June weather forecast
Casa Grande, AZ

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Weather in June

June brings extreme high temperatures to Casa Grande, marking the zenith of the summer season. It's the time of the year when the city experiences its longest days of approximately 14.3 hours of daylight, with reduced visibility due to the summer haze. The temperatures escalate significantly, with the highest recorded temperature touching an intense 101.8°F (38.8°C). As June passes to July, the high temperatures relent slightly, but this period of the year remains the warmest, catering to the city's reputation as a hot desert region.

Temperature

With the onset of June, the average high-temperature slightly shifts from May's tropical 90.7°F (32.6°C) to a torrid 101.8°F (38.8°C). Casa Grande's nighttime average of 75.4°F (24.1°C) during June reflects a substantial decrease from the daytime temperature.

Humidity

The least humid month is June, with an average relative humidity of 16%.

Rainfall

June is the month with the least rainfall. Rain falls for 1.8 days and accumulates 0.12" (3mm) of precipitation.

Daylight

With an average of 14h and 18min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:19 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 7:39 pm MST.

Sunshine

The month with the most sunshine is June, with an average of 12.2h of sunshine.

UV index

June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 8 in June interprets into the following advice:
Be sure to take precautions. Without protection, skin might suffer damage quickly. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

How hot is it in June?

In Casa Grande, in June, the average high-temperature is 101.8°F (38.8°C), and the average low-temperature is 75.4°F (24.1°C).

What is the least humid month?

With an average relative humidity of 16%, June is the least humid month.

What is the average humidity in June?

In Casa Grande, the average relative humidity in June is 16%.

What is the driest month?

June is the month with the least rainfall. Rain falls for 1.8 days and accumulates 0.12" (3mm) of precipitation.

How much does it rain in Casa Grande in June?

In Casa Grande, during June, the rain falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of precipitation.

When are the longest days?

With an average of 14h and 18min of daylight, June has the longest days of the year.

What is the average length of the day in June in Casa Grande?

In June, the average day length in Casa Grande is 14h and 17min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:19 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 7:39 pm MST.

What month has the most sunshine in Casa Grande?

June has the most sunshine of the year, with an average of 12.2h of sunshine.

How long on average sun shines in June in Casa Grande?

The average sunshine duration in June is 12.2h.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 8, are months with the highest UV index.

What is the UV index intensity in June?

In June, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very 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 June
Casa Grande, AZ

Average temperature in June - Casa Grande, AZ
  • Average high temperature in June: 101.8°F

The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in June: 75.4°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

Average pressure in June
Casa Grande, AZ

Average pressure in June - Casa Grande, AZ
  • Average pressure in June: 29.81"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

Average wind speed in June
Casa Grande, AZ

Average wind speed in June - Casa Grande, AZ
  • Average wind speed in June: 6.6mph

The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.9mph).

Average humidity in June
Casa Grande, AZ

Average humidity in June - Casa Grande, AZ
  • Average humidity in June: 16%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (16%).

Average rainfall in June
Casa Grande, AZ

Average rainfall in June - Casa Grande, AZ
  • Average rainfall in June: 0.12"

The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in June
Casa Grande, AZ

Average rainfall days in June - Casa Grande, AZ
  • Average rainfall days in June: 1.8 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.8 days).

Average daylight in June /
Average sunshine in June
Casa Grande, AZ

Average daylight in June / Average sunshine in June - Casa Grande, AZ
  • Average daylight in June: 14h and 2min

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 June: 12h and 1min

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 54min).

Average sunshine days in June
Casa Grande, AZ

Average sunshine days in June - Casa Grande, AZ
  • Average sunshine days in June: 27.7 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (15.4 days).

Average UV index in June
Casa Grande, AZ

Average UV index in June - Casa Grande, AZ
  • Average UV index in June: 8

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 June
Casa Grande, AZ

Average cloud cover in June - Casa Grande, AZ
  • Average cloud cover in June: 6

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 June
Casa Grande, AZ

Average visibility in June - Casa Grande, AZ
  • Average visibility in June: 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).

Casa Grande, Arizona, USA

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