Climate and monthly weather forecastHarper, WV
Climate and monthly weather forecast
Weather in January
January, like December, in Harper, West Virginia, is another cold winter month, with an average temperature varying between 37°F (2.8°C) and 23.7°F (-4.6°C). January, with an average high of 37°F (2.8°C) and a low of 23.7°F (-4.6°C), signifies the coldest month of the year. Weather in January »Weather in February
February, the last month of the winter in Harper, is another cold month, with an average temperature varying between 41.9°F (5.5°C) and 27.1°F (-2.7°C). February notes an average high-temperature of a still wintry 41.9°F (5.5°C), subtly differing from January's 37°F (2.8°C). Weather in February »Weather in March
March, the first month of the spring in Harper, is a fresh month, with an average temperature varying between 33.8°F (1°C) and 50.4°F (10.2°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's wintry 41.9°F (5.5°C) to a fresh 50.4°F (10.2°C). Weather in March »Weather in April
April is a comfortable spring month in Harper, West Virginia, with an average temperature ranging between max 62.4°F (16.9°C) and min 42.6°F (5.9°C). The shift into April brings an increase in the average high-temperature, moving from a cool 50.4°F (10.2°C) in March to a refreshing 62.4°F (16.9°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Harper, West Virginia, with an average temperature varying between 71.6°F (22°C) and 51.1°F (10.6°C). Harper, West Virginia, experiences a temperature shift with the start of May, with average high-temperatures moving from a refreshing 62.4°F (16.9°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Harper, West Virginia, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 78.6°F (25.9°C). June's onset witnesses a minor shift in the average high-temperature, moving from a pleasant 71.6°F (22°C) in May to a warm 78.6°F (25.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Harper, West Virginia, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 60.1°F (15.6°C). July is the month when Harper's temperatures reach their peak, with averages of 81.9°F (27.7°C) and lows of 60.1°F (15.6°C). In July, the heat index is estimated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Harper, West Virginia, with an average temperature varying between 57.7°F (14.3°C) and 81°F (27.2°C). Harper's entry into August measures an average high-temperature of a still moderately hot 81°F (27.2°C), closely parallel to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Harper, is still a warm month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 54.1°F (12.3°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 81°F (27.2°C) to a still moderately hot 75.4°F (24.1°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Harper, West Virginia, with an average temperature varying between 62.6°F (17°C) and 43.9°F (6.6°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a warm 75.4°F (24.1°C) in September to a comfortable 62.6°F (17°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Harper, West Virginia, with an average temperature varying between 34.7°F (1.5°C) and 50.9°F (10.5°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a refreshing 62.6°F (17°C) in October to a fresh 50.9°F (10.5°C). Weather in November »Weather in December
December, the first month of the winter in Harper, is also an icy month, with an average temperature varying between 30.4°F (-0.9°C) and 42.4°F (5.8°C). As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a fresh 50.9°F (10.5°C) to a cold 42.4°F (5.8°C). Weather in December »Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Harper, the average lowest temperatures are observed in January, with a high of 37°F (2.8°C) and a low of 23.7°F (-4.6°C).
Throughout the year, in Harper, West Virginia, there are 189.8 rainfall days, and 36.54" (928mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 15.6 days and typically aggregates up to 8.7" (221mm) of snow.
In Harper, during the entire year, snow falls for 60.8 days and aggregates up to 39.41" (1001mm) of snow.
January has the least sunshine of the year in Harper, West Virginia, with an average of 4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harper.
February is the most humid month in Harper, with an average relative humidity of 83%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Harper, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April, June through August and November, with an average relative humidity of 78%, are the least humid months.
May is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.94" (100mm) of precipitation.
In Harper, West Virginia, snow does not fall in June through September.
With an average of 14h and 42min of daylight, June has the longest days of the year in Harper.
June and August, with an average maximum UV index of 6, are months with the highest UV index.
With average high and low temperatures of 81.9°F (27.7°C) and 60.1°F (15.6°C) respectively, July is Harper's warmest month.
With an average of 10.1h of sunshine, August has the most sunshine of the year.
The month with the least rainfall in Harper, West Virginia, is September, when the rain falls for 16.7 days and typically collects 1.89" (48mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Harper, WV
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure
Harper, WV
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Harper, WV
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.5mph - Average wind speed in November:
6mph - Average wind speed in December:
6.8mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Harper, WV
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (78%).
Average rainfall
Harper, WV
- Average rainfall in January:
2.95" - Average rainfall in February:
3.66" - Average rainfall in March:
3.27" - Average rainfall in April:
3.39" - Average rainfall in May:
3.94" - Average rainfall in June:
2.95"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.64" - Average rainfall in September:
1.89" - Average rainfall in October:
2.99" - Average rainfall in November:
2.17" - Average rainfall in December:
3.5"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Harper, WV
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
18.4 days - Average rainfall days in May:
22.3 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
16.7 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
11.4 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall
Harper, WV
The month with the highest snowfall is January (8.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harper, WV
- Average snowfall days in January:
15.6 days - Average snowfall days in February:
13.7 days - Average snowfall days in March:
9.2 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
12 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harper, WV
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Harper, WV
- Average sunshine days in January:
9 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
8.9 days - Average sunshine days in May:
7 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
10.7 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (7 days).
Average UV index
Harper, WV
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Harper, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Harper, WV
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
