Frost Dates for Lander, WY

Based on data from Lander Hunt Fld AP weather station, 1 miles away

Elevation: 5354 ft

Frost Dates

Last Spring Frost (50%) May 18

First Fall Frost (50%) September 27

30% Probability

Last Spring Frost May 25

First Fall Frost September 22

Hard Freeze (28°F)

Last Spring Hard Freeze May 4

First Fall Hard Freeze October 6

42.83°N, 108.73°W © OpenStreetMap

Growing Season

132 Days May 18 to September 27

USDA Hardiness Zone

Zone 5a

Avg. annual minimum: −20 to −15°F

Learn more

Köppen Climate

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

0° 30° 60° 90°

21°

Jan

25°

Feb

36°

Mar

43°

Apr

53°

May

63°

Jun

72°

Jul

70°

Aug

60°

Sep

45°

Oct

32°

Nov

22°

Dec

32°F

28°F

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
January	33°	21°	10°
February	37°	25°	13°
March	49°	36°	23°
April	56°	43°	30°
May	66°	53°	39°
June	78°	63°	48°
July	88°	72°	55°
August	86°	70°	54°
September	75°	60°	45°
October	59°	45°	32°
November	44°	32°	20°
December	33°	22°	10°

Precipitation

0" 2" 4" 4.0"

2.3"

Jan

2.1"

Feb

2.8"

Mar

4.0"

Apr

3.8"

May

2.4"

Jun

1.3"

Jul

1.3"

Aug

2.6"

Sep

3.9"

Oct

2.9"

Nov

3.0"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.3
February	2.1
March	2.8
April	4.0
May	3.8
June	2.4
July	1.3
August	1.3
September	2.6
October	3.9
November	2.9
December	3.0

Sunrise / Sunset

Jan: 7:49 AM – 4:60 PM · 9h 11m

Feb: 7:20 AM – 5:39 PM · 10h 19m

Mar: 7:35 AM – 7:14 PM · 11h 39m

Apr: 6:40 AM – 7:50 PM · 13h 11m

May: 5:58 AM – 8:25 PM · 14h 27m

Jun: 5:41 AM – 8:49 PM · 15h 08m

Jul: 5:55 AM – 8:46 PM · 14h 51m

Aug: 6:27 AM – 8:12 PM · 13h 45m

Sep: 7:01 AM – 7:18 PM · 12h 16m

Oct: 7:36 AM – 6:24 PM · 10h 48m

Nov: 7:15 AM – 4:45 PM · 9h 30m

Dec: 7:45 AM – 4:36 PM · 8h 52m

Daylight Mountain Time (MT) Longest: 15h 10m · Shortest: 8h 50m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month	Sunrise	Sunset	Daylight
January	7:49 AM	4:60 PM	9h 11m
February	7:20 AM	5:39 PM	10h 19m
March	7:35 AM	7:14 PM	11h 39m
April	6:40 AM	7:50 PM	13h 11m
May	5:58 AM	8:25 PM	14h 27m
June	5:41 AM	8:49 PM	15h 08m
July	5:55 AM	8:46 PM	14h 51m
August	6:27 AM	8:12 PM	13h 45m
September	7:01 AM	7:18 PM	12h 16m
October	7:36 AM	6:24 PM	10h 48m
November	7:15 AM	4:45 PM	9h 30m
December	7:45 AM	4:36 PM	8h 52m

Nearby Stations

Lander 11 Sse, WY May 13 - October 2 Riverton, WYMay 16 - September 28 Atlantic City, WY Riverton, WYMay 12 - September 24 South Pass City, WY Pavillion, WY May 14 - September 30

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