May weather forecastSantan, AZ

May

Weather in May

May, the last month of the spring in Santan, is a tropical month, with an average temperature varying between 90.5°F (32.5°C) and 66.9°F (19.4°C).

Temperature

With the onset of May, Santan observes a minor temperature ascent, with the average high-temperature adjusting from April's warm 82.8°F (28.2°C) to a hot 90.5°F (32.5°C). Despite a significant deviation from daily highs, May sees an average nighttime temperature of 66.9°F (19.4°C).

Humidity

In May, the average relative humidity is 19%.

Rainfall

May and June are months with the least rain in Santan when the rain falls for 1.7 days and typically aggregates up to 0.08" (2mm) of rain.

Daylight

In May, the average length of the day is 13h and 53min.
On the first day of May in Santan, sunrise is at 5:38 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 7:30 pm MST.

Sunshine

The average sunshine in May is 11.9h.

UV index

The months with the highest UV index in Santan are May through August, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 8 during May leads to these advisories:
Always be cautious. Skin and eyes can be affected swiftly without protection. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Santan, Arizona, during May is 90.5°F (32.5°C) and the low-temperature is 66.9°F (19.4°C).

In May, the average relative humidity in Santan is 19%.

May and June are months with the least rain in Santan when the rain falls for 1.7 days and typically aggregates up to 0.08" (2mm) of rain.

In Santan, in May, during 1.7 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

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

In May, on the first day of the month, sunrise is at 5:38 am and sunset at 7:09 pm. On the last day of the month, in Santan, sunrise is at 5:19 am and sunset at 7:30 pm MST.

In May, the average sunshine duration in Santan, Arizona, is 11.9h.

The months with the highest UV index in Santan are May through August, with an average maximum UV index of 8.

The average daily maximum UV index in May is 8. A UV Index estimate of 8 to 10 represents a very high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

82.8°F

90.5°F

102.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.4mph

7.5mph

7.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

27.8

28.8

Average UV index

Average cloud cover

11%

Average visibility

6mi

Average temperature in May
Santan, AZ

Average high temperature in May: 90.5°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (62.8°F).

Average low temperature in May: 66.9°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

Average pressure in May
Santan, AZ

Average pressure in May: 29.84"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

Average wind speed in May
Santan, AZ

Average wind speed in May: 6.5mph

The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

Average humidity in May
Santan, AZ

Average humidity in May: 19%

The months with the highest relative humidity are January and December (44%).
The month with the lowest relative humidity is June (17%).

Average rainfall in May
Santan, AZ

Average rainfall in May: 0.08"

The wettest month (with the highest rainfall) is July (1.02").
The driest months (with the least rainfall) are May and June (0.08").

Average rainfall days in May
Santan, AZ

Average rainfall days in May: 1.7 days

The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.2 days).

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

Average daylight in May: 13h and 54min

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 54min

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

Average sunshine days in May
Santan, 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
Santan, AZ

Average UV index in May: 8

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

Average cloud cover in May
Santan, AZ

Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in May
Santan, 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).