Portland OR Monthly Weather: A Complete Guide

Are you planning a trip to Portland, Oregon, and want to know what weather to expect each month? Or perhaps you're a local looking to prepare for the changing seasons? This comprehensive guide provides a detailed overview of Portland's monthly weather patterns, including temperatures, precipitation, and seasonal highlights. Understanding Portland's weather will help you pack appropriately and plan the best time to visit or enjoy outdoor activities. Our analysis combines historical data with expert insights to give you the most accurate forecast.

January: Cold and Wet

January is typically the coldest and wettest month in Portland. Expect chilly temperatures and frequent rainfall. It's a good time to explore indoor attractions and cozy up in local coffee shops. — Your Ultimate Guide To Watching Thursday Night Football

Temperature

• Average high: 45°F (7°C)
• Average low: 35°F (2°C)

Precipitation

• Average rainfall: 6 inches
• Expect many rainy days, so pack waterproof gear.

Activities

• Visit the Portland Art Museum
• Explore Powell's City of Books
• Enjoy a brewery tour

February: Slightly Warmer, Still Wet

February sees a slight increase in temperature, but the rain persists. Days are still short, but you might catch a glimpse of sunshine.

Temperature

• Average high: 50°F (10°C)
• Average low: 37°F (3°C)

Precipitation

• Average rainfall: 4 inches
• Continue to expect wet conditions.

Activities

• Attend the Portland International Film Festival
• Visit the Oregon Zoo
• Explore the Lan Su Chinese Garden

March: Transitioning to Spring

March brings the first signs of spring, with blooming flowers and gradually increasing temperatures. However, rain is still common.

Temperature

• Average high: 55°F (13°C)
• Average low: 40°F (4°C)

Precipitation

• Average rainfall: 3.5 inches
• Expect a mix of sunny and rainy days.

Activities

• Visit the Wooden Shoe Tulip Farm (late March)
• Explore Washington Park
• Hike in Forest Park

April: Showers and Flowers

April is known for its showers, but also for its beautiful blooming flowers. The city comes alive with color, and outdoor activities become more appealing.

Temperature

• Average high: 60°F (16°C)
• Average low: 43°F (6°C)

Precipitation

• Average rainfall: 3 inches
• Be prepared for frequent showers.

Activities

• Visit the International Rose Test Garden
• Attend the Cherry Blossom Festival
• Explore the Hoyt Arboretum

May: Mild and Pleasant

May is one of the best months to visit Portland. The weather is mild, the flowers are in full bloom, and the city is vibrant.

Temperature

• Average high: 65°F (18°C)
• Average low: 48°F (9°C)

Precipitation

• Average rainfall: 2 inches
• Expect mostly sunny days with occasional showers.

Activities

• Visit the Portland Japanese Garden
• Explore the Saturday Market
• Attend the Rose Festival

June: Warm and Sunny

June marks the start of summer in Portland. The weather is warm and sunny, perfect for outdoor adventures.

Temperature

• Average high: 70°F (21°C)
• Average low: 52°F (11°C)

Precipitation

• Average rainfall: 1.5 inches
• Expect mostly dry and sunny conditions.

Activities

• Hike in the Columbia River Gorge
• Visit Multnomah Falls
• Attend a concert at Edgefield

July: Hot and Dry

July is the hottest and driest month in Portland. Temperatures can soar, so stay hydrated and seek shade during the hottest part of the day. — Athletic Trainer Salary: How Much Do They Make?

Temperature

• Average high: 77°F (25°C)
• Average low: 56°F (13°C)

Precipitation

• Average rainfall: 0.75 inches
• Expect very little rain.

Activities

• Swim in the Willamette River
• Attend the Oregon Brewers Festival
• Explore Mount Hood

August: Similar to July

August is similar to July, with hot and dry conditions. It's a great time for outdoor activities and enjoying the city's many parks.

