June weather forecast
Mount Shasta, CA

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The Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak
The Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak

Weather in June

June, the first month of the summer in Mount Shasta, is a warm month, with an average temperature ranging between min 45.9°F (7.7°C) and max 73.9°F (23.3°C).

Temperature

Mount Shasta's June weather brings a rise in high-temperatures, moving from a comfortable 63.3°F (17.4°C) in May to a warm 73.9°F (23.3°C). Mount Shasta documents a substantial deviation from daytime highs with a consistent low-temperature of 45.9°F (7.7°C) during June nights.

Humidity

In Mount Shasta, the average relative humidity in June is 57%.

Rainfall

In Mount Shasta, in June, during 6.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Mount Shasta, during the entire year, the rain falls for 90.7 days and collects up to 26.38" (670mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 6min of daylight.
On the first day of June, sunrise is at 5:37 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:46 pm PDT.

Sunshine

In Mount Shasta, the average sunshine in June is 11.8h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During June, 6 as the daily maximum UV index converts into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June?

An average high-temperature, in June, in Mount Shasta, is 73.9°F (23.3°C) and the average low-temperature is 45.9°F (7.7°C).

What is the average humidity in June?

The average relative humidity in June is 57%.

How many days does it rain in June in Mount Shasta?

In June, the rain falls for 6.3 days. Throughout June, 0.51" (13mm) of precipitation is accumulated.

When it does not snow?

June through August are months without snowfall.

Does it snow in June?

In June, in Mount Shasta, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

The month with the longest days is June, with an average of 15h and 6min of daylight.

How many hours of daylight does Mount Shasta have in June?

In June, the average day length is 15h and 7min.

When are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:37 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:46 pm PDT.

How long on average sun shines in June?

The average sunshine duration in June is 11.8h.

When is the highest UV index?

The months with the highest UV index in Mount Shasta are June and July, with an average maximum UV index of 6.

How high is the UV index in June?

In Mount Shasta, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Mount Shasta, CA

Average temperature in June - Mount Shasta, CA
  • Average high temperature in June: 73.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in June: 45.9°F

The month with the highest average low temperature is July (52.2°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

Average pressure in June
Mount Shasta, CA

Average pressure in June - Mount Shasta, CA
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).

Average wind speed in June
Mount Shasta, CA

Average wind speed in June - Mount Shasta, CA
  • Average wind speed in June: 5mph

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in June
Mount Shasta, CA

Average humidity in June - Mount Shasta, CA
  • Average humidity in June: 57%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).

Average rainfall in June
Mount Shasta, CA

Average rainfall in June - Mount Shasta, CA
  • Average rainfall in June: 0.51"

The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in June
Mount Shasta, CA

Average rainfall days in June - Mount Shasta, CA
  • Average rainfall days in June: 6.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in June
Mount Shasta, CA

Average snowfall in June - Mount Shasta, CA
  • Average snowfall in June: 0"

The month with the highest snowfall is January (19.21").
The months with the least snowfall are June, July and August (0").

Average snowfall days in June
Mount Shasta, CA

Average snowfall days in June - Mount Shasta, CA
  • Average snowfall days in June: 0.1 days

The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in June /
Average sunshine in June
Mount Shasta, CA

Average daylight in June / Average sunshine in June - Mount Shasta, CA
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in June
Mount Shasta, CA

Average sunshine days in June - Mount Shasta, CA
  • Average sunshine days in June: 22.4 days

The months with the most sunshine days are July and August (25.7 days).
The month with the least sunshine days is March (12.3 days).

Average UV index in June
Mount Shasta, CA

Average UV index in June - Mount Shasta, CA
  • Average UV index in June: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in June
Mount Shasta, CA

Average cloud cover in June - Mount Shasta, CA
  • Average cloud cover in June: 16

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in June
Mount Shasta, CA

Average visibility in June - Mount Shasta, CA
  • 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, February, March and December (5mi).

Mount Shasta, California, USA

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