Boise weather in August
In August, Boise sees average daytime highs of 91°F and overnight lows near 62°F, with 0.1 in of rain across 0.7 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 93°F in the first days to 87°F by the end. The sky is clear or mostly clear about 78% of the time in August, and the air most often feels dry.
Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Boise's 2nd-clearest and 12th-windiest month. For the whole year in context, see Boise's year-round climate.
- Daytime high
- 91°
- 2nd warmest
- Overnight low
- 62°
- 11th coldest
- Rainfall
- 0.1 in
- 0.7 wet days
- Daylight
- 13 h 48 min
- 5:55 AM – 7:43 PM
- Cloud cover
- 23%
- 2nd clearest
- Wind
- 6 mph
- 12th windiest
- Solar energy
- 7.06 kWh/m²
- Travel score
- 4.9
- out of 10
Boise is capital city of the U.S. state of Idaho and seat of Ada County.
- Density
- 1/km²
- people per km²
- Founded
- 1863
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 93°F in the first days to 87°F by the end.
A typical August day in Boise reaches about 91°F in the afternoon and slips back to 62°F overnight — a 29°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 99°F. Set against its neighbours, August runs about 1°F cooler than July and about 11°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) | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 89 | 89 | 89 | 88 | 88 | 88 | 87 | 87 | 87 | 86 |
| Avg low (°F) | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 58 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 94 | 64 |
| 2 | 93 | 64 |
| 3 | 93 | 64 |
| 4 | 93 | 64 |
| 5 | 93 | 64 |
| 6 | 93 | 64 |
| 7 | 93 | 64 |
| 8 | 92 | 64 |
| 9 | 92 | 64 |
| 10 | 92 | 63 |
| 11 | 92 | 63 |
| 12 | 92 | 63 |
| 13 | 91 | 63 |
| 14 | 91 | 63 |
| 15 | 91 | 62 |
| 16 | 91 | 62 |
| 17 | 91 | 62 |
| 18 | 90 | 62 |
| 19 | 90 | 62 |
| 20 | 90 | 61 |
| 21 | 90 | 61 |
| 22 | 89 | 61 |
| 23 | 89 | 61 |
| 24 | 89 | 60 |
| 25 | 88 | 60 |
| 26 | 88 | 60 |
| 27 | 88 | 60 |
| 28 | 87 | 59 |
| 29 | 87 | 59 |
| 30 | 87 | 59 |
| 31 | 86 | 58 |
How August really feels in Boise
Once humidity and wind are folded in, August averages 21 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Boise weather by month
How August compares with the rest of the year at a glance. August is the 2nd-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 | 40° / 27° | 1.8 | 9.5 | 4.8 | 9.1 | 0.0 |
| Feb | 46° / 30° | 1.2 | 7.7 | 3 | 10.2 | 1.2 |
| Mar | 55° / 36° | 1.4 | 8.9 | 1.1 | 11.6 | 3.7 |
| Apr | 63° / 41° | 1.2 | 7.2 | 0.3 | 13.2 | 5.8 |
| May | 72° / 48° | 1.2 | 5.9 | 0.1 | 14.5 | 7.5 |
| Jun | 81° / 55° | 0.6 | 3.2 | 0 | 15.2 | 7.4 |
| Jul | 92° / 63° | 0.1 | 0.9 | 0 | 14.9 | 4.4 |
| Aug | 91° / 62° | 0.1 | 0.7 | 0 | 13.8 | 4.9 |
| Sep | 80° / 54° | 0.4 | 2.2 | 0 | 12.3 | 8.1 |
| Oct | 65° / 43° | 0.9 | 4.3 | 0.1 | 10.8 | 6.8 |
| Nov | 49° / 33° | 1.4 | 7.9 | 2 | 9.5 | 2.2 |
| Dec | 39° / 27° | 2.0 | 10.1 | 5.2 | 8.8 | 0.0 |
Cloud cover in August
The sky is clear or mostly clear about 78% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 12%.
| 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 (%) | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 87 |
| Cloudier (%) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 87 | 13 |
| 2 | 87 | 13 |
| 3 | 87 | 13 |
| 4 | 87 | 13 |
| 5 | 87 | 13 |
| 6 | 87 | 13 |
| 7 | 87 | 13 |
| 8 | 87 | 13 |
| 9 | 87 | 13 |
| 10 | 87 | 13 |
| 11 | 87 | 13 |
| 12 | 88 | 12 |
| 13 | 88 | 12 |
| 14 | 88 | 12 |
| 15 | 88 | 12 |
| 16 | 88 | 12 |
| 17 | 89 | 11 |
| 18 | 89 | 11 |
| 19 | 89 | 11 |
| 20 | 89 | 11 |
| 21 | 89 | 11 |
| 22 | 88 | 12 |
| 23 | 88 | 12 |
| 24 | 88 | 12 |
| 25 | 88 | 12 |
| 26 | 88 | 12 |
| 27 | 88 | 12 |
| 28 | 88 | 12 |
| 29 | 88 | 12 |
| 30 | 88 | 12 |
| 31 | 87 | 13 |
Chance of precipitation in August
Boise gets around 0.1 in of rain over 0.7 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 3% 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 (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 |
| Rain chance (%) | |
|---|---|
| 1 | 3 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 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 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 5 |
Humidity in August
Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the dry band about 99% 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 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 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 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
| 31 | 99 | 1 |
Wind in August
Winds average 6 mph in August, the calmest month.
