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Issaquah, United States Snapshot 2026
Where is Issaquah?
Issaquah, United States
- Continent
- Americas
- Country
- United States
- City
- Issaquah
- Population
- 36.1K
- Elevation
- 33 m
- Coordinates
- 47.53°, -122.03°
Issaquah is a city in United States with a population of approximately 36.1K. Average temperatures range from 2°C (35°F) in February to 27°C (80°F) in August. The best time to visit is June, July, August, September.
Time in Issaquah right now
Open full time & time zone page 01:28 28
Tuesday, June 16, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Issaquah
Daylight in Issaquah today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 57m
Climate normals for Issaquah
Long-term monthly averages based on historical data.
January
Wet 
February
Wet March
Wet April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 2°C | 6°C / -1°C | 19days (209 mm) Wet | 4h Fair | 85% Humid | 1.2 Low | Wet | View Details |
| February | 8°C / 2°C | 6°C / -2°C | 19days (193 mm) Wet | 5h Fair | 84% Humid | 1.9 Low | Wet | View Details |
| March | 12°C / 3°C | 9°C / 0°C | 18days (155 mm) Wet | 7.4h Good | 81% Humid | 3.3 Moderate | Wet | View Details |
| April | 15°C / 6°C | 14°C / 3°C | 17days (127 mm) Wet | 8.9h Good | 78% Humid | 4.8 Moderate | Fair | View Details |
| May | 19°C / 9°C | 19°C / 8°C | 12days (86 mm) Wet | 10.2h Excellent | 77% Humid | 5.6 High | Good | View Details |
| June best | 22°C / 12°C | 22°C / 11°C | 11days (78 mm) Wet | 11h Excellent | 75% Muggy | 6.3 High | Excellent | View Details |
| July best | 26°C / 15°C | 27°C / 15°C | 5days (23 mm) Good | 12.3h Excellent | 70% Muggy | 6.9 High | Excellent | View Details |
| August best | 27°C / 15°C | 28°C / 16°C | 6days (33 mm) Good | 11.1h Excellent | 72% Muggy | 5.9 High | Excellent | View Details |
| September best | 22°C / 13°C | 23°C / 12°C | 10days (84 mm) Wet | 9.3h Good | 78% Humid | 4.7 Moderate | Excellent | View Details |
| October | 16°C / 8°C | 15°C / 6°C | 16days (180 mm) Wet | 6.8h Fair | 84% Humid | 3 Moderate | Wet | View Details |
| November | 11°C / 5°C | 9°C / 2°C | 20days (213 mm) Wet | 4.5h Fair | 87% Very Muggy | 1.6 Low | Wet | View Details |
| December | 8°C / 3°C | 5°C / -1°C | 19days (243 mm) Wet | 3.4h Poor | 87% Very Muggy | 1 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 8°C / 2°C . Feb: 8°C / 2°C . Mar: 12°C / 3°C . Apr: 15°C / 6°C . May: 19°C / 9°C . Jun: 22°C / 12°C . Jul: 26°C / 15°C . Aug: 27°C / 15°C . Sep: 22°C / 13°C . Oct: 16°C / 8°C . Nov: 11°C / 5°C . Dec: 8°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 209 mm. Feb: 193 mm. Mar: 155 mm. Apr: 127 mm. May: 86 mm. Jun: 78 mm. Jul: 23 mm. Aug: 33 mm. Sep: 84 mm. Oct: 180 mm. Nov: 213 mm. Dec: 243 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 84%. Mar: 81%. Apr: 78%. May: 77%. Jun: 75%. Jul: 70%. Aug: 72%. Sep: 78%. Oct: 84%. Nov: 87%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 14 km/h . Mar: 13 km/h . Apr: 13 km/h . May: 12 km/h . Jun: 11 km/h . Jul: 10 km/h . Aug: 10 km/h . Sep: 11 km/h . Oct: 13 km/h . Nov: 14 km/h . Dec: 15 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Frequently Asked Questions
Issaquah has a population of approximately 36.1K.
The best months to visit Issaquah are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Issaquah receives approximately 1624mm of rainfall annually across 172 rainy days.
Issaquah is located in United States, in the Americas region.
Issaquah sits at an elevation of 33 m (108 ft) above sea level.