May weather forecast
Saint David, AZ

Weather in May

The last month of the spring, May, is also a moderately hot month in Saint David, Arizona, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 82.6°F (28.1°C).

Temperature

In May, the average high-temperature marginally rises from 75.6°F (24.2°C) in April to a still warm 82.6°F (28.1°C). In May, the average low-temperature is 55.8°F (13.2°C).

Humidity

The average relative humidity in May in Saint David, Arizona, is 22%.

Rainfall

The months with the least rainfall are April and May Rain falls for 2.1 days and accumulates 0.12" (3mm) of rain.

Snowfall

March through November are months without snowfall in Saint David.

Daylight

In Saint David, the average length of the day in May is 13h and 48min.
On the first day of May, sunrise is at 5:34 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 7:21 pm MST.

Sunshine

The average sunshine in May in Saint David is 12h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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 average humidity in May in Saint David?

In Saint David, Arizona, the average relative humidity in May is 22%.

What is the driest month in Saint David?

April and May are months with the least rain in Saint David when the rain falls for 2.1 days and typically aggregates up to 0.12" (3mm) of rain.

How much does it rain in Saint David in May?

In May, in Saint David, the rain falls for 2.1 days. Throughout May, 0.12" (3mm) of precipitation is accumulated.

When it does not snow in Saint David?

March through November are months without snowfall in Saint David.

What is the average length of the day in May in Saint David?

The average day length in May in Saint David, Arizona, is 13h and 48min.

When is the sunrise / sunset in May in Saint David?

On the first day of May in Saint David, sunrise is at 5:34 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 7:21 pm MST.

How many hours of sunshine does Saint David have in May?

In May, the average sunshine duration in Saint David, Arizona, is 12h.

What are the months with the highest UV index in Saint David?

The months with the highest UV index in Saint David, Arizona, are May through August, with an average maximum UV index of 7.

What is the UV index intensity in May in Saint David?

In Saint David, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in May
Saint David, AZ

Average temperature in May - Saint David, AZ
  • Average high temperature in May: 82.6°F

The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in May: 55.8°F

The month with the highest average low temperature is July (71.8°F).
The coldest months (with the lowest average low temperature) are January and December (38.5°F).

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Average pressure in May
Saint David, AZ

Average pressure in May - Saint David, AZ
  • Average pressure in May: 29.87"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Saint David, AZ

Average wind speed in May - Saint David, AZ
  • Average wind speed in May: 8.7mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Saint David, AZ

Average humidity in May - Saint David, AZ
  • Average humidity in May: 22%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in May
Saint David, AZ

Average rainfall in May - Saint David, AZ
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is August (2.48").
The driest months (with the least rainfall) are April and May (0.12").

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Average rainfall days in May
Saint David, AZ

Average rainfall days in May - Saint David, AZ
  • Average rainfall days in May: 2.1 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.1 days).

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Average snowfall in May
Saint David, AZ

Average snowfall in May - Saint David, AZ
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Saint David, AZ

Average snowfall days in May - Saint David, AZ
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Saint David, AZ

Average daylight in May / Average sunshine in May - Saint David, AZ
  • Average daylight in May: 13h and 48min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 7min).

  • Average sunshine in May: 12h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in May
Saint David, AZ

Average sunshine days in May - Saint David, AZ
  • Average sunshine days in May: 28.4 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in May
Saint David, AZ

Average UV index in May - Saint David, AZ
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in May
Saint David, AZ

Average cloud cover in May - Saint David, AZ
  • Average cloud cover in May: 7

The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 7).

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Average visibility in May
Saint David, AZ

Average visibility in May - Saint David, 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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