June weather forecast
O'Brien, CA

Weather in June

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

Temperature

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

Heat index

The average heat index in June is estimated at 82.4°F (28°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, differences in body mass, height, and shape, clothing). Be aware that direct exposure to sunlight increases heat impact and may raise the 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 June, in O'Brien, the rain falls for 4.7 days. Throughout June, 0.39" (10mm) of precipitation is accumulated. In O'Brien, during the entire year, the rain falls for 102.3 days and collects up to 24.21" (615mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

June has the longest days of the year in O'Brien, with an average of 15h and 4min of daylight.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:34 pm. On the last day of June, in O'Brien, sunrise is at 5:41 am and sunset at 8:44 pm PDT.

Sunshine

In June, the average sunshine is 11.9h.

UV index

In June, the average daily maximum UV index in O'Brien is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in June interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in June in O'Brien?

The average high-temperature, in June, in O'Brien, California, is 82.4°F (28°C), while the average low-temperature is 53.8°F (12.1°C). in June, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 82.4°F (28°C).

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

In June, the average relative humidity is 48%.

How much does it rain in O'Brien in June?

In O'Brien, California, in June, it is raining for 4.7 days, with typically 0.39" (10mm) of accumulated precipitation.

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 is June, with an average of 15h and 4min of daylight.

What is the average length of the day in June in O'Brien?

In June, the average day length is 15h and 4min.

When is the sunrise / sunset in June in O'Brien?

On the first day of June in O'Brien, California, sunrise is at 5:39 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:44 pm PDT.

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

In June, the average sunshine duration is 11.9h.

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

In O'Brien, the average daily maximum UV index in June 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 snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
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
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).
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
O'Brien, CA

Average daylight in June / Average sunshine in June - O
  • Average daylight in June: 15h and 4min

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 11h and 54min

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

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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).
The 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

The 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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