Portland
January
Weather in Portland for January 2025
Your guide to Portland weather in January - trends and predictions
In general, the average temperature in Portland at the beginning of January is 7.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 9 °F by the end of January.
Expect significant rainfall in Portland during January, with an average of 19 rainy days.
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12
Dry days
19
Rainy days
0
Snow days
9°/-1°
Temperatures
12 km/h
Avg max wind
87 %
Avg humidity
Portland in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2  6° | 3  8° | 4 6° | 5 8° | ||
| 6 8° | 7 7° | 8 8° | 9 9° | 10 7° | 11 7° | 12 7° |
| 13 1° | 14  3° | 15 2° | 16 2° | 17 5° | 18 6° | 19 4° |
| 20  5° | 21 6° | 22 8° | 23 9° | 24 7° | 25 9° | 26 8° |
| 27 9° | 28 11° | 29  10° | 30 9° | 31 7° |
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Temperatures trend during January in Portland
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Overcast | 9° /2° | 0 mm | 0 cm | |
| Jan. 2 | Patchy rain possible | 6° /1° | 1.5 mm | 0 cm | |
| Jan. 3 | Moderate rain at times | 8° /3° | 1 mm | 0 cm | |
| Jan. 4 | Moderate or heavy rain shower | 6° /2° | 4.5 mm | 0 cm | |
| Jan. 5 | Moderate rain at times | 8° /3° | 1.8 mm | 0 cm | |
| Jan. 6 | Moderate rain at times | 8° /4° | 11 mm | 0 cm | |
| Jan. 7 | Moderate rain at times | 7° /4° | 4.8 mm | 0 cm | |
| Jan. 8 | Moderate or heavy rain shower | 8° /3° | 14.6 mm | 0 cm | |
| Jan. 9 | Moderate or heavy rain shower | 9° /3° | 15.3 mm | 0 cm | |
| Jan. 10 | Overcast | 7° /2° | 4.4 mm | 0 cm | |
| Jan. 11 | Moderate or heavy rain shower | 7° /2° | 8.5 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 7° /-1° | 18.1 mm | 2.8 cm | |
| Jan. 13 | Moderate rain at times | 1° /-3° | 15.3 mm | 9.1 cm | |
| Jan. 14 | Heavy rain at times | 3° /-3° | 3.3 mm | 0.1 cm | |
| Jan. 15 | Heavy rain at times | 2° /-4° | 10 mm | 0 cm | |
| Jan. 16 | Moderate rain at times | 2° /-5° | 3.3 mm | 0 cm | |
| Jan. 17 | Patchy rain possible | 5° /-1° | 5.5 mm | 0 cm | |
| Jan. 18 | Moderate or heavy rain shower | 6° /1° | 21.5 mm | 0 cm | |
| Jan. 19 | Patchy rain possible | 4° /0° | 1.4 mm | 0 cm | |
| Jan. 20 | Partly cloudy | 5° /-1° | 0 mm | 0 cm | |
| Jan. 21 | Moderate rain at times | 6° /0° | 10.5 mm | 0 cm | |
| Jan. 22 | Patchy rain possible | 8° /2° | 4.7 mm | 0 cm | |
| Jan. 23 | Overcast | 9° /3° | 4 mm | 0 cm | |
| Jan. 24 | Overcast | 7° /3° | 5.2 mm | 0 cm | |
| Jan. 25 | Overcast | 9° /4° | 1.9 mm | 0 cm | |
| Jan. 26 | Overcast | 8° /3° | 5 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 9° /5° | 6.1 mm | 0 cm | |
| Jan. 28 | Moderate rain at times | 11° /5° | 6.4 mm | 0 cm | |
| Jan. 29 | Sunny | 10° /3° | 0 mm | 0 cm | |
| Jan. 30 | Partly cloudy | 9° /3° | 0.5 mm | 0 cm | |
| Jan. 31 | Overcast | 7° /4° | 2.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Portland 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 Portland forecast closer to your planned date for the most up-to-date weather information.
Portland in January - FAQ
What are the expected maximum and minimum temperatures in Portland during January?
Prepare for cooler days with highs just around 9° and colder nights, dipping below -1°.
How much rainfall should be expected in Portland during January?
Significant rainfall exceeding 385.4 mm is expected in Portland during January, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Portland during January?
Portland experiences an average snowfall of 24 cm during January, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Portland during January?
The average wind speed in Portland during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands January weather 💧
January snowfall in Portland
Track daily snowfall levels and discover Portland’s snowy potential this January ❄️
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