West Lake Sammamish weather in November
In November, West Lake Sammamish sees average daytime highs of 49°F and overnight lows near 38°F, with 9.0 in of precipitation across 18.7 wet days and about 9.1 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.
Highs ease over the month, from about 53°F in the first days to 46°F by the end. The sky is clear or mostly clear about 16% of the time in November, and the air most often feels dry.
Daylight stretches from about 9 h 42 min at the start of November to 8 h 30 min by month's end. Set against the rest of the year, November is West Lake Sammamish's 10th-clearest and 3rd-windiest month. For the whole year in context, see West Lake Sammamish's year-round climate.
- Daytime high
- 49°
- 9th warmest
- Overnight low
- 38°
- 5th coldest
- Precipitation
- 9.0 in
- 18.7 wet days
- Daylight
- 9 hours
- 7:23 AM – 4:25 PM
- Cloud cover
- 75%
- 10th clearest
- Wind
- 6 mph
- 3rd windiest
- Solar energy
- 1.21 kWh/m²
- Travel score
- 1.6
- out of 10
West Lake Sammamish is census designated place.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Highs ease over the month, from about 53°F in the first days to 46°F by the end.
A typical November day in West Lake Sammamish reaches about 49°F in the afternoon and slips back to 38°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 43°F and 56°F. Set against its neighbours, November runs about 9°F cooler than October and about 5°F warmer than December.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 |
| Avg low (°F) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 35 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 53 | 40 |
| 2 | 53 | 40 |
| 3 | 53 | 40 |
| 4 | 52 | 40 |
| 5 | 52 | 40 |
| 6 | 52 | 40 |
| 7 | 52 | 40 |
| 8 | 51 | 39 |
| 9 | 51 | 39 |
| 10 | 51 | 39 |
| 11 | 51 | 39 |
| 12 | 50 | 39 |
| 13 | 50 | 39 |
| 14 | 50 | 39 |
| 15 | 49 | 38 |
| 16 | 49 | 38 |
| 17 | 49 | 38 |
| 18 | 49 | 38 |
| 19 | 48 | 38 |
| 20 | 48 | 37 |
| 21 | 48 | 37 |
| 22 | 47 | 37 |
| 23 | 47 | 37 |
| 24 | 47 | 36 |
| 25 | 47 | 36 |
| 26 | 46 | 36 |
| 27 | 46 | 36 |
| 28 | 46 | 36 |
| 29 | 46 | 36 |
| 30 | 46 | 35 |
How November really feels in West Lake Sammamish
Once humidity and wind are folded in, November averages 0 days that feel above 90°F and 9 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in November is cold — wind chill drags the overnight "feels like" below the raw low.
West Lake Sammamish weather by month
How November compares with the rest of the year at a glance. November is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 45° / 35° | 8.3 | 18.7 | 3.6 | 8.7 | 0.8 |
| Feb | 48° / 36° | 5.8 | 15.5 | 2.6 | 9.9 | 1.5 |
| Mar | 52° / 37° | 6.5 | 18.7 | 1.8 | 11.6 | 2.2 |
| Apr | 57° / 41° | 5.4 | 16.5 | 0.2 | 13.3 | 3.4 |
| May | 63° / 46° | 3.8 | 12.8 | 0 | 14.9 | 5.1 |
| Jun | 67° / 50° | 3.2 | 11.4 | 0 | 15.7 | 5.9 |
| Jul | 74° / 54° | 1.3 | 6.5 | 0 | 15.4 | 7.7 |
| Aug | 74° / 54° | 1.6 | 5.7 | 0 | 14.1 | 7.9 |
| Sep | 68° / 49° | 3.4 | 9 | 0 | 12.4 | 6.6 |
| Oct | 58° / 43° | 6.6 | 15.1 | 0 | 10.6 | 3.9 |
| Nov | 49° / 38° | 9.0 | 18.7 | 1 | 9.1 | 1.6 |
| Dec | 44° / 35° | 8.1 | 18.4 | 3.4 | 8.3 | 0.6 |
Cloud cover in November
The sky is clear or mostly clear about 16% of the time in November.
