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 still a warm month in Clearlake, California, with an average temperature varying between 83.8°F (28.8°C) and 55.4°F (13°C).

Temperature

The start of June brings a shift in the average high-temperature, increasing from May's 73.9°F (23.3°C) to a still moderately hot 83.8°F (28.8°C). Clearlake, in June, displays a significant temperature downturn during the night, with an average reading of 55.4°F (13°C).

Heat index

The heat index value during June is estimated at 84.2°F (29°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

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

Rainfall

In Clearlake, during June, the rain falls for 2.6 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Clearlake, during the entire year, the rain falls for 79.8 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

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

Daylight

The month with the longest days in Clearlake is June, with an average of 14h and 54min of daylight.
On the first day of June, 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.

Sunshine

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

UV index

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In June, the maximum UV index of 6 suggests this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

Is it hot during June?

In June, in Clearlake, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 55.4°F (13°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in June is estimated at 84.2°F (29°C).

What is the average humidity in June?

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

How much does it rain in June?

In Clearlake, in June, it is raining for 2.6 days, with typically 0.2" (5mm) of accumulated precipitation.

When it does not snow in Clearlake?

April through October are months without snowfall.

When are the longest days?

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

How many hours of daylight does Clearlake have in June?

The average day length in June is 14h and 52min.

When are sunrise and sunset in June?

On the first day of June, 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 long on average sun shines in June?

The average sunshine duration in June is 11.6h.

What is the UV index intensity in June?

The average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health threat from 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Clearlake, California, USA

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