Bothell West in Summer

In summer (June, July and August), Bothell West sees average daytime highs around 70°F and overnight lows near 55°F, with 5.6 in of rain over about 22 wet days across the season. It is the warmest season of the year and the driest season of the year.

Over the season highs climb from about 64°F in early June to 70°F by late August. The sky is clear or mostly clear about 40% of the time across summer, and the air most often feels dry.

Summer is Bothell West's best season of the year to visit on our travel score. For the whole year in context, see Bothell West's year-round climate.

Avg daytime high
70°F
warmest season of the year
Avg overnight low
55°F
Rainfall
5.6 in
22 wet days
Avg wind
5 mph
Travel score
7.1
best season of the year
Months
Jun · Jul · Aug

Temperature in Bothell West in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 64°F in early June to 70°F by late August.

A typical summer day in Bothell West reaches about 70°F and drops to 55°F overnight. The warmest of the three months is August, the coolest June.

40°50°60°70°80°JunJulAug

Bothell West weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 39°7.118.32.18.60.9
Feb48° / 39°4.714.91.89.91.5
Mar51° / 41°5.517.80.811.62.1
Apr56° / 44°4.415.40.113.43.2
May62° / 48°3.112.5014.94.9
Jun66° / 52°2.810.7015.75.9
Jul71° / 56°1.36015.47.6
Aug72° / 56°1.55.2014.17.7
Sep66° / 53°2.88.7012.46.5
Oct58° / 47°5.614.6010.63.8
Nov50° / 42°7.818.10.69.11.7
Dec45° / 38°7.117.92.18.30.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Bothell West gets around 5.6 in of rain over 22 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 5 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 15 h 30 min in early June to 13 h 18 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.6 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Bothell West

In seasonPeak

None of Bothell West's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Bothell West's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Bothell West?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.1
Sightseeing
1st-best month of the year
4.4
Beach & pool
1st-best month of the year

summer is one of the better times to visit Bothell West for general sightseeing.

What to pack for Bothell West in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Bothell West sees daytime highs around 70°F and nights near 55°F. Pack sun protection. Worth having: light clothes and rain gear. About 22 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Bothell West in Summer

The nearest coast averages about 53°F across summer — 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.

45°50°55°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°F)Comfort
Jan46Bracing
Feb46Bracing
Mar47Bracing
Apr48Bracing
May50Bracing
Jun52Bracing
Jul53Bracing
Aug53Bracing
Sep53Bracing
Oct50Bracing
Nov49Bracing
Dec47Bracing

UV index in Bothell West in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Bothell West in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodModerateGoodAug 2119 µg/m³Dec 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Good
May13Moderate
Jun11Good
Jul10Good
Aug20Moderate
Sep18Moderate
Oct11Good
Nov7Good
Dec6Good
Location & terrain

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.

2 miles
430 ft
10 miles
771 ft
50 miles
7,589 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: North Creek 3.1 mi · Martha Lake 3.1 mi · Mill Creek East 3.1 mi · Kenmore 3.1 mi · Mountlake Terrace 3.1 mi · Bothell 3.1 mi · Lynnwood 3.7 mi · Mill Creek 4.3 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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.