May weather forecast
Prescott, AZ

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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

May signifies the onset of summer in Prescott, with teh thermometers charting a range from 48.9°F (9.4°C) to 73.9°F (23.3°C). Clear and sunny days begin to dominate with the cloud percentage, taking an evident dip. A noticeable rise in UV Index indicates that all protective measures against sunburn become necessary. For outdoor enthusiasts, the visibility remains favourable, inviting them for an adventure under the azure skies. Despite the climatic shift, rainfall remains restrained, demonstrating the aridity of the approaching summer months.

Temperature

With the onset of May, Prescott's average high-temperature sees a modest rise, moving from April's refreshing 66.6°F (19.2°C) to a moderately hot 73.9°F (23.3°C). May, marked by an average low-temperature of 48.9°F (9.4°C), indicates a large temperature drop from the daytime peak.

Humidity

The average relative humidity in May in Prescott is 30%.

Rainfall

In May, in Prescott, Arizona, the rain falls for 3.7 days. Throughout May, 0.43" (11mm) of precipitation is accumulated. Throughout the year, in Prescott, 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 May is 13h and 59min.
On the first day of May, sunrise is at 5:38 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 7:37 pm MST.

Sunshine

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

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 in May translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the temperature in May in Prescott?

The high-temperature, in May, in Prescott, records 73.9°F (23.3°C), while the low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Prescott?

The average relative humidity in May in Prescott, Arizona, is 30%.

How much does it rain in Prescott in May?

In Prescott, Arizona, in May, during 3.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Prescott?

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

Does it snow in Prescott in May?

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

How many hours of daylight does Prescott have in May?

In Prescott, Arizona, the average day length in May is 13h and 59min.

When are sunrise and sunset in May in Prescott?

In May, on the first day of the month, sunrise is at 5:38 am and sunset at 7:14 pm. On the last day of the month, in Prescott, sunrise is at 5:18 am and sunset at 7:37 pm MST.

How many hours of sunshine does Prescott have in May?

The average sunshine duration in May in Prescott is 11.8h.

What is the UV index reading in May in Prescott?

In May, the average daily maximum UV index in Prescott, Arizona, is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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

The 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").
The 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).
The 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 and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in May: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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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

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

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Prescott, Arizona, USA

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