Best Time to Visit Bothell, United States
Climate guide for Bothell, United States — updated 2026
Bothell on the map · best months to visit
Bothell, United States
- Best monthsJune, July, August, September
- Avoid monthsJanuary, February, November, December
- Visit score now8/10
- Coordinates
- 47.76°, -122.21°
Plan your trip for June, July, August, September. Expect average highs near 23°C, lows near 14°C, and about 7 rainy days a month. Skip January, February, November, December when heavy rainfall sets in.
Travel score by month
Each score weighs temperature comfort, rain, humidity, and outdoor conditions. Higher is better.
Month-by-Month Recommendation
Tap any month to open its full weather page. Cards highlight score, temperature, rain, and comfort.
Poor
Poor
Poor
Fair
Great
Great
Excellent
Excellent
Great
Good
Poor
Poor
Climate normals
Compare the monthly shape of temperature highs/lows and rainfall before locking in your dates.
Monthly Temperatures
Line chart showing monthly temperatures. Jan: 8°C / 3°C . Feb: 8°C / 2°C . Mar: 11°C / 4°C . Apr: 14°C / 6°C . May: 18°C / 9°C . Jun: 21°C / 12°C . Jul: 25°C / 14°C . Aug: 25°C / 15°C . Sep: 21°C / 13°C . Oct: 15°C / 9°C . Nov: 10°C / 6°C . Dec: 7°C / 3°C .
Monthly Rainfall
Bar chart showing monthly rainfall. Jan: 184 mm. Feb: 147 mm. Mar: 129 mm. Apr: 107 mm. May: 79 mm. Jun: 70 mm. Jul: 21 mm. Aug: 31 mm. Sep: 73 mm. Oct: 151 mm. Nov: 189 mm. Dec: 205 mm.
Season by Season
Season cards explain why scores rise and fall, with a representative month picked for each.
Spring
Avg score 5.1/10Mar, Apr, May
Average highs of 14°C (57°F) with 15 rainy days per month. Climate score: 5.1/10.
This month falls at the beginning of Spring.
Weather conditions this month are less ideal compared to other times of the year. Indoor activities or shorter outings may be more comfortable.
Summer
Avg score 9.1/10Jun, Jul, Aug
Average highs of 24°C (75°F) with 7 rainy days per month. Climate score: 9.1/10.
This month falls at the beginning of Summer.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Autumn
Avg score 5.9/10Sep, Oct, Nov
Average highs of 16°C (61°F) with 15 rainy days per month. Climate score: 5.9/10.
This month falls at the beginning of Autumn.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Winter
Avg score 1.5/10Dec, Jan, Feb
Average highs of 8°C (46°F) with 18 rainy days per month. Climate score: 1.5/10.
This month falls at the middle of Winter. Cold conditions dominate the month.
Weather conditions this month are less ideal compared to other times of the year. Indoor activities or shorter outings may be more comfortable.
Frequently Asked Questions
The best months to visit Bothell are June, July, August, September, when temperatures are comfortable and rainfall is low.
Consider avoiding January, February, November, December due to heavy rainfall.
Packing depends on the season. In peak months (June, July, August, September), light layers and sun protection are typical essentials.
Yes! June earns a climate score of 8.2/10 and is one of the best months to visit Bothell. Warm conditions, with highs averaging 20.8°C (69°F). Rain falls on about 10 days this month.
Yes! July earns a climate score of 9.6/10 and is one of the best months to visit Bothell. Warm conditions, with highs averaging 24.6°C (76°F). Temperatures drop noticeably between day and night.