Climate Arco - Idaho
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 30 | 34 | 46 | 58 | 67 | 76 |
| Average low in ºF Av. low Lo | 7 | 11 | 24 | 32 | 40 | 46 |
| Av. precipitation in inch Av. precip. Pre. | 1.00 | 0.75 | 0.86 | 1.00 | 1.27 | 1.28 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 86 | 85 | 74 | 60 | 42 | 30 |
| Average low in ºF Av. low Lo | 52 | 50 | 41 | 32 | 20 | 9 |
| Av. precipitation in inch Av. precip. Pre. | 0.71 | 0.62 | 0.64 | 0.63 | 0.71 | 0.95 |
What is the average weather in Arco, Idaho?
Arco experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts due to its inland location. Summers are warm, but winters are very cold. The area is dry overall, with precipitation generally low and arriving in brief showers. Spring is the wettest season, while fall is the driest.
Arco Climate Graph - Idaho Climate Chart
Daily normals Arco - Idaho - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 29.4 | 6.7 | 0.03 | 0.03 | 0.20 | 0.20 |
| 2 Jan | 29.4 | 6.7 | 0.06 | 0.06 | 0.30 | 0.30 |
| 3 Jan | 29.4 | 6.7 | 0.09 | 0.09 | 0.50 | 0.50 |
| 4 Jan | 29.4 | 6.6 | 0.12 | 0.12 | 0.60 | 0.60 |
| 5 Jan | 29.5 | 6.6 | 0.15 | 0.15 | 0.80 | 0.80 |
| 6 Jan | 29.5 | 6.6 | 0.17 | 0.17 | 1.00 | 1.00 |
| 7 Jan | 29.6 | 6.6 | 0.20 | 0.20 | 1.20 | 1.20 |
| 8 Jan | 29.6 | 6.6 | 0.23 | 0.23 | 1.40 | 1.40 |
| 9 Jan | 29.7 | 6.6 | 0.25 | 0.25 | 1.70 | 1.70 |
| 10 Jan | 29.8 | 6.6 | 0.27 | 0.27 | 1.90 | 1.90 |
| 11 Jan | 29.8 | 6.6 | 0.30 | 0.30 | 2.10 | 2.10 |
| 12 Jan | 29.9 | 6.6 | 0.32 | 0.32 | 2.40 | 2.40 |
| 13 Jan | 30.0 | 6.7 | 0.34 | 0.34 | 2.60 | 2.60 |
| 14 Jan | 30.1 | 6.7 | 0.36 | 0.36 | 2.90 | 2.90 |
| 15 Jan | 30.1 | 6.7 | 0.38 | 0.38 | 3.10 | 3.10 |
| 16 Jan | 30.2 | 6.8 | 0.40 | 0.40 | 3.40 | 3.40 |
| 17 Jan | 30.3 | 6.8 | 0.42 | 0.42 | 3.60 | 3.60 |
| 18 Jan | 30.4 | 6.9 | 0.44 | 0.44 | 3.80 | 3.80 |
| 19 Jan | 30.5 | 6.9 | 0.45 | 0.45 | 4.00 | 4.00 |
| 20 Jan | 30.5 | 7.0 | 0.47 | 0.47 | 4.30 | 4.30 |
| 21 Jan | 30.6 | 7.1 | 0.49 | 0.49 | 4.50 | 4.50 |
| 22 Jan | 30.7 | 7.1 | 0.50 | 0.50 | 4.70 | 4.70 |
| 23 Jan | 30.8 | 7.2 | 0.52 | 0.52 | 4.90 | 4.90 |
| 24 Jan | 30.9 | 7.3 | 0.54 | 0.54 | 5.20 | 5.20 |
| 25 Jan | 31.0 | 7.4 | 0.55 | 0.55 | 5.40 | 5.40 |
| 26 Jan | 31.1 | 7.5 | 0.57 | 0.57 | 5.70 | 5.70 |
| 27 Jan | 31.2 | 7.6 | 0.59 | 0.59 | 5.90 | 5.90 |
| 28 Jan | 31.3 | 7.7 | 0.61 | 0.61 | 6.20 | 6.20 |
| 29 Jan | 31.4 | 7.8 | 0.63 | 0.63 | 6.50 | 6.50 |
| 30 Jan | 31.5 | 8.0 | 0.65 | 0.65 | 6.70 | 6.70 |
| 31 Jan | 31.6 | 8.1 | 0.67 | 0.67 | 7.00 | 7.00 |