Beyond those clear spells, partly cloudy skies cover about 9% of November, with mostly cloudy or overcast conditions the remaining 75%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 30 | 30 | 29 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 26 | 26 | 26 | 26 |
| Cloudier (%) | 70 | 70 | 71 | 73 | 73 | 73 | 74 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 76 | 76 | 74 | 74 | 74 | 74 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 30 | 70 |
| 2 | 30 | 70 |
| 3 | 29 | 71 |
| 4 | 27 | 73 |
| 5 | 27 | 73 |
| 6 | 27 | 73 |
| 7 | 26 | 74 |
| 8 | 25 | 75 |
| 9 | 25 | 75 |
| 10 | 24 | 76 |
| 11 | 24 | 76 |
| 12 | 24 | 76 |
| 13 | 24 | 76 |
| 14 | 24 | 76 |
| 15 | 22 | 78 |
| 16 | 22 | 78 |
| 17 | 22 | 78 |
| 18 | 22 | 78 |
| 19 | 22 | 78 |
| 20 | 22 | 78 |
| 21 | 22 | 78 |
| 22 | 22 | 78 |
| 23 | 23 | 77 |
| 24 | 23 | 77 |
| 25 | 24 | 76 |
| 26 | 24 | 76 |
| 27 | 26 | 74 |
| 28 | 26 | 74 |
| 29 | 26 | 74 |
| 30 | 26 | 74 |
Chance of precipitation in November
West Lake Sammamish gets around 9.0 in of rain and snow over 18.7 wet days in November, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 61% and peaks near 65% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 54 | 55 | 55 | 56 | 57 | 57 | 58 | 59 | 60 | 60 | 61 | 62 | 62 | 63 | 63 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 62 | 61 | 61 | 60 |
| Snow chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 54 | 0 |
| 2 | 55 | 0 |
| 3 | 55 | 0 |
| 4 | 56 | 0 |
| 5 | 57 | 0 |
| 6 | 57 | 0 |
| 7 | 58 | 1 |
| 8 | 59 | 1 |
| 9 | 60 | 1 |
| 10 | 60 | 1 |
| 11 | 61 | 1 |
| 12 | 62 | 2 |
| 13 | 62 | 2 |
| 14 | 63 | 2 |
| 15 | 63 | 3 |
| 16 | 64 | 3 |
| 17 | 64 | 3 |
| 18 | 64 | 4 |
| 19 | 65 | 4 |
| 20 | 65 | 5 |
| 21 | 65 | 5 |
| 22 | 65 | 6 |
| 23 | 65 | 6 |
| 24 | 64 | 7 |
| 25 | 64 | 7 |
| 26 | 63 | 7 |
| 27 | 62 | 7 |
| 28 | 61 | 7 |
| 29 | 61 | 8 |
| 30 | 60 | 8 |
Humidity in November
Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
Wind in November
Winds average 6 mph in November.
Across November, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in November
Daylight runs from about 9 h 42 min at the start of November to 8 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over November. Sunrise moves from 7:00 AM to 7:41 AM, and sunset from 4:44 PM to 4:14 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.7 | 9.7 | 9.6 | 9.6 | 9.5 | 9.5 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.1 | 9.1 | 9.0 | 9.0 | 9.0 | 8.9 | 8.9 | 8.8 | 8.8 | 8.8 | 8.7 | 8.7 | 8.7 | 8.6 | 8.6 | 8.6 | 8.5 |
| Sunrise (AM) | 7:00 | 7:02 | 7:03 | 7:05 | 7:06 | 7:08 | 7:09 | 7:11 | 7:12 | 7:14 | 7:15 | 7:17 | 7:18 | 7:20 | 7:21 | 7:23 | 7:24 | 7:26 | 7:27 | 7:28 | 7:30 | 7:31 | 7:32 | 7:34 | 7:35 | 7:36 | 7:38 | 7:39 | 7:40 | 7:41 |
| Sunset (PM) | 4:44 | 4:42 | 4:41 | 4:39 | 4:38 | 4:37 | 4:35 | 4:34 | 4:33 | 4:31 | 4:30 | 4:29 | 4:28 | 4:27 | 4:26 | 4:25 | 4:24 | 4:23 | 4:22 | 4:21 | 4:20 | 4:19 | 4:18 | 4:18 | 4:17 | 4:16 | 4:16 | 4:15 | 4:15 | 4:14 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.7 | 7:00 | 4:44 |
| 2 | 9.7 | 7:02 | 4:42 |
| 3 | 9.6 | 7:03 | 4:41 |
| 4 | 9.6 | 7:05 | 4:39 |
| 5 | 9.5 | 7:06 | 4:38 |
| 6 | 9.5 | 7:08 | 4:37 |
| 7 | 9.4 | 7:09 | 4:35 |
| 8 | 9.4 | 7:11 | 4:34 |
| 9 | 9.3 | 7:12 | 4:33 |
| 10 | 9.3 | 7:14 | 4:31 |
| 11 | 9.3 | 7:15 | 4:30 |
| 12 | 9.2 | 7:17 | 4:29 |
| 13 | 9.2 | 7:18 | 4:28 |
| 14 | 9.1 | 7:20 | 4:27 |
| 15 | 9.1 | 7:21 | 4:26 |
| 16 | 9.0 | 7:23 | 4:25 |
| 17 | 9.0 | 7:24 | 4:24 |
| 18 | 9.0 | 7:26 | 4:23 |
