Tacoma weather in August
In August, Tacoma sees average daytime highs of 75°F and overnight lows near 59°F, with 0.9 in of rain across 4 wet days and about 14 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 76°F in the first days to 73°F by the end. The sky is clear or mostly clear about 47% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Tacoma's 2nd-clearest and 12th-windiest month. For the whole year in context, see Tacoma's year-round climate.
- Daytime high
- 75°
- 1st warmest
- Overnight low
- 59°
- 12th coldest
- Rainfall
- 0.9 in
- 4 wet days
- Daylight
- 14 h 06 min
- 5:12 AM – 7:16 PM
- Cloud cover
- 43%
- 2nd clearest
- Wind
- 5 mph
- 12th windiest
- Solar energy
- 5.46 kWh/m²
- Travel score
- 8.2
- out of 10
Tacoma is county seat of Pierce County, Washington, United States.
- Density
- 1,379/km²
- people per km²
- Founded
- 1875
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 76°F in the first days to 73°F by the end.
A typical August day in Tacoma reaches about 75°F in the afternoon and slips back to 59°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 82°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.
| 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) | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 |
| Avg low (°F) | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 57 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 76 | 59 |
| 2 | 76 | 59 |
| 3 | 76 | 59 |
| 4 | 76 | 59 |
| 5 | 76 | 59 |
| 6 | 76 | 59 |
| 7 | 76 | 59 |
| 8 | 76 | 59 |
| 9 | 76 | 59 |
| 10 | 76 | 59 |
| 11 | 76 | 59 |
| 12 | 76 | 59 |
| 13 | 75 | 59 |
| 14 | 75 | 59 |
| 15 | 75 | 59 |
| 16 | 75 | 59 |
| 17 | 75 | 59 |
| 18 | 75 | 59 |
| 19 | 75 | 59 |
| 20 | 75 | 58 |
| 21 | 74 | 58 |
| 22 | 74 | 58 |
| 23 | 74 | 58 |
| 24 | 74 | 58 |
| 25 | 74 | 58 |
| 26 | 74 | 58 |
| 27 | 73 | 58 |
| 28 | 73 | 58 |
| 29 | 73 | 58 |
| 30 | 73 | 58 |
| 31 | 73 | 57 |
Tacoma weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-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° / 39° | 6.5 | 17.1 | 1.5 | 8.7 | 1.1 |
| Feb | 49° / 40° | 4.5 | 13.4 | 1.3 | 9.9 | 1.6 |
| Mar | 52° / 41° | 5.2 | 16.5 | 0.4 | 11.6 | 2.3 |
| Apr | 57° / 45° | 3.9 | 13.6 | 0 | 13.3 | 3.6 |
| May | 63° / 50° | 2.4 | 10.1 | 0 | 14.8 | 5.5 |
| Jun | 68° / 54° | 1.6 | 7 | 0 | 15.6 | 6.7 |
| Jul | 74° / 58° | 0.6 | 2.9 | 0 | 15.3 | 8.3 |
| Aug | 75° / 59° | 0.9 | 4 | 0 | 14 | 8.2 |
| Sep | 69° / 55° | 2.0 | 7.1 | 0 | 12.4 | 7.0 |
| Oct | 60° / 49° | 4.4 | 12.6 | 0 | 10.6 | 4.4 |
| Nov | 51° / 43° | 7.2 | 17 | 0.3 | 9.1 | 2.0 |
| Dec | 46° / 39° | 6.8 | 16.6 | 1.3 | 8.3 | 1.0 |
Cloud cover in August
The sky is clear or mostly clear about 47% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.
