October weather forecast
Roseville, CA

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Weather in October

October, the same as September, is a moderately hot autumn month in Roseville, California, with an average temperature fluctuating between 53.1°F (11.7°C) and 75.7°F (24.3°C).

Temperature

The onset of October is marked by a decrease in temperature, transitioning from a tropical 87.8°F (31°C) in September to a warm 75.7°F (24.3°C). Roseville demonstrates a significant disparity from daytime highs throughout the month of October, with an average nighttime temperature of 53.1°F (11.7°C).

Humidity

In October, the average relative humidity is 48%.

Rainfall

In Roseville, California, in October, it is raining for 4.3 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 78.4 rainfall days, and 19.09" (485mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall.

Daylight

In Roseville, the average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 7:01 am and sunset at 6:47 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:05 pm PDT.

Sunshine

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

UV index

In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in October converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What is the temperature in October in Roseville?

The average high-temperature, in October, in Roseville, is 75.7°F (24.3°C), while the average low-temperature is 53.1°F (11.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is evaluated at 87.8°F (31°C).

What is the average humidity in October in Roseville?

The average relative humidity in October in Roseville, California, is 48%.

How many days does it rain in October in Roseville?

In October, the rain falls for 4.3 days. Throughout October, 0.98" (25mm) of precipitation is accumulated.

When it does not snow in Roseville?

In Roseville, California, snow does not fall in January through November.

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

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

What time are sunrise and sunset in October in Roseville?

On the first day of October in Roseville, California, sunrise is at 7:01 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:05 pm PDT.

How long on average sun shines in October in Roseville?

In Roseville, California, the average sunshine duration in October is 7.1h.

How high is the UV index in October in Roseville?

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

Average temperature in October
Roseville, CA

Average temperature in October - Roseville, CA
  • Average high temperature in October: 75.7°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in October: 53.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure in October
Roseville, CA

Average pressure in October - Roseville, CA
  • Average pressure in October: 29.99"Hg

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

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Average wind speed in October
Roseville, CA

Average wind speed in October - Roseville, CA
  • Average wind speed in October: 4.4mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4mph).

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Average humidity in October
Roseville, CA

Average humidity in October - Roseville, 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 (41%).

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Average rainfall in October
Roseville, CA

Average rainfall in October - Roseville, CA
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is March (3.58").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in October
Roseville, CA

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

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall days in October
Roseville, CA

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

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

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

Average daylight in October / Average sunshine in October - Roseville, 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: 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
Roseville, CA

Average sunshine days in October - Roseville, CA
  • Average sunshine days in October: 25.8 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.8 days).

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Average UV index in October
Roseville, CA

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

The months with the highest UV index are June and July (UV index 7).
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
Roseville, CA

Average cloud cover in October - Roseville, 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
Roseville, CA

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

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