October weather forecast
Blackhawk, CA

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Weather in October

October, the same as September, is another warm autumn month in Blackhawk, California, with an average temperature varying between 53.4°F (11.9°C) and 74.3°F (23.5°C).

Temperature

Blackhawk's weather subtly changes with the onset of October, barely falling from 82°F (27.8°C) in September to a still moderately hot 74.3°F (23.5°C). Blackhawk, during October, witnesses an average low-temperature 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

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

Sunshine

In Blackhawk, the average sunshine in October is 7.1h.

UV index

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 4 in October translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The high-temperature, in October, in Blackhawk, records 74.3°F (23.5°C), while the low-temperature is 53.4°F (11.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is estimated at 84.2°F (29°C).

What is the average humidity in October?

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

How many days does it rain in October?

In October, the rain falls for 4.3 days. Throughout October, 0.55" (14mm) of precipitation is accumulated.

What is the average length of the day in October?

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

What time are sunrise and sunset in October?

On the first day of October, 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.

How long on average sun shines in October?

In October, the average sunshine duration is 7.1h.

What is the UV index intensity in October in Blackhawk?

In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

Blackhawk, California, USA

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