District of Columbia, USA
Long term weather forecast
Long term weather forecast

October weather forecast and Climate
Washington, DC

Fall foliage contrasting with Washington, D.C.'s marble monuments, is at its peak in the mildly cool October. Average low temperatures drop to the fifties, and the afternoons and evenings tend to be breezy. Rain marks its presence occasionally, and it is advisable to dress in warm clothes.
Make the most of the warmth before the arrival of winter - walk around, enjoy the picturesque surroundings or take a guided Washington, D.C. tour.
  • Average high temperature in October: 20.2°C

Warmest month (with highest average high temperature) is July (31.3°C).
Month with lowest average high temperature is January (6.3°C).

  • Average low temperature in October: 10.3°C

Month with highest average low temperature is July (21.7°C).
Coldest month (with lowest average low temperature) is January (-1.9°C).

  • Average humidity in October: 67.4%

Month with highest relative humidity is September (69.7%).
Month with lowest relative humidity is April (58%).

  • Average rainfall in October: 86.4mm

Wettest month (with highest rainfall) is May (101.3mm).
Driest month (with lowest rainfall) is February (66.5mm).

  • Average rainfall days in October: 7.7 days

Month with highest number of rainy days is May (11.1 days).
Month with lowest number of rainy days is October (7.7 days).

  • Average snowfall in October: 0mm

Month with highest snowfall is February (144.8mm).
Months with lowest snowfall are April, May, June, July, August, September and October (0mm).

  • Average snowfall days in October: 0 days

Month with highest number of snowfall days is January (3 days).
Months with lowest number of snowfall days are May, June, July, August, September and October (0 days).

  • Average daylight in October: 11h

Months with longest days are June and July (Average daylight: 15h).
Month with shortest days is December (Average daylight: 9h).

  • Average sunshine in October: 6.6h

Month with most sunshine is June (Average sunshine: 9.4h).
Month with least sunshine is December (Average sunshine: 4.3h).

  • Average UV index in October: 4

Months with highest UV index are June and July (UV index 9).
Months with lowest UV index are January and December (UV index 2).