Boise in July
In July, Boise averages 35°C (95°F) during the day and 19°C (65°F) at night, with only about 1 rainy day.
High seasonConditions are very hot — early-morning and evening sightseeing recommended. Skies are generally dry and clear.
July in Boise is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How July compares to the rest of the year in Boise
July is one of the warmest months in Boise (1st of 12) and one of the driest months (11th of 12). Daytime temperature runs 16°C above the annual average (19°C). July runs 6°C warmer than June (29°C) and cools 1°C in August (34°C).
July sunrise & sunset in Boise
Times shown for Boise local time (America/Boise), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Boise — July
Golden-hour and blue-hour windows for the 15th of July, in Boise's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Boise in July
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Boise's popularity.
Crowds & pricing — July in Boise
This is a busy month in Boise — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — July in Boise
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Boise in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 4°C / 40°F | -4°C / 26°F | 43 mm | 10 | — |
| February | 8°C / 46°F | -2°C / 29°F | 38 mm | 9 | — |
| March | 13°C / 56°F | 2°C / 35°F | 39 mm | 9 | — |
| April | 18°C / 64°F | 4°C / 40°F | 31 mm | 7 | — |
| May | 23°C / 74°F | 9°C / 48°F | 39 mm | 8 | — |
| June | 29°C / 84°F | 14°C / 57°F | 22 mm | 3 | — |
| July | 35°C / 95°F | 19°C / 65°F | 2 mm | 1 | — |
| August | 34°C / 92°F | 18°C / 64°F | 5 mm | 1 | — |
| September | 28°C / 82°F | 13°C / 55°F | 15 mm | 3 | — |
| October | 19°C / 66°F | 7°C / 44°F | 26 mm | 5 | — |
| November | 10°C / 50°F | 0°C / 33°F | 37 mm | 8 | — |
| December | 4°C / 39°F | -3°C / 26°F | 55 mm | 12 | — |
Other cities with similar July weather
🌍 See the full ranked list of climate twins for Boise in July →
Frequently asked questions
How hot is Boise in July?
In July, Boise averages a high of 35°C (95°F) and a low of 19°C (65°F) — generally hot.
Does it rain a lot in Boise in July?
July is generally dry in Boise, with about 1 rainy day on average.
Is July a good time to visit Boise?
July is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Boise in July?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full July packing list for Boise for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.