| 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 (%) | 74 | 73 | 73 | 72 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 62 |
| Cloudier (%) | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 32 | 32 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 38 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 74 | 26 |
| 2 | 73 | 27 |
| 3 | 73 | 27 |
| 4 | 72 | 28 |
| 5 | 71 | 29 |
| 6 | 70 | 30 |
| 7 | 70 | 30 |
| 8 | 69 | 31 |
| 9 | 68 | 32 |
| 10 | 68 | 32 |
| 11 | 67 | 33 |
| 12 | 66 | 34 |
| 13 | 66 | 34 |
| 14 | 66 | 34 |
| 15 | 65 | 35 |
| 16 | 65 | 35 |
| 17 | 65 | 35 |
| 18 | 65 | 35 |
| 19 | 64 | 36 |
| 20 | 64 | 36 |
| 21 | 63 | 37 |
| 22 | 63 | 37 |
| 23 | 63 | 37 |
| 24 | 62 | 38 |
| 25 | 62 | 38 |
| 26 | 62 | 38 |
| 27 | 62 | 38 |
| 28 | 63 | 37 |
| 29 | 63 | 37 |
| 30 | 63 | 37 |
| 31 | 62 | 38 |
Chance of precipitation in August
Tacoma gets around 0.9 in of rain over 4 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 13% and peaks near 18% on the wettest days. 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 |
| Rain chance (%) | |
|---|---|
| 1 | 8 |
| 2 | 8 |
| 3 | 8 |
| 4 | 9 |
| 5 | 9 |
| 6 | 9 |
| 7 | 10 |
| 8 | 10 |
| 9 | 11 |
| 10 | 11 |
| 11 | 11 |
| 12 | 12 |
| 13 | 12 |
| 14 | 12 |
| 15 | 12 |
| 16 | 13 |
| 17 | 13 |
| 18 | 13 |
| 19 | 13 |
| 20 | 14 |
| 21 | 14 |
| 22 | 14 |
| 23 | 15 |
| 24 | 15 |
| 25 | 16 |
| 26 | 16 |
| 27 | 16 |
| 28 | 17 |
| 29 | 17 |
| 30 | 18 |
| 31 | 18 |
Humidity in August
Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the comfortable band about 51% 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 (%) | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 39 | 40 | 41 | 42 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 52 |
| Comfortable (%) | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 54 | 53 | 53 | 52 | 51 | 50 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 44 | 43 | 43 |
| Humid (%) | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 |
| Muggy (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 34 | 55 | 10 | 1 |
| 2 | 33 | 56 | 10 | 1 |
| 3 | 33 | 56 | 11 | 0 |
| 4 | 33 | 56 | 11 | 0 |
| 5 | 33 | 56 | 11 | 0 |
| 6 | 33 | 56 | 11 | 0 |
| 7 | 33 | 56 | 11 | 0 |
| 8 | 32 | 56 | 12 | 0 |
| 9 | 32 | 56 | 12 | 0 |
| 10 | 32 | 56 | 12 | 0 |
| 11 | 32 | 56 | 12 | 0 |
| 12 | 33 | 55 | 12 | 0 |
| 13 | 33 | 55 | 12 | 0 |
| 14 | 34 | 54 | 12 | 0 |
| 15 | 35 | 53 | 12 | 0 |
| 16 | 36 | 53 | 11 | 0 |
| 17 | 37 | 52 | 11 | 0 |
| 18 | 39 | 51 | 10 | 0 |
| 19 | 40 | 50 | 10 | 0 |
| 20 | 41 | 49 | 9 | 0 |
| 21 | 42 | 49 | 9 | 0 |
| 22 | 44 | 48 | 8 | 0 |
| 23 | 45 | 48 | 8 | 0 |
| 24 | 46 | 47 | 7 | 0 |
| 25 | 47 | 47 | 7 | 0 |
| 26 | 48 | 46 | 6 | 0 |
| 27 | 49 | 46 | 6 | 0 |
| 28 | 50 | 45 | 5 | 0 |
| 29 | 51 | 44 | 5 | 0 |
| 30 | 52 | 43 | 5 | 0 |
| 31 | 52 | 43 | 5 | 0 |
Wind in August
Winds average 5 mph in August, the calmest month.
