November weather forecast and climate
Half Moon Bay, CA

A warm and sunny day on a scenic beach in Half Moon Bay, California
A warm and sunny day on a scenic beach in Half Moon Bay, California

Weather in November

The last month of the autumn, November, is also a moderate month in Half Moon Bay, California, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 60.3°F (15.7°C).

Temperature

In November, the average high-temperature is almost the same as in October - a moderate 60.3°F (15.7°C). The average low-temperature, in November, is 52.9°F (11.6°C).

Humidity

November and December, with an average relative humidity of 72%, are the least humid months.

Rainfall

In November, in Half Moon Bay, the rain falls for 5.7 days. Throughout November, 0.98" (25mm) of precipitation is accumulated. In Half Moon Bay, during the entire year, the rain falls for 76.8 days and collects up to 8.54" (217mm) of precipitation.

Daylight

In Half Moon Bay, California, the average length of the day in November is 10.2h.

Sunshine

In Half Moon Bay, California, the average sunshine in November is 6.5h.

UV index

Months with the lowest UV index are January through May, July, October through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in November in Half Moon Bay?

The average high-temperature, in November, is 60.3°F (15.7°C), while the average low-temperature is 52.9°F (11.6°C).

What is the least humid month in Half Moon Bay?

November and December, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in November in Half Moon Bay?

In November, the average relative humidity in Half Moon Bay, California, is 72%.

How much does it rain in Half Moon Bay in November?

In Half Moon Bay, California, during November, the rain falls for 5.7 days and regularly aggregates up to 0.98" (25mm) of precipitation.

What is the average length of the day in November in Half Moon Bay?

In Half Moon Bay, California, the average length of the day in November is 10.2h.

How long on average sun shines in November in Half Moon Bay?

In November, the average sunshine in Half Moon Bay, California, is 6.5h.

When is the lowest UV index in Half Moon Bay?

Months with the lowest UV index in Half Moon Bay, California, are January through May, July, October through December, with an average maximum UV index of 4.

What is the UV index intensity in November in Half Moon Bay?

In Half Moon Bay, the average daily maximum UV index in November is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in November
Half Moon Bay, CA

Average temperature in November - Half Moon Bay, CA
  • Average high temperature in November: 60.3°F

The warmest month (with the highest average high temperature) is September (66.9°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in November: 52.9°F

The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure in November
Half Moon Bay, CA

Average pressure in November - Half Moon Bay, CA
  • Average pressure in November: 30.07"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in November
Half Moon Bay, CA

Average wind speed in November - Half Moon Bay, CA
  • Average wind speed in November: 7.4mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in November
Half Moon Bay, CA

Average humidity in November - Half Moon Bay, CA
  • Average humidity in November: 72%

The month with the highest relative humidity is August (82%).
Months with the lowest relative humidity are November and December (72%).

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Average rainfall in November
Half Moon Bay, CA

Average rainfall in November - Half Moon Bay, CA
  • Average rainfall in November: 0.98"

The wettest month (with the highest rainfall) is February (1.61").
The driest months (with the least rainfall) are June and July (0.12").

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Average rainfall days in November
Half Moon Bay, CA

Average rainfall days in November - Half Moon Bay, CA
  • Average rainfall days in November: 5.7 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (3 days).

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Average daylight in November /
Average sunshine in November
Half Moon Bay, CA

Average daylight in November / Average sunshine in November - Half Moon Bay, CA
  • Average daylight in November: 10.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in November: 6.5h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in November
Half Moon Bay, CA

Average sunshine days in November - Half Moon Bay, CA
  • Average sunshine days in November: 22.9 days

The month with the most sunshine days is October (24.6 days).
Months with the least sunshine days are March and August (18.8 days).

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Average UV index in November
Half Moon Bay, CA

Average UV index in November - Half Moon Bay, CA
  • Average UV index in November: 4

Months with the highest UV index are June, August and September (UV index 5).
Months with the lowest UV index are January, February, March, April, May, July, October, November and December (UV index 4).

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Average cloud cover in November
Half Moon Bay, CA

Average cloud cover in November - Half Moon Bay, CA
  • Average cloud cover in November: 26

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in November
Half Moon Bay, CA

Average visibility in November - Half Moon Bay, 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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