July weather forecast
O'Brien, CA

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Weather in July

July in O'Brien, California, is a hot summer month, with an average temperature ranging between min 59.4°F (15.2°C) and max 91.6°F (33.1°C).

Temperature

In O'Brien, July is the warmest month, with temperatures averaging a high of 91.6°F (33.1°C) and a low of 59.4°F (15.2°C).

Humidity

In July, the average relative humidity is 38%.

Rainfall

The month with the least rainfall in O'Brien is July, when the rain falls for 2.5 days and typically collects 0.12" (3mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in July is 14h and 46min.
On the first day of July, sunrise is at 5:42 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:25 pm PDT.

Sunshine

July has the most sunshine of the year, with an average of 12.2h of sunshine.

UV index

July is the month with the highest UV index in O'Brien, California, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 7 in July translates into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What part of the year is the hottest in O'Brien?

July, known for its average high temperature of 91.6°F (33.1°C) and an average low temperature of 59.4°F (15.2°C), is the warmest month in O'Brien.

How hot does it get in O'Brien in July?

In O'Brien, 91.6°F (33.1°C) is the average high-temperature and 59.4°F (15.2°C) is the average low-temperature during July. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in June is computed to be 82.4°F (28°C).

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

The average relative humidity in July in O'Brien, California, is 38%.

What is the driest month in O'Brien?

July is the month with the least rainfall in O'Brien. Rain falls for 2.5 days and accumulates 0.12" (3mm) of precipitation.

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

In O'Brien, in July, it is raining for 2.5 days, with typically 0.12" (3mm) of accumulated precipitation.

When it does not snow in O'Brien?

April through October are months without snowfall in O'Brien.

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

In O'Brien, the average day length in July is 14h and 46min.

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

On the first day of July in O'Brien, sunrise is at 5:42 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:25 pm PDT.

What month has the most sunshine in O'Brien?

The month with the most sunshine in O'Brien, California, is July, with an average of 12.2h of sunshine.

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

The average sunshine duration in July in O'Brien, California, is 12.2h.

When is the highest UV index in O'Brien?

July is the month with the highest UV index in O'Brien, California, with an average maximum UV index of 7.

What is the UV index intensity in July in O'Brien?

In O'Brien, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health risk 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 July
O'Brien, CA

Average temperature in July - O
  • Average high temperature in July: 91.6°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 July: 59.4°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 July
O'Brien, CA

Average pressure in July - O
  • Average pressure in July: 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 July
O'Brien, CA

Average wind speed in July - O
  • Average wind speed in July: 4.8mph

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 July
O'Brien, CA

Average humidity in July - O
  • Average humidity in July: 38%

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 July
O'Brien, CA

Average rainfall in July - O
  • Average rainfall in July: 0.12"

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 July
O'Brien, CA

Average rainfall days in July - O
  • Average rainfall days in July: 2.5 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 July
O'Brien, CA

Average snowfall in July - O
  • Average snowfall in July: 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 July
O'Brien, CA

Average snowfall days in July - O
  • Average snowfall days in July: 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 July /
Average sunshine in July
O'Brien, CA

Average daylight in July / Average sunshine in July - O
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 12h and 1min

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 July
O'Brien, CA

Average sunshine days in July - O
  • Average sunshine days in July: 26.3 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 July
O'Brien, CA

Average UV index in July - O
  • Average UV index in July: 7

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 July
O'Brien, CA

Average cloud cover in July - O
  • Average cloud cover in July: 6

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 July
O'Brien, CA

Average visibility in July - O
  • Average visibility in July: 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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O'Brien, California, USA

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