Fairfax Weather in January
January in Fairfax brings low temperatures around 6°C (43°F) during the day, dropping to -4°C (25°F) at night, with quite a bit of snow/rainfall expected, averaging around 71 mm (2.8 in) for the month.
Rainfall in Fairfax in January
On average, there are about 10 days with snow/rain during this month, averaging 71 mm (2.8 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Fairfax in January
Daytime temperatures in Fairfax reach 6°C (43°F) in January, dropping to -4°C (25°F) at night. January is typically considered a winter month. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows of -4°C (25°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. Prepare for the coldest month of the year by packing warm and cozy winter cloths.
Sunshine in Fairfax in January
You can expect a moderate amount of sunlight, with approximately 144 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Fairfax in January
Wind speeds average 5 m/s (10 knots) during January. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Fairfax. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Fairfax's climate page.
Fairfax Temperature in January
Min Temperature
-4°C (25°F)
Max Temperature
6°C (43°F)
Chance of Rain
33%
Precipitation
71 mm (2.8 in)
Rainy days
10 days
Humidity
62% *
Windspeed
5 m/s (10 knots) *
Sunshine
144 hours *
Percentage Sunshine
48% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Fairfax in January
We recommend to layer up for chilly conditions in Fairfax in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Fairfax in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Fairfax's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Fairfax climate overview or explore weather in the United States of America.
