Idaho 天気 予報
Idaho weather: 8°C, 晴れ. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Idaho weather in 1月
One of the harder months here - go in、a plan.
1月 runs 13°C cooler than the annual average in Idaho.
天気 map for Idaho
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
気候 in Idaho month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 4° | -4° | 51 mm | ★★☆☆☆ |
| 2月 | 8° | -1° | 81 mm | ★★☆☆☆ |
| 3月 | 14° | 2° | 50 mm | ★★★☆☆ |
| 4月 | 17° | 4° | 51 mm | ★★★★☆ |
| 5月 | 23° | 9° | 23 mm | ★★★★★ |
| 6月 | 29° | 13° | 17 mm | ★★★★★ |
| 7月 | 35° | 19° | 4 mm | ★★★★★ |
| 8月 | 33° | 17° | 7 mm | ★★★★★ |
| 9月 | 27° | 13° | 10 mm | ★★★★★ |
| 10月 | 18° | 6° | 29 mm | ★★★★☆ |
| 11月 | 10° | 1° | 40 mm | ★★★☆☆ |
| 12月 | 7° | -1° | 77 mm | ★★☆☆☆ |
気候 type: 大陸al. 出典: Open-Meteo archive (ERA5).
訪問に最適な時期 Idaho
Go in 5月, 6月, 7月, 8月 and 9月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Whatからpack, whatからskip
- Layers - the daily swing is 20°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
How Idaho compares、nearby places
Annual averages, and the difference against Idaho.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Palouse Falls State Park | 374 km | 13°C | +1°C warmer | 329 mm |
| Smith Rock State Park | 404 km | 11°C | 2°C cooler | 497 mm |
| Great Salt Lake | 409 km | 5°C | 8°C cooler | 270 mm |
| Grand Teton | 434 km | -8°C | 20°C cooler | 1301 mm |
| Antelope Island State Park | 435 km | 11°C | 1°C cooler | 539 mm |
時間帯別のIdaho 予報を見る
Idaho weather - more answers
Explore Idaho
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is Idaho?
Idaho is a state in アメリカ合衆国. Its coordinates are 43.615, -116.2023. It lies in 北アメリカ.
What is the weather like in Idaho現在?
It is currently 8°C (47°F)、晴れ. 湿度 is 73% and wind is 8 km/h.
When is the best timeからvisit Idaho?
5月, 6月, 7月, 8月 and 9月 offer the most comfortable conditions in Idaho, which has a continental climate. 1月, 2月 and 12月 are usually the hardest months for outdoor plans.
What time zone is Idaho in?
Idaho observes America/Boise (UTC-06:00). The local time is 3:44 PM.
How many people live in Idaho?
Idaho has a population of approximately 2 million.
What is the nearest airportからIdaho?
The closest airports are Salt Lake City International Airport (SLC), 469 km away.
What are the top thingsからdo in Idaho?
Popular options include Palouse Falls State Park.
What places are in Idaho?
Idaho covers 1 places in this atlas, including Boise.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 10月 24, 2026 at 3:44 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





