Tri-Cities weather in July
In July, Tri-Cities sees average daytime highs of 93°F and overnight lows near 64°F, with 0.1 in of rain across 1 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 91°F in the first days to 95°F by the end. The sky is clear or mostly clear about 74% of the time in July, and the air most often feels dry.
Daylight stretches from about 15 h 30 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Tri-Cities's 1st-clearest and 5th-windiest month. For the whole year in context, see Tri-Cities's year-round climate.
- Daytime high
- 93°
- 1st warmest
- Overnight low
- 64°
- 12th coldest
- Rainfall
- 0.1 in
- 1 wet days
- Daylight
- 15 h 12 min
- 4:25 AM – 7:40 PM
- Cloud cover
- 23%
- 1st clearest
- Wind
- 6 mph
- 5th windiest
- Solar energy
- 7.85 kWh/m²
- Travel score
- 3.9
- out of 10
Temperature in July
Highs climb over the month, from about 91°F in the first days to 95°F by the end.
A typical July day in Tri-Cities reaches about 93°F in the afternoon and slips back to 64°F overnight — a 30°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 103°F. Set against its neighbours, July runs about 9°F warmer than June and about 2°F warmer than August.
| 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) | 90 | 90 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 |
| Avg low (°F) | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 64 | 64 | 64 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 90 | 62 |
| 2 | 90 | 62 |
| 3 | 91 | 62 |
| 4 | 91 | 62 |
| 5 | 91 | 62 |
| 6 | 91 | 62 |
| 7 | 92 | 63 |
| 8 | 92 | 63 |
| 9 | 92 | 63 |
| 10 | 92 | 63 |
| 11 | 93 | 63 |
| 12 | 93 | 63 |
| 13 | 93 | 63 |
| 14 | 93 | 64 |
| 15 | 93 | 64 |
| 16 | 94 | 64 |
| 17 | 94 | 64 |
| 18 | 94 | 64 |
| 19 | 94 | 64 |
| 20 | 94 | 64 |
| 21 | 94 | 64 |
| 22 | 94 | 64 |
| 23 | 95 | 64 |
| 24 | 95 | 64 |
| 25 | 95 | 64 |
| 26 | 95 | 64 |
| 27 | 95 | 65 |
| 28 | 95 | 65 |
| 29 | 95 | 64 |
| 30 | 95 | 64 |
| 31 | 95 | 64 |
How July really feels in Tri-Cities
Once humidity and wind are folded in, July averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tri-Cities weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 41° / 29° | 1.3 | 8.1 | 2.3 | 8.8 | 0.2 |
| Feb | 48° / 32° | 0.9 | 6.2 | 1.3 | 10 | 2.0 |
| Mar | 58° / 38° | 0.9 | 5.9 | 0.4 | 11.6 | 4.6 |
| Apr | 68° / 44° | 0.7 | 4.9 | 0 | 13.3 | 6.9 |
| May | 77° / 52° | 0.7 | 4.5 | 0 | 14.7 | 7.6 |
| Jun | 84° / 58° | 0.5 | 2.8 | 0 | 15.5 | 6.6 |
| Jul | 93° / 64° | 0.1 | 1 | 0 | 15.2 | 3.9 |
| Aug | 92° / 62° | 0.2 | 1 | 0 | 14 | 4.5 |
| Sep | 81° / 54° | 0.3 | 1.8 | 0 | 12.3 | 7.7 |
| Oct | 66° / 44° | 0.9 | 5 | 0 | 10.7 | 6.7 |
| Nov | 50° / 35° | 1.1 | 7.3 | 0.7 | 9.2 | 2.4 |
| Dec | 41° / 29° | 1.4 | 8.4 | 2.4 | 8.5 | 0.1 |
Cloud cover in July
The sky is clear or mostly clear about 74% of the time in July, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up 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 (%) | 78 | 79 | 81 | 81 | 83 | 83 | 84 | 84 | 85 | 86 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 91 | 90 |
| Cloudier (%) | 22 | 21 | 19 | 19 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 10 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 78 | 22 |
| 2 | 79 | 21 |
| 3 | 81 | 19 |
| 4 | 81 | 19 |
| 5 | 83 | 17 |
| 6 | 83 | 17 |
| 7 | 84 | 16 |
| 8 | 84 | 16 |
| 9 | 85 | 15 |
| 10 | 86 | 14 |
| 11 | 86 | 14 |
| 12 | 86 | 14 |
| 13 | 86 | 14 |
| 14 | 86 | 14 |
| 15 | 87 | 13 |
| 16 | 87 | 13 |
| 17 | 87 | 13 |
| 18 | 87 | 13 |
| 19 | 88 | 12 |
| 20 | 88 | 12 |
| 21 | 88 | 12 |
| 22 | 89 | 11 |
| 23 | 89 | 11 |
| 24 | 89 | 11 |
| 25 | 90 | 10 |
| 26 | 90 | 10 |
| 27 | 90 | 10 |
| 28 | 90 | 10 |
| 29 | 90 | 10 |
| 30 | 91 | 9 |
| 31 | 90 | 10 |
Chance of precipitation in July
Tri-Cities gets around 0.1 in of rain over 1 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 4% and peaks near 5% on the wettest days.
