January weather forecast
Sea Ranch, CA

Share

Weather in January

January is a mild winter month in Sea Ranch, California, with an average temperature ranging between max 56.7°F (13.7°C) and min 41°F (5°C).

Temperature

January's onset sees an average high-temperature of a mild 56.7°F (13.7°C), exhibiting a slight fluctuation from the previous month. Throughout January, an average nighttime temperature of 41°F (5°C) is experienced in Sea Ranch.

Humidity

The average relative humidity in January in Sea Ranch is 75%.

Rainfall

In Sea Ranch, California, in January, it is raining for 11.1 days, with typically 3.66" (93mm) of accumulated precipitation. In Sea Ranch, during the entire year, the rain falls for 83.1 days and collects up to 21.38" (543mm) of precipitation.

Snowfall

January, March through December are months without snowfall in Sea Ranch.

Ocean temperature

In January, the average ocean temperature in Sea Ranch is 52.7°F (11.5°C).
Note: If planning to swim in 52.7°F (11.5°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.

Daylight

The average length of the day in January in Sea Ranch is 9h and 50min.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:33 pm PST.

Sunshine

The average sunshine in January is 5.7h.

UV index

In January, the average daily maximum UV index in Sea Ranch is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
[Resources]

Frequently asked questions

What are January temperatures in Sea Ranch?

In Sea Ranch, 56.7°F (13.7°C) is the average high-temperature and 41°F (5°C) is the average low-temperature during January.

What is the average humidity in January in Sea Ranch?

In January, the average relative humidity in Sea Ranch, California, is 75%.

How many days does it rain in January in Sea Ranch?

In Sea Ranch, in January, it is raining for 11.1 days, with typically 3.66" (93mm) of accumulated precipitation.

When it does not snow in Sea Ranch?

January, March through December are months without snowfall in Sea Ranch, California.

Does it snow in Sea Ranch in January?

In Sea Ranch, California, in January, it doesn't snow. In February, it regularly snows.

What is the ocean temperature in January in Sea Ranch?

In Sea Ranch, California, in January, the average water temperature is 52.7°F (11.5°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 Sea Ranch have in January?

The average day length in January in Sea Ranch, California, is 9h and 50min.

When is the sunrise / sunset in January in Sea Ranch?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 5:02 pm. On the last day of the month, in Sea Ranch, sunrise is at 7:20 am and sunset at 5:33 pm PST.

How long on average sun shines in January in Sea Ranch?

The average sunshine duration in January is 5.7h.

How high is the UV index in January in Sea Ranch?

In January, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Sea Ranch, CA

Average temperature in January - Sea Ranch, CA
  • Average high temperature in January: 56.7°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in January: 41°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

[Resources]

Average pressure in January
Sea Ranch, CA

Average pressure in January - Sea Ranch, CA
  • Average pressure in January: 30.13"Hg

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

[Resources]

Average wind speed in January
Sea Ranch, CA

Average wind speed in January - Sea Ranch, CA
  • Average wind speed in January: 5.2mph

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

[Resources]

Average humidity in January
Sea Ranch, CA

Average humidity in January - Sea Ranch, CA
  • Average humidity in January: 75%

The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and September (60%).

[Resources]

Average rainfall in January
Sea Ranch, CA

Average rainfall in January - Sea Ranch, CA
  • Average rainfall in January: 3.66"

The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days in January
Sea Ranch, CA

Average rainfall days in January - Sea Ranch, CA
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).

[Resources]

Average snowfall in January
Sea Ranch, CA

Average snowfall in January - Sea Ranch, CA
  • Average snowfall in January: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in January
Sea Ranch, CA

Average snowfall days in January - Sea Ranch, CA
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average sea temperature in January
Sea Ranch, CA

Average sea temperature in January - Sea Ranch, CA
  • Average sea temperature in January: 52.6°F

The best month for swimming (with the highest average sea temperature) is October (56°F).
The coldest month (with the lowest average sea temperature) is June (51.9°F).

[Resources]

Average daylight in January /
Average sunshine in January
Sea Ranch, CA

Average daylight in January / Average sunshine in January - Sea Ranch, CA
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

[Resources]

Average sunshine days in January
Sea Ranch, CA

Average sunshine days in January - Sea Ranch, CA
  • Average sunshine days in January: 19 days

The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (14.6 days).

[Resources]

Average UV index in January
Sea Ranch, CA

Average UV index in January - Sea Ranch, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).

[Resources]

Average cloud cover in January
Sea Ranch, CA

Average cloud cover in January - Sea Ranch, CA
  • Average cloud cover in January: 38

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).

[Resources]

Average visibility in January
Sea Ranch, CA

Average visibility in January - Sea Ranch, CA
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Sea Ranch, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location