Frost Dates for Mission, OR

Based on data from Pendleton Branch Exp Stn weather station, 4 miles away

Elevation: 1217 ft

Frost Dates

Last Spring Frost (50%) May 12

First Fall Frost (50%) September 27

30% Probability

Last Spring Frost May 19

First Fall Frost September 18

Hard Freeze (28°F)

Last Spring Hard Freeze April 27

First Fall Hard Freeze October 10

45.67°N, 118.68°W © OpenStreetMap

Growing Season

138 Days May 12 to September 27

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°

35°

Jan

38°

Feb

43°

Mar

49°

Apr

56°

May

62°

Jun

71°

Jul

69°

Aug

61°

Sep

50°

Oct

40°

Nov

34°

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	43°	35°	27°
February	47°	38°	28°
March	55°	43°	31°
April	62°	49°	35°
May	70°	56°	42°
June	78°	62°	47°
July	90°	71°	52°
August	89°	69°	50°
September	79°	61°	43°
October	65°	50°	35°
November	51°	40°	30°
December	42°	34°	26°

Precipitation

0" 1" 2" 2.9"

2.5"

Jan

2.2"

Feb

2.7"

Mar

2.5"

Apr

2.9"

May

2.4"

Jun

0.6"

Jul

0.0"

Aug

1.9"

Sep

2.5"

Oct

2.6"

Nov

2.5"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.5
February	2.2
March	2.7
April	2.5
May	2.9
June	2.4
July	0.6
August	0.0
September	1.9
October	2.5
November	2.6
December	2.5

Sunrise / Sunset

Jan: 7:38 AM – 4:30 PM · 8h 52m

Feb: 7:05 AM – 5:13 PM · 10h 08m

Mar: 7:16 AM – 6:53 PM · 11h 37m

Apr: 6:16 AM – 7:34 PM · 13h 18m

May: 5:29 AM – 8:12 PM · 14h 43m

Jun: 5:10 AM – 8:40 PM · 15h 30m

Jul: 5:25 AM – 8:35 PM · 15h 11m

Aug: 6:00 AM – 7:57 PM · 13h 57m

Sep: 6:40 AM – 6:58 PM · 12h 18m

Oct: 7:20 AM – 5:60 PM · 10h 40m

Nov: 7:03 AM – 4:16 PM · 9h 13m

Dec: 7:35 AM – 4:05 PM · 8h 30m

Daylight Pacific Time (PT) Longest: 15h 31m · Shortest: 8h 29m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month	Sunrise	Sunset	Daylight
January	7:38 AM	4:30 PM	8h 52m
February	7:05 AM	5:13 PM	10h 08m
March	7:16 AM	6:53 PM	11h 37m
April	6:16 AM	7:34 PM	13h 18m
May	5:29 AM	8:12 PM	14h 43m
June	5:10 AM	8:40 PM	15h 30m
July	5:25 AM	8:35 PM	15h 11m
August	6:00 AM	7:57 PM	13h 57m
September	6:40 AM	6:58 PM	12h 18m
October	7:20 AM	5:60 PM	10h 40m
November	7:03 AM	4:16 PM	9h 13m
December	7:35 AM	4:05 PM	8h 30m

Nearby Stations

Pendleton Dwtn, OR April 22 - October 9 Pendleton Wfo, OR April 14 - October 22 Pendleton, OR April 26 - October 16 Meacham, OR Milton Freewater, OR March 25 - October 29 Pilot Rock 1 Se, OR May 7 - October 4

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!