January weather forecast and climate
Sausalito, CA

The colorful waterfront homes and the hilly region over the clear blue water of the ocean, Sausalito, California
The colorful waterfront homes and the hilly region over the clear blue water of the ocean, Sausalito, California

Weather in January

January in Sausalito, California, is a mild winter month, with average temperature fluctuating between 56.1°F (13.4°C) and 46.2°F (7.9°C).

Temperature

In January, the average high-temperature is essentially the same as in December - a moderate 56.1°F (13.4°C). In Sausalito, the average low-temperature is 46.2°F (7.9°C).

Humidity

In Sausalito, the average relative humidity in January is 73%.

Rainfall

In January, in Sausalito, California, the rain falls for 7.6 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. In Sausalito, California, during the entire year, the rain falls for 64.2 days and collects up to 4.8" (122mm) of precipitation.

Ocean temperature

In Sausalito, the average water temperature 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

The average length of the day in January is 9.9h.

Sunshine

The average sunshine in January is 5.9h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Sausalito. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 January in Sausalito?

In Sausalito, California, in January, the average high-temperature is 56.1°F (13.4°C), and the average low-temperature is 46.2°F (7.9°C).

What is the average humidity in January in Sausalito?

The average relative humidity in January in Sausalito is 73%.

How much does it rain in Sausalito in January?

In Sausalito, during January, the rain falls for 7.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

What is the water temperature in January in Sausalito?

In Sausalito, in January, the average water temperature is 53.2°F (11.8°C). Swimming in 53.2°F (11.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Sausalito have in January?

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

How many hours of sunshine does Sausalito have in January?

In January, the average sunshine in Sausalito, California, is 5.9h.

When is the lowest UV index in Sausalito?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

How high is the UV index in January in Sausalito?

The average daily maximum UV index in January in Sausalito is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in January
Sausalito, CA

Average temperature in January - Sausalito, CA
  • Average high temperature in January: 56.1°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in January: 46.2°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).

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Average pressure in January
Sausalito, CA

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

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in January
Sausalito, CA

Average wind speed in January - Sausalito, CA
  • Average wind speed in January: 6.1mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).

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Average humidity in January
Sausalito, CA

Average humidity in January - Sausalito, CA
  • Average humidity in January: 73%

Months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in January
Sausalito, CA

Average rainfall in January - Sausalito, CA
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").

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Average rainfall days in January
Sausalito, CA

Average rainfall days in January - Sausalito, CA
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in January
Sausalito, CA

Average sea temperature in January - Sausalito, CA
  • Average sea temperature in January: 53.2°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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

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

The month with the longest days is June (Average daylight: 14.8h).
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: 11.4h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in January
Sausalito, CA

Average sunshine days in January - Sausalito, CA
  • Average sunshine days in January: 22.1 days

The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in January
Sausalito, CA

Average UV index in January - Sausalito, CA
  • Average UV index in January: 3

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

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Average cloud cover in January
Sausalito, CA

Average cloud cover in January - Sausalito, CA
  • Average cloud cover in January: 34

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 January
Sausalito, CA

Average visibility in January - Sausalito, 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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