Generally, average daily wearther in Washington DC throughout the month of May is 17 with a high of 24 and low average expected to be 14 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 17 |
| High Temperature | 24 |
| Low Temperature | 14 |
| Sunshine Per Day | 10 |
Useful Links: Washington DC Weather: Average Weather & Yearly Climate