November weather forecast and climate
Ontario, CA

The luxurious residential estate in Ontario, California, with a scenic background of a hilly landscape
The luxurious residential estate in Ontario, California, with a scenic background of a hilly landscape

Weather in November

November, the last month of the autumn, in Ontario, is also an agreeable month, with average temperature ranging between max 70.7°F (21.5°C) and min 50.9°F (10.5°C).

Temperature

In Ontario, the average high-temperature marginally drops, from a moderately hot 79°F (26.1°C) in October, to an agreeable 70.7°F (21.5°C). In November, in Ontario, the average low-temperature is 50.9°F (10.5°C).

Humidity

The average relative humidity in Ontario is 44%.

Rainfall

In Ontario, it is raining for 4 days, with typically 0.75" (19mm) of accumulated precipitation. In Ontario, during the entire year, the rain falls for 49.6 days and collects up to 7.8" (198mm) of precipitation.

Snowfall

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

Daylight

In November, the average length of the day in Ontario is 10.4h.

Sunshine

In November, the average sunshine in Ontario is 7.3h.

UV index

In Ontario, the average daily maximum UV index in November is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in November 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in November in Ontario?

In November, in Ontario, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in November in Ontario?

The average relative humidity in November is 44%.

How many days does it rain in November in Ontario?

In Ontario, during November, the rain falls for 4 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Ontario?

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

What is the average length of the day in November in Ontario?

In Ontario, California, the average length of the day in November is 10.4h.

How long on average sun shines in November in Ontario?

The average sunshine in November is 7.3h.

What is the UV index reading in November in Ontario?

In Ontario, California, the average daily maximum UV index in November is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in November
Ontario, CA

Average temperature in November - Ontario, CA
  • Average high temperature in November: 70.7°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in November: 50.9°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 (45.5°F).

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Average pressure in November
Ontario, CA

Average pressure in November - Ontario, CA
  • Average pressure in November: 30.03"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in November
Ontario, CA

Average wind speed in November - Ontario, CA
  • Average wind speed in November: 5mph

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in November
Ontario, CA

Average humidity in November - Ontario, CA
  • Average humidity in November: 44%

Months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in November
Ontario, CA

Average rainfall in November - Ontario, CA
  • Average rainfall in November: 0.75"

The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in November
Ontario, CA

Average rainfall days in November - Ontario, CA
  • Average rainfall days in November: 4 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in November
Ontario, CA

Average snowfall days in November - Ontario, CA
  • Average snowfall days in November: 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 November /
Average sunshine in November
Ontario, CA

Average daylight in November / Average sunshine in November - Ontario, CA
  • Average daylight in November: 10.4h

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 November: 7.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.9).

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Average sunshine days in November
Ontario, CA

Average sunshine days in November - Ontario, CA
  • Average sunshine days in November: 25.5 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in November
Ontario, CA

Average UV index in November - Ontario, CA
  • Average UV index in November: 4

Months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in November
Ontario, CA

Average cloud cover in November - Ontario, CA
  • Average cloud cover in November: 13

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in November
Ontario, CA

Average visibility in November - Ontario, CA
  • Average visibility in November: 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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