Frost Dates for Pendleton Dwtn, OR

Elevation: 317 m

Frost Dates

Last Spring Frost (50%) April 22

First Fall Frost (50%) October 9

30% Probability

Last Spring Frost April 30

First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze March 31

First Fall Hard Freeze October 24

45.67°N, 118.80°W © OpenStreetMap

Growing Season

170 Days April 22 to October 9

USDA Hardiness Zone

Zone 7a

Avg. annual minimum: 0 to 5°F

Learn more

Köppen Climate

BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

20° 40° 60° 80° 100°

36°

Jan

39°

Feb

46°

Mar

52°

Apr

59°

May

65°

Jun

73°

Jul

72°

Aug

64°

Sep

52°

Oct

42°

Nov

36°

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	45°	36°	28°
February	49°	39°	29°
March	58°	46°	33°
April	65°	52°	39°
May	73°	59°	45°
June	80°	65°	51°
July	90°	73°	56°
August	90°	72°	54°
September	80°	64°	47°
October	67°	52°	38°
November	52°	42°	32°
December	44°	36°	28°

Precipitation

0" 1" 2" 2.5"

1.9"

Jan

1.8"

Feb

2.2"

Mar

2.4"

Apr

2.5"

May

2.1"

Jun

0.3"

Jul

0.4"

Aug

1.8"

Sep

1.9"

Oct

2.0"

Nov

2.4"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	1.9
February	1.8
March	2.2
April	2.4
May	2.5
June	2.1
July	0.3
August	0.4
September	1.8
October	1.9
November	2.0
December	2.4

Sunrise / Sunset

Jan: 7:34 AM – 4:26 PM · 8h 52m

Feb: 6:56 AM – 5:04 PM · 10h 08m

Mar: 6:12 AM – 5:48 PM · 11h 37m

Apr: 5:21 AM – 6:39 PM · 13h 18m

May: 4:38 AM – 7:22 PM · 14h 43m

Jun: 4:15 AM – 7:45 PM · 15h 29m

Jul: 4:25 AM – 7:35 PM · 15h 10m

Aug: 5:02 AM – 6:58 PM · 13h 56m

Sep: 5:51 AM – 6:09 PM · 12h 18m

Oct: 6:40 AM – 5:20 PM · 10h 40m

Nov: 7:23 AM – 4:37 PM · 9h 13m

Dec: 7:45 AM – 4:15 PM · 8h 30m

Daylight Longest: 15h 31m · Shortest: 8h 29m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:34 AM	4:26 PM	8h 52m
February	6:56 AM	5:04 PM	10h 08m
March	6:12 AM	5:48 PM	11h 37m
April	5:21 AM	6:39 PM	13h 18m
May	4:38 AM	7:22 PM	14h 43m
June	4:15 AM	7:45 PM	15h 29m
July	4:25 AM	7:35 PM	15h 10m
August	5:02 AM	6:58 PM	13h 56m
September	5:51 AM	6:09 PM	12h 18m
October	6:40 AM	5:20 PM	10h 40m
November	7:23 AM	4:37 PM	9h 13m
December	7:45 AM	4:15 PM	8h 30m

Nearby Stations

Pendleton Wfo, OR April 14 - October 22 Pendleton, OR April 26 - October 16 Pendleton Branch Exp Stn, OR May 12 - September 27 Pilot Rock 1 Se, OR May 7 - October 4 Meacham, OR Hermiston Muni AP, OR April 26 - October 10

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