Seattle weather in November
In November, Seattle sees average daytime highs of 50°F and overnight lows near 42°F, with 7.6 in of precipitation across 18 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 47°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 Seattle's 10th-clearest and 1st-windiest month. For the whole year in context, see Seattle's year-round climate.
- Daytime high
- 50°
- 9th warmest
- Overnight low
- 42°
- 5th coldest
- Precipitation
- 7.6 in
- 18 wet days
- Daylight
- 9 hours
- 7:24 AM – 4:26 PM
- Cloud cover
- 74%
- 10th clearest
- Wind
- 7 mph
- 1st windiest
- Solar energy
- 1.2 kWh/m²
- Travel score
- 1.9
- out of 10
Seattle is city in and county seat of King County, State of Washington, United States.
- Density
- 2,114/km²
- people per km²
- Founded
- 1851
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 47°F by the end.
A typical November day in Seattle reaches about 50°F in the afternoon and slips back to 42°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 45°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) | 54 | 54 | 53 | 53 | 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 | 47 |
| Avg low (°F) | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 54 | 44 |
| 2 | 54 | 44 |
| 3 | 53 | 44 |
| 4 | 53 | 44 |
| 5 | 53 | 43 |
| 6 | 53 | 43 |
| 7 | 53 | 43 |
| 8 | 52 | 43 |
| 9 | 52 | 43 |
| 10 | 52 | 43 |
| 11 | 52 | 43 |
| 12 | 51 | 42 |
| 13 | 51 | 42 |
| 14 | 51 | 42 |
| 15 | 51 | 42 |
| 16 | 50 | 42 |
| 17 | 50 | 41 |
| 18 | 50 | 41 |
| 19 | 49 | 41 |
| 20 | 49 | 41 |
| 21 | 49 | 40 |
| 22 | 49 | 40 |
| 23 | 48 | 40 |
| 24 | 48 | 40 |
| 25 | 48 | 40 |
| 26 | 47 | 40 |
| 27 | 47 | 39 |
| 28 | 47 | 39 |
| 29 | 47 | 39 |
| 30 | 47 | 39 |
Seattle 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 | 46° / 38° | 6.9 | 18.4 | 2.2 | 8.7 | 1.0 |
| Feb | 49° / 39° | 4.7 | 14.5 | 1.8 | 9.9 | 1.6 |
| Mar | 52° / 40° | 5.5 | 17.5 | 0.8 | 11.6 | 2.3 |
| Apr | 57° / 44° | 4.5 | 14.9 | 0.1 | 13.3 | 3.5 |
| May | 64° / 49° | 3.0 | 12 | 0 | 14.9 | 5.3 |
| Jun | 68° / 53° | 2.3 | 9.5 | 0 | 15.7 | 6.3 |
| Jul | 74° / 57° | 1.0 | 5 | 0 | 15.4 | 7.9 |
| Aug | 75° / 58° | 1.3 | 4.8 | 0 | 14.1 | 8.0 |
| Sep | 69° / 53° | 2.6 | 8.4 | 0 | 12.4 | 6.8 |
| Oct | 59° / 47° | 5.3 | 14.1 | 0 | 10.6 | 4.2 |
| Nov | 50° / 42° | 7.6 | 18 | 0.6 | 9.1 | 1.9 |
| Dec | 45° / 38° | 7.0 | 17.6 | 2.1 | 8.3 | 0.8 |
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 10% of November, with mostly cloudy or overcast conditions the remaining 74%.
| 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 (%) | 31 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 24 | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 27 |
| Cloudier (%) | 69 | 69 | 70 | 70 | 71 | 72 | 73 | 74 | 74 | 74 | 74 | 76 | 76 | 76 | 75 | 75 | 76 | 77 | 77 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 73 | 73 | 73 | 73 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 31 | 69 |
| 2 | 31 | 69 |
| 3 | 30 | 70 |
| 4 | 30 | 70 |
| 5 | 29 | 71 |
| 6 | 28 | 72 |
| 7 | 27 | 73 |
| 8 | 26 | 74 |
| 9 | 26 | 74 |
| 10 | 26 | 74 |
| 11 | 26 | 74 |
| 12 | 24 | 76 |
| 13 | 24 | 76 |
| 14 | 24 | 76 |
| 15 | 25 | 75 |
| 16 | 25 | 75 |
| 17 | 24 | 76 |
| 18 | 23 | 77 |
| 19 | 23 | 77 |
| 20 | 23 | 77 |
| 21 | 24 | 76 |
| 22 | 24 | 76 |
| 23 | 25 | 75 |
| 24 | 25 | 75 |
| 25 | 25 | 75 |
| 26 | 25 | 75 |
| 27 | 27 | 73 |
| 28 | 27 | 73 |
| 29 | 27 | 73 |
| 30 | 27 | 73 |
Chance of precipitation in November
Seattle gets around 7.6 in of rain and snow over 18 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 59% and peaks near 62% on the wettest days, and about 1 day brings snow.
