May weather forecast and climate
Prescott, AZ

Beautiful sunset above the calm Watson Lake in the Granite Dells of Prescott, Arizona
Beautiful sunset above the calm Watson Lake in the Granite Dells of Prescott, Arizona

Weather in May

The last month of the spring, May, is a moderately hot month in Prescott, Arizona, with average temperature ranging between min 48.9°F (9.4°C) and max 73.9°F (23.3°C).

Temperature

In Prescott, Arizona, the average high-temperature slightly increases, from an enjoyable 66.6°F (19.2°C) in April, to a warm 73.9°F (23.3°C). The average low-temperature, in May, is 48.9°F (9.4°C).

Humidity

In May, the average relative humidity is 30%.

Rainfall

In Prescott, Arizona, in May, during 3.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 76.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

In Prescott snow does not fall in May through October.

Daylight

The average length of the day in Prescott, Arizona, is 14h.

Sunshine

In May, the average sunshine in Prescott is 11.8h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Prescott?

In Prescott, Arizona, in May, the average high-temperature is 73.9°F (23.3°C), and the average low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Prescott?

In May, the average relative humidity is 30%.

How many days does it rain in May in Prescott?

In Prescott, during May, the rain falls for 3.7 days and regularly aggregates up to 0.43" (11mm) of precipitation.

Does it snow in Prescott in May?

In May, in Prescott, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Prescott?

In Prescott, Arizona, snow does not fall in May through October.

How many hours of daylight does Prescott have in May?

In Prescott, Arizona, the average length of the day in May is 14h.

How long on average sun shines in May in Prescott?

In May, the average sunshine in Prescott is 11.8h.

What is the UV index reading in May in Prescott?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Prescott, AZ

Average temperature in May - Prescott, AZ
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).

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Average pressure in May
Prescott, AZ

Average pressure in May - Prescott, AZ
  • Average pressure in May: 29.85"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in May
Prescott, AZ

Average wind speed in May - Prescott, AZ
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Prescott, AZ

Average humidity in May - Prescott, AZ
  • Average humidity in May: 30%

The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in May
Prescott, AZ

Average rainfall in May - Prescott, AZ
  • Average rainfall in May: 0.43"

The wettest month (with the highest rainfall) is July (4.33").
The driest month (with the least rainfall) is June (0.24").

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Average rainfall days in May
Prescott, AZ

Average rainfall days in May - Prescott, AZ
  • Average rainfall days in May: 3.7 days

Months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is June (2.3 days).

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Average snowfall in May
Prescott, AZ

Average snowfall in May - Prescott, AZ
  • Average snowfall in May: 0"

The month with the highest snowfall is December (4.13").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Prescott, AZ

Average snowfall days in May - Prescott, AZ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (3.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Prescott, AZ

Average daylight in May / Average sunshine in May - Prescott, AZ
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 11.8h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in May
Prescott, AZ

Average sunshine days in May - Prescott, AZ
  • Average sunshine days in May: 26.8 days

The month with the most sunshine days is May (26.8 days).
The month with the least sunshine days is August (12.8 days).

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Average UV index in May
Prescott, AZ

Average UV index in May - Prescott, AZ
  • Average UV index in May: 6

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Prescott, AZ

Average cloud cover in May - Prescott, AZ
  • Average cloud cover in May: 11

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in May
Prescott, AZ

Average visibility in May - Prescott, AZ
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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