Weather history Arco - July 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jul | 79.0 | 46.0 | 0.00 | - | - |
| 02 Jul | 81.0 | 46.9 | 0.00 | - | - |
| 03 Jul | 84.9 | 46.9 | 0.00 | - | - |
| 04 Jul | 90.0 | 50.0 | 0.00 | - | - |
| 05 Jul | 93.9 | 54.0 | 0.00 | - | - |
| 06 Jul | 89.1 | 53.1 | 0.00 | - | - |
| 07 Jul | 91.0 | 53.1 | 0.00 | - | - |
| 08 Jul | 89.1 | 50.0 | 0.00 | - | - |
| 09 Jul | 93.0 | 55.9 | 0.00 | - | - |
| 10 Jul | 93.9 | 52.0 | 0.00 | - | - |
| 11 Jul | 97.0 | 53.1 | 0.00 | - | - |
| 12 Jul | 95.0 | 69.1 | 0.00 | - | - |
| 13 Jul | 90.0 | 63.0 | 0.00 | - | - |
| 14 Jul | 91.0 | 61.0 | 0.00 | - | - |
| 15 Jul | 93.9 | 57.9 | 0.00 | - | - |
| 16 Jul | 84.0 | 64.0 | 0.19 | - | - |
| 17 Jul | 96.1 | 61.0 | 0.00 | - | - |
| 18 Jul | 96.1 | 59.0 | 0.00 | - | - |
| 19 Jul | 97.0 | 64.0 | 0.00 | - | - |
| 20 Jul | 93.9 | 66.0 | 0.00 | - | - |
| 21 Jul | 82.9 | 64.9 | 0.00 | - | - |
| 22 Jul | 91.0 | 62.1 | 0.00 | - | - |
| 23 Jul | 98.1 | 62.1 | 0.00 | - | - |
| 24 Jul | 96.1 | 62.1 | 0.05 | - | - |
| 25 Jul | 93.9 | 62.1 | 0.00 | - | - |
| 26 Jul | 91.0 | 57.0 | 0.00 | - | - |
| 27 Jul | 93.9 | 52.0 | 0.00 | - | - |
| 28 Jul | 91.9 | 55.9 | 0.00 | - | - |
| 29 Jul | 90.0 | 54.0 | 0.00 | - | - |
| 30 Jul | 96.1 | 57.0 | 0.00 | - | - |
| 31 Jul | 98.1 | 55.0 | 0.00 | - | - |
Past weather Arco
| Jul 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 91.7 ºF | 30 ºF | |
| Average low temperature Av. low temp. | 57.1 ºF | 7 ºF | |
| Total precipitation Total precip. | 0.24 inch | 1.00 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 98.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 79.0 ºF | - | |
| Highest min temperature Highest min temp. | 69.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 46.0 ºF | - | |
Past weather July 2026 incomplete - Missing data
Geo Arco - Idaho
| Country | United States | |
|---|---|---|
| State | Idaho | |
| County | Butte | |
| City | Arco | |
| Zip Code | 83213 | |
| Longitude | -113.33 dec. degr. | |
| Latitude | 43.6 dec. degr. | |
| Altitude - Elevation | 5325ft | |
| ICAO | - | |
| IATA | - |
Date and Time Arco - Idaho
| Local Time | 11:29 AM | |
|---|---|---|
| Sunrise | 07:20 AM | |
| Sunset | 07:30 PM | |
| Day/Night | Day | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Arco - Idaho
USGS National Map — Open interactive map
Arco weather averages
| Annual high temperature | 57ºF |
| Annual low temperature | 30ºF |
| Average annual precip. | 10.42 inch |
Station Data
Monthly averages Arco
Longitude: -113.334, Latitude: 43.6035
Average weather Arco, ID - 83213
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, ...