| 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 | 54 | 55 | 55 | 56 | 57 | 57 | 58 | 58 | 58 | 59 | 59 | 59 | 60 | 60 | 60 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 58 | 58 |
| Snow chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 54 | 0 |
| 2 | 54 | 0 |
| 3 | 55 | 0 |
| 4 | 55 | 0 |
| 5 | 56 | 0 |
| 6 | 57 | 0 |
| 7 | 57 | 0 |
| 8 | 58 | 0 |
| 9 | 58 | 0 |
| 10 | 58 | 1 |
| 11 | 59 | 1 |
| 12 | 59 | 1 |
| 13 | 59 | 1 |
| 14 | 60 | 1 |
| 15 | 60 | 1 |
| 16 | 60 | 2 |
| 17 | 61 | 2 |
| 18 | 61 | 2 |
| 19 | 62 | 3 |
| 20 | 62 | 3 |
| 21 | 62 | 3 |
| 22 | 62 | 4 |
| 23 | 62 | 4 |
| 24 | 61 | 4 |
| 25 | 61 | 4 |
| 26 | 60 | 5 |
| 27 | 60 | 5 |
| 28 | 59 | 5 |
| 29 | 58 | 5 |
| 30 | 58 | 5 |
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 (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
Wind in November
Winds average 7 mph in November, the windiest month of the year.
Across November, daily wind ranges from about 6 mph on the calmest days to 7 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | 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 7:01 AM to 7:43 AM, and sunset from 4:45 PM to 4:15 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 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.0 | 9.0 | 8.9 | 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) | 7:01 | 7:03 | 7:04 | 7:06 | 7:07 | 7:09 | 7:10 | 7:12 | 7:13 | 7:15 | 7:16 | 7:18 | 7:19 | 7:21 | 7:22 | 7:24 | 7:25 | 7:27 | 7:28 | 7:29 | 7:31 | 7:32 | 7:34 | 7:35 | 7:36 | 7:38 | 7:39 | 7:40 | 7:41 | 7:43 |
| Sunset (PM) | 4:45 | 4:43 | 4:42 | 4:40 | 4:39 | 4:38 | 4:36 | 4:35 | 4:34 | 4:32 | 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 | 4:17 | 4:16 | 4:15 | 4:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.7 | 7:01 | 4:45 |
| 2 | 9.7 | 7:03 | 4:43 |
| 3 | 9.6 | 7:04 | 4:42 |
| 4 | 9.6 | 7:06 | 4:40 |
| 5 | 9.5 | 7:07 | 4:39 |
| 6 | 9.5 | 7:09 | 4:38 |
| 7 | 9.4 | 7:10 | 4:36 |
| 8 | 9.4 | 7:12 | 4:35 |
| 9 | 9.3 | 7:13 | 4:34 |
| 10 | 9.3 | 7:15 | 4:32 |
| 11 | 9.2 | 7:16 | 4:31 |
| 12 | 9.2 | 7:18 | 4:30 |
| 13 | 9.2 | 7:19 | 4:29 |
| 14 | 9.1 | 7:21 | 4:28 |
| 15 | 9.1 | 7:22 | 4:27 |
| 16 | 9.0 | 7:24 | 4:26 |
| 17 | 9.0 | 7:25 | 4:25 |
| 18 | 8.9 | 7:27 | 4:24 |
| 19 | 8.9 | 7:28 | 4:23 |
| 20 | 8.9 | 7:29 | 4:22 |
| 21 | 8.8 | 7:31 | 4:21 |
| 22 | 8.8 | 7:32 | 4:20 |
| 23 | 8.8 | 7:34 | 4:19 |
| 24 | 8.7 | 7:35 | 4:18 |
| 25 | 8.7 | 7:36 | 4:18 |
| 26 | 8.7 | 7:38 | 4:17 |
| 27 | 8.6 | 7:39 | 4:17 |
| 28 | 8.6 | 7:40 | 4:16 |
| 29 | 8.6 | 7:41 | 4:15 |
| 30 | 8.5 | 7:43 | 4:15 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 1.2 kWh/m².
For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 6.14 kWh/m² in July across the year — November's 1.2 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) | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.4 | 1.4 | 1.4 | 1.4 | 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 | 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 | 1.6 | Dim |
| 2 | 1.6 | Dim |
| 3 | 1.6 | Dim |
| 4 | 1.5 | Dim |
| 5 | 1.5 | Dim |
| 6 | 1.4 | 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 | 1.2 | Dim |
| 14 | 1.2 | Dim |
| 15 | 1.2 | Dim |
| 16 | 1.2 | Dim |
| 17 | 1.1 | 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 | 1.0 | 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 Seattle
In November, Seattle sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Seattle's rainy season runs October–April, when most of the year's rain falls.
Is November a good time to visit Seattle?
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 Seattle.
What to pack for Seattle in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Seattle sees daytime highs around 50°F and nights near 42°F. Pack a warm layer and rain gear. About 18 days see rain.
Sea temperature near Seattle in November
The nearest coast averages about 49°F in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 44 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 Seattle 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 Seattle 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 Seattle 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 Seattle 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 Seattle?
Seattle sits at 47.6°N, 122.3°W, 184 ft above sea level, in United States. The nearest listed city is Columbia City, 3.7 mi away.
Topography around Seattle
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Seattle.
Within 2 miles, the terrain around Seattle has only modest variations in elevation — a maximum elevation change of 482 ft around an average of 141 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,188 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,585 ft.
The land around Seattle is covered by artificial surfaces (57%) and water (25%) within 2 miles, water (41%), trees (34%) and artificial surfaces (22%) within 10 miles, and trees (73%) 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 Seattle (47.6062°, -122.3321°, elevation 184 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).