June weather forecast and climate
Boise, ID

The golden fall season in Boise, Idaho
The golden fall season in Boise, Idaho
June, the first month of the summer, in Boise, is a warm month, with average temperature fluctuating between 75.7°F (24.3°C) and 52.7°F (11.5°C).

Temperature

In June, the average high-temperature marginally rises, from an enjoyable 67.1°F (19.5°C) in May, to a moderately hot 75.7°F (24.3°C). The average low-temperature, in Boise, is 52.7°F (11.5°C).

Humidity

In June, the average relative humidity in Boise is 45%.

Rainfall

In Boise, Idaho, in June, during 8.6 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 116.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.

Snowfall

In Boise snow does not fall in May through October.

Daylight

With an average of 15.4h of daylight, June has the longest days of the year.

Sunshine

In Boise, the average sunshine in June is 11.4h.

UV index

In Boise, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Boise?

In Boise, in June, the average high-temperature is 75.7°F (24.3°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in June in Boise?

In June, the average relative humidity in Boise is 45%.

How many days does it rain in June in Boise?

In June, the rain falls for 8.6 days. Throughout June, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Boise?

May through October are months without snowfall in Boise.

When are the longest days in Boise?

The month with the longest days in Boise, Idaho, is June, with an average of 15.4h of daylight.

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

In Boise, the average length of the day in June is 15.4h.

How long on average sun shines in June in Boise?

In Boise, Idaho, the average sunshine in June is 11.4h.

How high is the UV index in June in Boise?

In Boise, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Boise, ID
  • Average high temperature in June: 75.7°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in June: 52.7°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure in June - Boise, ID
  • Average pressure in June: 29.9"

The month with the highest atmospheric pressure is January (30.25").
The month with the lowest atmospheric pressure is June (29.9").

Average wind speed in June - Boise, ID
  • Average wind speed in June: 6mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

Average humidity in June - Boise, ID
  • Average humidity in June: 45%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).

Average rainfall in June - Boise, ID
  • Average rainfall in June: 1.02"

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in June - Boise, ID
  • Average rainfall days in June: 8.6 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).

Average snowfall in June - Boise, ID
  • Average snowfall in June: 0"

The month with the highest snowfall is December (6.65").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June - Boise, ID
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is December (9.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - Boise, ID
  • Average daylight in June: 15.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in June: 11.4h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.5h).

Average sunshine days in June - Boise, ID
  • Average sunshine days in June: 19.4 days

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).

Average UV index in June - Boise, ID
  • Average UV index in June: 6

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June - Boise, ID
  • Average cloud cover in June: 18

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in June - Boise, ID
  • Average visibility in June: 6mi

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).