Frost Dates for Lacrosse, WA

Elevation: 450 m

Frost Dates

Last Spring Frost (50%) May 13

First Fall Frost (50%) September 26

30% Probability

Last Spring Frost May 19

First Fall Frost September 19

Hard Freeze (28°F)

Last Spring Hard Freeze April 29

First Fall Hard Freeze October 7

46.82°N, 117.88°W © OpenStreetMap

Growing Season

136 Days May 13 to September 26

USDA Hardiness Zone

Zone 6b

Avg. annual minimum: −5 to 0°F

Learn more

Köppen Climate

Csa Hot-Summer Mediterranean

Hot, dry summers and mild, wet winters. Classic Mediterranean climate ideal for grapes, olives, tomatoes, and herbs. Summer irrigation is usually necessary.

Köppen climate map

Temperature

20° 40° 60° 80°

32°

Jan

36°

Feb

42°

Mar

49°

Apr

57°

May

64°

Jun

71°

Jul

70°

Aug

61°

Sep

49°

Oct

39°

Nov

31°

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	39°	32°	26°
February	45°	36°	27°
March	54°	42°	31°
April	62°	49°	36°
May	72°	57°	42°
June	79°	64°	48°
July	90°	71°	53°
August	89°	70°	52°
September	79°	61°	44°
October	63°	49°	36°
November	47°	39°	30°
December	38°	31°	25°

Precipitation

0" 1" 2" 3" 3.1"

2.7"

Jan

2.2"

Feb

2.5"

Mar

2.4"

Apr

2.7"

May

2.5"

Jun

1.0"

Jul

0.0"

Aug

1.8"

Sep

2.1"

Oct

2.8"

Nov

3.1"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.7
February	2.2
March	2.5
April	2.4
May	2.7
June	2.5
July	1.0
August	0.0
September	1.8
October	2.1
November	2.8
December	3.1

Sunrise / Sunset

Jan: 7:38 AM – 4:22 PM · 8h 44m

Feb: 6:58 AM – 5:02 PM · 10h 03m

Mar: 6:12 AM – 5:48 PM · 11h 36m

Apr: 5:19 AM – 6:41 PM · 13h 21m

May: 4:35 AM – 7:25 PM · 14h 50m

Jun: 4:11 AM – 7:49 PM · 15h 39m

Jul: 4:21 AM – 7:39 PM · 15h 19m

Aug: 4:59 AM – 7:01 PM · 14h 01m

Sep: 5:51 AM – 6:09 PM · 12h 19m

Oct: 6:42 AM – 5:18 PM · 10h 37m

Nov: 7:27 AM – 4:33 PM · 9h 06m

Dec: 7:49 AM – 4:11 PM · 8h 21m

Daylight Longest: 15h 40m · Shortest: 8h 20m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:38 AM	4:22 PM	8h 44m
February	6:58 AM	5:02 PM	10h 03m
March	6:12 AM	5:48 PM	11h 36m
April	5:19 AM	6:41 PM	13h 21m
May	4:35 AM	7:25 PM	14h 50m
June	4:11 AM	7:49 PM	15h 39m
July	4:21 AM	7:39 PM	15h 19m
August	4:59 AM	7:01 PM	14h 01m
September	5:51 AM	6:09 PM	12h 19m
October	6:42 AM	5:18 PM	10h 37m
November	7:27 AM	4:33 PM	9h 06m
December	7:49 AM	4:11 PM	8h 21m

Nearby Stations

St John, WAApril 29 - October 4 Pomeroy, WAMay 2 - October 4 Ritzville 1 Sse, WA May 7 - October 10 Pullman 2 Nw, WA May 6 - September 29 Lind 3 Ne, WAMay 7 - October 4 Dayton 1 Wsw, WA April 28 - October 13

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