July weather forecast
Discovery Bay, CA

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Weather in July

July is a hot summer month in Discovery Bay, California, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 88.5°F (31.4°C).

Temperature

Discovery Bay notes the warmest temperatures in July, with a high average of 88.5°F (31.4°C) and a low of 56.5°F (13.6°C).

Heat index

For July, the heat index is computed to be a tropical 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Heat index determinations are made taking into account the shade and light air movements. 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 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In July, the average relative humidity is 53%.

Rainfall

The months with the least rainfall in Discovery Bay are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

Snowfall

January through November are months without snowfall in Discovery Bay.

Daylight

The average length of the day in July in Discovery Bay is 14h and 29min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:32 pm. On the last day of July, in Discovery Bay, sunrise is at 6:09 am and sunset at 8:15 pm PDT.

Sunshine

With an average of 12.1h of sunshine, July has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 in July translates into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are the warmest months in Discovery Bay?

Discovery Bay's warmest weather arrives in July, when temperatures average a high of 88.5°F (31.4°C) and a low of 56.5°F (13.6°C).

How hot is it in Discovery Bay in July?

The high-temperature, in July, in Discovery Bay, is 88.5°F (31.4°C), while the low-temperature averages to 56.5°F (13.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is computed to be 93.2°F (34°C).

What is the average humidity in July in Discovery Bay?

In July, the average relative humidity in Discovery Bay is 53%.

What is the driest month in Discovery Bay?

The months with the least rainfall in Discovery Bay, California, are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Discovery Bay in July?

In July, in Discovery Bay, the rain falls for 1.3 days. Throughout July, 0.04" (1mm) of precipitation is accumulated.

When it does not snow in Discovery Bay?

January through November are months without snowfall.

How many hours of daylight does Discovery Bay have in July?

The average day length in July in Discovery Bay, California, is 14h and 29min.

When are sunrise and sunset in July in Discovery Bay?

On the first day of July in Discovery Bay, sunrise is at 5:48 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:15 pm PDT.

What month has the most sunshine in Discovery Bay?

July has the most sunshine of the year in Discovery Bay, California, with an average of 12.1h of sunshine.

How many hours of sunshine does Discovery Bay have in July?

The average sunshine duration in July in Discovery Bay, California, is 12.1h.

What is the month with the highest UV index in Discovery Bay?

The months with the highest UV index in Discovery Bay are June through August, with an average maximum UV index of 6.

How high is the UV index in July in Discovery Bay?

In July, the average daily maximum UV index in Discovery Bay, California, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Discovery Bay, CA

Average temperature in July - Discovery Bay, CA
  • Average high temperature in July: 88.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in July: 56.5°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in July
Discovery Bay, CA

Average pressure in July - Discovery Bay, CA
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in July
Discovery Bay, CA

Average wind speed in July - Discovery Bay, CA
  • Average wind speed in July: 7.5mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in July
Discovery Bay, CA

Average humidity in July - Discovery Bay, CA
  • Average humidity in July: 53%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in July
Discovery Bay, CA

Average rainfall in July - Discovery Bay, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in July
Discovery Bay, CA

Average rainfall days in July - Discovery Bay, CA
  • Average rainfall days in July: 1.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall days in July
Discovery Bay, CA

Average snowfall days in July - Discovery Bay, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in July /
Average sunshine in July
Discovery Bay, CA

Average daylight in July / Average sunshine in July - Discovery Bay, CA
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in July
Discovery Bay, CA

Average sunshine days in July - Discovery Bay, CA
  • Average sunshine days in July: 29.7 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in July
Discovery Bay, CA

Average UV index in July - Discovery Bay, CA
  • Average UV index in July: 6

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

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Average cloud cover in July
Discovery Bay, CA

Average cloud cover in July - Discovery Bay, CA
  • Average cloud cover in July: 5

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in July
Discovery Bay, CA

Average visibility in July - Discovery Bay, CA
  • Average visibility in July: 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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Discovery Bay, California, USA

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