Issaquah weather in January
In January, Issaquah sees average daytime highs of 45°F and overnight lows near 35°F, with 8.3 in of precipitation across 18.7 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.
Highs climb over the month, from about 44°F in the first days to 47°F by the end. The sky is clear or mostly clear about 15% of the time in January, and the air most often feels dry.
Daylight stretches from about 8 h 18 min at the start of January to 9 h 12 min by month's end. Set against the rest of the year, January is Issaquah's 11th-clearest and 2nd-windiest month. For the whole year in context, see Issaquah's year-round climate.
- Daytime high
- 45°
- 11th warmest
- Overnight low
- 35°
- 2nd coldest
- Precipitation
- 8.3 in
- 18.7 wet days
- Daylight
- 8 h 36 min
- 7:58 AM – 4:37 PM
- Cloud cover
- 76%
- 11th clearest
- Wind
- 6 mph
- 2nd windiest
- Solar energy
- 1.04 kWh/m²
- Travel score
- 0.8
- out of 10
Issaquah is city in King County, Washington, United States.
- Density
- 1,222/km²
- people per km²
- Founded
- 1892
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Highs climb over the month, from about 44°F in the first days to 47°F by the end.
A typical January day in Issaquah reaches about 45°F in the afternoon and slips back to 35°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 37°F and 52°F. Set against its neighbours, January runs on par with December and about 3°F cooler than February.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 47 |
| Avg low (°F) | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 44 | 34 |
| 2 | 44 | 35 |
| 3 | 44 | 35 |
| 4 | 44 | 35 |
| 5 | 44 | 35 |
| 6 | 44 | 35 |
| 7 | 44 | 35 |
| 8 | 44 | 35 |
| 9 | 44 | 35 |
| 10 | 44 | 35 |
| 11 | 44 | 35 |
| 12 | 45 | 35 |
| 13 | 45 | 35 |
| 14 | 45 | 35 |
| 15 | 45 | 35 |
| 16 | 45 | 35 |
| 17 | 45 | 35 |
| 18 | 45 | 35 |
| 19 | 46 | 36 |
| 20 | 46 | 36 |
| 21 | 46 | 36 |
| 22 | 46 | 36 |
| 23 | 46 | 36 |
| 24 | 46 | 36 |
| 25 | 46 | 36 |
| 26 | 46 | 36 |
| 27 | 46 | 36 |
| 28 | 47 | 36 |
| 29 | 47 | 36 |
| 30 | 47 | 36 |
| 31 | 47 | 36 |
How January really feels in Issaquah
Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in January is cold — wind chill drags the overnight "feels like" below the raw low.
Issaquah weather by month
How January compares with the rest of the year at a glance. January is the 11th-warmest and 2nd-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 January
The sky is clear or mostly clear about 15% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 76%.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Cloudier (%) | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 24 | 76 |
| 2 | 24 | 76 |
| 3 | 24 | 76 |
| 4 | 24 | 76 |
| 5 | 24 | 76 |
| 6 | 24 | 76 |
| 7 | 24 | 76 |
| 8 | 24 | 76 |
| 9 | 23 | 77 |
| 10 | 24 | 76 |
| 11 | 24 | 76 |
| 12 | 24 | 76 |
| 13 | 24 | 76 |
| 14 | 24 | 76 |
| 15 | 24 | 76 |
| 16 | 24 | 76 |
| 17 | 24 | 76 |
| 18 | 24 | 76 |
| 19 | 25 | 75 |
| 20 | 25 | 75 |
| 21 | 24 | 76 |
| 22 | 24 | 76 |
| 23 | 24 | 76 |
| 24 | 24 | 76 |
| 25 | 24 | 76 |
| 26 | 24 | 76 |
| 27 | 24 | 76 |
| 28 | 24 | 76 |
| 29 | 24 | 76 |
| 30 | 24 | 76 |
| 31 | 24 | 76 |
Chance of precipitation in January
Issaquah gets around 8.3 in of rain and snow over 18.7 wet days in January. 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 61% on the wettest days, and about 4 days bring 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 60 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 58 | 58 |
| Snow chance (%) | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 60 | 15 |
| 2 | 61 | 15 |
| 3 | 61 | 15 |
| 4 | 61 | 15 |
| 5 | 61 | 15 |
| 6 | 61 | 14 |
| 7 | 61 | 14 |
| 8 | 61 | 14 |
| 9 | 61 | 14 |
| 10 | 60 | 14 |
| 11 | 60 | 14 |
| 12 | 60 | 13 |
| 13 | 60 | 13 |
| 14 | 59 | 13 |
| 15 | 59 | 12 |
| 16 | 59 | 12 |
| 17 | 58 | 11 |
| 18 | 58 | 11 |
| 19 | 58 | 11 |
| 20 | 58 | 10 |
| 21 | 58 | 10 |
| 22 | 59 | 10 |
| 23 | 59 | 9 |
| 24 | 59 | 9 |
| 25 | 59 | 8 |
| 26 | 59 | 8 |
| 27 | 59 | 8 |
| 28 | 59 | 8 |
| 29 | 59 | 8 |
| 30 | 58 | 8 |
| 31 | 58 | 8 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 |
| 31 | 100 |
Wind in January
Winds average 6 mph in January.
