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 proves to be the coldest month, recording an average maximum temperature of 39°F (3.9°C) and a minimum temperature of 23.7°F (-4.6°C).Humidity
The least humid month is January, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.7 days and typically collects 1.18" (30mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Fort Defiance, in January, during 4.3 snowfall days, 2.91" (74mm) of snow is typically accumulated. In Fort Defiance, during the entire year, snow falls for 17.7 days and aggregates up to 14.41" (366mm) of snow.Daylight
In January, the average length of the day is 9h and 52min.On the first day of the month, sunrise is at 7:32 am and sunset at 5:06 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:36 pm EST.
Sunshine
In Fort Defiance, the average sunshine in January is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the least humid month?
What is the average humidity in January?
What is the driest month in Fort Defiance?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Fort Defiance?
How many hours of sunshine does Fort Defiance have in January?
What are the months with the lowest UV index?
How high is the UV index in January in Fort Defiance?
Average temperature in January
Fort Defiance, VA
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in January: 23.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in January
Fort Defiance, 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
Fort Defiance, VA
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Fort Defiance, VA
- Average humidity in January: 74%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall in January
Fort Defiance, VA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in January
Fort Defiance, VA
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in January
Fort Defiance, VA
- Average snowfall in January: 2.91"
The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Fort Defiance, VA
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fort Defiance, 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 36min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Fort Defiance, VA
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Fort Defiance, VA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Fort Defiance, VA
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in January
Fort Defiance, VA
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Fort Defiance, Virginia, USA
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