https://www.washingtonpost.com/news/capital-weather-gang/wp/2016/05/23/washington-d-c-s-worst-may-ever-explained/So far this May, Washington, D.C. has had “the coolest high temperatures since 1882,” admits the Washington Post.
“This May’s afternoon highs are running an incredible 15 degrees cooler than last May’s,” says the article. “And they still haven’t hit 80 degrees.”
This May’s average high temperature is just 66 degrees (18.9 C), the second coldest on record month-to-date.
Month-to-date, the only cooler year on record is 1882, which boasted an average high of 65.5 degrees.
All 22 days have had highs below 80. The only other year not to have an 80-degree day this deep into May came in 1935.
And there’s more!
With 15 (out of 22) days where highs remained below 70 degrees, D.C. is tied with 1954 for the most below-70-degree days on record.
And finally, they’ve had five days (out of 22) with highs remained below 60 degrees, which ties for 4th most on record.
The D.C area has also endured a record number of rainy days (19 of 23).