Yosemite National Park
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Yosemite National Park, CA

Part of Merced River in the valley below the Yosemite National Park Mountains, California, with clear blue skies
Part of Merced River in the valley below the Yosemite National Park Mountains, California, with clear blue skies
January is as cold as it gets in Yosemite, with the average low temperature around a freezing 25°F (-3.9°C). With 6.5" (165.1mm) of rain, January is the wettest month of the year as precipitation imparts dampness to the already cold days, which rarely cross 47°F (8.3°C) on the backdrop of the weak sun rays.
Cloudy skies are a regular feature of the winter as entire sunny days are rare.
January is also the snowiest as it accumulates approximately 16.2" (411.5mm) of snow, and the park closes a majority of its areas for private vehicles except for Yosemite Valley and Wawona sections. However, some visitors like to spend the beginning of the year enjoying cross-country skiing, snowboarding, and snowshoeing in Yosemite.

What is the coldest month in Yosemite National Park?

The coldest month in Yosemite National Park is January, with an average high-temperature of 47.1°F (8.4°C) and an average low-temperature of 25.5°F (-3.6°C).

What is the temperature in January in Yosemite National Park?

In Yosemite National Park, California, in January, the average high-temperature is 47.1°F (8.4°C), and the average low-temperature is 25.5°F (-3.6°C).

How much does it rain in Yosemite National Park in January?

In Yosemite National Park, California, in January, it is raining for 9 days, with typically 6.5" (165.4mm) of accumulated precipitation.

What is the rainiest month in Yosemite National Park?

The month with the most rainfall in Yosemite National Park is January when the rain falls for 9 days and typically aggregates up to 6.5" (165.4mm) of precipitation.

How much does it snow in Yosemite National Park in January?

In Yosemite National Park, in January, 16.2" (411.5mm) of snow is typically accumulated.

When does it snow the most in Yosemite National Park?

January is the month with the most snowfall in Yosemite National Park, California, with 16.2" (411.5mm) of accumulated snow.

How many hours of daylight does Yosemite National Park have in January?

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

What is the month with the least sunshine in Yosemite National Park?

January and December, with an average of 6h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Yosemite National Park?

In January, the average sunshine is 6h.

When is the lowest UV index in Yosemite National Park?

Months with the lowest UV index in Yosemite National Park, California, are January and December, with an average maximum UV index of 2.

How high is the UV index in January in Yosemite National Park?

In Yosemite National Park, California, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Yosemite National Park, CA
  • Average high temperature in January: 47.2°F

The warmest month (with the highest average high temperature) is July (89.9°F).
The month with the lowest average high temperature is January (47.2°F).

  • Average low temperature in January: 25.6°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (25.6°F).

Average rainfall in January - Yosemite National Park, CA
  • Average rainfall in January: 6.5"

The wettest month (with the highest rainfall) is January (6.5").
The driest month (with the lowest rainfall) is August (0.2").

Average rainfall days in January - Yosemite National Park, CA
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is March (10 days).
Months with the lowest number of rainy days are July and August (1 days).

Average snowfall in January - Yosemite National Park, CA
  • Average snowfall in January: 16.2"

The month with the highest snowfall is January (16.2").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in January / Average sunshine in January - Yosemite National Park, CA
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 6h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 6).

Average UV index in January - Yosemite National Park, CA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 2).