McLean Weather in January

During January, McLean experiences low daytime temperatures of 6°C (43°F) and cooler nights around -4°C (25°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 72 mm (2.8 in) is typical.

Rainfall in McLean in January

This month experiences about 10 days of snow/rain according to historical data, averaging 72 mm (2.8 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in McLean in January

January in McLean brings low temperatures, with highs of 6°C (43°F) and nights around -4°C (25°F). January is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. 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. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.

Sunshine in McLean in January

The area enjoys a balanced 144 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in McLean 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.

January in McLean has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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• January
• February
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• May
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For a detailed overview over the year and the best time to visit the United States of America, check out our McLean's climate page.

McLean Temperature in January

Min Temperature -4°C (25°F)  

Max Temperature 6°C (43°F)  

Chance of Rain 33%  

Precipitation 72 mm (2.8 in)  

Rainy days 10 days  

Humidity 62% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 144 hours *  

Percentage Sunshine 48% *  

* Data from: Washington DC, the United States of America (15 KM, 9 Miles).

What to Wear in McLean in January

Dress warmly and in layers for your trip to McLean in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in McLean in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our McLean's climate page.

More climate data for McLean

Temperature Rainfall Sunshine Humidity Wind Speed

See the full McLean climate overview or explore weather in the United States of America.