Herndon Weather in March

March in Herndon brings moderate temperatures around 13°C (55°F) during the day, dropping to 1°C (34°F) at night, with quite a bit of rainfall expected, averaging around 81 mm (3.2 in) for the month.

Rainfall in Herndon in March

Records from the past 30 years suggest around 10 days of rain, with 81 mm (3.2 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Herndon in March

If you're visiting Herndon in March, expect highs of 13°C (55°F) and overnight lows around 1°C (34°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Herndon in March

The days are predominantly sunny, with an estimated total of around 205 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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.

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Check the conditions for any month of the year.

• 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 Herndon's climate page.

Herndon Temperature in March

Min Temperature 1°C (34°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 33%  

Precipitation 81 mm (3.2 in)  

Rainy days 10 days  

Humidity 58% *  

Sunshine 205 hours *  

Percentage Sunshine 55% *  

* Data from: Washington DC, the United States of America (33 KM, 20 Miles).

What to Wear in Herndon in March

Pack for changing conditions in Herndon in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Herndon in March

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

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

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 Herndon's climate page.

More climate data for Herndon

Temperature Rainfall Sunshine Humidity

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