When to visit
Boise?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Boise
State of Idaho · United States of America

The best weather in Boise is from May, June, September.consistent weather climate

Climate score
September
96

Perfect climate

☀️Pleasant

Temperature
13–27°C
Cool nights
Feels like
10–24°C
Dry
Precipitation
12mm
Light rain · 2 days
Sunshine
11.1h
Mostly clear
Humidity (%)
39%
Dry
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-20°-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
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Monthly Overview
Score142137608895657696763012
ClimateColdColdColdColdMildPleasantHot & dryPleasantPleasantMildColdCold
Temperature-4–4°C-2–7°C1–12°C4–17°C9–22°C14–28°C19–34°C18–33°C13–27°C6–18°C0–10°C-4–4°C
Feels like-8–0°C-6–3°C-3–8°C0–13°C6–19°C12–26°C17–33°C16–31°C10–24°C3–15°C-4–6°C-8–0°C
Precipitation50mm
10 days
41mm
9 days
40mm
8 days
33mm
7 days
42mm
6 days
23mm
3 days
2mm
0 days
3mm
1 days
12mm
2 days
26mm
4 days
37mm
7 days
56mm
11 days
Sunshine5.8h
☀︎ 61%
7.4h
☀︎ 70%
9.2h
☀︎ 77%
10.9h
☀︎ 81%
12.2h
☀︎ 83%
13.4h
☀︎ 87%
14.0h
☀︎ 93%
12.9h
☀︎ 93%
11.1h
☀︎ 89%
9.2h
☀︎ 83%
7.1h
☀︎ 74%
5.0h
☀︎ 56%
WindE · 18 km/hE · 20 km/hE · 20 km/hN · 21 km/hN · 19 km/hN · 19 km/hN · 17 km/hN · 17 km/hN · 17 km/hNE · 18 km/hE · 18 km/hE · 18 km/h
Humidity (%)75%66%59%50%49%40%27%30%39%53%65%75%
Day length9.4h10.5h12.0h13.5h14.7h15.4h15.0h13.9h12.5h11.0h9.7h9.0h
Events & Festivals
JanFebMarAprMayJunJulAugSepOctNovDec
Treefort Music Fest
Bogus Basin Ski Season
Boise Art Museum Art in the Park
Idaho Shakespeare Festival
Spirit of Boise Balloon Classic
Winter Garden aGlow
Boise Holiday Parade
Boise Music Festival
Boise Pride Festival
Hyde Park Street Fair
Events & Festivals
  • Treefort Music FestfestivalSignature event
    March· 50k+ visitors

    This multi-genre indie music festival transforms downtown Boise into a vibrant hub of sound and art. Held in March, the…

  • Bogus Basin Ski Seasonsports
    December, January, February, March· 50k+ visitors

    From December to March, Bogus Basin Mountain Recreation Area offers skiing, snowboarding, and other winter sports just a…

  • Boise Art Museum Art in the Parkcultural
    September· 50k+ visitors

    This annual outdoor art show, held in September, showcases a wide array of art from regional and national artists. The w…

  • Idaho Shakespeare Festivalcultural
    June, July, August· 5k+ visitors

    Experience world-class outdoor theater under the stars from June to August. The warm summer evenings provide a perfect b…

  • Spirit of Boise Balloon Classicfestival
    August· 50k+ visitors

    Witness dozens of hot air balloons fill the morning sky during this spectacular event in August. Early morning starts ar…

  • Winter Garden aGlownature
    November, December· 50k+ visitors

    The Idaho Botanical Garden transforms into a magical wonderland of lights from November to December. Despite the cold wi…

  • Boise Holiday Paradeholiday
    December· 50k+ visitors

    Usher in the festive season with the annual Boise Holiday Parade, typically held in December. Expect cold winter weather…

  • Boise Music Festivalfestival
    June· 50k+ visitors

    This large outdoor music concert, typically held in June, brings together popular artists for a day of performances. The…

  • Boise Pride Festivalcultural
    September· 50k+ visitors

    Celebrate diversity and inclusion at the Boise Pride Festival, usually held in September. The pleasant early fall weathe…

  • Hyde Park Street Fairfestival
    September· 50k+ visitors

    This beloved neighborhood street fair, typically held in September, celebrates local culture with live music, food vendo…

Frequently asked questions

What is the best time to visit Boise?

The best time to visit Boise is June, May, October, September, August, with temperatures between 6 °C and 33 °C. The best month is June. June is low season.

What is the weather like in Boise?

Boise has a climate with an overall score of 5.6/10. Annual temperatures range from -4 °C to 34 °C.

What is the hottest month in Boise?

The hottest month in Boise is July, with average highs of 34 °C and lows of 19 °C.

What is the rainiest month in Boise?

The rainiest month in Boise is December, with an average of 56 mm of precipitation.