Washington DC in May
Warm and green
By Daan · Last reviewed October 2026
The short answer
May is one of the best months to visit Washington DC.
May is warm and green, with school trips and Memorial Day events.
May in detail
What May actually feels like
- Weather
- 14–25°C
- Warm and pleasant, with some storms.
- Crowds
- Moderate–High
- Busy with school trips.
- Prices
- $$$
- Mid-to-high rates.
+Warm, pleasant weather.
–School groups and graduations.
My tip for May
Visit popular museums right at opening.
- Walking
- Museums
How May compares
Against the other eleven months
3rd of 12 overall in Washington DC, 2nd for weather, 9th for space, 10th for value. The emptiest month is January; the best value is January.
See all twelve months for Washington DCNot set on May?
Even stronger months in Washington DC
Weather
Weather in Washington DC in May
In May Washington DC averages a high of 25°C (77°F) and a low of 14°C (57°F), with about 100 mm of rain or snow over 12 wet days. The warmest month is July (around 32°C) and the coolest is January (around 7°C); the wettest month is July.
- Average high
- 25°C
- 77°F
- Average low
- 14°C
- 57°F
- Precipitation
- 100 mm
- Wet days
- 12
Climate data: NOAA (Ronald Reagan Washington National Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
Washington DC in May: the questions people ask
- Is May a good time to visit Washington DC?
- May is one of the best months to visit Washington DC. It ranks 3 of 12 months in Washington DC overall (2 for weather, 9 for space, 10 for value). The main upside: Warm, pleasant weather. The main downside: School groups and graduations.
- What is the weather like in Washington DC in May?
- Average highs are around 25°C and lows around 14°C. Expect about 100 mm of rain or snow over roughly 12 wet days. Warm and pleasant, with some storms. For comparison, the warmest month is July (around 32°C) and the coolest is January (around 7°C).
- Is Washington DC crowded in May?
- Crowds are moderate–high. Busy with school trips. The quietest month is January.
- How expensive is Washington DC in May?
- Prices are at level 3 of 5 ($$$). Mid-to-high rates. The best-value month is January.
- When is the best time to visit Washington DC?
- In the CrowdFreeViews month scores, October is the best month overall (May ranks 3 of 12). The quietest month is January and the best value is January.
Ready to book May in Washington DC?
Warm, pleasant weather.
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