Idaho Klimat and Average Väder
Klimat of Idaho: average temperatures, rainfall and seasons month by month.
Klimat in Idaho month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 4° | -4° | 51 mm | ★★☆☆☆ |
| februari | 8° | -1° | 81 mm | ★★☆☆☆ |
| mars | 14° | 2° | 50 mm | ★★★☆☆ |
| april | 17° | 4° | 51 mm | ★★★★☆ |
| maj | 23° | 9° | 23 mm | ★★★★★ |
| juni | 29° | 13° | 17 mm | ★★★★★ |
| juli | 35° | 19° | 4 mm | ★★★★★ |
| augusti | 33° | 17° | 7 mm | ★★★★★ |
| september | 27° | 13° | 10 mm | ★★★★★ |
| oktober | 18° | 6° | 29 mm | ★★★★☆ |
| november | 10° | 1° | 40 mm | ★★★☆☆ |
| december | 7° | -1° | 77 mm | ★★☆☆☆ |
Klimat type: Kontinental. Källa: Open-Meteo archive (ERA5).
Recent extremes in Idaho
Högest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Idaho compares med 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 |
Klimat by city in Idaho
1 cities mapped in this atlas
Bästa tiden att besöka Idaho
Go in maj, juni, juli, augusti and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.
What this means for Idaho
Today is slightly cooler than average for september. The forecast high of 25°C is 1.8°C below the 27°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni och augusti.
The gap between the warmest and coldest month averages 28°C.
What och pack, what och skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sönglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 21°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.
Sammanfattning
Idaho is a state in USA. Idaho is a US state med huvudstad Boise. Befolkningen är cirka 2 million. Huvudstaden är Boise.
Just nu är det 25°C (77°F) in Idaho med klart. Det känns som 22°C. I dag varierar temperaturen mellan 10°C och 25°C. Risken för nederbörd är 0%. Sightseeing conditions score 9.5/10 - utmärkt — åk nu.
Bästa tiden att besöka Idaho is maj, juni, juli, augusti and september. Klimatet är continental. januari, februari and december tend och be the least comfortable months. juli is the warmest month med average highs near 35°C, while januari is the coldest med lows near -4°C.
The closest major airport is Salt Lake City International Airport (SLC), about 469 km away. Nearby highlights include Palouse Falls State Park.
Enkelt förklarat. Today is slightly cooler than average for september. The forecast high of 25°C is 1.8°C below the 27°C typical for this month. The best window och be outside is roughly 11 AM och 2 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Idaho today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Idaho
| Typ | State |
|---|---|
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 43°36′54″N 116°12′8.3″W (43.615, -116.2023) |
| Capital | Boise |
| Befolkning | 1.960.000 |
| Area | 216.443 km² |
| Abbreviation | ID |
| Tidszon | America/Boise |
| Lokal tid | 7:56 PM (UTC-06:00) |
| Best months | maj, juni, juli, augusti and september |
| Klimat | Kontinental |
Väder map for Idaho
Animated model layers. Pick a layer och load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Idaho
Every topic we hold for this place, and the same topic for the places around it.
Klimat for related places
Frequently asked questions
Where is Idaho?
Idaho is a state in USA. Its coordinates are 43.615, -116.2023. It lies in Nordamerika.
What is the weather like in Idaho just nu?
It is currently 25°C (77°F) med klart. Luftfuktighet is 31% and wind is 16 km/h.
When is the best time och visit Idaho?
maj, juni, juli, augusti and september offer the most comfortable conditions in Idaho, which has a continental climate. januari, februari and december 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 7:56 PM.
How many people live in Idaho?
Idaho has a population of approximately 2 million.
What is the nearest airport och Idaho?
The closest airports are Salt Lake City International Airport (SLC), 469 km away.
What are the top things och 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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder 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 september 30, 2026 at 7:56 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
