June weather forecast
Challis, ID

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Weather in June

June represents the onset of the peak summer period in Challis, with temperatures reaching their zenith and rainfall occurrence becoming scant. The soaring temperatures, which can go up to an average high of 65.8°F (18.8°C), coupled with open skies, create the perfect summer setting. June also exhibits maximum daylight hours, making it the longest day of the year in the city. Breezes blow at ease, not strong enough to disrupt outdoor fun. The mild weather conditions make June an ideal month for undertaking outdoor adventures and water sports.

Temperature

The start of June in Challis brings a rise in the average high-temperature, moving from a fresh 54.5°F (12.5°C) in May to a refreshing 65.8°F (18.8°C). The average low-temperature reading in June for Challis reflects a significant fall from the daytime highs, stabilizing at a wintry 40.3°F (4.6°C).

Humidity

The average relative humidity in June is 52%.

Rainfall

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

Snowfall

Months with snowfall in Challis are January through June, September through December. June is the last month it regularly snows. During 0.2 snowfall days, in June, Challis aggregates 0.75" (19mm) of snow. In Challis, during the entire year, snow falls for 51.7 days and aggregates up to 18.62" (473mm) of snow.

Daylight

June has the longest days of the year in Challis, with an average of 15h and 30min of daylight.
On the first day of June in Challis, sunrise is at 5:54 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 9:25 pm MDT.

Sunshine

In Challis, the average sunshine in June is 11.6h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in Challis. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 5 in June translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Challis in June?

The average high-temperature, in June, in Challis, is 65.8°F (18.8°C), while the average low-temperature is 40.3°F (4.6°C).

What is the average humidity in June in Challis?

The average relative humidity in June in Challis is 52%.

What is the rainiest month in Challis?

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 Challis?

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

What is the last month it snows in Challis?

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

When are the longest days in Challis?

With an average of 15h and 30min of daylight, June has the longest days of the year.

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

The average day length in June is 15h and 29min.

When are sunrise and sunset in June in Challis?

On the first day of June, sunrise is at 5:54 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 9:25 pm MDT.

How long on average sun shines in June in Challis?

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

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

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

How high is the UV index in June in Challis?

In Challis, Idaho, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Challis, ID

Average temperature in June - Challis, 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).

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Average pressure in June
Challis, ID

Average pressure in June - Challis, 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).

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Average wind speed in June
Challis, ID

Average wind speed in June - Challis, 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).

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Average humidity in June
Challis, ID

Average humidity in June - Challis, 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%).

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Average rainfall in June
Challis, ID

Average rainfall in June - Challis, 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").

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Average rainfall days in June
Challis, ID

Average rainfall days in June - Challis, 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).

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Average snowfall in June
Challis, ID

Average snowfall in June - Challis, 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").

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Average snowfall days in June
Challis, ID

Average snowfall days in June - Challis, 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).

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

Average daylight in June / Average sunshine in June - Challis, 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).

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Average sunshine days in June
Challis, ID

Average sunshine days in June - Challis, 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).

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Average UV index in June
Challis, ID

Average UV index in June - Challis, 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).

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Average cloud cover in June
Challis, ID

Average cloud cover in June - Challis, 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).

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Average visibility in June
Challis, ID

Average visibility in June - Challis, 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).

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Challis, Idaho, USA

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