October weather forecast
San Geronimo, CA

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Weather in October

October, the same as September, is another comfortable autumn month in San Geronimo, California, with an average temperature ranging between min 54.7°F (12.6°C) and max 67.5°F (19.7°C).

Temperature

October registers an average high-temperature of a refreshing 67.5°F (19.7°C), slightly varied from September's 70.9°F (21.6°C). Throughout October nights, San Geronimo experiences a consistent temperature average of 54.7°F (12.6°C).

Humidity

October is the least humid month, with an average relative humidity of 69%.

Rainfall

In San Geronimo, in October, it is raining for 5 days, with typically 0.83" (21mm) of accumulated precipitation. In San Geronimo, during the entire year, the rain falls for 80.3 days and collects up to 15.98" (406mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

The average length of the day in October is 11h and 11min.
On the first day of October in San Geronimo, sunrise is at 7:07 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:12 pm PDT.

Sunshine

In October, the average sunshine is 6.9h.

UV index

The average daily maximum UV index in October in San Geronimo is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 4 during October morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the temperature in October in San Geronimo?

The average high-temperature and low-temperature in San Geronimo during October are 67.5°F (19.7°C) and 54.7°F (12.6°C) respectively.

What is the least humid month in San Geronimo?

October is the least humid month, with an average relative humidity of 69%.

What is the average humidity in October in San Geronimo?

The average relative humidity in October in San Geronimo is 69%.

How much does it rain in San Geronimo in October?

In San Geronimo, during October, the rain falls for 5 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow in San Geronimo?

January through November are months without snowfall in San Geronimo.

What is the average length of the day in October in San Geronimo?

In San Geronimo, California, the average day length in October is 11h and 11min.

What time are sunrise and sunset in October in San Geronimo?

On the first day of October, sunrise is at 7:07 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:12 pm PDT.

How many hours of sunshine does San Geronimo have in October?

The average sunshine duration in October is 6.9h.

What is the UV index reading in October in San Geronimo?

In October, the average daily maximum UV index in San Geronimo, California, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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 October
San Geronimo, CA

Average temperature in October - San Geronimo, CA
  • Average high temperature in October: 67.5°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 October: 54.7°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).

Average pressure in October
San Geronimo, CA

Average pressure in October - San Geronimo, CA
  • Average pressure in October: 29.98"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 October
San Geronimo, CA

Average wind speed in October - San Geronimo, CA
  • Average wind speed in October: 6mph

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).

Average humidity in October
San Geronimo, CA

Average humidity in October - San Geronimo, CA
  • Average humidity in October: 69%

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

Average rainfall in October
San Geronimo, CA

Average rainfall in October - San Geronimo, CA
  • Average rainfall in October: 0.83"

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

Average rainfall days in October
San Geronimo, CA

Average rainfall days in October - San Geronimo, CA
  • Average rainfall days in October: 5 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).

Average snowfall days in October
San Geronimo, CA

Average snowfall days in October - San Geronimo, CA
  • Average snowfall days in October: 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).

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

Average daylight in October / Average sunshine in October - San Geronimo, CA
  • Average daylight in October: 11h and 1min

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 October: 6h and 5min

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).

Average sunshine days in October
San Geronimo, CA

Average sunshine days in October - San Geronimo, CA
  • Average sunshine days in October: 24 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).

Average UV index in October
San Geronimo, CA

Average UV index in October - San Geronimo, CA
  • Average UV index in October: 4

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).

Average cloud cover in October
San Geronimo, CA

Average cloud cover in October - San Geronimo, CA
  • Average cloud cover in October: 21

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

Average visibility in October
San Geronimo, CA

Average visibility in October - San Geronimo, CA
  • Average visibility in October: 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).

San Geronimo, California, USA

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