July weather forecast
Discovery Bay, CA

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Weather in July

July is a tropical summer month in Discovery Bay, California, with an average temperature varying between 56.5°F (13.6°C) and 88.5°F (31.4°C).

Temperature

July is the month when Discovery Bay's temperatures reach their peak, with averages of 88.5°F (31.4°C) and lows of 56.5°F (13.6°C).

Heat index

July's average heat index is evaluated at a tropical 93.2°F (34°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. With 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 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In July, the average relative humidity is 53%.

Rainfall

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

Snowfall

In Discovery Bay, snow does not fall in January through November.

Daylight

In July, the average length of the day 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, sunrise is at 6:09 am and sunset at 8:15 pm PDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What is the warmest month?

Discovery Bay's July weather, marked by an average high temperature of 88.5°F (31.4°C) and an average low temperature of 56.5°F (13.6°C), is the warmest in the year.

How hot is it 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). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What is the average humidity in July?

The average relative humidity in July is 53%.

What is the driest month?

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in July?

In Discovery Bay, during July, the rain falls for 1.3 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When it does not snow?

In Discovery Bay, snow does not fall in January through November.

What is the average length of the day in July?

In July, the average day length is 14h and 29min.

When are sunrise and sunset in July?

In July, on the first day of the month, 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?

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

How long on average sun shines in July?

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

When is the highest UV index in Discovery Bay?

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

What is the UV index reading in July in Discovery Bay?

The average daily maximum UV index in July 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 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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

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).

Discovery Bay, California, USA

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