May weather forecastSwift Trail Junction, AZ

May

Weather in May

The last month of the spring, May, is another warm month in Swift Trail Junction, Arizona, with an average temperature varying between 56.5°F (13.6°C) and 82.8°F (28.2°C).

Temperature

As Swift Trail Junction welcomes May, the average high-temperature displays a subtle shift, adjusting from 74.8°F (23.8°C) in April to a still warm 82.8°F (28.2°C). Swift Trail Junction marks a considerable descent from the daytime apex, as the average temperature dips to a moderate 56.5°F (13.6°C) at night throughout May.

Humidity

In May, the average relative humidity is 22%.

Rainfall

The months with the least rainfall are April and May Rain falls for 3.2 days and accumulates 0.16" (4mm) of rain.

Snowfall

In Swift Trail Junction, Arizona, snow does not fall in March through August, October and November.

Daylight

In May, the average length of the day in Swift Trail Junction is 13h and 52min.
On the first day of the month, sunrise is at 5:30 am and sunset at 7:00 pm. On the last day of May, sunrise is at 5:11 am and sunset at 7:21 pm MST.

Sunshine

The average sunshine in May in Swift Trail Junction is 12h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Swift Trail Junction. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 in May translates into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

During May, Swift Trail Junction experiences an average high-temperature of 82.8°F (28.2°C) and a low-temperature of 56.5°F (13.6°C).

The average relative humidity in May is 22%.

The months with the least rainfall are April and May Rain falls for 3.2 days and accumulates 0.16" (4mm) of rain.

In May, the rain falls for 3.2 days. Throughout May, 0.16" (4mm) of precipitation is accumulated.

In Swift Trail Junction, snow does not fall in March through August, October and November.

The average day length in May in Swift Trail Junction, Arizona, is 13h and 52min.

On the first day of May, sunrise is at 5:30 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 7:21 pm MST.

In May, the average sunshine duration is 12h.

The months with the highest UV index in Swift Trail Junction are May through August, with an average maximum UV index of 7.

In May, the average daily maximum UV index in Swift Trail Junction, Arizona, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Swift Trail Junction, AZ

  • Average high temperature in May: 82.8°F

The warmest month (with the highest average high temperature) is June (93.2°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in May: 56.5°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

Average pressure in May
Swift Trail Junction, AZ

  • Average pressure in May: 29.88"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in May
Swift Trail Junction, AZ

  • Average wind speed in May: 7.5mph

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest months (with the lowest average wind speed) are January and December (5.2mph).

Average humidity in May
Swift Trail Junction, AZ

  • Average humidity in May: 22%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is June (20%).

Average rainfall in May
Swift Trail Junction, AZ

  • Average rainfall in May: 0.16"

The wettest month (with the highest rainfall) is July (1.3").
The driest months (with the least rainfall) are April and May (0.16").

Average rainfall days in May
Swift Trail Junction, AZ

  • Average rainfall days in May: 3.2 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is May (3.2 days).

Average snowfall in May
Swift Trail Junction, AZ

  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.39").
The months with the least snowfall are March, April, May, June, July, August, October and November (0").

Average snowfall days in May
Swift Trail Junction, AZ

  • Average snowfall days in May: 0 days

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

Average daylight in May /
Average sunshine in May
Swift Trail Junction, 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: 12h and 0min

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: 7h and 0min).

Average sunshine days in May
Swift Trail Junction, AZ

  • Average sunshine days in May: 26.7 days

The month with the most sunshine days is May (26.7 days).
The month with the least sunshine days is July (12.6 days).

Average UV index in May
Swift Trail Junction, AZ

  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in May
Swift Trail Junction, AZ

  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 20).
The months with the least cloud cover are May and June (Cloud cover 8).

Average visibility in May
Swift Trail Junction, 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).