Bothell West in Fall
In fall (September, October and November), Bothell West sees average daytime highs around 58°F and overnight lows near 47°F, with 16.2 in of precipitation over about 41 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 69°F in early September to 47°F by late November. The sky is clear or mostly clear about 28% of the time across fall, and the air most often feels dry.
Fall is Bothell West's 2nd-best season to visit on our travel score. For the whole year in context, see Bothell West's year-round climate.
- Avg daytime high
- 58°F
- 2nd-warmest season
- Avg overnight low
- 47°F
- Precipitation
- 16.2 in
- 41 wet days
- Avg wind
- 6 mph
- Travel score
- 4.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Bothell West in Fall
Over the season highs ease from about 69°F in early September to 47°F by late November.
A typical fall day in Bothell West reaches about 58°F and drops to 47°F overnight. The warmest of the three months is September, the coolest November.
Bothell West weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 46° / 39° | 7.1 | 18.3 | 2.1 | 8.6 | 0.9 |
| Feb | 48° / 39° | 4.7 | 14.9 | 1.8 | 9.9 | 1.5 |
| Mar | 51° / 41° | 5.5 | 17.8 | 0.8 | 11.6 | 2.1 |
| Apr | 56° / 44° | 4.4 | 15.4 | 0.1 | 13.4 | 3.2 |
| May | 62° / 48° | 3.1 | 12.5 | 0 | 14.9 | 4.9 |
| Jun | 66° / 52° | 2.8 | 10.7 | 0 | 15.7 | 5.9 |
| Jul | 71° / 56° | 1.3 | 6 | 0 | 15.4 | 7.6 |
| Aug | 72° / 56° | 1.5 | 5.2 | 0 | 14.1 | 7.7 |
| Sep | 66° / 53° | 2.8 | 8.7 | 0 | 12.4 | 6.5 |
| Oct | 58° / 47° | 5.6 | 14.6 | 0 | 10.6 | 3.8 |
| Nov | 50° / 42° | 7.8 | 18.1 | 0.6 | 9.1 | 1.7 |
| Dec | 45° / 38° | 7.1 | 17.9 | 2.1 | 8.3 | 0.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 28% of the time across fall.
Chance of precipitation in Fall
Bothell West gets around 16.2 in of rain and snow over 41 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 12 min in early September to 8 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.5 kWh/m².
Hazard calendar for Bothell West
In fall, Bothell West overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Bothell West's rainy season runs October–April, when most of the year's rain falls.
Is fall a good time to visit Bothell West?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Bothell West for sightseeing.
What to pack for Bothell West in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Bothell West sees daytime highs around 58°F and nights near 47°F. Pack a warm layer and rain gear. About 41 days see rain.
Sea temperature near Bothell West in Fall
The nearest coast averages about 51°F across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 37 mi away) is warmest in August at about 53°F and coldest in February near 46°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 46 | 46 | 47 | 48 | 50 | 52 | 53 | 53 | 53 | 50 | 49 | 47 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 46 | Bracing |
| Feb | 46 | Bracing |
| Mar | 47 | Bracing |
| Apr | 48 | Bracing |
| May | 50 | Bracing |
| Jun | 52 | Bracing |
| Jul | 53 | Bracing |
| Aug | 53 | Bracing |
| Sep | 53 | Bracing |
| Oct | 50 | Bracing |
| Nov | 49 | Bracing |
| Dec | 47 | Bracing |
UV index in Bothell West in Fall
Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bothell West peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 4 | 5 | 7 | 6 | 8 | 6 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Bothell West in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Bothell West is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 10 | 12 | 12 | 13 | 11 | 10 | 20 | 18 | 11 | 7 | 6 |
| Level | Good | Good | Moderate | Good | Moderate | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 11 | Good |
| Jul | 10 | Good |
| Aug | 20 | Moderate |
| Sep | 18 | Moderate |
| Oct | 11 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Bothell West?
Bothell West sits at 47.8°N, 122.2°W, 466 ft above sea level, in United States. The nearest listed city is North Creek, 3.1 mi away.
Topography around Bothell West
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bothell West.
Within 2 miles, the terrain around Bothell West has only modest variations in elevation — a maximum elevation change of 430 ft around an average of 312 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 771 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,589 ft.
The land around Bothell West is covered by trees (70%) and artificial surfaces (26%) within 2 miles, trees (53%) and water (20%) within 10 miles, and trees (70%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bothell West (47.8053°, -122.2406°, elevation 466 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.