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The weather in May in Western America

It's warm in May in Western America with an average temperature of 23°C. Temperatures this month range from a low of 19°C to a high of 27°C. At night, you can expect temperatures between 2°C and 10°C.

Looking for great weather? May is a good time to be in Western America. 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 Western America, United States. 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 37°C in 2020, Western America reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 7°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -7°C to a highest value of 16°C.

Precipitation and snowfall

In May, there is an average of 30 mm of precipitation, spread over 6 days. Of the total precipitation, about 0,5 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in May for Western America

Click on any day in May to get detailed info about the usual weather on that day in Western America. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Western America New York
Average temperature 23°C 22°C
Max. temperature 27°C 28°C
Min. temperature 2°C -5°C
Total precipitation 30 mm 105 mm
Rainy days 6 days 14 days
Total snowfall 0,5 cm 0 cm
Snowy days 1 day 0 days

Start of May

The month of May starts in Western America with warm temps, averaging around 22°C during the day and nights around 4°C.

Mid May

By mid-May, daytime temps stay steady at around 22°C, with nights around 6°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 Western America is around 25°C, while nighttime temps are about 7°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 10 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 Western America for all months and discover the best travel time

Curious about the weather in other parts of United States? Check out the climate and weather for spots like New York City, Miami, Los Angeles, or explore other destinations in United States.

Temperature charts

These charts show the average temperatures in May in Western America, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Western America

Temperature in May in Western America over the years

Precipitation charts

These charts show the average amount of precipitation in May in Western America, United States. 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 Western America

Total precipitation in May in Western America over the years

Daily Snowfall in May in Western America

Snowfall in May in Western America per year

Daily UV index in May in Western America

This chart shows the average daily UV index in May in Western America, 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 Western America

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Average weather in Western America by month

Click on a month below to see detailed weather info for Western America. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.