Month Avg High Avg Low Rainfall Snowfall Sunny Days
January 24°F -5°C 8°F -13°C 0.0 in 0 mm 13.5 in342 mm 15
February 33°F 0°C 21°F -6°C 0.4 in 10 mm 34.3 in871 mm 4
March 44°F 7°C 29°F -2°C 0.4 in 11 mm 14.1 in359 mm 8
April 54°F 12°C 31°F -1°C 1.1 in 27 mm 2.9 in73 mm 14
May 66°F 19°C 40°F 5°C 2.1 in 55 mm 0.7 in17 mm 16
June 75°F 24°C 46°F 8°C 0.5 in 11 mm 0.2 in6 mm 19
July 84°F 29°C 53°F 12°C 0.4 in 11 mm 26
August 82°F 28°C 52°F 11°C 1.7 in 44 mm 21
September 74°F 23°C 46°F 8°C 0.9 in 24 mm 17
October 54°F 12°C 34°F 1°C 2.4 in 60 mm 3.4 in86 mm 14
November 46°F 8°C 31°F 0°C 0.6 in 16 mm 1.7 in42 mm 9
December 39°F 4°C 26°F -3°C 2.3 in 59 mm 19.4 in491 mm 9

Weather Days by Month

↑ See chart
Month Sunny Days Storm Days
January 15 0
February 4 0
March 8 0
April 14 0
May 16 3
June 19 0
July 26 0
August 21 2
September 17 1
October 14 3
November 9 0
December 9 3

Water Temperatures Data

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Month Lake Avg High
January 32°F 0°C
February 32°F 0°C
March 32°F 0°C
April 32°F 0°C
May 34°F 1°C
June 39°F 4°C
July 47°F 8°C
August 55°F 13°C
September 56°F 13°C
October 48°F 9°C
November 41°F 5°C
December 35°F 2°C