May weather forecast
Florence, AZ

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One of the historic buildings of Florence City in Arizona
One of the historic buildings of Florence City in Arizona

Weather in May

May is when Florence, Arizona, experiences a significant transition in weather towards the sweltering summer. Temperatures rise noticeably, and the atmospheric pressure also sees a reduction, indicating the onset of the hotter months. However, rainfall remains constant at 0.2" (5mm). The comfort of the breeze, accompanied by declining rainfall, adds an undeniably pleasant touch to the expanding summer. Consequently, the longer May days host spectacular Arizona sunsets, painting the Florence skies in hues of russet and gold.

Temperature

As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a warm 81.5°F (27.5°C) to a hot 89.2°F (31.8°C). Florence's nighttime temperature in May demonstrates a noticeable plunge to a refreshing 64.9°F (18.3°C).

Humidity

In May, the average relative humidity is 20%.

Rainfall

In Florence, Arizona, in May, it is raining for 2.1 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 61.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 53min.
On the first day of May, sunrise is at 5:37 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 7:29 pm MST.

Sunshine

In Florence, the average sunshine in May is 11.9h.

UV index

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during May translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Florence in May?

In Florence, in May, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 64.9°F (18.3°C).

What is the average humidity in May?

In Florence, the average relative humidity in May is 20%.

How much does it rain in May?

In May, the rain falls for 2.1 days. Throughout May, 0.2" (5mm) of precipitation is accumulated.

How many hours of daylight does Florence have in May?

In Florence, the average day length in May is 13h and 53min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 7:29 pm MST.

How long on average sun shines in May?

In May, the average sunshine duration is 11.9h.

What is the UV index reading in May?

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

Average temperature in May
Florence, AZ

Average temperature in May - Florence, AZ
  • Average high temperature in May: 89.2°F

The warmest month (with the highest average high temperature) is July (100.2°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in May: 64.9°F

The month with the highest average low temperature is August (81.7°F).
The coldest months (with the lowest average low temperature) are January and December (45.9°F).

Average pressure in May
Florence, AZ

Average pressure in May - Florence, AZ
  • Average pressure in May: 29.85"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in May
Florence, AZ

Average wind speed in May - Florence, AZ
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).

Average humidity in May
Florence, AZ

Average humidity in May - Florence, AZ
  • Average humidity in May: 20%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (17%).

Average rainfall in May
Florence, AZ

Average rainfall in May - Florence, AZ
  • Average rainfall in May: 0.2"

The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in May
Florence, AZ

Average rainfall days in May - Florence, AZ
  • Average rainfall days in May: 2.1 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (2 days).

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

Average daylight in May / Average sunshine in May - Florence, AZ
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 11h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in May
Florence, AZ

Average sunshine days in May - Florence, AZ
  • Average sunshine days in May: 28.8 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.4 days).

Average UV index in May
Florence, AZ

Average UV index in May - Florence, AZ
  • Average UV index in May: 7

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Florence, AZ

Average cloud cover in May - Florence, AZ
  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).

Average visibility in May
Florence, AZ

Average visibility in May - Florence, 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).

Florence, Arizona, USA

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