July weather forecastNicasio, CA

July

Weather in July

July is a moderately hot summer month in Nicasio, California, with an average temperature ranging between max 74.7°F (23.7°C) and min 54.1°F (12.3°C).

Temperature

The advent of July brings an average high-temperature of a warm 74.7°F (23.7°C), almost identical to the preceding month. In Nicasio, July nights cool down to an average of 54.1°F (12.3°C).

Humidity

The average relative humidity in July is 71%.

Rainfall

The months with the least rainfall are July through September Rain falls for 2.5 days and accumulates 0.08" (2mm) of rain.

Daylight

In Nicasio, the average length of the day in July is 14h and 30min.
On the first day of July, sunrise is at 5:52 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:20 pm PDT.

Sunshine

The month with the most sunshine in Nicasio is July, with an average of 11.8h of sunshine.

UV index

In Nicasio, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in July, in Nicasio, is 74.7°F (23.7°C), while the average low-temperature is 54.1°F (12.3°C).

In Nicasio, the average relative humidity in July is 71%.

The months with the least rainfall in Nicasio are July through September Rain falls for 2.5 days and accumulates 0.08" (2mm) of rain.

In Nicasio, California, during July, the rain falls for 2.5 days and regularly aggregates up to 0.08" (2mm) of precipitation.

In July, the average day length is 14h and 30min.

In July, on the first day of the month, sunrise is at 5:52 am and sunset at 8:37 pm. On the last day of the month, in Nicasio, sunrise is at 6:13 am and sunset at 8:20 pm PDT.

July has the most sunshine of the year in Nicasio, California, with an average of 11.8h of sunshine.

The average sunshine duration in July in Nicasio, California, is 11.8h.

In Nicasio, California, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes 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

72.5°F

74.7°F

75°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.6mph

6.7mph

6.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

24.5

23.8

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Nicasio, CA

Average high temperature in July: 74.7°F

The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (55.2°F).

Average low temperature in July: 54.1°F

The month with the highest average low temperature is September (55.8°F).
The coldest month (with the lowest average low temperature) is December (43.9°F).

Average pressure in July
Nicasio, 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
Nicasio, CA

Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).

Average humidity in July
Nicasio, CA

Average humidity in July: 71%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (66%).

Average rainfall in July
Nicasio, CA

Average rainfall in July: 0.08"

The wettest month (with the highest rainfall) is February (1.65").
The driest months (with the least rainfall) are July, August and September (0.08").

Average rainfall days in July
Nicasio, CA

Average rainfall days in July: 2.5 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (2 days).

Average daylight in July /
Average sunshine in July
Nicasio, 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 36min).

Average sunshine in July: 11h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in July
Nicasio, CA

Average sunshine days in July: 23.8 days

The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is March (18.5 days).

Average UV index in July
Nicasio, 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
Nicasio, CA

Average cloud cover in July: 14

The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 14).

Average visibility in July
Nicasio, 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).