Mount Rainier (WA)
January
Weather in Mount Rainier, Washington for January 2027
Your guide to Mount Rainier weather in January - trends and predictions
With an average of 2 snowy days, Mount Rainier usually enjoys a light touch of snow in January.
In general, the average temperature in Mount Rainier at the beginning of January is 6.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 10 °F by the end of January.
Mount Rainier experiences moderate rainfall in January, with an average of 7 rainy days and a total precipitation of 271.5 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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22
Dry days
7
Rainy days
2
Snow days
9°/4°
Temperatures
8 km/h
Avg max wind
69 %
Avg humidity
Mount Rainier Weather January
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Temperatures trend during January in Mount Rainier
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January weather in Mount Rainier day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 9° /3° | 0 mm | 0 cm | |
| Jan. 2 |  Moderate rain | 9° /3° | 29.8 mm | 0 cm | |
| Jan. 3 |  Moderate or heavy rain shower | 10° /8° | 14 mm | 0 cm | |
| Jan. 4 |  Thundery outbreaks possible | 8° /3° | 0 mm | 0 cm | |
| Jan. 5 |  Moderate or heavy sleet | 4° /2° | 12.2 mm | 0 cm | |
| Jan. 6 |  Light sleet | 4° /2° | 56.9 mm | 0 cm | |
| Jan. 7 | Moderate or heavy rain shower | 4° /0° | 59.3 mm | 17 cm | |
| Jan. 8 |  Moderate snow | 4° /0° | 7.7 mm | 1.7 cm | |
| Jan. 9 |  Fog | 8° /4° | 0 mm | 0 cm | |
| Jan. 10 | Overcast | 11° /7° | 0 mm | 0 cm | |
| Jan. 11 | Moderate or heavy rain shower | 9° /7° | 14.9 mm | 0 cm | |
| Jan. 12 | Overcast | 10° /9° | 0 mm | 0 cm | |
| Jan. 13 |  Cloudy | 13° /8° | 0 mm | 0 cm | |
| Jan. 14 |  Partly cloudy | 10° /6° | 0 mm | 0 cm | |
| Jan. 15 | Cloudy | 9° /4° | 0 mm | 0 cm | |
| Jan. 16 |  Sunny | 12° /2° | 0 mm | 0 cm | |
| Jan. 17 | Sunny | 13° /4° | 0 mm | 0 cm | |
| Jan. 18 | Sunny | 10° /1° | 0 mm | 0 cm | |
| Jan. 19 | Fog | 7° /0° | 0 mm | 0 cm | |
| Jan. 20 | Partly cloudy | 9° /2° | 0 mm | 0 cm | |
| Jan. 21 | Partly cloudy | 9° /2° | 0 mm | 0 cm | |
| Jan. 22 | Sunny | 6° /2° | 0 mm | 0 cm | |
| Jan. 23 | Partly cloudy | 6° /0° | 0 mm | 0 cm | |
| Jan. 24 | Sunny | 7° /0° | 0 mm | 0 cm | |
| Jan. 25 | Cloudy | 7° /3° | 0 mm | 0 cm | |
| Jan. 26 | Overcast | 8° /4° | 0 mm | 0 cm | |
| Jan. 27 | Overcast | 11° /6° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | 8° /7° | 0 mm | 0 cm | |
| Jan. 29 | Moderate rain | 9° /6° | 32.3 mm | 0 cm | |
| Jan. 30 | Moderate or heavy rain shower | 11° /8° | 44.4 mm | 0 cm | |
| Jan. 31 | Overcast | 16° /9° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Mount Rainier in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mount Rainier forecast closer to your planned date for the most up-to-date weather information.
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Mount Rainier in January - FAQ
What are the expected maximum and minimum temperatures in Mount Rainier during January?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 4°.
How much rainfall should be expected in Mount Rainier during January?
Significant rainfall exceeding 271.5 mm is expected in Mount Rainier during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Mount Rainier in January 2027?
Mount Rainier experiences an average snowfall of 18.8 cm during January, occurring over 2 days.
What are the typical wind conditions in Mount Rainier during January?
The average wind speed in Mount Rainier during January is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
Mount Rainier snow forecast January 2027
Track daily snowfall levels and discover Mount Rainier’s snowy potential this January ❄️
On average, Mount Rainier sees 2 snowy days during January, with approximately 18.8 cm of total snowfall.
January rainfall patterns in Mount Rainier
Explore the daily rainfall trends and prepare for Mount Rainiers January weather 💧
Typically, Mount Rainier has 7 rainy days in January with a total of 271.5 mm of rainfall.
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