Climate Boise - Idaho
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 38 | 45 | 55 | 62 | 72 | 81 |
| Average low in ºF Av. low Lo | 25 | 28 | 34 | 39 | 47 | 54 |
| Av. precipitation in inch Av. precip. Pre. | 1.24 | 0.99 | 1.39 | 1.23 | 1.39 | 0.69 |
| Av. snowfall in inch Snowfall Sn | 5 | 3 | 1 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 91 | 90 | 79 | 65 | 48 | 38 |
| Average low in ºF Av. low Lo | 60 | 60 | 51 | 41 | 32 | 24 |
| Av. precipitation in inch Av. precip. Pre. | 0.33 | 0.24 | 0.58 | 0.75 | 1.35 | 1.55 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 3 | 7 |
What is the average weather in Boise, Idaho?
Boise experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are hot and dry, while winters are cold and bring regular snowfall. Precipitation is generally low throughout the year, with a strong seasonal pattern that makes spring the wettest season and summer the driest.
Boise Climate Graph - Idaho Climate Chart
Daily normals Boise - Idaho - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 37.4 | 24.4 | 0.05 | 0.05 | 2.00 | 5.08 |
| 2 Jan | 37.4 | 24.4 | 0.10 | 0.10 | 4.00 | 10.16 |
| 3 Jan | 37.4 | 24.5 | 0.14 | 0.14 | 6.00 | 15.24 |
| 4 Jan | 37.5 | 24.5 | 0.19 | 0.19 | 8.00 | 20.32 |
| 5 Jan | 37.5 | 24.6 | 0.24 | 0.24 | 11.00 | 27.94 |
| 6 Jan | 37.6 | 24.6 | 0.29 | 0.29 | 13.00 | 33.02 |
| 7 Jan | 37.6 | 24.7 | 0.34 | 0.34 | 14.00 | 35.56 |
| 8 Jan | 37.7 | 24.8 | 0.39 | 0.39 | 16.00 | 40.64 |
| 9 Jan | 37.8 | 24.9 | 0.44 | 0.44 | 18.00 | 45.72 |
| 10 Jan | 37.9 | 24.9 | 0.49 | 0.49 | 20.00 | 50.80 |
| 11 Jan | 38.0 | 25.0 | 0.53 | 0.53 | 22.00 | 55.88 |
| 12 Jan | 38.1 | 25.1 | 0.58 | 0.58 | 23.00 | 58.42 |
| 13 Jan | 38.2 | 25.2 | 0.63 | 0.63 | 25.00 | 63.50 |
| 14 Jan | 38.3 | 25.3 | 0.67 | 0.67 | 27.00 | 68.58 |
| 15 Jan | 38.4 | 25.4 | 0.72 | 0.72 | 29.00 | 73.66 |
| 16 Jan | 38.5 | 25.4 | 0.76 | 0.76 | 30.00 | 76.20 |
| 17 Jan | 38.7 | 25.5 | 0.81 | 0.81 | 32.00 | 81.28 |
| 18 Jan | 38.8 | 25.6 | 0.85 | 0.85 | 34.00 | 86.36 |
| 19 Jan | 38.9 | 25.7 | 0.90 | 0.90 | 36.00 | 91.44 |
| 20 Jan | 39.1 | 25.8 | 0.94 | 0.94 | 37.00 | 93.98 |
| 21 Jan | 39.2 | 25.9 | 0.99 | 0.99 | 39.00 | 99.06 |
| 22 Jan | 39.4 | 26.0 | 1.04 | 1.04 | 40.00 | 101.60 |
| 23 Jan | 39.6 | 26.1 | 1.08 | 1.08 | 42.00 | 106.68 |
| 24 Jan | 39.8 | 26.2 | 1.12 | 1.12 | 43.00 | 109.22 |
| 25 Jan | 40.0 | 26.3 | 1.17 | 1.17 | 45.00 | 114.30 |
| 26 Jan | 40.1 | 26.4 | 1.21 | 1.21 | 46.00 | 116.84 |
| 27 Jan | 40.4 | 26.5 | 1.25 | 1.25 | 48.00 | 121.92 |
| 28 Jan | 40.6 | 26.6 | 1.29 | 1.29 | 49.00 | 124.46 |
| 29 Jan | 40.8 | 26.7 | 1.33 | 1.33 | 50.00 | 127.00 |
