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
With average high and low temperatures of 45.5°F (7.5°C) and 30.4°F (-0.9°C) respectively, January is Crystal Hill's coldest month.Humidity
In Crystal Hill, Virginia, the average relative humidity in January is 73%.Rainfall
In Crystal Hill, in January, it is raining for 10.1 days, with typically 2.48" (63mm) of accumulated precipitation. In Crystal Hill, during the entire year, the rain falls for 157.9 days and collects up to 29.57" (751mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall in Crystal Hill is January, when snow falls for 3.1 days and typically aggregates up to 2.48" (63mm) of snow.Daylight
In January, the average length of the day in Crystal Hill, Virginia, is 9h and 59min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:09 pm. On the last day of January, in Crystal Hill, sunrise is at 7:18 am and sunset at 5:39 pm EST.
Sunshine
In January, the average sunshine is 5.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, an average UV index of 2 transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Crystal Hill?
What are January temperatures in Crystal Hill?
What is the average humidity in January in Crystal Hill?
How much does it rain in Crystal Hill in January?
When does it snow the most in Crystal Hill?
How many days does it snow in January in Crystal Hill?
What is the average length of the day in January in Crystal Hill?
What time are sunrise and sunset in January in Crystal Hill?
How long on average sun shines in January in Crystal Hill?
When is the lowest UV index in Crystal Hill?
What is the UV index reading in January in Crystal Hill?
Average temperature in January
Crystal Hill, VA
- Average high temperature in January: 45.5°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
Crystal Hill, VA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Crystal Hill, VA
- Average wind speed in January: 6.7mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Crystal Hill, VA
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Crystal Hill, VA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Crystal Hill, VA
- Average rainfall days in January: 10.1 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in January
Crystal Hill, VA
- Average snowfall in January: 2.48"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Crystal Hill, VA
- Average snowfall days in January: 3.1 days
The months with the highest number of snowfall days are January and February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Crystal Hill, VA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Crystal Hill, VA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in January
Crystal Hill, VA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Crystal Hill, VA
- Average cloud cover in January: 39
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in January
Crystal Hill, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Crystal Hill, Virginia, USA
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