| 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 (%) | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Rain chance (%) | |
|---|---|
| 1 | 5 |
| 2 | 5 |
| 3 | 5 |
| 4 | 4 |
| 5 | 4 |
| 6 | 4 |
| 7 | 4 |
| 8 | 4 |
| 9 | 4 |
| 10 | 4 |
| 11 | 4 |
| 12 | 4 |
| 13 | 4 |
| 14 | 4 |
| 15 | 4 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 3 |
| 23 | 3 |
| 24 | 3 |
| 25 | 3 |
| 26 | 3 |
| 27 | 3 |
| 28 | 3 |
| 29 | 3 |
| 30 | 3 |
| 31 | 3 |
Humidity in July
Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the dry band about 98% 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 (%) | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 98 | 2 |
| 18 | 98 | 2 |
| 19 | 98 | 2 |
| 20 | 98 | 2 |
| 21 | 98 | 2 |
| 22 | 98 | 2 |
| 23 | 98 | 2 |
| 24 | 97 | 3 |
| 25 | 97 | 3 |
| 26 | 97 | 3 |
| 27 | 97 | 3 |
| 28 | 97 | 3 |
| 29 | 96 | 4 |
| 30 | 96 | 4 |
| 31 | 96 | 4 |
Wind in July
Winds average 6 mph in July.
Across July, daily wind ranges from about 5 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 | 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 | 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 | 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 July
Daylight runs from about 15 h 30 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over July. Sunrise moves from 4:14 AM to 4:41 AM, and sunset from 7:46 PM to 7:25 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) | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.3 | 15.3 | 15.3 | 15.2 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.7 |
| Sunrise (AM) | 4:14 | 4:14 | 4:15 | 4:16 | 4:16 | 4:17 | 4:17 | 4:18 | 4:19 | 4:20 | 4:21 | 4:21 | 4:22 | 4:23 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:30 | 4:31 | 4:32 | 4:33 | 4:34 | 4:35 | 4:37 | 4:38 | 4:39 | 4:40 | 4:41 |
| Sunset (PM) | 7:46 | 7:46 | 7:46 | 7:46 | 7:46 | 7:45 | 7:45 | 7:44 | 7:44 | 7:44 | 7:43 | 7:42 | 7:42 | 7:41 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:37 | 7:36 | 7:35 | 7:34 | 7:33 | 7:32 | 7:31 | 7:29 | 7:28 | 7:27 | 7:26 | 7:25 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.5 | 4:14 | 7:46 |
| 2 | 15.5 | 4:14 | 7:46 |
| 3 | 15.5 | 4:15 | 7:46 |
| 4 | 15.5 | 4:16 | 7:46 |
| 5 | 15.5 | 4:16 | 7:46 |
| 6 | 15.5 | 4:17 | 7:45 |
| 7 | 15.5 | 4:17 | 7:45 |
| 8 | 15.4 | 4:18 | 7:44 |
| 9 | 15.4 | 4:19 | 7:44 |
| 10 | 15.4 | 4:20 | 7:44 |
| 11 | 15.4 | 4:21 | 7:43 |
| 12 | 15.4 | 4:21 | 7:42 |
| 13 | 15.3 | 4:22 | 7:42 |
| 14 | 15.3 | 4:23 | 7:41 |
| 15 | 15.3 | 4:24 | 7:41 |
| 16 | 15.2 | 4:25 | 7:40 |
| 17 | 15.2 | 4:26 | 7:39 |
| 18 | 15.2 | 4:27 | 7:38 |
| 19 | 15.2 | 4:28 | 7:37 |
| 20 | 15.1 | 4:29 | 7:37 |
| 21 | 15.1 | 4:30 | 7:36 |
| 22 | 15.1 | 4:31 | 7:35 |
| 23 | 15.0 | 4:32 | 7:34 |
| 24 | 15.0 | 4:33 | 7:33 |
| 25 | 15.0 | 4:34 | 7:32 |
| 26 | 14.9 | 4:35 | 7:31 |
| 27 | 14.9 | 4:37 | 7:29 |
| 28 | 14.8 | 4:38 | 7:28 |
| 29 | 14.8 | 4:39 | 7:27 |
| 30 | 14.8 | 4:40 | 7:26 |
