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.