Frost Dates for Mt Washington, NH

Elevation: 1910 m

Frost Dates

This location has year-round freezing temperatures.

44.27°N, 71.30°W © OpenStreetMap

USDA Hardiness Zone

Zone 3b

Avg. annual minimum: −35 to −30°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

-10° 10° 30° 50°

6°

Jan

6°

Feb

13°

Mar

24°

Apr

36°

May

46°

Jun

50°

Jul

49°

Aug

43°

Sep

31°

Oct

21°

Nov

12°

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	15°	6°	-3°
February	15°	6°	-3°
March	21°	13°	5°
April	31°	24°	17°
May	43°	36°	30°
June	51°	46°	40°
July	55°	50°	45°
August	54°	49°	43°
September	49°	43°	37°
October	38°	31°	25°
November	28°	21°	13°
December	20°	12°	4°

Precipitation

0" 3" 6" 8.9"

5.0"

Jan

4.6"

Feb

6.4"

Mar

7.0"

Apr

8.5"

May

8.3"

Jun

8.9"

Jul

7.9"

Aug

8.0"

Sep

7.6"

Oct

6.7"

Nov

6.1"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	5.0
February	4.6
March	6.4
April	7.0
May	8.5
June	8.3
July	8.9
August	7.9
September	8.0
October	7.6
November	6.7
December	6.1

Sunrise / Sunset

Jan: 7:29 AM – 4:31 PM · 9h 02m

Feb: 6:53 AM – 5:07 PM · 10h 14m

Mar: 6:11 AM – 5:49 PM · 11h 38m

Apr: 5:23 AM – 6:37 PM · 13h 14m

May: 4:43 AM – 7:17 PM · 14h 35m

Jun: 4:21 AM – 7:39 PM · 15h 19m

Jul: 4:30 AM – 7:30 PM · 15h 01m

Aug: 5:05 AM – 6:55 PM · 13h 51m

Sep: 5:51 AM – 6:09 PM · 12h 17m

Oct: 6:38 AM – 5:22 PM · 10h 44m

Nov: 7:19 AM – 4:41 PM · 9h 22m

Dec: 7:39 AM – 4:21 PM · 8h 41m

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

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:29 AM	4:31 PM	9h 02m
February	6:53 AM	5:07 PM	10h 14m
March	6:11 AM	5:49 PM	11h 38m
April	5:23 AM	6:37 PM	13h 14m
May	4:43 AM	7:17 PM	14h 35m
June	4:21 AM	7:39 PM	15h 19m
July	4:30 AM	7:30 PM	15h 01m
August	5:05 AM	6:55 PM	13h 51m
September	5:51 AM	6:09 PM	12h 17m
October	6:38 AM	5:22 PM	10h 44m
November	7:19 AM	4:41 PM	9h 22m
December	7:39 AM	4:21 PM	8h 41m

Nearby Stations

Pinkham Notch, NH May 18 - October 1 Gorham AP, NH May 14 - September 26 Whitefield Mt Washington AP, NH May 27 - September 19 Berlin, NHMay 14 - September 30 Jefferson, NHMay 8 - October 1 York Pond, NH May 23 - September 22

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