Frost Dates for Swan Valley, ID

Frost Dates

This location has year-round freezing temperatures.

43.44°N, -111.28°W © OpenStreetMap

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 5a

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Temperature

10° 30° 50° 70° 90°
21°
High: 30°
Avg: 21°
Low: 11°
Jan
24°
High: 35°
Avg: 24°
Low: 14°
Feb
33°
High: 45°
Avg: 33°
Low: 22°
Mar
42°
High: 56°
Avg: 42°
Low: 27°
Apr
50°
High: 66°
Avg: 50°
Low: 35°
May
58°
High: 75°
Avg: 58°
Low: 41°
Jun
65°
High: 85°
Avg: 65°
Low: 46°
Jul
64°
High: 84°
Avg: 64°
Low: 44°
Aug
56°
High: 75°
Avg: 56°
Low: 37°
Sep
44°
High: 59°
Avg: 44°
Low: 29°
Oct
32°
High: 43°
Avg: 32°
Low: 20°
Nov
22°
High: 32°
Avg: 22°
Low: 12°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.2"
4.2"
4.20"
Jan
3.1"
3.07"
Feb
3.1"
3.10"
Mar
3.0"
3.00"
Apr
3.5"
3.55"
May
3.2"
3.20"
Jun
2.5"
2.52"
Jul
2.6"
2.57"
Aug
3.4"
3.42"
Sep
4.0"
3.98"
Oct
3.7"
3.69"
Nov
3.9"
3.87"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h15h15h15h14h12h11h9h9h
Jan: 7:27 AM – 4:33 PM · 9h 07m
Feb: 6:52 AM – 5:08 PM · 10h 17m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 12m
May: 4:45 AM – 7:15 PM · 14h 30m
Jun: 4:24 AM – 7:36 PM · 15h 13m
Jul: 4:32 AM – 7:28 PM · 14h 55m
Aug: 5:06 AM – 6:54 PM · 13h 47m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:17 AM – 4:43 PM · 9h 26m
Dec: 7:36 AM – 4:24 PM · 8h 47m
Daylight Longest: 15h 14m · Shortest: 8h 46m

Nearby Stations

Driggs, IDJune 13 - September 9 Idaho Falls 16 Se, ID June 9 - September 11 Jackson, WY Alta 1 Nnw, WY June 14 - September 11 Tetonia Exp Stn, ID June 15 - September 7 Moose, WYJune 20 - August 31

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