Across August, daily wind ranges from about 5 mph on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in August
Daylight runs from about 14 h 48 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 90 minutes over August. Sunrise moves from 4:52 AM to 5:32 AM, and sunset from 7:39 PM to 6:47 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) | 14.8 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.4 | 14.4 | 14.3 | 14.3 | 14.2 | 14.2 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 | 13.9 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 |
| Sunrise (AM) | 4:52 | 4:54 | 4:55 | 4:56 | 4:57 | 4:59 | 5:00 | 5:01 | 5:03 | 5:04 | 5:05 | 5:07 | 5:08 | 5:09 | 5:11 | 5:12 | 5:13 | 5:15 | 5:16 | 5:17 | 5:19 | 5:20 | 5:21 | 5:23 | 5:24 | 5:25 | 5:27 | 5:28 | 5:30 | 5:31 | 5:32 |
| Sunset (PM) | 7:39 | 7:38 | 7:37 | 7:35 | 7:34 | 7:32 | 7:31 | 7:29 | 7:28 | 7:26 | 7:24 | 7:23 | 7:21 | 7:19 | 7:18 | 7:16 | 7:14 | 7:12 | 7:10 | 7:09 | 7:07 | 7:05 | 7:03 | 7:01 | 6:59 | 6:57 | 6:55 | 6:53 | 6:51 | 6:49 | 6:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.8 | 4:52 | 7:39 |
| 2 | 14.7 | 4:54 | 7:38 |
| 3 | 14.7 | 4:55 | 7:37 |
| 4 | 14.6 | 4:56 | 7:35 |
| 5 | 14.6 | 4:57 | 7:34 |
| 6 | 14.6 | 4:59 | 7:32 |
| 7 | 14.5 | 5:00 | 7:31 |
| 8 | 14.5 | 5:01 | 7:29 |
| 9 | 14.4 | 5:03 | 7:28 |
| 10 | 14.4 | 5:04 | 7:26 |
| 11 | 14.3 | 5:05 | 7:24 |
| 12 | 14.3 | 5:07 | 7:23 |
| 13 | 14.2 | 5:08 | 7:21 |
| 14 | 14.2 | 5:09 | 7:19 |
| 15 | 14.1 | 5:11 | 7:18 |
| 16 | 14.1 | 5:12 | 7:16 |
| 17 | 14.0 | 5:13 | 7:14 |
| 18 | 14.0 | 5:15 | 7:12 |
| 19 | 13.9 | 5:16 | 7:10 |
| 20 | 13.9 | 5:17 | 7:09 |
| 21 | 13.8 | 5:19 | 7:07 |
| 22 | 13.7 | 5:20 | 7:05 |
| 23 | 13.7 | 5:21 | 7:03 |
| 24 | 13.6 | 5:23 | 7:01 |
| 25 | 13.6 | 5:24 | 6:59 |
| 26 | 13.5 | 5:25 | 6:57 |
| 27 | 13.5 | 5:27 | 6:55 |
| 28 | 13.4 | 5:28 | 6:53 |
| 29 | 13.4 | 5:30 | 6:51 |
| 30 | 13.3 | 5:31 | 6:49 |
| 31 | 13.3 | 5:32 | 6:47 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.46 kWh/m².
For context, solar energy here swings from a low near 0.89 kWh/m² to a high of 6.22 kWh/m² in July across the year — August's 5.46 kWh/m² sits near the top of that range.
| 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) | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.0 | Intense |
| 5 | 6.0 | Intense |
| 6 | 6.0 | Bright |
| 7 | 5.9 | Bright |
| 8 | 5.9 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 4.9 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.8 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Tacoma
None of Tacoma's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Tacoma's rainy season runs October–April, when most of the year's rain falls.
Is August a good time to visit Tacoma?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Tacoma for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tacoma in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Tacoma sees daytime highs around 75°F and nights near 59°F. Worth packing: light clothes and sun protection. About 4 days see rain.
UV index in Tacoma in August
Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tacoma 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 8 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 | Very 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 | Very 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 Tacoma in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Tacoma 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 Tacoma?
Tacoma sits at 47.3°N, 122.4°W, 243 ft above sea level, in United States. The nearest listed city is University Place, 5.0 mi away.
Topography around Tacoma
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Tacoma.
Within 2 miles, the terrain around Tacoma has only modest variations in elevation — a maximum elevation change of 420 ft around an average of 184 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 594 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 14,403 ft.
The land around Tacoma is covered by artificial surfaces (54%) and trees (22%) within 2 miles, trees (43%), water (25%) and artificial surfaces (21%) within 10 miles, and trees (77%) 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 Tacoma (47.2529°, -122.4443°, elevation 243 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).