City break

Washington, D.C. weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

71

Holiday weather in June

Good

Best time to visit: April – June, September – October

What is the weather like in Washington, D.C. in June?

In June, Washington, D.C. is hot: daytime highs average 29 °C, and nights cool down to about 19 °C. The sea averages 21.2 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 93 mm in total. On about 11 days the thermometer climbs to 30 °C or more. All in all, June is a good month for a holiday in Washington, D.C..

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score777154
Day24°29°31°
Night13°19°21°
Sea15°21°26°
Sun7 h8 h8 h
Rain days121112

More details for June

Daylight
14 h 53 min05:42 – 20:34
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
13 daysdew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
58 %on averageAll months
Hot days
11 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−4America/New_York

How the score comes together

  • Temperatureweight 50 %80 %
  • Sunshineweight 20 %78 %
  • Few rainy daysweight 30 %50 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in June

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Rain jacket or umbrella

Washington, D.C. in June: quick answers

Is Washington, D.C. hot in June?

Yes. In June, Washington, D.C. is hot: daytime highs average 29 °C and nights stay around 19 °C. On about 11 days the thermometer climbs to 30 °C or more.

Can you swim in Washington, D.C. in June?

Yes. In June the sea averages 21.2 °C – refreshing for a swim.

Does it rain much in Washington, D.C. in June?

Rain is frequent, with about 11 rainy days and 93 mm in total.

Washington, D.C. month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences