Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Mount Heron's coldest weather arrives in January, when temperatures average a high of 38.8°F (3.8°C) and a low of 24.4°F (-4.2°C).Humidity
The average relative humidity in January in Mount Heron, Virginia, is 80%.Rainfall
In Mount Heron, during January, the rain falls for 9.3 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Mount Heron, during the entire year, the rain falls for 155.9 days and collects up to 23.31" (592mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mount Heron, in January, during 9 snowfall days, 3.74" (95mm) of snow is typically accumulated. In Mount Heron, during the entire year, snow falls for 37.2 days and aggregates up to 18.03" (458mm) of snow.Daylight
In Mount Heron, the average length of the day in January is 9h and 57min.On the first day of the month, sunrise is at 7:41 am and sunset at 5:21 pm. On the last day of January, in Mount Heron, Virginia, sunrise is at 7:31 am and sunset at 5:51 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index in Mount Heron are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are the coldest months in Mount Heron?
How cold does it get in Mount Heron in January?
What is the average humidity in January in Mount Heron?
How many days does it rain in January in Mount Heron?
How many days does it snow in January in Mount Heron?
How many hours of daylight does Mount Heron have in January?
When is the sunrise / sunset in January in Mount Heron?
What is the month with the least sunshine in Mount Heron?
How many hours of sunshine does Mount Heron have in January?
When is the lowest UV index in Mount Heron?
What is the UV index intensity in January in Mount Heron?
Average temperature in January
Mount Heron, VA
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 24.4°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in January
Mount Heron, VA
- Average pressure in January: 30.15"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 in January
Mount Heron, VA
- Average wind speed in January: 7.3mph
The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Mount Heron, VA
- Average humidity in January: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Mount Heron, VA
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is February (2.72").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in January
Mount Heron, VA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in January
Mount Heron, VA
- Average snowfall in January: 3.74"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mount Heron, VA
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mount Heron, VA
- Average daylight in January: 9h and 5min
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 42min).
- Average sunshine in January: 4h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Mount Heron, VA
- Average sunshine days in January: 14.6 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in January
Mount Heron, VA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mount Heron, VA
- Average cloud cover in January: 59
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Mount Heron, VA
- Average visibility in January: 5mi
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).
Mount Heron, Virginia, USA
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