United StatesThe weather in May in Washington
It's warm in May in Washington with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 34°C. At night, you can expect temperatures between 12°C and 18°C.
Looking for great weather? May is a good time to be in Washington. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Washington, Utah. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 40°C in 2020, Washington reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 12°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 24°C.
Rainfall amount
According to weather history, there is only 8,2 mm of precipitation in May. The wind speed is around 5 Bft, mostly coming from the South.
Daily weather in May for Washington
Click on any day in May to get detailed info about the usual weather on that day in Washington. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Washington | New York | |
|---|---|---|
| Average temperature | 29°C | 22°C |
| Max. temperature | 34°C | 28°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 8,2 mm | 105 mm |
| Rainy days | 2 days | 14 days |
Start of May
The month of May starts in Washington with hot temps, averaging around 28°C during the day and nights around 14°C.
Mid May
By mid-May, daytime temps rise to around 29°C, with nights around 15°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of May
By the end of May, the average daytime temperature in Washington is around 31°C, while nighttime temps are about 16°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Washington for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Washington, Utah. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Washington
Temperature in May in Washington over the years
Precipitation charts
These charts show the average amount of precipitation in May in Washington, Utah. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Washington
Total precipitation in May in Washington over the years
Daily UV index in May in Washington
This chart shows the average daily UV index in May in Washington, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Washington
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Average weather in Washington by month
Click on a month below to see detailed weather info for Washington. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.