Frost Dates for Callaway-Garrison, MD

Based on data from Cylburn weather station, 2 miles away

Elevation: 427 ft

Frost Dates

Last Spring Frost (50%) April 2

First Fall Frost (50%) November 7

30% Probability

Last Spring Frost April 6

First Fall Frost November 2

Hard Freeze (28°F)

Last Spring Hard Freeze March 22

First Fall Hard Freeze November 20

39.33°N, 76.68°W © OpenStreetMap

Growing Season

219 Days April 2 to November 7

USDA Hardiness Zone

Zone 7a

Avg. annual minimum: 0 to 5°F

Learn more

Köppen Climate

Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

20° 40° 60° 80°

35°

Jan

37°

Feb

44°

Mar

55°

Apr

64°

May

73°

Jun

78°

Jul

76°

Aug

68°

Sep

57°

Oct

48°

Nov

39°

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	42°	35°	27°
February	46°	37°	28°
March	54°	44°	34°
April	66°	55°	45°
May	73°	64°	55°
June	82°	73°	64°
July	87°	78°	69°
August	84°	76°	67°
September	77°	68°	60°
October	66°	57°	49°
November	56°	48°	39°
December	46°	39°	32°

Precipitation

0" 2" 4" 6" 7.2"

4.4"

Jan

3.7"

Feb

4.5"

Mar

4.0"

Apr

4.7"

May

4.9"

Jun

6.7"

Jul

7.2"

Aug

5.1"

Sep

5.1"

Oct

5.3"

Nov

6.0"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	4.4
February	3.7
March	4.5
April	4.0
May	4.7
June	4.9
July	6.7
August	7.2
September	5.1
October	5.1
November	5.3
December	6.0

Sunrise / Sunset

Jan: 7:30 AM – 5:02 PM · 9h 31m

Feb: 7:06 AM – 5:37 PM · 10h 31m

Mar: 7:26 AM – 7:07 PM · 11h 41m

Apr: 6:36 AM – 7:38 PM · 13h 03m

May: 5:58 AM – 8:08 PM · 14h 10m

Jun: 5:44 AM – 8:30 PM · 14h 46m

Jul: 5:57 AM – 8:28 PM · 14h 31m

Aug: 6:24 AM – 7:57 PM · 13h 33m

Sep: 6:54 AM – 7:08 PM · 12h 15m

Oct: 7:24 AM – 6:20 PM · 10h 56m

Nov: 6:58 AM – 4:46 PM · 9h 48m

Dec: 7:25 AM – 4:40 PM · 9h 14m

Daylight Eastern Time (ET) Longest: 14h 47m · Shortest: 9h 13m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month	Sunrise	Sunset	Daylight
January	7:30 AM	5:02 PM	9h 31m
February	7:06 AM	5:37 PM	10h 31m
March	7:26 AM	7:07 PM	11h 41m
April	6:36 AM	7:38 PM	13h 03m
May	5:58 AM	8:08 PM	14h 10m
June	5:44 AM	8:30 PM	14h 46m
July	5:57 AM	8:28 PM	14h 31m
August	6:24 AM	7:57 PM	13h 33m
September	6:54 AM	7:08 PM	12h 15m
October	7:24 AM	6:20 PM	10h 56m
November	6:58 AM	4:46 PM	9h 48m
December	7:25 AM	4:40 PM	9h 14m

Nearby Stations

Md Sci Ctr Baltimore, MD March 24 - November 21 Baltimore Wash Intl AP, MD April 10 - October 31 Laurel 3 W, MD April 5 - November 9 Annapolis Police Brks, MD March 27 - November 13 Millers 4 Ne, MD April 19 - October 25 Beltsville, MD April 10 - November 1

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