McLean Weather in March

March in McLean 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 McLean in March

Expect around 10 days of rain based on historical data, with 81 mm (3.2 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in McLean in March

In March, McLean gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 1°C (34°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in McLean 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.

Wind Speed in McLean in March

Average wind conditions reach 5 m/s (10 knots) in March. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

For McLean itself, April generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 McLean's climate page.

McLean 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% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 205 hours *  

Percentage Sunshine 55% *  

* Data from: Washington DC, the United States of America (15 KM, 9 Miles).

What to Wear in McLean in March

Pack for changing conditions in McLean 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 McLean 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

9/10

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 McLean's climate page.

More climate data for McLean

Temperature Rainfall Sunshine Humidity Wind Speed

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