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
Cullen's coldest temperatures are experienced in January, with average high temperatures of 44.6°F (7°C) and lows of 29.1°F (-1.6°C).Humidity
In January, the average relative humidity in Cullen is 74%.Rainfall
In Cullen, in January, during 10.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Cullen, Virginia, during the entire year, the rain falls for 156.1 days and collects up to 30" (762mm) of precipitation.Snowfall
Months with snowfall in Cullen are January through April, October through December. In Cullen, in January, snow falls for 3.3 days, with typically accumulated 2.32" (59mm) of snow. In Cullen, during the entire year, snow falls for 10.8 days and aggregates up to 9.17" (233mm) of snow.Daylight
In January, the average length of the day in Cullen is 9h and 58min.On the first day of January, sunrise is at 7:28 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:37 pm EST.
Sunshine
In January, the average sunshine is 5.5h.UV index
The months with the lowest UV index in Cullen are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the coldest month in Cullen?
How cold is it in Cullen in January?
What is the average humidity in January in Cullen?
How much does it rain in Cullen in January?
How many days does it snow in January in Cullen?
What is the average length of the day in January in Cullen?
What time are sunrise and sunset in January in Cullen?
How long on average sun shines in January in Cullen?
What are the months with the lowest UV index in Cullen?
What is the UV index reading in January in Cullen?
Average temperature in January
Cullen, VA
- Average high temperature in January: 44.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in January: 29.1°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in January
Cullen, VA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Cullen, VA
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Cullen, 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 (69%).
Average rainfall in January
Cullen, VA
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in January
Cullen, VA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Cullen, VA
- Average snowfall in January: 2.32"
The month with the highest snowfall is March (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Cullen, VA
- Average snowfall days in January: 3.3 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cullen, VA
- Average daylight in January: 10h and 0min
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: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Cullen, VA
- Average sunshine days in January: 18.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Cullen, 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 and December (UV index 2).
Average cloud cover in January
Cullen, VA
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Cullen, VA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).
Cullen, Virginia, USA
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