October weather forecast
Blackhawk, CA

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Weather in October

October, like September, in Blackhawk, California, is a moderately hot autumn month, with an average temperature ranging between min 53.4°F (11.9°C) and max 74.3°F (23.5°C).

Temperature

With the beginning of October, the average high-temperature shows a small decrease, transitioning from a warm 82°F (27.8°C) in September to a still moderately hot 74.3°F (23.5°C). Throughout October, the temperature tends to fall to a consistent average low of 53.4°F (11.9°C).

Humidity

In October, the average relative humidity is 58%.

Rainfall

In Blackhawk, in October, during 4.3 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Blackhawk, during the entire year, the rain falls for 67.2 days and collects up to 10.98" (279mm) of precipitation.

Daylight

The average length of the day in October is 11h and 12min.
On the first day of October in Blackhawk, California, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:09 pm PDT.

Sunshine

The average sunshine in October in Blackhawk is 7.1h.

UV index

The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During October, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the usual temperature for Blackhawk in October?

An average high-temperature, in October, in Blackhawk, is 74.3°F (23.5°C) and the average low-temperature is 53.4°F (11.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in September is calculated to be 84.2°F (29°C).

What is the average humidity in October in Blackhawk?

In October, the average relative humidity in Blackhawk is 58%.

How much does it rain in Blackhawk in October?

In Blackhawk, California, during October, the rain falls for 4.3 days and regularly aggregates up to 0.55" (14mm) of precipitation.

What is the average length of the day in October in Blackhawk?

In October, the average day length in Blackhawk is 11h and 12min.

What time are sunrise and sunset in October in Blackhawk?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, in Blackhawk, sunrise is at 7:32 am and sunset at 6:09 pm PDT.

How many hours of sunshine does Blackhawk have in October?

The average sunshine duration in October in Blackhawk, California, is 7.1h.

What is the UV index reading in October in Blackhawk?

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

Average temperature in October
Blackhawk, CA

Average temperature in October - Blackhawk, CA
  • Average high temperature in October: 74.3°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in October: 53.4°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

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Average pressure in October
Blackhawk, CA

Average pressure in October - Blackhawk, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in October
Blackhawk, CA

Average wind speed in October - Blackhawk, CA
  • Average wind speed in October: 4.6mph

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in October
Blackhawk, CA

Average humidity in October - Blackhawk, CA
  • Average humidity in October: 58%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).

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Average rainfall in October
Blackhawk, CA

Average rainfall in October - Blackhawk, CA
  • Average rainfall in October: 0.55"

The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0").

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Average rainfall days in October
Blackhawk, CA

Average rainfall days in October - Blackhawk, CA
  • Average rainfall days in October: 4.3 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.6 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in October
Blackhawk, CA

Average sunshine days in October - Blackhawk, CA
  • Average sunshine days in October: 25.6 days

The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (17.5 days).

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Average UV index in October
Blackhawk, CA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in October
Blackhawk, CA

Average cloud cover in October - Blackhawk, CA
  • Average cloud cover in October: 16

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in October
Blackhawk, CA

Average visibility in October - Blackhawk, 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).

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Blackhawk, California, USA

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