July weather forecast and climate
Janesville, CA

Weather in July

July, the same as June, is another warm summer month in Janesville, California, with average temperature varying between 52.7°F (11.5°C) and 84.6°F (29.2°C).

Temperature

July is the warmest month, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 52.7°F (11.5°C).

Humidity

July and August, with an average relative humidity of 35%, are the least humid months in Janesville.

Rainfall

July is the month with the least rainfall in Janesville. Rain falls for 2.8 days and accumulates 0.12" (3mm) of precipitation.

Snowfall

July and August are months without snowfall in Janesville.

Daylight

The average length of the day in July is 14.7h.

Sunshine

The month with the most sunshine in Janesville is July, with an average of 12.1h of sunshine.

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 warmest month in Janesville?

July is the warmest month in Janesville, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 52.7°F (11.5°C).

What is the temperature in July in Janesville?

In Janesville, California, in July, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 52.7°F (11.5°C).

What are the least humid months in Janesville?

Months with the lowest humidity in Janesville, California, are July and August, with an average relative humidity of 35%.

What is the average humidity in July in Janesville?

In July, the average relative humidity in Janesville is 35%.

How many days does it rain in July in Janesville?

In July, the rain falls for 2.8 days. Throughout July, 0.12" (3mm) of precipitation is accumulated.

What is the driest month in Janesville?

The month with the least rainfall is July when the rain falls for 2.8 days and typically collects 0.12" (3mm) of precipitation.

Does it snow in Janesville in July?

In July, it doesn't snow. June is the latest month when it typically snows.

When it does not snow in Janesville?

In Janesville, California, snow does not fall in July and August.

How many hours of daylight does Janesville have in July?

The average length of the day in July in Janesville is 14.7h.

What month has the most sunshine in Janesville?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

How long on average sun shines in July in Janesville?

In July, the average sunshine in Janesville, California, is 12.1h.

When is the highest UV index in Janesville?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in July in Janesville?

In Janesville, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

Average temperature in July
Janesville, CA

Average temperature in July - Janesville, CA
  • Average high temperature in July: 84.6°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (36.9°F).

  • Average low temperature in July: 52.7°F

The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).

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Average pressure in July
Janesville, CA

Average pressure in July - Janesville, CA
  • Average pressure in July: 29.92"

The month with the highest atmospheric pressure is January (30.2").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in July
Janesville, CA

Average wind speed in July - Janesville, CA
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in July
Janesville, CA

Average humidity in July - Janesville, CA
  • Average humidity in July: 35%

The month with the highest relative humidity is January (81%).
Months with the lowest relative humidity are July and August (35%).

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Average rainfall in July
Janesville, CA

Average rainfall in July - Janesville, CA
  • Average rainfall in July: 0.12"

The wettest month (with the highest rainfall) is December (2.28").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in July
Janesville, CA

Average rainfall days in July - Janesville, CA
  • Average rainfall days in July: 2.8 days

The month with the highest number of rainy days is March (13.4 days).
Months with the least rainy days are July and August (2.8 days).

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Average snowfall in July
Janesville, CA

Average snowfall in July - Janesville, CA
  • Average snowfall in July: 0"

The month with the highest snowfall is December (10.16").
Months with the least snowfall are July and August (0").

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Average snowfall days in July
Janesville, CA

Average snowfall days in July - Janesville, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (11.4 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in July / Average sunshine in July - Janesville, CA
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in July: 12.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January and December (Average sunshine: 5.8).

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Average sunshine days in July
Janesville, CA

Average sunshine days in July - Janesville, CA
  • Average sunshine days in July: 25.8 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (12 days).

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Average UV index in July
Janesville, CA

Average UV index in July - Janesville, CA
  • Average UV index in July: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are February and November (UV index 1).

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Average cloud cover in July
Janesville, CA

Average cloud cover in July - Janesville, CA
  • Average cloud cover in July: 7

The month with the most cloud cover is December (Cloud cover 38).
Months with the least cloud cover are July and August (Cloud cover 7).

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Average visibility in July
Janesville, CA

Average visibility in July - Janesville, CA
  • Average visibility in July: 6mi

Months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January and December (5mi).

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