October weather forecast and climate
Granite Bay, CA

Weather in October

October, like September, in Granite Bay, California, is another warm autumn month, with average temperature varying between 52.7°F (11.5°C) and 75°F (23.9°C).

Temperature

In October, the average high-temperature decreases, from a tropical 86.9°F (30.5°C) in September, to a moderately hot 75°F (23.9°C). In Granite Bay, the average low-temperature is 52.7°F (11.5°C).

Humidity

In Granite Bay, California, the average relative humidity is 48%.

Rainfall

In October, in Granite Bay, the rain falls for 4.2 days. Throughout October, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Granite Bay, there are 81.2 rainfall days, and 22.64" (575mm) of precipitation is accumulated.

Snowfall

In Granite Bay, California, snow does not fall in January, March through November.

Daylight

The average length of the day in October is 11.2h.

Sunshine

In Granite Bay, the average sunshine in October is 7.2h.

UV index

In Granite Bay, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 in October transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in October in Granite Bay?

The average high-temperature, in October, is 75°F (23.9°C), while the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in October in Granite Bay?

The average relative humidity in October is 48%.

How much does it rain in Granite Bay in October?

In October, in Granite Bay, the rain falls for 4.2 days. Throughout October, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Granite Bay?

January, March through November are months without snowfall in Granite Bay, California.

What is the average length of the day in October in Granite Bay?

The average length of the day in October is 11.2h.

How long on average sun shines in October in Granite Bay?

In October, the average sunshine in Granite Bay, California, is 7.2h.

How high is the UV index in October in Granite Bay?

The average daily maximum UV index in October in Granite Bay is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in October
Granite Bay, CA

Average temperature in October - Granite Bay, CA
  • Average high temperature in October: 75°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (54°F).

  • Average low temperature in October: 52.7°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).

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Average pressure in October
Granite Bay, CA

Average pressure in October - Granite Bay, CA
  • Average pressure in October: 30"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in October
Granite Bay, CA

Average wind speed in October - Granite Bay, CA
  • Average wind speed in October: 4.3mph

The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).

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Average humidity in October
Granite Bay, CA

Average humidity in October - Granite Bay, CA
  • Average humidity in October: 48%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).

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Average rainfall in October
Granite Bay, CA

Average rainfall in October - Granite Bay, CA
  • Average rainfall in October: 1.18"

The wettest month (with the highest rainfall) is March (4.33").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in October
Granite Bay, CA

Average rainfall days in October - Granite Bay, CA
  • Average rainfall days in October: 4.2 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is July (1 days).

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Average snowfall in October
Granite Bay, CA

Average snowfall in October - Granite Bay, CA
  • Average snowfall in October: 0"

Months with the highest snowfall are February and December (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in October
Granite Bay, CA

Average snowfall days in October - Granite Bay, CA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is December (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in October /
Average sunshine in October
Granite Bay, CA

Average daylight in October / Average sunshine in October - Granite Bay, CA
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 7.2h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in October
Granite Bay, CA

Average sunshine days in October - Granite Bay, CA
  • Average sunshine days in October: 25.9 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is March (15.7 days).

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Average UV index in October
Granite Bay, CA

Average UV index in October - Granite Bay, CA
  • Average UV index in October: 4

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in October
Granite Bay, CA

Average cloud cover in October - Granite Bay, CA
  • Average cloud cover in October: 15

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in October
Granite Bay, CA

Average visibility in October - Granite Bay, CA
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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