June weather forecast
Clearlake, CA

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A long footbridge over the marina in Clearlake, California
A long footbridge over the marina in Clearlake, California

Weather in June

The first month of the summer, June, is also a moderately hot month in Clearlake, California, with an average temperature fluctuating between 83.8°F (28.8°C) and 55.4°F (13°C).

Temperature

June witnesses an increase in the average high-temperature, moving from 73.9°F (23.3°C) in May to a still warm 83.8°F (28.8°C). Clearlake documents a striking divergence from daytime highs, with an average nighttime temperature of 55.4°F (13°C) in June.

Heat index

June's mean heat index is calculated to be 84.2°F (29°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In Clearlake, the average relative humidity in June is 49%.

Rainfall

In Clearlake, in June, during 2.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 79.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

In Clearlake, snow does not fall in April through October.

Daylight

June has the longest days of the year in Clearlake, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:30 pm. On the last day of June, in Clearlake, California, sunrise is at 5:48 am and sunset at 8:40 pm PDT.

Sunshine

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

UV index

In June, the average daily maximum UV index in Clearlake is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during June translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

Is it hot in Clearlake during June?

In June, the average high-temperature and low-temperature in Clearlake are 83.8°F (28.8°C) and 55.4°F (13°C) respectively. In June, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 84.2°F (29°C).

What is the average humidity in June in Clearlake?

The average relative humidity in June in Clearlake, California, is 49%.

How much does it rain in Clearlake in June?

In Clearlake, in June, during 2.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

When it does not snow in Clearlake?

April through October are months without snowfall in Clearlake.

When are the longest days in Clearlake?

With an average of 14h and 54min of daylight, June has the longest days of the year in Clearlake.

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

In Clearlake, California, the average day length in June is 14h and 52min.

What time are sunrise and sunset in June in Clearlake?

On the first day of June in Clearlake, California, sunrise is at 5:46 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:40 pm PDT.

How many hours of sunshine does Clearlake have in June?

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

How high is the UV index in June in Clearlake?

In June, the average daily maximum UV index in Clearlake, California, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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
Clearlake, CA

Average temperature in June - Clearlake, CA
  • Average high temperature in June: 83.8°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in June: 55.4°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

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Average pressure in June
Clearlake, CA

Average pressure in June - Clearlake, CA
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in June
Clearlake, CA

Average wind speed in June - Clearlake, CA
  • Average wind speed in June: 5.5mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

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Average humidity in June
Clearlake, CA

Average humidity in June - Clearlake, CA
  • Average humidity in June: 49%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).

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Average rainfall in June
Clearlake, CA

Average rainfall in June - Clearlake, CA
  • Average rainfall in June: 0.2"

The wettest month (with the highest rainfall) is February (3.7").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in June
Clearlake, CA

Average rainfall days in June - Clearlake, CA
  • Average rainfall days in June: 2.6 days

The month with the highest number of rainy days is March (13.9 days).
The months with the least rainy days are July and August (1.1 days).

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Average snowfall in June
Clearlake, CA

Average snowfall in June - Clearlake, CA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Clearlake, CA

Average snowfall days in June - Clearlake, CA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Clearlake, CA

Average daylight in June / Average sunshine in June - Clearlake, CA
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 11h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in June
Clearlake, CA

Average sunshine days in June - Clearlake, CA
  • Average sunshine days in June: 26.6 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).

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Average UV index in June
Clearlake, CA

Average UV index in June - Clearlake, CA
  • Average UV index in June: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

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Average cloud cover in June
Clearlake, CA

Average cloud cover in June - Clearlake, CA
  • Average cloud cover in June: 13

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in June
Clearlake, CA

Average visibility in June - Clearlake, 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).

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Clearlake, California, USA

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