Bothell, Washington, is a thriving city located in both King and Snohomish counties in the state of Washington, USA. Situated just 20 miles northeast of Seattle, Bothell is part of the Seattle metropolitan area. This strategic location places Bothell within easy reach of the bustling urban life of Seattle while maintaining a more suburban and serene atmosphere. The city is bordered by the Sammamish River to the west, providing picturesque waterfront views and a variety of outdoor recreational opportunities.

Bothell is a part of the United States and is renowned for its robust economy, which is supported by a diverse array of businesses and educational institutions. As of the latest census, Bothell boasts a population of approximately 47,000 residents. The city covers an area of around 13.7 square miles, offering a blend of urban and suburban living.

One of the most notable institutions in Bothell is the University of Washington Bothell, which is a significant contributor to the educational and cultural landscape of the region. The city is also home to several major companies, including biotechnology firms and tech companies, reflecting its dynamic and innovative spirit. Key landmarks in Bothell include the McMenamins Anderson School, a historic school turned into a hotel and entertainment complex, and the Bothell Landing, a park that serves as a hub for community events and outdoor activities.

Climate and Weather Overview

Bothell experiences a temperate marine climate, characterized by mild, wet winters and warm, dry summers. The city’s proximity to the Pacific Ocean and the Cascade Mountains influences its weather patterns, leading to significant seasonal variations.

Average Temperature, Precipitation, and Sunny Days

Month Average High (°F) Average Low (°F) Average Precipitation (in) Average Sunny Days
January 46 36 5.4 5
February 49 36 3.5 6
March 53 38 4.0 7
April 58 41 2.8 8
May 65 47 2.2 9
June 70 52 1.8 10
July 76 55 0.7 12
August 76 55 1.0 11
September 70 50 1.7 9
October 60 44 3.5 6
November 51 39 5.7 3
December 45 35 5.9 4

Detailed Weather by Month


Weather Overview: January in Bothell is characterized by cold and wet conditions, with average high temperatures around 46°F and lows around 36°F. The city receives about 5.4 inches of precipitation, mostly in the form of rain.

Natural Disasters: January can occasionally see windstorms and flooding due to heavy rains. Snowfall is rare but possible.

Recommended Activities:

  • Indoor Activities: Visiting the Bothell Historical Museum, enjoying local coffee shops, and attending indoor concerts or theater performances.
  • Outdoor Activities: Walking along the Sammamish River Trail on dry days and exploring nearby parks with appropriate winter gear.


Weather Overview: February sees slightly warmer temperatures with average highs of 49°F and lows of 36°F. Precipitation decreases to 3.5 inches.

Natural Disasters: Similar to January, February can experience windstorms and occasional flooding.

Recommended Activities:

  • Indoor Activities: Participating in community events at the McMenamins Anderson School and exploring the Bothell Library.
  • Outdoor Activities: Early spring hikes and bird watching in local nature reserves.


Weather Overview: March brings milder weather with average highs of 53°F and lows of 38°F. The month receives about 4.0 inches of precipitation.

Natural Disasters: March can have occasional severe weather, including heavy rain and windstorms.

Recommended Activities:

  • Indoor Activities: Visiting local art galleries, attending indoor sports events, and enjoying local eateries.
  • Outdoor Activities: Spring festivals, hiking, and visiting the Bothell Landing Park.


Weather Overview: April’s weather is pleasant with average highs of 58°F and lows of 41°F. Precipitation decreases to 2.8 inches.

Natural Disasters: April is generally calm but can experience rain showers.

Recommended Activities:

  • Indoor Activities: Attending art exhibitions, community workshops, and indoor swimming.
  • Outdoor Activities: Enjoying blooming flowers in local gardens, biking, and exploring the North Creek Trail.


Weather Overview: May is warm with average highs of 65°F and lows of 47°F. The month receives about 2.2 inches of precipitation.

Natural Disasters: May can have thunderstorms, but they are generally infrequent.

Recommended Activities:

  • Indoor Activities: Attending music festivals, visiting indoor entertainment centers, and community theater.
  • Outdoor Activities: Outdoor markets, hiking, and participating in water sports on Lake Washington.


Weather Overview: June is hot with average highs of 70°F and lows of 52°F. Precipitation is around 1.8 inches, with occasional thunderstorms.

Natural Disasters: Thunderstorms are common in June, but severe weather is infrequent.

Recommended Activities:

  • Indoor Activities: Visiting museums, enjoying indoor concerts, and attending summer camps.
  • Outdoor Activities: Swimming, fishing, and enjoying local festivals and fairs.


Weather Overview: July is the hottest month with average highs of 76°F and lows of 55°F. It receives about 0.7 inches of precipitation.

Natural Disasters: Thunderstorms are frequent, with the potential for severe weather including flash floods.

Recommended Activities:

  • Indoor Activities: Enjoying air-conditioned venues like movie theaters and shopping malls.
  • Outdoor Activities: Water-based activities, visiting beaches, and attending Independence Day celebrations.


Weather Overview: August remains hot with average highs of 76°F and lows of 55°F. Precipitation is around 1.0 inch.

Natural Disasters: August can have thunderstorms and occasional heatwaves.

Recommended Activities:

  • Indoor Activities: Participating in indoor sports, visiting aquariums, and exploring science museums.
  • Outdoor Activities: Beach outings, boating, and outdoor concerts.


Weather Overview: September cools down with average highs of 70°F and lows of 50°F. The month sees about 1.7 inches of precipitation.

Natural Disasters: September is generally calm, though thunderstorms can still occur.

Recommended Activities:

  • Indoor Activities: Attending fall-themed indoor events, art classes, and community meetings.
  • Outdoor Activities: Fall festivals, visiting pumpkin patches, and enjoying nature walks.


Weather Overview: October has mild weather with average highs of 60°F and lows of 44°F. Precipitation is about 3.5 inches.

Natural Disasters: October is typically free from major natural disasters.

Recommended Activities:

  • Indoor Activities: Exploring historical museums, participating in craft fairs, and attending indoor Halloween events.
  • Outdoor Activities: Enjoying fall foliage, attending outdoor markets, and visiting local farms.


Weather Overview: November is cooler with average highs of 51°F and lows of 39°F. The month receives about 5.7 inches of precipitation.

Natural Disasters: November is generally calm but can experience occasional early winter storms.

Recommended Activities:

  • Indoor Activities: Attending Thanksgiving events, visiting indoor craft fairs, and enjoying indoor sports.
  • Outdoor Activities: Hiking in cooler weather, visiting holiday markets, and starting to prepare for winter activities.


Weather Overview: December is cold with average highs of 45°F and lows of 35°F. Precipitation is around 5.9 inches, with potential for snow.

Natural Disasters: December can see occasional snowstorms and icy conditions.

Recommended Activities:

  • Indoor Activities: Enjoying holiday-themed events, visiting shopping centers, and participating in community gatherings.
  • Outdoor Activities: Holiday light tours, winter bird watching, and attending outdoor holiday markets.

Bothell, Washington, with its varied climate and rich history, offers a range of activities and experiences throughout the year. Whether you are interested in exploring the great outdoors or enjoying cultural events, there is always something to do in this dynamic city.

Bothell, Washington Weather by Month
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