Across August, 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 August
Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 78 minutes over August. Sunrise moves from 5:38 AM to 6:12 AM, and sunset from 8:04 PM to 7:18 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) | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 |
| Sunrise (AM) | 5:38 | 5:39 | 5:40 | 5:41 | 5:42 | 5:43 | 5:44 | 5:45 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:55 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:10 | 6:11 | 6:12 |
| Sunset (PM) | 8:04 | 8:03 | 8:02 | 8:00 | 7:59 | 7:58 | 7:56 | 7:55 | 7:54 | 7:52 | 7:51 | 7:49 | 7:48 | 7:46 | 7:45 | 7:43 | 7:42 | 7:40 | 7:39 | 7:37 | 7:35 | 7:34 | 7:32 | 7:30 | 7:28 | 7:27 | 7:25 | 7:23 | 7:21 | 7:20 | 7:18 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.4 | 5:38 | 8:04 |
| 2 | 14.4 | 5:39 | 8:03 |
| 3 | 14.4 | 5:40 | 8:02 |
| 4 | 14.3 | 5:41 | 8:00 |
| 5 | 14.3 | 5:42 | 7:59 |
| 6 | 14.2 | 5:43 | 7:58 |
| 7 | 14.2 | 5:44 | 7:56 |
| 8 | 14.2 | 5:45 | 7:55 |
| 9 | 14.1 | 5:47 | 7:54 |
| 10 | 14.1 | 5:48 | 7:52 |
| 11 | 14.0 | 5:49 | 7:51 |
| 12 | 14.0 | 5:50 | 7:49 |
| 13 | 13.9 | 5:51 | 7:48 |
| 14 | 13.9 | 5:52 | 7:46 |
| 15 | 13.9 | 5:53 | 7:45 |
| 16 | 13.8 | 5:55 | 7:43 |
| 17 | 13.8 | 5:56 | 7:42 |
| 18 | 13.7 | 5:57 | 7:40 |
| 19 | 13.7 | 5:58 | 7:39 |
| 20 | 13.6 | 5:59 | 7:37 |
| 21 | 13.6 | 6:00 | 7:35 |
| 22 | 13.5 | 6:01 | 7:34 |
| 23 | 13.5 | 6:03 | 7:32 |
| 24 | 13.4 | 6:04 | 7:30 |
| 25 | 13.4 | 6:05 | 7:28 |
| 26 | 13.3 | 6:06 | 7:27 |
| 27 | 13.3 | 6:07 | 7:25 |
| 28 | 13.2 | 6:08 | 7:23 |
| 29 | 13.2 | 6:10 | 7:21 |
| 30 | 13.2 | 6:11 | 7:20 |
| 31 | 13.1 | 6:12 | 7:18 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 7.06 kWh/m².
For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 8.03 kWh/m² in July across the year — August's 7.06 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) | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 |
| 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 | 7.6 | Intense |
| 2 | 7.5 | Intense |
| 3 | 7.5 | Intense |
| 4 | 7.5 | Intense |
| 5 | 7.5 | Intense |
| 6 | 7.4 | Intense |
| 7 | 7.4 | Intense |
| 8 | 7.3 | Intense |
| 9 | 7.3 | Intense |
| 10 | 7.3 | Intense |
| 11 | 7.3 | Intense |
| 12 | 7.2 | Intense |
| 13 | 7.2 | Intense |
| 14 | 7.2 | Intense |
| 15 | 7.1 | Intense |
| 16 | 7.1 | Intense |
| 17 | 7.0 | Intense |
| 18 | 7.0 | Intense |
| 19 | 7.0 | Intense |
| 20 | 6.9 | Intense |
| 21 | 6.9 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.5 | Intense |
| 29 | 6.5 | Intense |
| 30 | 6.4 | Intense |
| 31 | 6.4 | Intense |
Is August a good time to visit Boise?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Boise for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Boise in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Boise sees daytime highs around 91°F and nights near 62°F. Pack light clothes and sun protection.
UV index in Boise in August
Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boise peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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) | 2 | 2 | 4 | 5 | 8 | 9 | 9 | 7 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Boise 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 Boise is worst in August — around 45 µg/m³ PM2.5 (poor), about 6.0× 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 | 10 | 10 | 10 | 8 | 20 | 45 | 21 | 15 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Poor | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 10 | Good |
| May | 10 | Good |
| Jun | 8 | Good |
| Jul | 20 | Moderate |
| Aug | 45 | Poor |
| Sep | 21 | Moderate |
| Oct | 15 | Moderate |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Boise?
Boise sits at 43.6°N, 116.2°W, 2,700 ft above sea level, in United States. The nearest listed city is Meridian, 9.3 mi away.
Topography around Boise
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Boise.
Within 2 miles, the terrain around Boise has only modest variations in elevation — a maximum elevation change of 535 ft around an average of 2,756 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,003 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,516 ft.
The land around Boise is covered by trees (42%) and artificial surfaces (39%) within 2 miles, grassland (55%) and trees (21%) within 10 miles, and grassland (61%) and trees (20%) 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 Boise (43.6135°, -116.2035°, elevation 2,700 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).