Climate and monthly weather forecast
Herndon Heights, WV

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Weather in January

January, like December, in Herndon Heights, West Virginia, is an icy winter month, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 38.3°F (3.5°C). Herndon Heights reaches its lowest average temperatures in January, measuring 38.3°F (3.5°C) at the peak and 24.8°F (-4°C) at the lowest. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Herndon Heights, West Virginia, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 42.6°F (5.9°C). The beginning of February records an average high-temperature of a still cold 42.6°F (5.9°C), almost echoing the conditions of the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Herndon Heights, West Virginia, with an average temperature ranging between min 34.5°F (1.4°C) and max 51.1°F (10.6°C). In Herndon Heights, the average high-temperature in March slightly rises, from a wintry 42.6°F (5.9°C) in February, to a cool 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 ranging between min 43.5°F (6.4°C) and max 62.8°F (17.1°C). The shift from March to April sees an increase in the average high-temperature, transitioning from a cool 51.1°F (10.6°C) to a refreshing 62.8°F (17.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Herndon Heights, West Virginia, with an average temperature varying between 72.1°F (22.3°C) and 51.6°F (10.9°C). The arrival of May signals an increase in the average high-temperature, moving from an enjoyable 62.8°F (17.1°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Herndon Heights, West Virginia, with an average temperature ranging between max 79.3°F (26.3°C) and min 56.7°F (13.7°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging 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, the same as June, is another warm summer month in Herndon Heights, West Virginia, with an average temperature varying between 60.1°F (15.6°C) and 82.8°F (28.2°C). Herndon Heights witnesses the warmest weather in July, with temperatures averaging a high of 82.8°F (28.2°C) and a low of 60.1°F (15.6°C). July's heat index is computed to be a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Herndon Heights, West Virginia, with an average temperature varying between 82°F (27.8°C) and 58.5°F (14.7°C). The onset of August brings an average high-temperature of a still moderately hot 82°F (27.8°C), nearly matching the July temperature. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Herndon Heights, West Virginia, with an average temperature ranging between max 75.9°F (24.4°C) and min 54.1°F (12.3°C). The onset of September is marked by a minor decrease in temperature, transitioning from 82°F (27.8°C) in August to a still warm 75.9°F (24.4°C). Weather in September »

Weather in October

October, like September, in Herndon Heights, West Virginia, is another refreshing autumn month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 63.7°F (17.6°C). October's onset brings a reduction in the average high-temperature, 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

November, the last month of the autumn in Herndon Heights, is also a fresh month, with an average temperature fluctuating between 34.7°F (1.5°C) and 52°F (11.1°C). The onset of November results in a decrease in the average high-temperature, receding from a refreshing 63.7°F (17.6°C) in October 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 an average temperature varying between 30.7°F (-0.7°C) and 43.5°F (6.4°C). As December commences, the average high-temperature subtly reduces, transitioning from a fresh 52°F (11.1°C) in November to a chilly 43.5°F (6.4°C). Weather in December »
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January, noted for its average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 24.8°F (-4°C), is considered the coldest month.

How much does it rain?

In Herndon Heights, 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?

Months with snowfall in Herndon Heights are January through May, October through December.

How many days does it snow?

In Herndon Heights, during the entire year, snow falls for 50.3 days and aggregates up to 27.09" (688mm) of snow.

What is the month with the least sunshine?

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?

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?

The most humid month is February, with an average relative humidity of 83%.

What is the rainiest month?

The wettest months are February and May, with an average 3.43" (87mm) of rainfall.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 11.7 days and typically aggregates up to 6.02" (153mm) of snow.

When is Daylight Saving Time (DST)?

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 is the least humid month?

The months with the lowest humidity are June through August and November, with an average relative humidity of 77%.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 14h and 42min of daylight.

What is the month with the highest UV index?

June and August, with an average maximum UV index of 6, are months with the highest UV index.

What time of the year is the hottest?

Herndon Heights's warmest temperatures are experienced in July, with average high temperatures of 82.8°F (28.2°C) and lows of 60.1°F (15.6°C).

What month has the most sunshine?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

What is the driest month?

The month with the least rainfall 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?

The month with the shortest days in Herndon Heights is December, with an average of 9h and 36min of daylight.

Average temperature
Herndon Heights, WV

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 - Herndon Heights, WV

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 - Herndon Heights, WV

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

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 - Herndon Heights, WV

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 - Herndon Heights, WV

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 - Herndon Heights, WV

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 - Herndon Heights, WV

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 / Average sunshine - Herndon Heights, WV

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).

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 - Herndon Heights, WV

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

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 visibility
Herndon Heights, WV

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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