Flagstaff
Arizona, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Flagstaff, AZ

A close-up of the brown iconic clock tower in the city of Flagstaff, Arizona, with the street signs of Birch Avenue and San Francisco Street
A close-up of the brown iconic clock tower in the city of Flagstaff, Arizona, with the street signs of Birch Avenue and San Francisco Street
June, the first month of the summer, in Flagstaff, is a warm month, with average temperature varying between 77.9°F (25.5°C) and 41.9°F (5.5°C).

Temperature

In June, the average high-temperature increases, from an agreeable 68.2°F (20.1°C) in May, to a warm 77.9°F (25.5°C). In Flagstaff, the average low-temperature is 41.9°F (5.5°C).

Humidity

With an average relative humidity of 33.6%, June is the least humid month.

Rainfall

The month with the least rainfall in Flagstaff is June when the rain falls for 2.6 days and typically collects 0.4" (9.1mm) of precipitation.

Snowfall

In Flagstaff snow does not fall through September.

Daylight

The month with the longest days is June, with an average of 14.5h of daylight.

Sunshine

The month with the most sunshine in Flagstaff is June, with an average of 12.4h of sunshine.

UV index

In June, the average daily maximum UV index is 11. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 11 in June interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in June in Flagstaff?

In Flagstaff, Arizona, in June, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 41.9°F (5.5°C).

What is the least humid month in Flagstaff?

The least humid month is June, with an average relative humidity of 33.6%.

What is the average humidity in June in Flagstaff?

The average relative humidity in June is 33.6%.

How much does it rain in Flagstaff in June?

In June, in Flagstaff, the rain falls for 2.6 days. Throughout June, 0.4" (9.1mm) of precipitation is accumulated.

What is the driest month in Flagstaff?

June is the month with the least rainfall in Flagstaff, Arizona. Rain falls for 2.6 days and accumulates 0.4" (9.1mm) of precipitation.

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 it does not snow in Flagstaff?

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

When are the longest days in Flagstaff?

With an average of 14.5h of daylight, June has the longest days of the year.

How many hours of daylight does Flagstaff have in June?

In Flagstaff, the average length of the day in June is 14.5h.

What month has the most sunshine in Flagstaff?

The month with the most sunshine in Flagstaff, Arizona, is June, with an average of 12.4h of sunshine.

How long on average sun shines in June in Flagstaff?

In June, the average sunshine is 12.4h.

What is the UV index reading in June in Flagstaff?

In Flagstaff, the average daily maximum UV index in June is 11. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Flagstaff, AZ
  • Average high temperature in June: 77.9°F

The warmest month (with the highest average high temperature) is July (81.2°F).
Months with the lowest average high temperature are January and December (42.5°F).

  • Average low temperature in June: 41.9°F

The month with the highest average low temperature is July (50.9°F).
The coldest month (with the lowest average low temperature) is December (16.8°F).

Average humidity in June - Flagstaff, AZ
  • Average humidity in June: 33.6%

The month with the highest relative humidity is January (61.9%).
The month with the lowest relative humidity is June (33.6%).

Average rainfall in June - Flagstaff, AZ
  • Average rainfall in June: 0.4"

The wettest month (with the highest rainfall) is August (3.1").
The driest month (with the lowest rainfall) is June (0.4").

Average rainfall days in June - Flagstaff, AZ
  • Average rainfall days in June: 2.6 days

The month with the highest number of rainy days is August (14 days).
The month with the lowest number of rainy days is June (2.6 days).

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

The month with the highest snowfall is January (23.2").
Months with the lowest snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is January (7.5 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - Flagstaff, AZ
  • Average daylight in June: 14.5h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in June: 12.4h

The month with most sunshine is June (Average sunshine: 12.4h).
The month with least sunshine is December (Average sunshine: 7.1h).

Average UV index in June - Flagstaff, AZ
  • Average UV index in June: 11

The month with the highest UV index is July (UV index 12).
Months with the lowest UV index are January and December (UV index 3).