| 30 Jan | 41.0 | 26.8 | 1.37 | 1.37 | 52.00 | 132.08 |
| 31 Jan | 41.3 | 26.9 | 1.41 | 1.41 | 53.00 | 134.62 |
Weather history Boise - July 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jul | 84.0 | 57.9 | 0.00 | 0.00 | 0.0 |
| 02 Jul | 86.0 | 52.0 | 0.00 | 0.00 | 0.0 |
| 03 Jul | 90.0 | 57.9 | 0.00 | 0.00 | 0.0 |
| 04 Jul | 97.0 | 62.1 | 0.00 | 0.00 | 0.0 |
| 05 Jul | 98.1 | 61.0 | 0.00 | 0.00 | 0.0 |
| 06 Jul | - | - | - | - | - |
| 07 Jul | - | - | - | - | - |
| 08 Jul | - | - | - | - | - |
| 09 Jul | - | - | - | - | - |
| 10 Jul | - | - | - | - | - |
| 11 Jul | - | - | - | - | - |
| 12 Jul | - | - | - | - | - |
| 13 Jul | - | - | - | - | - |
| 14 Jul | - | - | - | - | - |
| 15 Jul | - | - | - | - | - |
| 16 Jul | - | - | - | - | - |
| 17 Jul | - | - | - | - | - |
| 18 Jul | - | - | - | - | - |
| 19 Jul | - | - | - | - | - |
| 20 Jul | - | - | - | - | - |
| 21 Jul | - | - | - | - | - |
| 22 Jul | - | - | - | - | - |
| 23 Jul | - | - | - | - | - |
| 24 Jul | - | - | - | - | - |
| 25 Jul | - | - | - | - | - |
| 26 Jul | - | - | - | - | - |
| 27 Jul | - | - | - | - | - |
| 28 Jul | - | - | - | - | - |
| 29 Jul | - | - | - | - | - |
| 30 Jul | - | - | - | - | - |
| 31 Jul | - | - | - | - | - |
Past weather Boise
| Jul 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 91.0 ºF | 38 ºF | |
| Average low temperature Av. low temp. | 58.2 ºF | 25 ºF | |
| Total precipitation Total precip. | 0.00 inch | 1.24 inch | |
| Total snowfall Total snowfall | 0.00 inch | 5 inch | |
| Highest max temperature Highest max temp. | 98.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 84.0 ºF | - | |
| Highest min temperature Highest min temp. | 62.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 52.0 ºF | - | |
Past weather July 2026 incomplete - Missing data
Geo Boise - Idaho
| Country | United States | |
|---|---|---|
| State | Idaho | |
| County | Ada | |
| City | Boise | |
| Zip Code | 83702 | |
| Longitude | -116.22 dec. degr. | |
| Latitude | 43.62 dec. degr. | |
| Altitude - Elevation | 2680ft | |
| ICAO | - | |
| IATA | - |
Date and Time Boise - Idaho
| Local Time | 06:38 AM | |
|---|---|---|
| Sunrise | 06:10 AM | |
| Sunset | 09:29 PM | |
| Day/Night | Day | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Boise - Idaho
USGS National Map — Open interactive map
Boise weather averages
| Annual high temperature | 64ºF |
| Annual low temperature | 41ºF |
| Average annual precip. | 11.73 inch |
| Av. annual snowfall | 19 inch |
Station Data
Monthly averages Boise
Longitude: -116.215, Latitude: 43.6187
Average weather Boise, ID - 83702
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...