Big Sur
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Big Sur, CA

January, like December, is a moderate winter month in Big Sur, California, with average temperature fluctuating between 59.7°F (15.4°C) and 43°F (6.1°C).

Temperature

January is the coldest month, with an average high-temperature of 59.7°F (15.4°C) and an average low-temperature of 43°F (6.1°C).

Rainfall

January is the month with the most rainfall in Big Sur. Rain falls for 10.3 days and accumulates 9.1" (231.1mm) of precipitation.

Ocean temperature

In January, the average ocean temperature in Big Sur, California, is 55.4°F (13°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.

Daylight

In January, the average length of the day is 10h.

Sunshine

The average sunshine in January is 6h.

UV index

In Big Sur, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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.

What is the coldest month in Big Sur?

January is the coldest month in Big Sur, California, with an average high-temperature of 59.7°F (15.4°C) and an average low-temperature of 43°F (6.1°C).

What is the temperature in January in Big Sur?

In Big Sur, in January, the average high-temperature is 59.7°F (15.4°C), and the average low-temperature is 43°F (6.1°C).

How much does it rain in Big Sur in January?

In January, in Big Sur, California, the rain falls for 10.3 days. Throughout January, 9.1" (231.1mm) of precipitation is accumulated.

What is the rainiest month in Big Sur?

January is the month with the most rainfall. Rain falls for 10.3 days and accumulates 9.1" (231.1mm) of precipitation.

How cold is the water in January in Big Sur?

In Big Sur, California, the average seawater temperature in January is 55.4°F (13°C). Swimming in 55.4°F (13°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 Big Sur have in January?

In Big Sur, the average length of the day in January is 10h.

How long on average sun shines in January in Big Sur?

In Big Sur, California, the average sunshine in January is 6h.

What is the UV index reading in January in Big Sur?

In Big Sur, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in January - Big Sur, CA
  • Average high temperature in January: 59.7°F

The warmest month (with the highest average high temperature) is August (77.3°F).
The month with the lowest average high temperature is January (59.7°F).

  • Average low temperature in January: 42.9°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average rainfall in January - Big Sur, CA
  • Average rainfall in January: 9.1"

The wettest month (with the highest rainfall) is January (9.1").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in January - Big Sur, CA
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is February (11.2 days).
The month with the lowest number of rainy days is July (0.3 days).

Average sea temperature in January - Big Sur, CA
  • Average sea temperature in January: 55°F

Best months for swimming (with the highest average sea temperature) are August, September and October (59°F).
Coldest months (with the lowest average sea temperature) are March, April and May (54°F).

Average daylight in January / Average sunshine in January - Big Sur, CA
  • Average daylight in January: 10h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in January: 6h

Months with most sunshine are May and June (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in January - Big Sur, CA
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).