Boise
Idaho, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Boise, ID

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

Temperature

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

Humidity

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

Rainfall

In Boise, it is raining for 8.6 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 116.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

The average sunshine in June is 11.4h.

UV index

In Boise, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in June transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in June in Boise?

In June, in Boise, Idaho, 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?

The average relative humidity in June is 45%.

How much does it rain in Boise in June?

In Boise, in June, it is raining for 8.6 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in Boise?

In Boise snow does not fall in May through October.

When are the longest days in Boise?

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

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

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

How long on average sun shines in June in Boise?

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

How high is the UV index in June in Boise?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Boise, ID
  • Average high temperature in June: 24.3°C

The warmest month (with the highest average high temperature) is July (31°C).
The month with the lowest average high temperature is December (1.5°C).

  • Average low temperature in June: 11.5°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is December (-4.9°C).

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: 26mm

The wettest month (with the highest rainfall) is March (56mm).
The driest month (with the lowest rainfall) is July (5mm).

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 lowest number of rainy days is July (4.5 days).

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

The month with the highest snowfall is December (169mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

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 lowest number of 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 shortest days is December (Average daylight: 9h).

  • Average sunshine in June: 11.4h

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

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).