Temperature

• Average high: 77°F (25°C)
• Average low: 56°F (13°C)

Precipitation

• Average rainfall: 0.8 inches
• Expect very little rain.

Activities

• Visit the Washington County Fair
• Attend MusicfestNW
• Explore Sauvie Island

September: Mild and Sunny

September is a beautiful month in Portland, with mild temperatures and sunny skies. The leaves start to change color, adding to the city's charm.

Temperature

• Average high: 72°F (22°C)
• Average low: 52°F (11°C)

Precipitation

• Average rainfall: 1.5 inches
• Expect mostly sunny days with occasional showers.

Activities

• Visit a local vineyard
• Hike in the fall foliage
• Attend the Portland Film Festival

October: Autumn Colors and Rain

October brings vibrant fall colors and an increase in rainfall. It's a great time to enjoy cozy indoor activities and admire the changing leaves.

Temperature

• Average high: 62°F (17°C)
• Average low: 46°F (8°C)

Precipitation

• Average rainfall: 3 inches
• Expect more frequent rain.

Activities

• Visit the Pittock Mansion
• Explore the Crystal Springs Rhododendron Garden
• Attend a Halloween event

November: Cool and Wet

November is cool and wet, with shorter days and fewer hours of sunshine. It's a good time to explore museums and enjoy comfort food.

Temperature

• Average high: 52°F (11°C)
• Average low: 40°F (4°C)

Precipitation

• Average rainfall: 5 inches
• Expect many rainy days.

Activities

• Visit the Oregon Museum of Science and Industry (OMSI)
• Explore the Portland Underground
• Enjoy a cozy coffee shop

December: Cold and Damp

December is the start of winter in Portland, with cold temperatures and damp conditions. Expect rain and occasional snow.

Temperature

• Average high: 45°F (7°C)
• Average low: 35°F (2°C)

Precipitation

• Average rainfall: 6 inches
• Expect frequent rainfall and possible snowfall.

Activities

• Visit the Christmas Festival of Lights
• Go ice skating at the Lloyd Center
• Enjoy a holiday concert

FAQ Section

What is the rainiest month in Portland?

The rainiest month in Portland is typically December, with an average rainfall of about 6 inches. January is also very wet, with similar rainfall amounts.

What is the driest month in Portland?

The driest months in Portland are July and August, with average rainfall of less than 1 inch each month. — Felon-Friendly Apartments Near Me: Your Guide

What is the average temperature in Portland during the summer?

During the summer months (June, July, August), the average high temperature in Portland is around 70-77°F (21-25°C), and the average low temperature is around 52-56°F (11-13°C).

Does it snow often in Portland?

Snowfall in Portland is relatively infrequent and typically light. However, it can occur, especially in December and January. Snowfall is usually short-lived.

What should I pack for a trip to Portland?

• For fall/winter: Waterproof jacket, umbrella, warm layers, waterproof shoes.
• For spring: Light jacket, umbrella, comfortable walking shoes.
• For summer: Light clothing, sunscreen, hat, sunglasses.

What are some popular outdoor activities in Portland?

Portland offers a variety of outdoor activities, including:

• Hiking in Forest Park and the Columbia River Gorge
• Visiting Multnomah Falls
• Exploring the International Rose Test Garden
• Cycling along the Willamette River

What are some indoor attractions in Portland?

Some popular indoor attractions in Portland include:

• Portland Art Museum
• Oregon Museum of Science and Industry (OMSI)
• Powell's City of Books
• Lan Su Chinese Garden

Conclusion

Portland's weather varies significantly throughout the year, from cold and wet winters to warm and sunny summers. By understanding the monthly weather patterns, you can plan your visit or activities accordingly and be prepared for whatever Mother Nature throws your way. Whether you're exploring the city's vibrant culture or enjoying the stunning natural beauty, knowing what to expect weather-wise will enhance your experience. So, pack your bags, check the forecast, and get ready to enjoy all that Portland has to offer. For the latest weather updates, be sure to check local forecasts before your trip.