Manassas Weather in December

Manassas in December sees low temperatures, with highs around 9°C (48°F) and overnight lows of -1°C (30°F). Snow/rainfall is fairly high at around 99 mm (3.9 in) on average, so pack waterproofs just in case.

Rainfall in Manassas in December

Typically, about 11 days will experience snow/rainfall, with an average of 99 mm (3.9 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Manassas in December

Manassas in December gets highs of 9°C (48°F) during the day and drops to -1°C (30°F) at night. December is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Manassas in December

You can expect a moderate amount of sunlight, with approximately 130 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April typically offers the best weather for Manassas.

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• January
• February
• March
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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 Manassas's climate page.

Manassas Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 37%  

Precipitation 99 mm (3.9 in)  

Rainy days 11 days  

Humidity 64% *  

Sunshine 130 hours *  

Percentage Sunshine 45% *  

* Data from: Washington DC, the United States of America (39 KM, 24 Miles).

What to Wear in Manassas in December

Dress warmly and in layers for your trip to Manassas in December. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Manassas in December

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 Manassas's climate page.

More climate data for Manassas

Temperature Rainfall Sunshine Humidity

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