October weather forecast
Norco, CA

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Weather in October

October, the same as September, is another warm autumn month in Norco, California, with an average temperature fluctuating between 58.8°F (14.9°C) and 79.5°F (26.4°C).

Temperature

October's arrival subtly correlates with a reduction in the average high-temperature, down from a hot 86.9°F (30.5°C) in September to a warm 79.5°F (26.4°C). An average low-temperature of 58.8°F (14.9°C) marks the nights in Norco throughout October.

Humidity

The average relative humidity in October in Norco is 50%.

Rainfall

In Norco, California, in October, it is raining for 3.5 days, with typically 0.31" (8mm) of accumulated precipitation. In Norco, during the entire year, the rain falls for 53.9 days and collects up to 8.86" (225mm) of precipitation.

Daylight

In Norco, the average length of the day in October is 11h and 19min.
On the first day of October, sunrise is at 6:45 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:58 pm PDT.

Sunshine

In October, the average sunshine in Norco is 8.6h.

UV index

In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the average October temperature in Norco?

The high-temperature, in October, in Norco, records 79.5°F (26.4°C), while the low-temperature is 58.8°F (14.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is appraised at 89.6°F (32°C).

What is the average humidity in October in Norco?

The average relative humidity in October in Norco, California, is 50%.

How much does it rain in Norco in October?

In Norco, California, during October, the rain falls for 3.5 days and regularly aggregates up to 0.31" (8mm) of precipitation.

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

In Norco, California, the average day length in October is 11h and 19min.

When is the sunrise / sunset in October in Norco?

In October, on the first day of the month, sunrise is at 6:45 am and sunset at 6:33 pm. On the last day of the month, in Norco, sunrise is at 7:09 am and sunset at 5:58 pm PDT.

How long on average sun shines in October in Norco?

In Norco, California, the average sunshine duration in October is 8.6h.

What is the UV index intensity in October in Norco?

In October, the average daily maximum UV index in Norco is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Norco, CA

Average temperature in October - Norco, CA
  • Average high temperature in October: 79.5°F

The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (63.5°F).

  • Average low temperature in October: 58.8°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

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Average pressure in October
Norco, CA

Average pressure in October - Norco, CA
  • Average pressure in October: 29.94"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in October
Norco, CA

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

The windiest months (with the highest average wind speed) are April and May (5.4mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in October
Norco, CA

Average humidity in October - Norco, CA
  • Average humidity in October: 50%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in October
Norco, CA

Average rainfall in October - Norco, CA
  • Average rainfall in October: 0.31"

The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in October
Norco, CA

Average rainfall days in October - Norco, CA
  • Average rainfall days in October: 3.5 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.3 days).

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

Average daylight in October / Average sunshine in October - Norco, CA
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in October: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in October
Norco, CA

Average sunshine days in October - Norco, CA
  • Average sunshine days in October: 25.3 days

The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in October
Norco, CA

Average UV index in October - Norco, CA
  • Average UV index in October: 5

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in October
Norco, CA

Average cloud cover in October - Norco, CA
  • Average cloud cover in October: 12

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in October
Norco, CA

Average visibility in October - Norco, 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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Norco, California, USA

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