博伊西 8月 天气
博伊西的8月：炎热、干爽——极佳的出行时机。
更新于 2026年9月 · 气候平均值来自 ERA5 再分析
博伊西：12 个月中排第 6 · 8月值得去的目的地 1413 个中第 623 · 舒适度 81/100（等级 A）
- 白天
- 33°C
- 夜间
- 17°C
- 雨天
- 1
- 日照
- 12.5 h
- 湿度
- 34%
- 白昼时间
- 14 h
8月的博伊西旅人笔记
来自附近森瓦利的笔记（相距 149 公里）
博伊西还没有自己在8月的笔记——下面这些是关于森瓦利的，离得够近，季节相同。
Forum posters consistently describe August weather in Sun Valley itself as wonderful, with the in-town river, bike path and hot springs all named as highlights for the season. Posters do flag a real day-trip caveat: nearby Craters of the Moon National Monument gets genuinely, uncomfortably hot in August, with posters recommending an early start, plenty of water and sun protection for that specific excursion even though Sun Valley proper stays comfortable. Posters also point to the area's free outdoor symphony (reportedly the largest free symphony series in the US) as a distinctive summer draw. The clear practical tip posters repeat: book accommodation well ahead, since hotels have filled up as early as May in past years for the August season.
博伊西的其他月份
Forum posters describe March in Boise as genuinely transitional - it could feel like winter or like spring, sometimes both within the same day. Posters citing a mid-March spring break stretch reported daytime highs typically in the low 60sF with nighttime lows in the 30sF, alongside spring flowers and greenery starting to appear. Posters discussing wintry conditions that occasionally linger into late February or early March are consistent that any snow or cold snap this late in the season tends to resolve within a day or two rather than sticking around. Posters generally rate March as a genuinely mixed early-spring month for Boise, mild afternoons and chilly mornings the reliable pattern, with real day-to-day variability still worth planning around.
Forum regulars consistently pick September as prime time: mid-month temperatures run about 10 degrees cooler than late August (roughly 65F vs 75F), so you still get long warm days and comfortable nights without August's peak heat and fire risk. One poster's blunt reasoning: it's hot in August with a real chance of wildfire smoke, so September is when 'most tourists are gone and locals have their place back' - you also land right in the run of outdoor events like Jazz on the Grove and the weekly Alive After Five series. Worth a heads-up regardless: wildland fire smoke is possible in September, not guaranteed, but common enough that forum regulars flag it every year.
在地图上博伊西的卡片里写下你自己的笔记。
博伊西气候平均值——8月
月平均值来自 ERA5 再分析。AQI 为该月美国空气质量指数的平均值。
博伊西在8月的人潮
这里看的是地方本身有多热闹——学校假期和全民假期、编辑标注的月份，以及天气让它有多抢手。人潮从不计入舒适度分数。
人潮高峰Western Idaho Fair、美国的Summer break、主要客源市场中有 2 个正逢学校假期（估算）
人潮高峰人多平季人少
博伊西天气最好的月份
按这个目的地自己全年的气候舒适度分数排序——这和它有多拥挤是两回事（见上方的人潮）。
天气尚可博伊西天气最好的时候是5月、6月和9月——是几段分开的窗口，而不是一个连续的季节。
天气最佳天气尚可天气最难熬
8月的博伊西有什么活动
每年重复的季节活动、自然奇观、停业期和假期——经过编辑筛选并附上来源。
- 开放
Float the Boise season
6月20日 – 9月7日 · 通常夏季开张The city opens the river to tubes once the spring runoff drops to a safe flow, usually late June, and shuts it on Labor Day when the shuttle and rental stop. The start date is announced a week or two ahead, not fixed. 来源 ↗
- 风险
Wildfire smoke season
7月1日 – 9月20日 · 通常Smoke from fires in the Idaho backcountry and from Oregon and California settles into the valley for stretches of days at a time. Some summers barely register; in a bad one the foothills disappear for a fortnight. 来源 ↗
- 节庆
Western Idaho Fair
8月14–30日 · 通常重要节庆人多Ten days of livestock barns, fried food and grandstand concerts at Expo Idaho, and the closest thing the Treasure Valley has to a shared calendar date. Evenings are the only tolerable time to walk it. 来源 ↗
就在附近，而且正有活动
博伊西方圆 300 公里内——一日游或短途可达——而且这个月有活动。绝不计入舒适度分数。
博伊西在哪里？
8月的博伊西——常见问题
- 8月适合去博伊西吗？
- 博伊西的8月：炎热、干爽——极佳的出行时机。以 SeasonMap 的舒适度分数来看，这是博伊西 12 个月里的第 6 名（81/100）。
- 博伊西在8月的天气怎么样？
- 8月的博伊西平均最高气温 33.4°C、最低气温 17.2°C，降雨约 7 mm，雨天约 1.2 天。
- 博伊西在8月的空气质量如何？
- 博伊西在8月的美国 AQI 月平均值约为 52。
300 公里内：Sun Valley的Wildflowers on the trails在7月1日 – 8月10日前后举行。