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Tumwater, United States Snapshot 2026
Where is Tumwater?
Tumwater, United States
- Continent
- Americas
- Country
- United States
- City
- Tumwater
- Population
- 19.2K
- Elevation
- 53 m
- Coordinates
- 47.01°, -122.91°
Tumwater is a city in United States with a population of approximately 19.2K. Average temperatures range from 2°C (36°F) in February to 27°C (81°F) in August. The best time to visit is June, July, August, September.
Time in Tumwater right now
Open full time & time zone page 22:26 26
Monday, June 15, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Tumwater
Daylight in Tumwater today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 52m
Climate normals for Tumwater
Long-term monthly averages based on historical data.
January
Wet 
February
Poor March
Wet April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 3°C | 6°C / 0°C | 18days (207 mm) Wet | 4.1h Fair | 90% Very Muggy | 1.3 Low | Wet | View Details |
| February | 8°C / 2°C | 6°C / -1°C | 16days (141 mm) Wet | 5.3h Fair | 86% Very Muggy | 1.9 Low | Poor | View Details |
| March | 12°C / 3°C | 9°C / 1°C | 19days (150 mm) Wet | 7.2h Good | 84% Humid | 3.4 Moderate | Wet | View Details |
| April | 15°C / 6°C | 13°C / 3°C | 14days (110 mm) Wet | 9.1h Good | 78% Humid | 5 Moderate | Fair | View Details |
| May | 20°C / 9°C | 19°C / 8°C | 9days (56 mm) Wet | 10.8h Excellent | 74% Muggy | 6 High | Good | View Details |
| June best | 23°C / 12°C | 22°C / 11°C | 8days (46 mm) Wet | 11.9h Excellent | 71% Muggy | 6.6 High | Excellent | View Details |
| July best | 27°C / 14°C | 27°C / 14°C | 2days (8 mm) Excellent | 12.7h Excellent | 66% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 15°C | 27°C / 15°C | 3days (17 mm) Excellent | 11.6h Excellent | 68% Muggy | 5.9 High | Excellent | View Details |
| September best | 23°C / 13°C | 22°C / 12°C | 7days (64 mm) Good | 9.6h Good | 76% Humid | 4.7 Moderate | Excellent | View Details |
| October | 16°C / 9°C | 15°C / 7°C | 14days (139 mm) Wet | 6.9h Fair | 85% Humid | 3 Moderate | Good | View Details |
| November | 11°C / 5°C | 9°C / 3°C | 18days (203 mm) Wet | 4.6h Fair | 90% Very Muggy | 1.7 Low | Wet | View Details |
| December | 8°C / 3°C | 5°C / 0°C | 19days (211 mm) Wet | 3.5h Poor | 92% Very Muggy | 1.1 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 8°C / 3°C . Feb: 8°C / 2°C . Mar: 12°C / 3°C . Apr: 15°C / 6°C . May: 20°C / 9°C . Jun: 23°C / 12°C . Jul: 27°C / 14°C . Aug: 27°C / 15°C . Sep: 23°C / 13°C . Oct: 16°C / 9°C . Nov: 11°C / 5°C . Dec: 8°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 207 mm. Feb: 141 mm. Mar: 150 mm. Apr: 110 mm. May: 56 mm. Jun: 46 mm. Jul: 8 mm. Aug: 17 mm. Sep: 64 mm. Oct: 139 mm. Nov: 203 mm. Dec: 211 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 90%. Feb: 86%. Mar: 84%. Apr: 78%. May: 74%. Jun: 71%. Jul: 66%. Aug: 68%. Sep: 76%. Oct: 85%. Nov: 90%. Dec: 92%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 15 km/h . Mar: 14 km/h . Apr: 15 km/h . May: 14 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 14 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 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Frequently Asked Questions
Tumwater has a population of approximately 19.2K.
The best months to visit Tumwater are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Tumwater receives approximately 1352mm of rainfall annually across 147 rainy days.
Tumwater is located in United States, in the Americas region.
Tumwater sits at an elevation of 53 m (174 ft) above sea level.