October weather forecast
Calistoga, CA

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Vineyard and tree lines in a plantation in the Napa Valley in Calistoga, California
Vineyard and tree lines in a plantation in the Napa Valley in Calistoga, California

Weather in October

October, the same as September, is another warm autumn month in Calistoga, California, with an average temperature fluctuating between 74.7°F (23.7°C) and 50.7°F (10.4°C).

Temperature

As October arrives, Calistoga's weather displays a decrease in high-temperatures, transitioning from September's warm 84.4°F (29.1°C) to a still moderately hot 74.7°F (23.7°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at a fresh 50.7°F (10.4°C) in October.

Humidity

In October, the average relative humidity is 56%.

Rainfall

In Calistoga, California, in October, it is raining for 4.9 days, with typically 0.91" (23mm) of accumulated precipitation. In Calistoga, during the entire year, the rain falls for 77 days and collects up to 17.05" (433mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in October in Calistoga is 11h and 10min.
On the first day of the month, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:36 am and sunset at 6:10 pm PDT.

Sunshine

In Calistoga, California, the average sunshine in October is 6.9h.

UV index

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 4 during October leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In Calistoga, in October, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 50.7°F (10.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 86°F (30°C).

What is the average humidity in October?

In Calistoga, California, the average relative humidity in October is 56%.

How many days does it rain in October?

In Calistoga, in October, during 4.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow?

In Calistoga, snow does not fall in January, March through December.

What is the average length of the day in October?

In October, the average day length is 11h and 10min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:10 pm PDT.

How many hours of sunshine does Calistoga have in October?

In Calistoga, the average sunshine duration in October is 6.9h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Calistoga, CA

Average temperature in October - Calistoga, CA
  • Average high temperature in October: 74.7°F

The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in October: 50.7°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).

Average pressure in October
Calistoga, CA

Average pressure in October - Calistoga, CA
  • Average pressure in October: 29.99"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 (29.91"Hg).

Average wind speed in October
Calistoga, CA

Average wind speed in October - Calistoga, CA
  • Average wind speed in October: 4.5mph

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

Average humidity in October
Calistoga, CA

Average humidity in October - Calistoga, CA
  • Average humidity in October: 56%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (53%).

Average rainfall in October
Calistoga, CA

Average rainfall in October - Calistoga, CA
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in October
Calistoga, CA

Average rainfall days in October - Calistoga, CA
  • Average rainfall days in October: 4.9 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.8 days).

Average snowfall in October
Calistoga, CA

Average snowfall in October - Calistoga, CA
  • Average snowfall in October: 0"

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

Average snowfall days in October
Calistoga, CA

Average snowfall days in October - Calistoga, CA
  • Average snowfall days in October: 0 days

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

Average daylight in October /
Average sunshine in October
Calistoga, CA

Average daylight in October / Average sunshine in October - Calistoga, 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 30min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in October
Calistoga, CA

Average sunshine days in October - Calistoga, CA
  • Average sunshine days in October: 25 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (15.8 days).

Average UV index in October
Calistoga, CA

Average UV index in October - Calistoga, CA
  • Average UV index in October: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in October
Calistoga, CA

Average cloud cover in October - Calistoga, CA
  • Average cloud cover in October: 18

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in October
Calistoga, CA

Average visibility in October - Calistoga, CA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).

Calistoga, California, USA

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