Frost Dates for Dayton, OR

Based on data from Mcminnville Muni AP weather station, 3 miles away

Elevation: 157 ft

Frost Dates

Last Spring Frost (50%) April 15

First Fall Frost (50%) October 26

30% Probability

Last Spring Frost April 26

First Fall Frost October 17

Hard Freeze (28°F)

Last Spring Hard Freeze March 3

First Fall Hard Freeze November 16

45.22°N, 123.08°W © OpenStreetMap

Growing Season

194 Days April 15 to October 26

USDA Hardiness Zone

Zone 8b

Avg. annual minimum: 15 to 20°F

Learn more

Köppen Climate

Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

30° 50° 70° 90°

41°

Jan

43°

Feb

46°

Mar

50°

Apr

56°

May

61°

Jun

67°

Jul

68°

Aug

63°

Sep

53°

Oct

45°

Nov

40°

Dec

32°F

Avg High Avg Temp Avg Low Light Frost (32°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	47°	41°	35°
February	51°	43°	35°
March	56°	46°	37°
April	61°	50°	40°
May	68°	56°	44°
June	74°	61°	48°
July	83°	67°	52°
August	83°	68°	52°
September	77°	63°	48°
October	64°	53°	42°
November	53°	45°	38°
December	47°	40°	34°

Precipitation

0" 2" 4" 5.7"

4.6"

Jan

3.9"

Feb

3.9"

Mar

2.9"

Apr

3.0"

May

2.2"

Jun

0.6"

Jul

0.9"

Aug

2.3"

Sep

3.2"

Oct

4.9"

Nov

5.7"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	4.6
February	3.9
March	3.9
April	2.9
May	3.0
June	2.2
July	0.6
August	0.9
September	2.3
October	3.2
November	4.9
December	5.7

Sunrise / Sunset

Jan: 7:54 AM – 4:50 PM · 8h 55m

Feb: 7:22 AM – 5:32 PM · 10h 10m

Mar: 7:34 AM – 7:11 PM · 11h 37m

Apr: 6:34 AM – 7:51 PM · 13h 17m

May: 5:49 AM – 8:29 PM · 14h 40m

Jun: 5:30 AM – 8:56 PM · 15h 26m

Jul: 5:45 AM – 8:52 PM · 15h 07m

Aug: 6:20 AM – 8:14 PM · 13h 54m

Sep: 6:58 AM – 7:16 PM · 12h 18m

Oct: 7:37 AM – 6:18 PM · 10h 42m

Nov: 7:20 AM – 4:36 PM · 9h 16m

Dec: 7:51 AM – 4:25 PM · 8h 34m

Daylight Pacific Time (PT) Longest: 15h 27m · Shortest: 8h 33m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month	Sunrise	Sunset	Daylight
January	7:54 AM	4:50 PM	8h 55m
February	7:22 AM	5:32 PM	10h 10m
March	7:34 AM	7:11 PM	11h 37m
April	6:34 AM	7:51 PM	13h 17m
May	5:49 AM	8:29 PM	14h 40m
June	5:30 AM	8:56 PM	15h 26m
July	5:45 AM	8:52 PM	15h 07m
August	6:20 AM	8:14 PM	13h 54m
September	6:58 AM	7:16 PM	12h 18m
October	7:37 AM	6:18 PM	10h 42m
November	7:20 AM	4:36 PM	9h 16m
December	7:51 AM	4:25 PM	8h 34m

Nearby Stations

Mc Minnville, OR April 5 - November 7 Rex 1 S, ORMarch 21 - November 22 Aurora State AP, OR March 16 - November 14 Dallas 2 Ne, OR April 16 - November 1 N Willamette Exp Stn, OR March 18 - November 13 Salem Mcnary Fld, OR April 3 - November 1

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