June weather forecast
Atascadero, CA

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The Sunken Gardens Park overlooking the Atascadero City Hall in California
The Sunken Gardens Park overlooking the Atascadero City Hall in California

Weather in June

The first month of the summer, June, is still a warm month in Atascadero, California, with an average temperature ranging between min 55.2°F (12.9°C) and max 80.8°F (27.1°C).

Temperature

June comes with a subtle rise, with the average high-temperature adjusting from a moderately hot 73.9°F (23.3°C) in May to a still warm 80.8°F (27.1°C). Atascadero encounters a significant temperature differential, with an average low-temperature of 55.2°F (12.9°C) during June nights.

Heat index

For most parts of June, the heat index is calculated to be 82.4°F (28°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in June is 53%.

Rainfall

June and August are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

June has the longest days of the year in Atascadero, California, with an average of 14h and 30min of daylight.
On the first day of June, sunrise is at 5:48 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:22 pm PDT.

Sunshine

The months with the most sunshine are June and July, with an average of 12h of sunshine.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 6 in June translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the temperature in June in Atascadero?

During June, Atascadero experiences an average high-temperature of 80.8°F (27.1°C) and a low-temperature of 55.2°F (12.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in June is calculated to be 82.4°F (28°C).

What is the average humidity in June in Atascadero?

In Atascadero, California, the average relative humidity in June is 53%.

What is the driest month in Atascadero?

The months with the least rainfall in Atascadero, California, are June and August Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Atascadero in June?

In June, in Atascadero, the rain falls for 0.8 days. Throughout June, 0.04" (1mm) of precipitation is accumulated.

When are the longest days in Atascadero?

June has the longest days of the year in Atascadero, with an average of 14h and 30min of daylight.

How many hours of daylight does Atascadero have in June?

The average day length in June in Atascadero is 14h and 31min.

When is the sunrise / sunset in June in Atascadero?

On the first day of June, sunrise is at 5:48 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:22 pm PDT.

What is the month with the most sunshine in Atascadero?

The months with the most sunshine in Atascadero are June and July, with an average of 12h of sunshine.

How many hours of sunshine does Atascadero have in June?

The average sunshine duration in June in Atascadero is 12h.

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

The months with the highest UV index in Atascadero are June through September, with an average maximum UV index of 6.

What is the UV index intensity in June in Atascadero?

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

Average temperature in June
Atascadero, CA

Average temperature in June - Atascadero, CA
  • Average high temperature in June: 80.8°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (58.5°F).

  • Average low temperature in June: 55.2°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).

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Average pressure in June
Atascadero, CA

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

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Average wind speed in June
Atascadero, CA

Average wind speed in June - Atascadero, CA
  • Average wind speed in June: 5.4mph

The windiest months (with the highest average wind speed) are March and April (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).

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Average humidity in June
Atascadero, CA

Average humidity in June - Atascadero, CA
  • Average humidity in June: 53%

The months with the highest relative humidity are February and March (68%).
The month with the lowest relative humidity is September (50%).

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Average rainfall in June
Atascadero, CA

Average rainfall in June - Atascadero, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is March (1.73").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in June
Atascadero, CA

Average rainfall days in June - Atascadero, CA
  • Average rainfall days in June: 0.8 days

The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is June (0.8 days).

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

Average daylight in June / Average sunshine in June - Atascadero, CA
  • Average daylight in June: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in June: 12h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 18min).

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Average sunshine days in June
Atascadero, CA

Average sunshine days in June - Atascadero, CA
  • Average sunshine days in June: 28.9 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (19.7 days).

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Average UV index in June
Atascadero, CA

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

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in June
Atascadero, CA

Average cloud cover in June - Atascadero, CA
  • Average cloud cover in June: 8

The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in June
Atascadero, CA

Average visibility in June - Atascadero, 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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Atascadero, California, USA

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