October weather forecast and climate
Pomona, CA

Trails in the rural mountainous region of Pomona, California, with scenic slopes and dense population down below
Trails in the rural mountainous region of Pomona, California, with scenic slopes and dense population down below

Weather in October

October, like September, in Pomona, California, is another warm autumn month, with average temperature ranging between min 58.6°F (14.8°C) and max 79.5°F (26.4°C).

Temperature

In October, the average high-temperature slightly decreases, from a hot 87.6°F (30.9°C) in September, to a moderately hot 79.5°F (26.4°C). In Pomona, in October, the average low-temperature is 58.6°F (14.8°C).

Humidity

The average relative humidity in October is 47%.

Rainfall

In October, the rain falls for 2.8 days. Throughout October, 0.2" (5mm) of precipitation is accumulated. In Pomona, during the entire year, the rain falls for 48 days and collects up to 7.52" (191mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in October is 11.3h.

Sunshine

The average sunshine in Pomona is 8.8h.

UV index

The average daily maximum UV index in Pomona is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in October in Pomona?

The average high-temperature, in October, in Pomona, California, is 79.5°F (26.4°C), while the average low-temperature is 58.6°F (14.8°C).

What is the average humidity in October in Pomona?

The average relative humidity in October is 47%.

How much does it rain in Pomona in October?

In October, in Pomona, the rain falls for 2.8 days. Throughout October, 0.2" (5mm) of precipitation is accumulated.

When it does not snow in Pomona?

January, March through December are months without snowfall.

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

In October, the average length of the day in Pomona, California, is 11.3h.

How long on average sun shines in October in Pomona?

In Pomona, the average sunshine in October is 8.8h.

What is the UV index intensity in October in Pomona?

The average daily maximum UV index in October in Pomona is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in October
Pomona, CA

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

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in October: 58.6°F

The month with the highest average low temperature is August (65.7°F).
The coldest months (with the lowest average low temperature) are February and December (46.8°F).

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Average pressure in October
Pomona, CA

Average pressure in October - Pomona, CA
  • Average pressure in October: 29.94"

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

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Average wind speed in October
Pomona, CA

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

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 September (4.4mph).

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Average humidity in October
Pomona, CA

Average humidity in October - Pomona, CA
  • Average humidity in October: 47%

The month with the highest relative humidity is May (56%).
Months with the lowest relative humidity are August and November (45%).

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Average rainfall in October
Pomona, CA

Average rainfall in October - Pomona, CA
  • Average rainfall in October: 0.2"

The wettest months (with the highest rainfall) are February and December (1.65").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in October
Pomona, CA

Average rainfall days in October - Pomona, CA
  • Average rainfall days in October: 2.8 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall days in October
Pomona, CA

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

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

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

Average daylight in October / Average sunshine in October - Pomona, CA
  • Average daylight in October: 11.3h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in October: 8.8h

The month with the most sunshine is July (Average sunshine: 12.2h).
Months with the least sunshine are February and December (Average sunshine: 6.9).

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Average sunshine days in October
Pomona, CA

Average sunshine days in October - Pomona, CA
  • Average sunshine days in October: 26.5 days

The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is February (21.1 days).

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Average UV index in October
Pomona, CA

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

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

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Average cloud cover in October
Pomona, CA

Average cloud cover in October - Pomona, CA
  • Average cloud cover in October: 9

Months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in October
Pomona, CA

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

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

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