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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Herndon Heights, West Virginia, with an average temperature ranging between max 38.3°F (3.5°C) and min 24.8°F (-4°C). During the coldest month, January, temperatures average a high of 38.3°F (3.5°C) and a low of 24.8°F (-4°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Herndon Heights, West Virginia, with an average temperature fluctuating between 42.6°F (5.9°C) and 27.5°F (-2.5°C). The transition into February notes an average high-temperature of a still wintry 42.6°F (5.9°C), revealing a mild distinction from the 38.3°F (3.5°C) in January. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Herndon Heights, West Virginia, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 34.5°F (1.4°C). The shift from February to March is marked by a slight increase in the average high-temperature, moving from a wintry 42.6°F (5.9°C) to a fresh 51.1°F (10.6°C). Weather in March »
Weather in April
April in Herndon Heights, West Virginia, is an enjoyable spring month, with an average temperature varying between 43.5°F (6.4°C) and 62.8°F (17.1°C). Herndon Heights sees an increase in average high-temperatures during April, moving from a cool 51.1°F (10.6°C) in March to an enjoyable 62.8°F (17.1°C). Weather in April »
Weather in May
May, the last month of the spring in Herndon Heights, is a pleasant month, with an average temperature ranging between min 51.6°F (10.9°C) and max 72.1°F (22.3°C). The average high-temperature increases in May, moving from a refreshing 62.8°F (17.1°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »
Weather in June
June, the first month of the summer in Herndon Heights, is a warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 56.7°F (13.7°C). As Herndon Heights welcomes June, the average high-temperature displays a subtle shift, adjusting from an agreeable 72.1°F (22.3°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Herndon Heights, West Virginia, is a moderately hot summer month, with an average temperature fluctuating between 60.1°F (15.6°C) and 82.8°F (28.2°C). July, with its average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 60.1°F (15.6°C), holds the record as the warmest month. The heat index in July is computed to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Herndon Heights, is another warm month, with an average temperature varying between 58.5°F (14.7°C) and 82°F (27.8°C). Herndon Heights's shift into August is marked by a subtle change to a still moderately hot 82°F (27.8°C) from July's 82.8°F (28.2°C) in temperature. Weather in August »
Weather in September
September, the first month of the autumn in Herndon Heights, is also a moderately hot month, with an average temperature ranging between max 75.9°F (24.4°C) and min 54.1°F (12.3°C). September is characterized by a slight reduction in average high-temperature, easing from 82°F (27.8°C) in August to a still moderately hot 75.9°F (24.4°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Herndon Heights, West Virginia, with an average temperature fluctuating between 63.7°F (17.6°C) and 45°F (7.2°C). During the transition into October, Herndon Heights observes a decrease in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in September to a refreshing 63.7°F (17.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Herndon Heights, West Virginia, with an average temperature fluctuating between 52°F (11.1°C) and 34.7°F (1.5°C). A subtle decrease in the average high-temperature marks November, falling from October's refreshing 63.7°F (17.6°C) to a fresh 52°F (11.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Herndon Heights, West Virginia, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 30.7°F (-0.7°C). December is characterized by a mild reduction in the average high-temperature, from a cool 52°F (11.1°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Herndon Heights?
The month of January sees the average lowest temperatures in Herndon Heights, reaching 38.3°F (3.5°C) at the peak and 24.8°F (-4°C) at the low.
How much does it rain in Herndon Heights?
In Herndon Heights, West Virginia, during the entire year, the rain falls for 180.7 days and collects up to 32.24" (819mm) of precipitation.
When does it snow in Herndon Heights?
January through May, October through December are months with snowfall in Herndon Heights.
How much does it snow in Herndon Heights?
Throughout the year, in Herndon Heights, West Virginia, there are 50.3 snowfall days, and 27.09" (688mm) of snow is accumulated.
What is the month with the least sunshine in Herndon Heights?
The month with the least sunshine is January, with an average of 4.2h of sunshine.
What is the month with the lowest UV index in Herndon Heights?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Herndon Heights.
What is the most humid month in Herndon Heights?
February is the most humid month, with an average relative humidity of 83%.
What is the rainiest month in Herndon Heights?
The months with the most rainfall are February and May, with an average 3.43" (87mm) of precipitation.
When does it snow the most in Herndon Heights?
February is the month with the most snowfall. Snow falls for 11.7 days and accumulates 6.02" (153mm) of snow.
When is Daylight Saving Time (DST) in Herndon Heights?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
What are the least humid months in Herndon Heights?
The months with the lowest humidity in Herndon Heights, West Virginia, are June through August and November, with an average relative humidity of 77%.
When it does not snow in Herndon Heights?
June through September are months without snowfall in Herndon Heights, West Virginia.
When are the longest days in Herndon Heights?
The month with the longest days in Herndon Heights, West Virginia, is June, with an average of 14h and 42min of daylight.
What are the months with the highest UV index in Herndon Heights?
June and August, with an average maximum UV index of 6, are months with the highest UV index in Herndon Heights.
What part of the year is the hottest in Herndon Heights?
July is the warmest month of the year in Herndon Heights, registering average temperatures as high as 82.8°F (28.2°C) and as low as 60.1°F (15.6°C).
What month has the most sunshine in Herndon Heights?
With an average of 10.1h of sunshine, August has the most sunshine of the year.
What is the driest month in Herndon Heights?
The month with the least rainfall in Herndon Heights, West Virginia, is September, when the rain falls for 15.5 days and typically collects 1.57" (40mm) of precipitation.
What is the month with the shortest days in Herndon Heights?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Herndon Heights, WV
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°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 (24.8°F).
Average pressure
Herndon Heights, 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:
30.03"Hg - Average pressure in June:
29.99"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:
30.07"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 (29.99"Hg).
Average wind speed
Herndon Heights, WV
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.8mph - 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:
5.8mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Herndon Heights, WV
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall
Herndon Heights, WV
- Average rainfall in January:
2.68" - Average rainfall in February:
3.43" - Average rainfall in March:
2.95" - Average rainfall in April:
2.99" - Average rainfall in May:
3.43" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.13" - Average rainfall in September:
1.57" - Average rainfall in October:
2.68" - Average rainfall in November:
2.05" - Average rainfall in December:
3.15"
The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
Herndon Heights, WV
- Average rainfall days in January:
12.2 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
15.9 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
20.1 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).
Average snowfall
Herndon Heights, WV
- Average snowfall in January:
5.94" - Average snowfall in February:
6.02" - Average snowfall in March:
5.47" - Average snowfall in April:
1.3" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Herndon Heights, WV
- Average snowfall days in January:
13.1 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
1.9 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:
1.2 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
10.5 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Herndon Heights, WV
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
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 12min).
Average sunshine days
Herndon Heights, WV
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
10.2 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
10.2 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
12.1 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
11.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index
Herndon Heights, 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
Herndon Heights, WV
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Herndon Heights, WV
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Herndon Heights, West Virginia, USA
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