Temperatures in May
It's pleasantly warm in May in Grand Canyon National Park with an average temperature of 21°C. Temperatures this month range from a low of 18°C to a high of 26°C. At night, you can expect temperatures between -1°C and 4°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Grand Canyon National Park in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Grand Canyon National Park with mild temperatures, averaging around 21°C during the day and nights close to 1°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature stays the same at 21°C, with nights close to 2°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of May
By the end of May, the average daytime temperature in Grand Canyon National Park will be around 23°C, with nights close to 2°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Precipitation in May
In May, there is an average of 20 mm of precipitation, spread over 4 days. Of the total precipitation, about 0,2 cm falls as snow in May. The wind speed is around 5 Bft, mostly coming from the Southwest.
The precipitation chance averages 11% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Grand Canyon National Park. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Grand Canyon National Park in May |
UK | ||
|---|---|---|---|
 Average Temperature |
21°C | 18°C | |
 High Temp |
26°C | 21°C | |
| Low Temp |
18°C | 15°C | |
 Total Precipitation |
20 mm | 46 mm | |
| Rainy Days |
4 days | 8 days | |
 Total Snowfall |
0,2 cm | 0 cm | |
| Snowy Days |
1 day | 0 days | |
April
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.
Is May a good time to visit Grand Canyon National Park?
Want nice weather? Then May is a great time to be in Grand Canyon National Park. You’ll have pleasant temperatures and little chance of rain this month.
Temperature records for Grand Canyon National Park in May
With 32°C, Grand Canyon National Park hit the highest temperature in the last 10 years in May 2020. The lowest daytime temperature in this month was 5°C in 2019. The extreme night temperatures ranged from a low of -8°C to a high of 13°C.
Check out the climate of Grand Canyon National Park for all months and discover the best travel time
Daily Temperature in May in Grand Canyon National Park
This chart shows the average daily temperatures, both day and night, for each day in May in Grand Canyon National Park, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Grand Canyon National Park
The chart below shows the average daily precipitation in May for Grand Canyon National Park, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 4 days of rain in Grand Canyon National Park.
Daily Snowfall in May in Grand Canyon National Park
This chart shows the average daily snowfall in May in Grand Canyon National Park, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV Index in May in Grand Canyon National Park
This chart shows the average daily UV index in May in Grand Canyon National Park, 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.
Temperature in May in Grand Canyon National Park Over the Years
This chart shows the average temperature in May in Grand Canyon National Park, measured in degrees Celsius, over the past years.
Total Precipitation in May in Grand Canyon National Park Over the Years
This chart shows the average precipitation in May in Grand Canyon National Park, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in May in Grand Canyon National Park per year
This chart shows the average snowfall in May in Grand Canyon National Park, measured in centimetres, over the past years.
Daily climate in May for Grand Canyon National Park
Click on a specific day in May for detailed info on the typical weather on that day in Grand Canyon National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Grand Canyon National Park
The weather in May in Grand Canyon National Park is rated 0 out of 5 stars by 1 visitor. Have you been to Grand Canyon National Park? Share your weather experience to help other visitors.
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Average Weather in Grand Canyon National Park by Month
Click on a month below to see detailed weather info for Grand Canyon National Park. 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 Grand Canyon National Park for all months at once
