July weather forecastGraton, CA

July

Weather in July

July, the same as June, is another warm summer month in Graton, California, with an average temperature ranging between max 79.3°F (26.3°C) and min 54.1°F (12.3°C).

Temperature

July's onset records an average high-temperature of a still moderately hot 79.3°F (26.3°C), a near match to June's 76.3°F (24.6°C). During July, Graton notes a substantial drop from the daytime peak to an average minimum temperature of 54.1°F (12.3°C).

Humidity

In July, the average relative humidity 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

In Graton, 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, in Graton, California, sunrise is at 6:13 am and sunset at 8:22 pm PDT.

Sunshine

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

UV index

In Graton, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In July, the maximum UV index of 5 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during July is 79.3°F (26.3°C) and the 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 Graton, in July, it is raining for 1.5 days, with typically 0.04" (1mm) of accumulated precipitation.

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

In July, on the first day of the month, 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 8:22 pm PDT.

July has the most sunshine of the year, with an average of 11.9h of sunshine.

In Graton, the average sunshine duration in July is 11.9h.

In Graton, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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
Graton, 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).