July weather forecast
San Geronimo, CA

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Weather in July

July is a pleasant summer month in San Geronimo, California, with an average temperature varying between 68.5°F (20.3°C) and 54.9°F (12.7°C).

Temperature

The onset of July marks an average high-temperature of an agreeable 68.5°F (20.3°C), hardly differing from June's 67.8°F (19.9°C). San Geronimo's nighttime temperature in July drops to an average of 54.9°F (12.7°C).

Humidity

In July, the average relative humidity in San Geronimo is 77%.

Rainfall

The months with the least rainfall in San Geronimo are July and August Rain falls for 2.3 days and accumulates 0.08" (2mm) of rain.

Snowfall

January through November are months without snowfall.

Daylight

In July, the average length of the day is 14h and 29min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:37 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:20 pm PDT.

Sunshine

The month with the most sunshine in San Geronimo, California, is July, with an average of 11.2h of sunshine.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, the maximum UV index of 5 suggests this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the usual temperature for San Geronimo in July?

In July, in San Geronimo, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 54.9°F (12.7°C).

What is the average humidity in July in San Geronimo?

In July, the average relative humidity in San Geronimo, California, is 77%.

What is the driest month in San Geronimo?

July and August are months with the least rain in San Geronimo, California, when the rain falls for 2.3 days and typically aggregates up to 0.08" (2mm) of rain.

How much does it rain in San Geronimo in July?

In San Geronimo, during July, the rain falls for 2.3 days and regularly aggregates up to 0.08" (2mm) of precipitation.

When it does not snow in San Geronimo?

January through November are months without snowfall.

How many hours of daylight does San Geronimo have in July?

In July, the average day length in San Geronimo is 14h and 29min.

When are sunrise and sunset in July in San Geronimo?

On the first day of July in San Geronimo, California, 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.

What month has the most sunshine in San Geronimo?

With an average of 11.2h of sunshine, July has the most sunshine of the year in San Geronimo.

How long on average sun shines in July in San Geronimo?

In San Geronimo, California, the average sunshine duration in July is 11.2h.

What is the month with the highest UV index in San Geronimo?

The months with the highest UV index in San Geronimo, California, are June through September, with an average maximum UV index of 5.

What is the UV index intensity in July in San Geronimo?

In July, the average daily maximum UV index in San Geronimo is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
San Geronimo, CA

Average temperature in July - San Geronimo, CA
  • Average high temperature in July: 68.5°F

The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in July: 54.9°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).

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Average pressure in July
San Geronimo, CA

Average pressure in July - San Geronimo, 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).

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Average wind speed in July
San Geronimo, CA

Average wind speed in July - San Geronimo, CA
  • Average wind speed in July: 6.8mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).

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Average humidity in July
San Geronimo, CA

Average humidity in July - San Geronimo, CA
  • Average humidity in July: 77%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in July
San Geronimo, CA

Average rainfall in July - San Geronimo, CA
  • Average rainfall in July: 0.08"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in July
San Geronimo, CA

Average rainfall days in July - San Geronimo, CA
  • Average rainfall days in July: 2.3 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall days in July
San Geronimo, CA

Average snowfall days in July - San Geronimo, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in July /
Average sunshine in July
San Geronimo, CA

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

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 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in July
San Geronimo, CA

Average sunshine days in July - San Geronimo, CA
  • Average sunshine days in July: 24.8 days

The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).

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Average UV index in July
San Geronimo, CA

Average UV index in July - San Geronimo, CA
  • Average UV index in July: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in July
San Geronimo, CA

Average cloud cover in July - San Geronimo, CA
  • Average cloud cover in July: 22

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in July
San Geronimo, CA

Average visibility in July - San Geronimo, 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).

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San Geronimo, California, USA

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