| 19 | 8.9 | 7:27 | 4:22 |
| 20 | 8.9 | 7:28 | 4:21 |
| 21 | 8.8 | 7:30 | 4:20 |
| 22 | 8.8 | 7:31 | 4:19 |
| 23 | 8.8 | 7:32 | 4:18 |
| 24 | 8.7 | 7:34 | 4:18 |
| 25 | 8.7 | 7:35 | 4:17 |
| 26 | 8.7 | 7:36 | 4:16 |
| 27 | 8.6 | 7:38 | 4:16 |
| 28 | 8.6 | 7:39 | 4:15 |
| 29 | 8.6 | 7:40 | 4:15 |
| 30 | 8.5 | 7:41 | 4:14 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 1.21 kWh/m².
For context, solar energy here swings from a low near 0.9 kWh/m² to a high of 6.18 kWh/m² in July across the year — November's 1.21 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.7 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.2 | 1.2 | 1.2 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.7 | Dim |
| 2 | 1.6 | Dim |
| 3 | 1.6 | Dim |
| 4 | 1.6 | Dim |
| 5 | 1.5 | Dim |
| 6 | 1.5 | Dim |
| 7 | 1.4 | Dim |
| 8 | 1.4 | Dim |
| 9 | 1.4 | Dim |
| 10 | 1.3 | Dim |
| 11 | 1.3 | Dim |
| 12 | 1.3 | Dim |
| 13 | 1.3 | Dim |
| 14 | 1.2 | Dim |
| 15 | 1.2 | Dim |
| 16 | 1.2 | Dim |
| 17 | 1.2 | Dim |
| 18 | 1.1 | Dim |
| 19 | 1.1 | Dim |
| 20 | 1.1 | Dim |
| 21 | 1.1 | Dim |
| 22 | 1.1 | Dim |
| 23 | 1.1 | Dim |
| 24 | 1.1 | Dim |
| 25 | 1.0 | Dim |
| 26 | 1.0 | Dim |
| 27 | 1.0 | Dim |
| 28 | 1.0 | Dim |
| 29 | 1.0 | Dim |
| 30 | 1.0 | Dim |
Hazard calendar for West Lake Sammamish
In November, West Lake Sammamish sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
West Lake Sammamish's rainy season runs October–April, when most of the year's rain falls.
Is November a good time to visit West Lake Sammamish?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a weaker month for outdoor sightseeing in West Lake Sammamish.
What to pack for West Lake Sammamish in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, West Lake Sammamish sees daytime highs around 49°F and nights near 38°F. Pack a warm layer and rain gear. About 19 days see rain.
UV index in West Lake Sammamish in November
Clear-sky midday UV in November peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in West Lake Sammamish 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 17 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 West Lake Sammamish in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in West Lake Sammamish is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 7 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 | 9 | 12 | 12 | 11 | 10 | 10 | 18 | 22 | 12 | 8 | 7 |
| Level | Good | Good | Moderate | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 11 | Good |
| Jun | 10 | Good |
| Jul | 10 | Good |
| Aug | 18 | Moderate |
| Sep | 22 | Moderate |
| Oct | 12 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is West Lake Sammamish?
West Lake Sammamish sits at 47.6°N, 122.1°W, 30 ft above sea level, in United States. The nearest listed city is City of Sammamish, 3.7 mi away.
Topography around West Lake Sammamish
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of West Lake Sammamish.
Within 2 miles, the terrain around West Lake Sammamish has significant variations in elevation — a maximum elevation change of 1,076 ft around an average of 272 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,005 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,695 ft.
The land around West Lake Sammamish is covered by trees (52%) and water (32%) within 2 miles, trees (66%) within 10 miles, and trees (76%) 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 West Lake Sammamish (47.5776°, -122.1012°, elevation 30 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).