| 31 | 14.7 | 4:41 | 7:25 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 7.85 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.26 kWh/m² to a high of 7.85 kWh/m² in July across the year — July's 7.85 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) | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.9 | Intense |
| 2 | 7.9 | Intense |
| 3 | 7.9 | Intense |
| 4 | 7.9 | Intense |
| 5 | 7.9 | Intense |
| 6 | 7.9 | Intense |
| 7 | 7.9 | Intense |
| 8 | 7.9 | Intense |
| 9 | 7.9 | Intense |
| 10 | 7.9 | Intense |
| 11 | 7.9 | Intense |
| 12 | 7.9 | Intense |
| 13 | 7.9 | Intense |
| 14 | 7.9 | Intense |
| 15 | 7.9 | Intense |
| 16 | 7.8 | Intense |
| 17 | 7.8 | Intense |
| 18 | 7.8 | Intense |
| 19 | 7.8 | Intense |
| 20 | 7.8 | Intense |
| 21 | 7.8 | Intense |
| 22 | 7.7 | Intense |
| 23 | 7.7 | Intense |
| 24 | 7.7 | Intense |
| 25 | 7.7 | Intense |
| 26 | 7.6 | Intense |
| 27 | 7.6 | Intense |
| 28 | 7.6 | Intense |
| 29 | 7.5 | Intense |
| 30 | 7.5 | Intense |
| 31 | 7.5 | Intense |
Is July a good time to visit Tri-Cities?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Tri-Cities. The water and warmth also suit a beach or pool day.
What to pack for Tri-Cities in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Tri-Cities sees daytime highs around 93°F and nights near 64°F. Pack light clothes and sun protection.
UV index in Tri-Cities in July
Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tri-Cities peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 6 | 8 | 6 | 5 | 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 | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | Very high |
| Jun | 6 | High |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Tri-Cities in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Tri-Cities is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 9 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) | 10 | 11 | 14 | 11 | 9 | 10 | 13 | 27 | 21 | 12 | 11 | 9 |
| Level | Good | Good | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 11 | Good |
| May | 9 | Good |
| Jun | 10 | Good |
| Jul | 13 | Moderate |
| Aug | 27 | Moderate |
| Sep | 21 | Moderate |
| Oct | 12 | Moderate |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is Tri-Cities?
Tri-Cities sits at 46.2°N, 119.2°W, 348 ft above sea level, in United States. The nearest listed city is Kennewick, 3.7 mi away.
Topography around Tri-Cities
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Tri-Cities.
Within 2 miles, the terrain around Tri-Cities has only modest variations in elevation — a maximum elevation change of 197 ft around an average of 400 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,677 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,894 ft.
The land around Tri-Cities is covered by artificial surfaces (32%) and grassland (28%) within 2 miles, grassland (38%) and cropland (28%) within 10 miles, and grassland (51%) and cropland (42%) 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 Tri-Cities (46.2454°, -119.1962°, elevation 348 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).