July weather forecast
Blackhawk, CA

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Weather in July

July, the same as June, is another warm summer month in Blackhawk, California, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 83.7°F (28.7°C).

Temperature

The month of July, characterized by an average high of 83.7°F (28.7°C) and a low of 55°F (12.8°C), is recognized as the warmest.

Heat index

For most parts of July, the heat index is estimated at a tropical 86°F (30°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion 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 highly critical to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In Blackhawk, the average relative humidity in July is 58%.

Rainfall

The only month without rainfall is July.

Daylight

In July, the average length of the day is 14h and 29min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:10 am and sunset at 8:17 pm PDT.

Sunshine

The month with the most sunshine is July, 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In July, the maximum UV index of 6 suggests this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

The month of July sees the average highest temperatures, reaching 83.7°F (28.7°C) at the peak and 55°F (12.8°C) at the low.

How hot is it in July?

In Blackhawk, 83.7°F (28.7°C) is the average high-temperature and 55°F (12.8°C) is the average low-temperature during July. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in July?

In July, the average relative humidity in Blackhawk is 58%.

What is the driest month?

The only month without rainfall is July.

Does it rain in July?

In July, it doesn't rain. June is the latest month when it rains.

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 Blackhawk?

On the first day of July, sunrise is at 5:49 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:17 pm PDT.

What month has the most sunshine?

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

How long on average sun shines in July?

In Blackhawk, the average sunshine duration in July is 12.1h.

What are the months with the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Blackhawk, CA

Average temperature in July - Blackhawk, CA
  • Average high temperature in July: 83.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in July: 55°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

Average pressure in July
Blackhawk, CA

Average pressure in July - Blackhawk, CA
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in July
Blackhawk, CA

Average wind speed in July - Blackhawk, CA
  • Average wind speed in July: 6.1mph

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

Average humidity in July
Blackhawk, CA

Average humidity in July - Blackhawk, CA
  • Average humidity in July: 58%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).

Average rainfall in July
Blackhawk, CA

Average rainfall in July - Blackhawk, CA
  • Average rainfall in July: 0"

The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0").

Average rainfall days in July
Blackhawk, CA

Average rainfall days in July - Blackhawk, CA
  • Average rainfall days in July: 0.9 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.6 days).

Average daylight in July /
Average sunshine in July
Blackhawk, CA

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

The month with the longest days is June (Average daylight: 14h and 42min).
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
Blackhawk, CA

Average sunshine days in July - Blackhawk, CA
  • Average sunshine days in July: 29.9 days

The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (17.5 days).

Average UV index in July
Blackhawk, CA

Average UV index in July - Blackhawk, 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
Blackhawk, CA

Average cloud cover in July - Blackhawk, CA
  • Average cloud cover in July: 6

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in July
Blackhawk, CA

Average visibility in July - Blackhawk, 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).

Blackhawk, California, USA

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