National Harbor Weather in April

In National Harbor, April brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.

Rainfall in National Harbor in April

Historically, the month has about 12 days of rain, averaging 92 mm (3.6 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in National Harbor in April

April tends to be one of the excellent months in National Harbor, with 20°C (68°F) in the afternoon and 8°C (46°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in National Harbor in April

The month enjoys around 227 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in National Harbor in April

April has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

If your ideal day consists of dry skies and pleasant temperatures, April typically offers the best circumstances for National Harbor.