World Resorts USA Harpers Ferry Weather

Harpers Ferry weather in December

Weather in Harpers Ferry: December

Average day temperature: 43.7°F
Average night temperature: 34.7°F
Number of sunny days: 11 days
Day length: 9.4 - 9.6 hours
Number of rainy days: 1 day
Precipitation totals: 1.1 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
10
20
30
40
50
60
70
80
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 61°F. At the same time the lowest night temperature was 17°F. Daily and nightly averages during December were 41.5°F and 31.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
35%
26%
39%

Number of sunny, partly cloudy and cloudy days in December is almost equal.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.1
1.4
1.7
2.0
1.1
1.7
1.2
1.1
1.2
1.5
1.0
1.1
1.1
1.7
1.2
1.1
1.2
1.5
1.0

Precipitation total value in Harpers Ferry in December is 1.1 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
2.9
4.4
5.8
7.3
8.7
10.2
7.0
5.8
5.6
4.9
4.9
5.9
6.2
7.7
8.5
7.9
7.8
6.7
7.0
5.8
5.6
4.9
4.9
5.9
6.2
7.7
8.5
7.9
7.8

The average wind speed value in December is 6.7 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.3
7.9
9.5
11.1
6.8
6.9
7.4
8.0
8.7
9.3
7.4
6.6
6.9
5.5
5.2
4.8
6.8
6.9
7.4
8.0
8.7
9.3
7.4
6.6
6.9
5.5
5.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.8.

Best time for vacation in Harpers Ferry

Sunniest months:
November 16 days
October 14 days
September 14 days
Warmest months:
July 86.9 °F
August 83.5 °F
June 79.6 °F
Coldest months:
January 38.6 °F
February 43.0 °F
December 43.7 °F
Rainiest months:
August 4 days
April 3 days
September 2 days
Windiest months:
March 8.5 mph
February 7.9 mph
January 7.8 mph

Harpers Ferry on a weather map

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Places in USA:
Name
°F
+43°F
+46°F
+73°F
+73°F
+55°F
+54°F
+75°F
+45°F
+70°F
+57°F
+52°F
+68°F
+70°F
+68°F
+41°F
24 Hours Forecast
Harpers Ferry
Local time: 08:00
April 17, thursday
0900
45°F
SE
6 mph
1200
57°F
SE
7 mph
1500
63°F
SE
5 mph
1800
63°F
N
2 mph
2100
52°F
NW
5 mph
April 18, friday
0000
46°F
NW
3 mph
0300
45°F
NW
3 mph
0600
46°F
N
4 mph
Units of measurement: °C / °F