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Climate in Boise, Idaho

Idaho, United States

What the climate feels like in Boise, Idaho

Use this climate view to understand seasonal comfort in Boise, Idaho, including heat, winter conditions, air quality and weather risks.

Start with Overall Comfort: 2. 9 / 5 · Good; Summer Feel: 3 / 5 · Good.

  • Overall Comfort 2.9 / 5 · Good
  • Summer Feel 3 / 5 · Good
  • Average Summer High Very Hot · 100°F

Climate metrics

Overall Comfort 2.9 / 5 · Good
Summer Feel 3 / 5 · Good
Average Summer High Very Hot · 100°F
Days Above 90°F 46 days/year
Winter Feel 1.3 / 5 · Poor
Average Winter Low 12°F / -11°C
Days Below Freezing 128 days/year
Humidity Comfortable · 55% average
Comfortable Months 8 months
Solar Exposure 1,662 peak-sun-hr/yr · Moderate
Air Quality 4.3 / 5 · Excellent
Current AQI AQI 42 · Good
Recent Fine-Particle Pollution Good · 5.3 µg/m³ multi-year average
Best Months APR, MAY, OCT
Toughest Months DEC, JAN, FEB
Allergy Levels Poor
Heat Risk Moderate
Drought Risk High
Weather Volatility 2.8 / 5 · Moderate