May weather forecast
Apache Junction, AZ

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Weather in May

In May, Apache Junction is painted in an authentic Arizonian summer. Visitors will notice a substantial change in the temperature frame compared to April, which inclines more towards the hotter side. Sunlight floods the day, and cloud cover is lowest compared to previous months, signifying bright and scorching days. It should be noted that the least rainfall, 0.16" (4mm) is seen in this month, accentuating the aridity of this region. With the advent of June, the temperatures only rise, settling firmly in the heart of summer.

Temperature

Apache Junction observes a slight ascent in average high-temperatures during May, adjusting from a moderately hot 80.2°F (26.8°C) in April to a hot 88°F (31.1°C). During May, the nighttime temperature in Apache Junction presents a clear descent from the daily peaks, falling to an average of 63.9°F (17.7°C).

Humidity

In May, the average relative humidity is 20%.

Rainfall

In Apache Junction, in May, during 2.3 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 59.4 rainfall days, and 9.21" (234mm) of precipitation is accumulated.

Daylight

The average length of the day in May is 13h and 54min.
On the first day of May in Apache Junction, sunrise is at 5:37 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 7:30 pm MST.

Sunshine

The average sunshine in May in Apache Junction is 11.9h.

UV index

The average daily maximum UV index in May in Apache Junction is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in May interprets into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

How hot is May in Apache Junction?

The high-temperature, in May, in Apache Junction, records 88°F (31.1°C), while the low-temperature is 63.9°F (17.7°C).

What is the average humidity in May in Apache Junction?

In Apache Junction, Arizona, the average relative humidity in May is 20%.

How much does it rain in Apache Junction in May?

In Apache Junction, during May, the rain falls for 2.3 days and regularly aggregates up to 0.16" (4mm) of precipitation.

What is the average length of the day in May in Apache Junction?

In Apache Junction, the average day length in May is 13h and 54min.

What time are sunrise and sunset in May in Apache Junction?

On the first day of May in Apache Junction, Arizona, sunrise is at 5:37 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 7:30 pm MST.

How many hours of sunshine does Apache Junction have in May?

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

What is the UV index intensity in May in Apache Junction?

In Apache Junction, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Apache Junction, AZ

Average temperature in May - Apache Junction, AZ
  • Average high temperature in May: 88°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in May: 63.9°F

The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (45°F).

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Average pressure in May
Apache Junction, AZ

Average pressure in May - Apache Junction, 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).

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Average wind speed in May
Apache Junction, AZ

Average wind speed in May - Apache Junction, AZ
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is December (5mph).

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Average humidity in May
Apache Junction, AZ

Average humidity in May - Apache Junction, AZ
  • Average humidity in May: 20%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in May
Apache Junction, AZ

Average rainfall in May - Apache Junction, AZ
  • Average rainfall in May: 0.16"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in May
Apache Junction, AZ

Average rainfall days in May - Apache Junction, AZ
  • Average rainfall days in May: 2.3 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in May /
Average sunshine in May
Apache Junction, AZ

Average daylight in May / Average sunshine in May - Apache Junction, 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 42min).

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Average sunshine days in May
Apache Junction, AZ

Average sunshine days in May - Apache Junction, 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 (17.3 days).

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Average UV index in May
Apache Junction, AZ

Average UV index in May - Apache Junction, 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).

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Average cloud cover in May
Apache Junction, AZ

Average cloud cover in May - Apache Junction, AZ
  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in May
Apache Junction, AZ

Average visibility in May - Apache 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).

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Apache Junction, Arizona, USA

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