The weather in the United States on wednesday 21 May 2025
The average max temperature in the United States on 21 May is normally around 23°C. For comparison: the highest daytime temperature in the past 10 years was 29°C in 2014, while the lowest was 18°C in 2015.
There’s a small chance of precipitation, as 4 out of the last 10 years saw some, with an average of 25,1 mm on this day. The wind often comes from the Southeast with a maximum strength of 4 Bft.The UV index can reach 7.
20 May
Temperature on 21 May in the United States per year
This chart shows the average temperature on 21 May in the United States, measured in degrees Celsius, over the past years.
Precipitation on 21 May in the United States over the past years
This chart shows the total measured precipitation in millimetres on 21 May in the United States over the past years.
Average Weather in the United States by Month
Click on a month below to see detailed weather info for the United States. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of the United States for all months at once
States of the USA
