Boise Klima and Average Vær
Klima of Boise: average temperatures, rainfall and seasons month by month.
Klima in Boise month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 4° | -4° | 51 mm | ★★☆☆☆ |
| februar | 8° | -1° | 81 mm | ★★☆☆☆ |
| mars | 14° | 2° | 50 mm | ★★★☆☆ |
| april | 17° | 4° | 51 mm | ★★★★☆ |
| mai | 23° | 9° | 23 mm | ★★★★★ |
| juni | 29° | 13° | 17 mm | ★★★★★ |
| juli | 35° | 19° | 4 mm | ★★★★★ |
| august | 33° | 17° | 7 mm | ★★★★★ |
| september | 27° | 13° | 10 mm | ★★★★★ |
| oktober | 18° | 6° | 29 mm | ★★★★☆ |
| november | 10° | 1° | 40 mm | ★★★☆☆ |
| desember | 7° | -1° | 77 mm | ★★☆☆☆ |
Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Boise
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Boise compares med nearby places
Annual averages, and the difference against Boise.
| 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 |
Beste tid å besøke Boise
Go in mai, juni, juli, august and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for Boise
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 til august.
The gap between the warmest and coldest month averages 28°C.
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, 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 januar, februar and desember - historically the least comfortable months here.
Sammendrag
Boise is a city in Idaho. Boise is known for Greenbelt and outdoor access. Befolkningen er rundt 240.000.
Akkurat nå er det 25°C (77°F) in Boise med klar himmel. Det føles som 22°C. I dag varierer temperaturen mellom 10°C til 25°C. Sannsynligheten for nedbør er 0%. Sightseeing conditions score 9.5/10 - utmerket — dra nå.
Beste tidspunkt å besøke Boise is mai, juni, juli, august and september. Klimaet er continental. januar, februar and desember tend til be the least comfortable months. juli is the warmest month med average highs near 35°C, while januar 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.
Kort sagt. 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 til be outside is roughly 11 AM til 2 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Boise 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 Boise
| Type | City |
|---|---|
| State | Idaho |
| Land | USA |
| Kontinent | Nord-Amerika |
| Koordinater | 43°36′54″N 116°12′8.3″W (43.615, -116.2023) |
| Befolkning | 240.000 |
| Known for | Greenbelt and outdoor access |
| Lokal tid | 6:04 PM (UTC-06:00) |
| Best months | mai, juni, juli, august and september |
| Klima | Kontinental |
Vær map for Boise
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Boise
Every topic we hold for this place, and the same topic for the places around it.
Klima for related places
Frequently asked questions
Where is Boise?
Boise is a city in Idaho. Its coordinates are 43.615, -116.2023. It lies in Nord-Amerika.
What is the weather like in Boise akkurat nå?
It is currently 25°C (77°F) med klar himmel. Luftfuktighet is 31% and wind is 16 km/h.
When is the best time til visit Boise?
mai, juni, juli, august and september offer the most comfortable conditions in Boise, which has a continental climate. januar, februar and desember are usually the hardest months for outdoor plans.
What time zone is Boise in?
Boise observes America/Boise (UTC-06:00). The local time is 6:04 PM.
How many people live in Boise?
Boise has a population of approximately 240.000.
What is the nearest airport til Boise?
The closest airports are Salt Lake City International Airport (SLC), 469 km away.
What are the top things til do in Boise?
Popular options include Palouse Falls State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vær 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 6:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
