January weather forecast
Crater Lake, OR

January continues the trend in having the most quantity of snowfall with 87.4" (2220mm) in Crater Lake, Oregon, making it the month with the highest snow accumulation. The winter chill firmly establishes itself, creating a frosty atmosphere as temperatures remain low. The lake's surrounding appears rather serene with softly falling snow, encapsulating much of the outdoor lifestyle into an icy still picture. The daylight is truncated, paving the way for longer, cold nights. Traveling for leisure activities requires careful planning due to the heavy snowfall and short days.

Temperature

On the advent of January, Crater Lake's average high-temperature exhibits a minor adjustment to a still icy 34.3°F (1.3°C) from December's 33.6°F (0.9°C). Throughout January nights, Crater Lake registers an average low-temperature of 18.3°F (-7.6°C).

Rainfall

In Crater Lake, in January, it is raining for 18 days, with typically 9.41" (239mm) of accumulated precipitation. Throughout the year, there are 145.9 rainfall days, and 66.22" (1682mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through July, September through December. In Crater Lake, Oregon, in January, snow falls for 15.9 days, with typically accumulated 87.4" (2220mm) of snow. In Crater Lake, during the entire year, snow falls for 101.3 days and aggregates up to 482.48" (12255mm) of snow.

Daylight

In Crater Lake, the average length of the day in January is 9h and 28min.
On the first day of January, sunrise is at 7:39 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:19 pm PST.

Sunshine

The average sunshine in January is 4h.

UV index

In Crater Lake, Oregon, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.