June weather forecast
Flagstaff, AZ

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The brown iconic clock tower in the city of Flagstaff, Arizona, with the street signs of Birch Avenue and San Francisco Street
The brown iconic clock tower in the city of Flagstaff, Arizona, with the street signs of Birch Avenue and San Francisco Street

Weather in June

June signals the onset of summer in Flagstaff, with temperatures rising noticeably. The mercury soars to an average high of 81.5°F (27.5°C), marking this month as one of the hottest of the year. At the same time, June records the lowest average rainfall, indicating a dry atmosphere. The cloud cover decreases to its minimum for the year, facilitating more hours of sunshine. In conclusion, June signifies the peak of summer in Flagstaff.

Temperature

June brings a rise in Flagstaff's average high-temperature, moving from an agreeable 68.9°F (20.5°C) in May to a moderately hot 81.5°F (27.5°C). In the face of high daytime temperatures, Flagstaff witnesses a consistent average nighttime low of 54.1°F (12.3°C) during June.

Humidity

With an average relative humidity of 24%, June is the least humid month in Flagstaff.

Rainfall

The month with the least rainfall in Flagstaff is June, when the rain falls for 3 days and typically collects 0.24" (6mm) of precipitation.

Snowfall

June through September are months without snowfall in Flagstaff.

Daylight

With an average of 14h and 30min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:12 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 7:45 pm MST.

Sunshine

June and August, with an average of 12.2h of sunshine, are months with the most sunshine in Flagstaff.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 6 in June transforms into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What are June temperatures in Flagstaff?

In June, in Flagstaff, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 54.1°F (12.3°C).

What is the least humid month in Flagstaff?

June is the least humid month in Flagstaff, with an average relative humidity of 24%.

What is the average humidity in June in Flagstaff?

In Flagstaff, Arizona, the average relative humidity in June is 24%.

What is the driest month in Flagstaff?

The month with the least rainfall is June, when the rain falls for 3 days and typically collects 0.24" (6mm) of precipitation.

How many days does it rain in June in Flagstaff?

In Flagstaff, Arizona, in June, during 3 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

When it does not snow in Flagstaff?

In Flagstaff, Arizona, snow does not fall in June through September.

Does it snow in Flagstaff in June?

In June, in Flagstaff, Arizona, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Flagstaff?

The month with the longest days is June, with an average of 14h and 30min of daylight.

What is the average length of the day in June in Flagstaff?

In June, the average day length in Flagstaff, Arizona, is 14h and 29min.

When is the sunrise / sunset in June in Flagstaff?

On the first day of June in Flagstaff, Arizona, sunrise is at 5:12 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 7:45 pm MST.

What is the month with the most sunshine in Flagstaff?

The months with the most sunshine are June and August, with an average of 12.2h of sunshine.

How many hours of sunshine does Flagstaff have in June?

The average sunshine duration in June is 12.2h.

What is the month with the highest UV index in Flagstaff?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Flagstaff?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Flagstaff, AZ

Average temperature in June - Flagstaff, AZ
  • Average high temperature in June: 81.5°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (42.6°F).

  • Average low temperature in June: 54.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

Average pressure in June
Flagstaff, AZ

Average pressure in June - Flagstaff, AZ
  • Average pressure in June: 29.86"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in June
Flagstaff, AZ

Average wind speed in June - Flagstaff, AZ
  • Average wind speed in June: 9mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in June
Flagstaff, AZ

Average humidity in June - Flagstaff, AZ
  • Average humidity in June: 24%

The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is June (24%).

Average rainfall in June
Flagstaff, AZ

Average rainfall in June - Flagstaff, AZ
  • Average rainfall in June: 0.24"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is June (0.24").

Average rainfall days in June
Flagstaff, AZ

Average rainfall days in June - Flagstaff, AZ
  • Average rainfall days in June: 3 days

The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are February and November (2.5 days).

Average snowfall in June
Flagstaff, AZ

Average snowfall in June - Flagstaff, AZ
  • Average snowfall in June: 0"

The month with the highest snowfall is December (7.36").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Flagstaff, AZ

Average snowfall days in June - Flagstaff, AZ
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in June /
Average sunshine in June
Flagstaff, AZ

Average daylight in June / Average sunshine in June - Flagstaff, AZ
  • Average daylight in June: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in June: 12h and 1min

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 48min).

Average sunshine days in June
Flagstaff, AZ

Average sunshine days in June - Flagstaff, AZ
  • Average sunshine days in June: 25.8 days

The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in June
Flagstaff, AZ

Average UV index in June - Flagstaff, AZ
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Flagstaff, AZ

Average cloud cover in June - Flagstaff, AZ
  • Average cloud cover in June: 7

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

Average visibility in June
Flagstaff, AZ

Average visibility in June - Flagstaff, 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).

Flagstaff, Arizona, USA

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