June weather forecast
May, ID

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Weather in June

The first month of the summer, June, is a comfortable month in May, Idaho, with an average temperature ranging between max 65.8°F (18.8°C) and min 40.3°F (4.6°C).

Temperature

The start of June is characterized by an increase in the average high-temperature, transitioning from a cool 54.5°F (12.5°C) to a refreshing 65.8°F (18.8°C). Despite the drastic temperature difference, May records an average nighttime low of 40.3°F (4.6°C) throughout June.

Humidity

In May, the average relative humidity in June is 52%.

Rainfall

The month with the most rainfall is June, when the rain falls for 10.2 days and typically aggregates up to 1.1" (28mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. June is the last month it regularly snows. During 0.2 snowfall days, in June, May aggregates 0.75" (19mm) of snow. Throughout the year, there are 51.7 snowfall days, and 18.62" (473mm) of snow is accumulated.

Daylight

June has the longest days of the year, with an average of 15h and 30min of daylight.
On the first day of June in May, sunrise is at 5:53 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:24 pm MDT.

Sunshine

The average sunshine in June is 11.6h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 in June translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

In June, the average high-temperature and low-temperature are 65.8°F (18.8°C) and 40.3°F (4.6°C) respectively.

What is the average humidity in June?

In June, the average relative humidity is 52%.

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 10.2 days and accumulates 1.1" (28mm) of precipitation.

How many days does it rain in June in May?

In May, in June, it is raining for 10.2 days, with typically 1.1" (28mm) of accumulated precipitation.

What is the last month it snows?

June is the last month it regularly snows. During 0.2 snowfall days, in June, May aggregates 0.75" (19mm) of snow.

When are the longest days?

The month with the longest days is June, with an average of 15h and 30min of daylight.

What is the average length of the day in June?

In May, the average day length in June is 15h and 31min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:53 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:24 pm MDT.

How long on average sun shines in June?

In May, the average sunshine duration in June is 11.6h.

When is the highest UV index?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in June?

In June, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
May, ID

Average temperature in June - May, ID
  • Average high temperature in June: 65.8°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (26.1°F).

  • Average low temperature in June: 40.3°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

Average pressure in June
May, ID

Average pressure in June - May, ID
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in June
May, ID

Average wind speed in June - May, ID
  • Average wind speed in June: 5.7mph

The windiest months (with the highest average wind speed) are June and July (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

Average humidity in June
May, ID

Average humidity in June - May, ID
  • Average humidity in June: 52%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (38%).

Average rainfall in June
May, ID

Average rainfall in June - May, ID
  • Average rainfall in June: 1.1"

The wettest month (with the highest rainfall) is June (1.1").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in June
May, ID

Average rainfall days in June - May, ID
  • Average rainfall days in June: 10.2 days

The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in June
May, ID

Average snowfall in June - May, ID
  • Average snowfall in June: 0.75"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are July and August (0").

Average snowfall days in June
May, ID

Average snowfall days in June - May, ID
  • Average snowfall days in June: 0.2 days

The month with the highest number of snowfall days is December (10.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in June /
Average sunshine in June
May, ID

Average daylight in June / Average sunshine in June - May, ID
  • Average daylight in June: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in June: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in June
May, ID

Average sunshine days in June - May, ID
  • Average sunshine days in June: 17.5 days

The month with the most sunshine days is July (24.1 days).
The months with the least sunshine days are March and April (17.2 days).

Average UV index in June
May, ID

Average UV index in June - May, ID
  • Average UV index in June: 5

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in June
May, ID

Average cloud cover in June - May, ID
  • Average cloud cover in June: 21

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 11).

Average visibility in June
May, ID

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

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

May, Idaho, USA

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