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Weather in Grand Canyon, Arizona for May 2026

Your guide to Grand Canyon weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Grand Canyon during May is quite rare, with fewer than 2 snowy days on average.
    According to Grand Canyon snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Sunday, May 10.

  • Temperatures

  • The forecast for the first days of May 2026 in Grand Canyon predicts temperatures to be around 18 °F, close to the historical average.

  • In general, the average temperature in Grand Canyon at the beginning of May is 18.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.3 °F by the end of May.

  • Rain 🌧️

  • Grand Canyon experiences moderate rainfall in May, with an average of 8 rainy days and a total precipitation of 22.7 mm.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/9°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
34 %
Avg humidity

Grand Canyon Weather May

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Temperatures trend during May in Grand Canyon

See the weather trend as well as the moving average line

May weather in Grand Canyon day by day

Click on a date for more information
Date Weather Temperatures Rain Snow More
May 1 Patchy rain possible
Patchy rain possible
15° /8° 1.9 mm 0 cm
May 2 Sunny
Sunny
19° /8° 0 mm 0 cm
May 3 Patchy rain possible
Patchy rain possible
21° /12° 0.3 mm 0 cm
May 4 Sunny
Sunny
20° /11° 0 mm 0 cm
May 5 Patchy rain possible
Patchy rain possible
15° /7° 1.3 mm 0 cm
May 6 Sunny
Sunny
16° /4° 0 mm 0 cm
May 7 Sunny
Sunny
21° /8° 0 mm 0 cm
May 8 Sunny
Sunny
21° /10° 0 mm 0 cm
May 9 Patchy rain possible
Patchy rain possible
20° /8° 2.5 mm 0 cm
May 10 Patchy rain possible
Patchy rain possible
10° /4° 2.8 mm 0.6 cm
May 11 Sunny
Sunny
18° /6° 0 mm 0 cm
May 12 Sunny
Sunny
22° /11° 0 mm 0 cm
May 13 Sunny
Sunny
18° /8° 0 mm 0 cm
May 14 Heavy rain at times
Heavy rain at times
14° /3° 1.8 mm 0 cm
May 15 Sunny
Sunny
19° /6° 0 mm 0 cm
May 16 Sunny
Sunny
20° /6° 0 mm 0 cm
May 17 Overcast
Overcast
19° /9° 0 mm 0 cm
May 18 Moderate rain at times
Moderate rain at times
16° /4° 3 mm 0 cm
May 19 Sunny
Sunny
14° /4° 0 mm 0 cm
May 20 Sunny
Sunny
21° /5° 0 mm 0 cm
May 21 Sunny
Sunny
25° /12° 0 mm 0 cm
May 22 Sunny
Sunny
27° /12° 0 mm 0 cm
May 23 Sunny
Sunny
26° /12° 0 mm 0 cm
May 24 Overcast
Overcast
23° /11° 0 mm 0 cm
May 25 Sunny
Sunny
22° /9° 0 mm 0 cm
May 26 Partly cloudy
Partly cloudy
24° /11° 0 mm 0 cm
May 27 Overcast
Overcast
23° /13° 0 mm 0 cm
May 28 Partly cloudy
Partly cloudy
24° /13° 0 mm 0 cm
May 29 Overcast
Overcast
27° /14° 0 mm 0 cm
May 30 Overcast
Overcast
28° /16° 0 mm 0 cm
May 31 Partly cloudy
Partly cloudy
29° /17° 0 mm 0 cm
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Important Notice
Our weather forecast for Grand Canyon in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grand Canyon forecast closer to your planned date for the most up-to-date weather information.

Grand Canyon in May - FAQ

What are the expected maximum and minimum temperatures in Grand Canyon during May?

Enjoy moderate daytime temperatures of up to 21° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Grand Canyon during May?

In May, Grand Canyon can expect light to moderate rainfall, totaling 22.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Grand Canyon during May?

The average wind speed in Grand Canyon during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Grand Canyon snow forecast May 2026

Track daily snowfall levels and discover Grand Canyon’s snowy potential this May ❄️

May rainfall patterns in Grand Canyon

Explore the daily rainfall trends and prepare for Grand Canyons May weather 💧
Typically, Grand Canyon has 8 rainy days in May with a total of 22.7 mm of rainfall.

UV exposure in Grand Canyon during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Grand Canyon?

Get accurate weather forecasts for Grand Canyon, located at latitude 36.054 and longitude -112.139. Stay updated with localized weather information tailored for Grand Canyon.

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