January weather forecast and climate
Montara, CA

Weather in January

January, the same as December, in Montara, California, is another mild winter month, with average temperature ranging between max 55.9°F (13.3°C) and min 48.7°F (9.3°C).

Temperature

In January, the average high-temperature is essentially the same as in December - a still mild 55.9°F (13.3°C). In Montara, the average low-temperature is 48.7°F (9.3°C).

Humidity

In Montara, California, the average relative humidity in January is 74%.

Rainfall

In Montara, in January, it is raining for 8.3 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 77.3 rainfall days, and 6.81" (173mm) of precipitation is accumulated.

Ocean temperature

In January, the average ocean temperature in Montara is 53.2°F (11.8°C).
Note: Swimming in 53.2°F (11.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In January, the average length of the day in Montara is 9.9h.

Sunshine

The average sunshine in January is 5.9h.

UV index

The average daily maximum UV index in Montara is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 January in Montara?

The average high-temperature, in January, in Montara, California, is 55.9°F (13.3°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in January in Montara?

In Montara, the average relative humidity in January is 74%.

How many days does it rain in January in Montara?

In January, in Montara, California, the rain falls for 8.3 days. Throughout January, 1.18" (30mm) of precipitation is accumulated.

What is the ocean temperature in January in Montara?

In Montara, the average seawater temperature in January is 53.2°F (11.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Montara have in January?

In Montara, California, the average length of the day in January is 9.9h.

How long on average sun shines in January in Montara?

The average sunshine in January in Montara is 5.9h.

What is the UV index intensity in January in Montara?

The average daily maximum UV index in January in Montara is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in January
Montara, CA

Average temperature in January - Montara, CA
  • Average high temperature in January: 55.9°F

The warmest month (with the highest average high temperature) is September (67.5°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in January: 48.7°F

The month with the highest average low temperature is September (56.8°F).
The coldest months (with the lowest average low temperature) are January and February (48.7°F).

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Average pressure in January
Montara, CA

Average pressure in January - Montara, CA
  • Average pressure in January: 30.13"

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 January
Montara, CA

Average wind speed in January - Montara, CA
  • Average wind speed in January: 7.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).

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Average humidity in January
Montara, CA

Average humidity in January - Montara, CA
  • Average humidity in January: 74%

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 January
Montara, CA

Average rainfall in January - Montara, CA
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is February (1.34").
The driest months (with the least rainfall) are June, July and September (0.12").

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Average rainfall days in January
Montara, CA

Average rainfall days in January - Montara, CA
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is September (3.6 days).

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Average sea temperature in January
Montara, CA

Average sea temperature in January - Montara, CA
  • Average sea temperature in January: 53.3°F

The best month for swimming (with the highest average sea temperature) is September (56.9°F).
The coldest month (with the lowest average sea temperature) is June (52.4°F).

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Average daylight in January /
Average sunshine in January
Montara, CA

Average daylight in January / Average sunshine in January - Montara, CA
  • Average daylight in January: 9.9h

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 January: 5.9h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in January
Montara, CA

Average sunshine days in January - Montara, CA
  • Average sunshine days in January: 21.6 days

The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is August (18.7 days).

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Average UV index in January
Montara, CA

Average UV index in January - Montara, CA
  • Average UV index in January: 4

Months with the highest UV index are June, August and September (UV index 5).
Months with the lowest UV index are February and December (UV index 3).

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Average cloud cover in January
Montara, CA

Average cloud cover in January - Montara, CA
  • Average cloud cover in January: 35

The month with the most cloud cover is March (Cloud cover 39).
Months with the least cloud cover are September and October (Cloud cover 21).

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Average visibility in January
Montara, CA

Average visibility in January - Montara, CA
  • Average visibility in January: 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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