United States Weather and Climate
Temperatures, precipitation, sunshine
|Daytime temperature||8 ° C||9 ° C||13 ° C||19 ° C||25 ° C||29 ° C||31 ° C||31 ° C||27 ° C||20 ° C||14 ° C||8 ° C|
|Night temperature||-2 ° C||-2 ° C||2 ° C||7 ° C||13 ° C||18 ° C||21 ° C||21 ° C||16 ° C||9 ° C||3 ° C||-2 ° C|
|Water temperature||7 ° C||6 ° C||6 ° C||10 ° C||14 ° C||20 ° C||23 ° C||24 ° C||23 ° C||18 ° C||14 ° C||9 ° C|
|Precipitation in mm||72||68||74||72||98||81||94||79||73||68||77||73|
|Hours of sunshine||5||6||6||7||8||10||10||8||8||7||5||4|
The annual average temperature is 14 ° C. For comparison: Munich reaches an average of 8.6 ° C, in Berlin it is 9.6 ° C. The warmest month is July (26 ° C), coldest month of January with mean values of 2.7 ° C. The maximum water temperature is 24 ° C. Comfortable bathing is possible at these temperatures. The months of June, July, August, September and October have a water temperature of at least 17 ° C. Bathing is then possible to a limited extent. The months of July, August and September have a water temperature of at least 21 ° C and are therefore suitable for a beach holiday.
The annual precipitation is 929 mm on 129 days with precipitation. For comparison: In Munich, 967 mm, in Berlin 570 mm, precipitation is measured annually. There is no rainy season, i.e. months with more than 175 mm of precipitation. In the months of January, February, March, November and December is possible snowfall.
As our climate table shows, June is the sunniest month with an average of 9.7 hours of sunshine per day. On average over the year the sun shines 6.9 hours per day. For comparison: In Munich and Berlin, the sun shines an average of 4.7 hours per day throughout the year.
The following major cities are nearby and have similar climates: Montgomery County, Prince George’s County, Washington, DC, Anne Arundel County, Howard County, Arlington County, Arlington, Charles County, Alexandria, and Columbia.