Herndon Weather in January
Herndon in January sees low daytime temperatures of 6°C (43°F) and nighttime lows of -4°C (25°F). Rainfall is fairly high this month at around 69 mm (2.7 in), so pack a rain jacket to stay dry.
Rainfall in Herndon in January
You can expect snow/rain on around 11 days based on historical patterns, with 69 mm (2.7 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Herndon in January
January in Herndon brings low temperatures, with highs of 6°C (43°F) and nights around -4°C (25°F). January is a notable month of the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop below freezing to -4°C (25°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.
Sunshine in Herndon in January
The city usually sees around 144 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Herndon.
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 Herndon's climate page.
Herndon Temperature in January
Min Temperature
-4°C (25°F)
Max Temperature
6°C (43°F)
Chance of Rain
35%
Precipitation
69 mm (2.7 in)
Rainy days
11 days
Humidity
62% *
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 →
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What to Wear in Herndon in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Herndon 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 Herndon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Herndon climate overview or explore weather in the United States of America.