Across January, daily wind ranges from about 6 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 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 | 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 | 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 | 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 |
| 31 | 6 | calm |
Sunrise & sunset in January
Daylight runs from about 8 h 18 min at the start of January to 9 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 54 minutes over January. Sunrise moves from 8:02 AM to 7:45 AM, and sunset from 4:20 PM to 4:58 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 8.3 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.5 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 9.0 | 9.0 | 9.0 | 9.1 | 9.1 | 9.2 | 9.2 |
| Sunrise (AM) | 8:02 | 8:02 | 8:02 | 8:02 | 8:02 | 8:02 | 8:02 | 8:02 | 8:01 | 8:01 | 8:01 | 8:00 | 8:00 | 7:59 | 7:59 | 7:58 | 7:58 | 7:57 | 7:56 | 7:56 | 7:55 | 7:54 | 7:53 | 7:52 | 7:51 | 7:50 | 7:49 | 7:48 | 7:47 | 7:46 | 7:45 |
| Sunset (PM) | 4:20 | 4:21 | 4:22 | 4:23 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:30 | 4:32 | 4:33 | 4:34 | 4:35 | 4:37 | 4:38 | 4:39 | 4:41 | 4:42 | 4:43 | 4:45 | 4:46 | 4:47 | 4:49 | 4:50 | 4:52 | 4:53 | 4:55 | 4:56 | 4:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 8.3 | 8:02 | 4:20 |
| 2 | 8.3 | 8:02 | 4:21 |
| 3 | 8.3 | 8:02 | 4:22 |
| 4 | 8.3 | 8:02 | 4:23 |
| 5 | 8.4 | 8:02 | 4:24 |
| 6 | 8.4 | 8:02 | 4:25 |
| 7 | 8.4 | 8:02 | 4:26 |
| 8 | 8.4 | 8:02 | 4:27 |
| 9 | 8.4 | 8:01 | 4:28 |
| 10 | 8.5 | 8:01 | 4:29 |
| 11 | 8.5 | 8:01 | 4:30 |
| 12 | 8.5 | 8:00 | 4:32 |
| 13 | 8.5 | 8:00 | 4:33 |
| 14 | 8.6 | 7:59 | 4:34 |
| 15 | 8.6 | 7:59 | 4:35 |
| 16 | 8.6 | 7:58 | 4:37 |
| 17 | 8.7 | 7:58 | 4:38 |
| 18 | 8.7 | 7:57 | 4:39 |
| 19 | 8.7 | 7:56 | 4:41 |
| 20 | 8.8 | 7:56 | 4:42 |
| 21 | 8.8 | 7:55 | 4:43 |
| 22 | 8.8 | 7:54 | 4:45 |
| 23 | 8.9 | 7:53 | 4:46 |
| 24 | 8.9 | 7:52 | 4:47 |
| 25 | 9.0 | 7:51 | 4:49 |
| 26 | 9.0 | 7:50 | 4:50 |
| 27 | 9.0 | 7:49 | 4:52 |
| 28 | 9.1 | 7:48 | 4:53 |
| 29 | 9.1 | 7:47 | 4:55 |
| 30 | 9.2 | 7:46 | 4:56 |
| 31 | 9.2 | 7:45 | 4:58 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 1.04 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 — January's 1.04 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.3 | 1.3 | 1.3 | 1.3 | 1.4 | 1.4 |
| 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 | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 0.9 | Dim |
| 2 | 0.9 | Dim |
| 3 | 0.9 | Dim |
| 4 | 0.9 | Dim |
| 5 | 0.9 | Dim |
| 6 | 0.9 | Dim |
| 7 | 0.9 | Dim |
| 8 | 0.9 | Dim |
| 9 | 1.0 | Dim |
| 10 | 1.0 | Dim |
| 11 | 1.0 | Dim |
| 12 | 1.0 | Dim |
| 13 | 1.0 | Dim |
| 14 | 1.0 | Dim |
| 15 | 1.0 | Dim |
| 16 | 1.0 | Dim |
| 17 | 1.1 | Dim |
| 18 | 1.1 | Dim |
| 19 | 1.1 | Dim |
| 20 | 1.1 | Dim |
| 21 | 1.1 | Dim |
| 22 | 1.2 | Dim |
| 23 | 1.2 | Dim |
| 24 | 1.2 | Dim |
| 25 | 1.2 | Dim |
| 26 | 1.3 | Dim |
| 27 | 1.3 | Dim |
| 28 | 1.3 | Dim |
| 29 | 1.3 | Dim |
| 30 | 1.4 | Dim |
| 31 | 1.4 | Dim |
Hazard calendar for Issaquah
In January, Issaquah sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Issaquah's rainy season runs October–April, when most of the year's rain falls.
Is January a good time to visit Issaquah?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Issaquah.
What to pack for Issaquah in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Issaquah sees daytime highs around 45°F and nights near 35°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 19 days see rain.
UV index in Issaquah in January
Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Issaquah 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 Issaquah in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Issaquah 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 Issaquah?
Issaquah sits at 47.5°N, 122.0°W, 108 ft above sea level, in United States. The nearest listed city is West Lake Sammamish, 4.3 mi away.
Topography around Issaquah
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Issaquah.
Within 2 miles, the terrain around Issaquah has large variations in elevation — a maximum elevation change of 1,998 ft around an average of 512 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,002 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 14,413 ft.
The land around Issaquah is covered by trees (78%) within 2 miles, trees (77%) 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 Issaquah (47.5301°, -122.0326°, elevation 108 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).