June weather forecast
Mammoth Lakes, CA

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Perfect water reflections of trees, rocks, and distant mountains in the clear water of Mammoth Lakes, California
Perfect water reflections of trees, rocks, and distant mountains in the clear water of Mammoth Lakes, California

Weather in June

June signals the start of the summer season in Mammoth Lakes as temperatures rise and daylight hours stretch out. With average high temperatures breaking past the 60-degree mark to reach 65.3°F (18.5°C), it is evident that summer has arrived. This month breathes warmth into the city, bringing with it an array of vibrant summer hues. Tourism season begins to ramp up as the weather becomes more suitable for a plethora of outdoor activities. Longer days and warmer temperatures make June an ideal time to enjoy the lake and hiking trails.

Temperature

In Mammoth Lakes, the onset of June comes with an increased average high-temperature, moving from May's fresh 52.9°F (11.6°C) to a refreshing 65.3°F (18.5°C). Mammoth Lakes, amid June nights, sees a noteworthy disparity from daily highs with an average temperature of 41.9°F (5.5°C).

Humidity

In June, the average relative humidity is 42%.

Rainfall

In Mammoth Lakes, in June, during 3.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Mammoth Lakes, during the entire year, the rain falls for 47.7 days and collects up to 4.92" (125mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. June is the last month it regularly snows. During 0.8 snowfall days, in June, Mammoth Lakes aggregates 0.08" (2mm) of snow. In Mammoth Lakes, during the entire year, snow falls for 60.8 days and aggregates up to 28.58" (726mm) of snow.

Daylight

The month with the longest days is June, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:12 pm. On the last day of June, sunrise is at 5:37 am and sunset at 8:21 pm PDT.

Sunshine

The average sunshine in June is 11.9h.

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 unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 5 in June transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

What is the temperature in June?

In Mammoth Lakes, 65.3°F (18.5°C) is the average high-temperature and 41.9°F (5.5°C) is the average low-temperature during June.

What is the average humidity in June?

The average relative humidity in June is 42%.

How much does it rain in June?

In Mammoth Lakes, in June, during 3.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

What is the last month it snows?

June is the last month it regularly snows. During 0.8 snowfall days, in June, Mammoth Lakes aggregates 0.08" (2mm) of snow.

When are the longest days?

With an average of 14h and 42min of daylight, June has the longest days of the year.

How many hours of daylight does Mammoth Lakes have in June?

The average day length in June is 14h and 44min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:35 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:21 pm PDT.

How long on average sun shines in June?

The average sunshine duration in June is 11.9h.

When is the highest UV index?

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?

The average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Mammoth Lakes, CA

Average temperature in June - Mammoth Lakes, CA
  • Average high temperature in June: 65.3°F

The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is February (34°F).

  • Average low temperature in June: 41.9°F

The month with the highest average low temperature is July (48.2°F).
The coldest month (with the lowest average low temperature) is February (14.9°F).

Average pressure in June
Mammoth Lakes, CA

Average pressure in June - Mammoth Lakes, CA
  • Average pressure in June: 29.89"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in June
Mammoth Lakes, CA

Average wind speed in June - Mammoth Lakes, CA
  • Average wind speed in June: 6.1mph

The windiest month (with the highest average wind speed) is March (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in June
Mammoth Lakes, CA

Average humidity in June - Mammoth Lakes, CA
  • Average humidity in June: 42%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (34%).

Average rainfall in June
Mammoth Lakes, CA

Average rainfall in June - Mammoth Lakes, CA
  • Average rainfall in June: 0.2"

The wettest month (with the highest rainfall) is February (0.94").
The driest months (with the least rainfall) are August and October (0.08").

Average rainfall days in June
Mammoth Lakes, CA

Average rainfall days in June - Mammoth Lakes, CA
  • Average rainfall days in June: 3.8 days

The month with the highest number of rainy days is April (6.3 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in June
Mammoth Lakes, CA

Average snowfall in June - Mammoth Lakes, CA
  • Average snowfall in June: 0.08"

The month with the highest snowfall is February (5.67").
The months with the least snowfall are July and August (0").

Average snowfall days in June
Mammoth Lakes, CA

Average snowfall days in June - Mammoth Lakes, CA
  • Average snowfall days in June: 0.8 days

The month with the highest number of snowfall days is March (11.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in June /
Average sunshine in June
Mammoth Lakes, CA

Average daylight in June / Average sunshine in June - Mammoth Lakes, CA
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in June
Mammoth Lakes, CA

Average sunshine days in June - Mammoth Lakes, CA
  • Average sunshine days in June: 24.3 days

The month with the most sunshine days is October (27.3 days).
The month with the least sunshine days is March (18.2 days).

Average UV index in June
Mammoth Lakes, CA

Average UV index in June - Mammoth Lakes, CA
  • 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
Mammoth Lakes, CA

Average cloud cover in June - Mammoth Lakes, CA
  • Average cloud cover in June: 11

The month with the most cloud cover is March (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in June
Mammoth Lakes, CA

Average visibility in June - Mammoth Lakes, CA
  • Average visibility in June: 6mi

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

Mammoth Lakes, California, USA

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