National Harbor weather in March (Maryland, United States of America)

What kind of temperatures can you expect in National Harbor during March? Our guide gives you the essential weather details for this month.

Temperatures

Typically, March in National Harbor includes moderate temperatures and moderate rainfall. During the day, temperatures can climb to about 14°C. At night, they may fall to a cooler 3°C.

Precipitation

National Harbor in March usually receives moderate rainfall, averaging around 75 mm for the month. Looking at the last 30 years, the data shows about 10 days with rain.

Average sunshine

Enjoy a sunny month with about 205 hours of sunshine, providing a cheerful and lively atmosphere.

Should you favor a climate that's both dry and comfortably warm April typically offers the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized National Harbor climate page with graphs.

 

National Harbor, monthly averages in March

Min Temperature 3°C  

Max Temperature 14°C  

Chance of Rain 33%  

Precipitation 75 mm  

Rainy days 10 days  

Humidity 58% *  

Windspeed 18 km/h *  

Sunshine 205 hours *  

Percentage Sunshine 55% *  

Data from: Washington DC, the United States of America (7 KM, 4 Miles).

Where to go in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in National Harbor.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.