July weather forecastSebastopol, CA

July

Weather in July

July, the same as June, is a moderately hot summer month in Sebastopol, California, with an average temperature fluctuating between 79.3°F (26.3°C) and 54.1°F (12.3°C).

Temperature

July reports an average high-temperature of a still moderately hot 79.3°F (26.3°C), slightly varied from June's 76.3°F (24.6°C). A significant temperature decrease to an average a cool 54.1°F (12.3°C) characterizes Sebastopol's nighttime temperatures during July.

Humidity

In Sebastopol, the average relative humidity in July is 66%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in July is 14h and 32min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:39 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:21 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 11.9h of sunshine.

UV index

In Sebastopol, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Sebastopol, in July, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 54.1°F (12.3°C).

In July, the average relative humidity is 66%.

July and August are months with the least rain when the rain falls for 1.5 days and typically aggregates up to 0.04" (1mm) of rain.

In July, the rain falls for 1.5 days. Throughout July, 0.04" (1mm) of precipitation is accumulated.

In July, the average day length is 14h and 32min.

On the first day of July, sunrise is at 5:51 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:21 pm PDT.

The month with the most sunshine is July, with an average of 11.9h of sunshine.

In July, the average sunshine duration is 11.9h.

The average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

76.3°F

79.3°F

79.7°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.5mph

6.3mph

6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

26.5

27.2

27.1

Average UV index

Average cloud cover

14%

10%

Average visibility

6mi

Average temperature in July
Sebastopol, CA

Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

Average low temperature in July: 54.1°F

The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in July
Sebastopol, CA

Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in July
Sebastopol, CA

Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

Average humidity in July
Sebastopol, CA

Average humidity in July: 66%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).

Average rainfall in July
Sebastopol, CA

Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in July
Sebastopol, CA

Average rainfall days in July: 1.5 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in July: 14h and 30min

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 30min).

Average sunshine in July: 11h and 54min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in July
Sebastopol, CA

Average sunshine days in July: 27.2 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

Average UV index in July
Sebastopol, CA

Average UV index in July: 5

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

Average cloud cover in July
Sebastopol, CA

Average cloud cover in July: 9

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in July
Sebastopol, 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).