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United StatesThe weather in January in Mount Rainier National Park
It's cold in January in Mount Rainier National Park with an average temperature of 6°C. Temperatures this month range from a low of 4°C to a high of 9°C. At night, you can expect temperatures between -2°C and 2°C.
Looking for sun? January isn’t a good month to be in Mount Rainier National Park. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Mount Rainier National Park, Washington. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 18°C in 2015, Mount Rainier National Park reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -5°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -13°C to a highest value of 11°C.
Precipitation and snowfall
In January, there is an average of 363 mm of precipitation, spread over 27 days. Of the total precipitation, about 391 cm falls as snow in January. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in January for Mount Rainier National Park
Click on any day in January to get detailed info about the usual weather on that day in Mount Rainier National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Mount Rainier National Park | New York | |
|---|---|---|
| Average temperature | 6°C | 5°C |
| Max. temperature | 9°C | 11°C |
| Min. temperature | -2°C | -5°C |
| Total precipitation | 363 mm | 97 mm |
| Rainy days | 27 days | 12 days |
| Total snowfall | 391 cm | 16 cm |
| Snowy days | 30 days | 8 days |
Start of January
The month of January starts in Mount Rainier National Park with cold temps, averaging around 6°C during the day and nights around 0°C.
Mid January
By mid-January, daytime temps rise to around 8°C, with nights around 2°C. There’s a high chance of precipitation during this time.
End of January
By the end of January, the average daytime temperature in Mount Rainier National Park is around 7°C, while nighttime temps are about 1°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature charts
These charts show the average temperatures in January in Mount Rainier National Park, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Mount Rainier National Park
Temperature in January in Mount Rainier National Park over the years
Precipitation charts
These charts show the average amount of precipitation in January in Mount Rainier National Park, Washington. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Mount Rainier National Park
Total precipitation in January in Mount Rainier National Park over the years
Daily Snowfall in January in Mount Rainier National Park
Snowfall in January in Mount Rainier National Park per year
Daily UV index in January in Mount Rainier National Park
This chart shows the average daily UV index in January in Mount Rainier National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Mount Rainier National Park
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Average weather in Mount Rainier National Park by month
Click on a month below to see detailed weather info for Mount Rainier National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.