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
January, characterized by an average high temperature of 40.3°F (4.6°C) and a low temperature of 25.7°F (-3.5°C), is generally the coldest month.Humidity
The average relative humidity in January in Opal is 74%.Rainfall
In Opal, in January, it is raining for 9.8 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 160.5 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Opal. The month with the most snowfall is January, when snow falls for 6.2 days and typically aggregates up to 3.74" (95mm) of snow.Daylight
In January, the average length of the day is 9h and 50min.On the first day of January in Opal, sunrise is at 7:28 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:31 pm EST.
Sunshine
In January, the average sunshine is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in January transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Opal?
Is it cold in Opal during January?
What is the average humidity in January in Opal?
How many days does it rain in January in Opal?
When does it snow the most in Opal?
How many days does it snow in January in Opal?
What is the average length of the day in January in Opal?
What time are sunrise and sunset in January in Opal?
How many hours of sunshine does Opal have in January?
When is the lowest UV index in Opal?
What is the UV index intensity in January in Opal?
Average temperature in January
Opal, VA
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in January: 25.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in January
Opal, VA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Opal, VA
- Average wind speed in January: 6.3mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
Opal, VA
- Average humidity in January: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Opal, VA
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Opal, VA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in January
Opal, VA
- Average snowfall in January: 3.74"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Opal, VA
- Average snowfall days in January: 6.2 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Opal, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Opal, VA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in January
Opal, VA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Opal, VA
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Opal, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July, August and November (6mi).
The months with the lowest visibility are February, May, September, October and December (5mi).
Opal, Virginia, USA
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