Monthly weather forecast and climate
Dahlgren, VA

Average sea temperature - Dahlgren, VA

The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (46.7°F).

Average daylight - Dahlgren, VA

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).

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