June weather forecast and climate
O'Brien, CA

Weather in June

June, the first month of the summer, in O'Brien, is a moderately hot month, with average temperature ranging between max 82.4°F (28°C) and min 53.8°F (12.1°C).

Temperature

In June, the average high-temperature rises, from a pleasant 71.2°F (21.8°C) in May, to a moderately hot 82.4°F (28°C). In O'Brien, California, in June, the average low-temperature is 53.8°F (12.1°C).

Heat index

The average heat index is calculated to 82.9°F (28.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like wind, pregnancy, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In June, the average relative humidity is 48%.

Rainfall

In O'Brien, during June, the rain falls for 4.7 days and regularly aggregates up to 0.39" (10mm) of precipitation. In O'Brien, during the entire year, the rain falls for 102.3 days and collects up to 24.21" (615mm) of precipitation.

Snowfall

In O'Brien snow does not fall in April through October.

Daylight

June has the longest days of the year in O'Brien, California, with an average of 15.1h of daylight.

Sunshine

In O'Brien, the average sunshine is 11.9h.

UV index

In June, the average daily maximum UV index in O'Brien is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in O'Brien?

In O'Brien, in June, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 53.8°F (12.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines air temperature and relative humidity, in June is calculated to 82.9°F (28.3°C).

What is the average humidity in June in O'Brien?

In O'Brien, the average relative humidity in June is 48%.

How many days does it rain in June in O'Brien?

In O'Brien, in June, during 4.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in O'Brien?

In O'Brien snow does not fall in April through October.

When are the longest days in O'Brien?

The month with the longest days in O'Brien is June, with an average of 15.1h of daylight.

How many hours of daylight does O'Brien have in June?

The average length of the day in June in O'Brien is 15.1h.

How long on average sun shines in June in O'Brien?

In O'Brien, the average sunshine in June is 11.9h.

How high is the UV index in June in O'Brien?

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

Average temperature in June
O'Brien, CA

Average temperature in June - O
  • Average high temperature in June: 82.4°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (47.8°F).

  • Average low temperature in June: 53.8°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).

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Average pressure in June
O'Brien, CA

Average pressure in June - O
  • Average pressure in June: 29.93"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is August (29.92").

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Average wind speed in June
O'Brien, CA

Average wind speed in June - O
  • Average wind speed in June: 5.2mph

The windiest months (with the highest average wind speed) are March and October (5.3mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).

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Average humidity in June
O'Brien, CA

Average humidity in June - O
  • Average humidity in June: 48%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in June
O'Brien, CA

Average rainfall in June - O
  • Average rainfall in June: 0.39"

The wettest month (with the highest rainfall) is March (4.8").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in June
O'Brien, CA

Average rainfall days in June - O
  • Average rainfall days in June: 4.7 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.7 days).

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Average snowfall in June
O'Brien, CA

Average snowfall in June - O
  • Average snowfall in June: 0"

The month with the highest snowfall is November (1.3").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
O'Brien, CA

Average snowfall days in June - O
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (1.9 days).
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
O'Brien, CA

Average daylight in June / Average sunshine in June - O
  • Average daylight in June: 15.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in June: 11.9h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in June
O'Brien, CA

Average sunshine days in June - O
  • Average sunshine days in June: 23.4 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is March (11.8 days).

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Average UV index in June
O'Brien, CA

Average UV index in June - O
  • Average UV index in June: 6

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

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Average cloud cover in June
O'Brien, CA

Average cloud cover in June - O
  • Average cloud cover in June: 12

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in June
O'Brien, CA

Average visibility in June - O
  • Average visibility in June: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).

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