Portland OR Monthly Weather: A Comprehensive Guide
Greetings, Readers!
Welcome to the comprehensive guide to Portland OR monthly weather. Whether you’re planning a trip, relocating, or simply curious about the weather patterns in the "Rose City," this article will provide you with all the information you need.
Portland’s Temperate Climate
Located in the Pacific Northwest, Portland enjoys a temperate climate much milder than other areas of the country at similar latitudes. The city’s proximity to the ocean influences its weather, resulting in relatively mild temperatures year-round.
Monthly Temperature Ranges
January: Average high: 45°F (7°C), average low: 34°F (1°C)
February: Average high: 48°F (9°C), average low: 35°F (2°C)
March: Average high: 54°F (12°C), average low: 38°F (3°C)
April: Average high: 61°F (16°C), average low: 43°F (6°C)
May: Average high: 67°F (19°C), average low: 48°F (9°C)
June: Average high: 73°F (23°C), average low: 53°F (12°C)
July: Average high: 79°F (26°C), average low: 59°F (15°C)
August: Average high: 78°F (26°C), average low: 58°F (14°C)
September: Average high: 72°F (22°C), average low: 52°F (11°C)
October: Average high: 62°F (17°C), average low: 44°F (7°C)
November: Average high: 52°F (11°C), average low: 39°F (4°C)
December: Average high: 46°F (8°C), average low: 35°F (2°C)
Precipitation and Sunshine
Portland is known for its steady rain, but it’s important to note that precipitation is evenly distributed throughout the year.
Monthly Precipitation
January: Average precipitation: 4.8 inches
February: Average precipitation: 4.2 inches
March: Average precipitation: 3.9 inches
April: Average precipitation: 2.7 inches
May: Average precipitation: 2.0 inches
June: Average precipitation: 1.2 inches
July: Average precipitation: 0.6 inches
August: Average precipitation: 0.7 inches
September: Average precipitation: 1.6 inches
October: Average precipitation: 3.2 inches
November: Average precipitation: 4.6 inches
December: Average precipitation: 5.1 inches
Monthly Sunshine
January: Average sunshine: 74 hours
February: Average sunshine: 105 hours
March: Average sunshine: 152 hours
April: Average sunshine: 198 hours
May: Average sunshine: 248 hours
June: Average sunshine: 279 hours
July: Average sunshine: 310 hours
August: Average sunshine: 299 hours
September: Average sunshine: 229 hours
October: Average sunshine: 159 hours
November: Average sunshine: 79 hours
December: Average sunshine: 53 hours
Seasonal Weather Patterns
Winter
Portland’s winters are generally mild, with average temperatures in the low 40s (Fahrenheit). Snowfall is infrequent, and when it does occur, it typically melts quickly. However, freezing temperatures and occasional ice storms can make driving hazardous at times.
Spring
Spring arrives in Portland with a burst of color as flowers begin to bloom. Temperatures rise into the mid-50s, with occasional showers.
Summer
Portland summers are warm but not oppressive, with temperatures in the mid-70s. The city experiences very little humidity, making it enjoyable to spend time outdoors.
Fall
Fall in Portland is a time of transition as the days get shorter and temperatures drop. The leaves turn vibrant hues of red, orange, and yellow, creating stunning autumn foliage.
Table: Portland OR Monthly Weather Data
| Month | Average High (°F) | Average Low (°F) | Average Precipitation (inches) | Average Sunshine (hours) |
|---|---|---|---|---|
| January | 45 | 34 | 4.8 | 74 |
| February | 48 | 35 | 4.2 | 105 |
| March | 54 | 38 | 3.9 | 152 |
| April | 61 | 43 | 2.7 | 198 |
| May | 67 | 48 | 2.0 | 248 |
| June | 73 | 53 | 1.2 | 279 |
| July | 79 | 59 | 0.6 | 310 |
| August | 78 | 58 | 0.7 | 299 |
| September | 72 | 52 | 1.6 | 229 |
| October | 62 | 44 | 3.2 | 159 |
| November | 52 | 39 | 4.6 | 79 |
| December | 46 | 35 | 5.1 | 53 |
Conclusion
Portland, OR offers a temperate climate year-round, with mild temperatures, moderate precipitation, and plenty of sunshine. Whether you’re planning a weekend getaway or relocating permanently, you’re sure to enjoy the weather patterns this beautiful city has to offer. Be sure to check out our other articles for more information on Portland’s neighborhoods, attractions, and events.
FAQ About Portland, OR Monthly Weather
What is the weather like in January?
- Cold and wet, with average temperatures between 31°F and 46°F. Expect frequent rain and occasional snow.
What about February?
- Similar to January, with cold temperatures (32°F-47°F) and plenty of rain or snow.
What’s March like?
- Spring begins to emerge, with milder temperatures (39°F-55°F) and decreasing precipitation.
How’s the weather in April?
- Spring blooms in full force, with temperatures ranging from 45°F to 63°F and less rainfall.
What can I expect in May?
- Warm and pleasant, with average temperatures between 52°F and 71°F. The sun shines more frequently.
What’s it like in June?
- Summer arrives, bringing warm temperatures (59°F-79°F), sunny days, and occasional showers.
How’s July?
- The warmest month, with average temperatures of 64°F to 83°F. Expect clear skies and hot, dry conditions.
What about August?
- Similar to July, with warm temperatures (63°F-82°F) and limited precipitation.
What’s the weather in September?
- Temperatures start to cool down (57°F-75°F), and rainfall increases slightly as fall approaches.
What can I expect in October?
- Fall foliage is at its peak, with temperatures ranging from 49°F to 67°F. Expect some rain and occasional wind.
