Frost Dates for Bayview Model Basin, ID

Elevation: 636 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 22
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. September 22

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost May 28
First Fall Frost September 15

Hard Freeze (28°F)

Last Spring Hard Freeze May 4
First Fall Hard Freeze October 4
47.98°N, 116.56°W © OpenStreetMap

Growing Season

123 Days May 22 to September 22

USDA Hardiness Zone

Hardiness 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 6b

Avg. annual minimum: −5 to 0°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January35°29°23°
February38°31°23°
March45°37°28°
April54°44°33°
May64°52°39°
June71°58°45°
July80°65°50°
August80°64°49°
September69°56°42°
October54°44°33°
November42°35°27°
December34°28°22°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January4.5
February3.4
March4.3
April3.6
May3.9
June3.6
July3.4
August3.6
September3.9
October5.0
November5.3
December4.8

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 50m · Shortest: 8h 10m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:38 AM4:13 PM8h 35m
February7:02 AM5:00 PM9h 58m
March7:08 AM6:43 PM11h 35m
April6:04 AM7:29 PM13h 25m
May5:14 AM8:11 PM14h 58m
June4:52 AM8:41 PM15h 49m
July5:08 AM8:36 PM15h 28m
August5:47 AM7:54 PM14h 06m
September6:31 AM6:51 PM12h 20m
October7:15 AM5:48 PM10h 33m
November7:02 AM4:01 PM8h 59m
December7:36 AM3:48 PM8h 11m

Nearby Stations

Sandpoint Exp Stn, ID May 8 - September 28 Coeur D'Alene, ID April 22 - October 18 Cabinet Gorge, ID May 9 - October 8 Newport, WAMay 12 - September 21 Heron 2 Nw, MT May 20 - September 20 Priest Rvr Exp Stn, ID May 20 - September 13

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