Gallatin County 氣候 and Average 天氣
氣候 of Gallatin County: average temperatures, rainfall and seasons month by month.
氣候 in Gallatin County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 0° | -10° | 20 mm | ★★☆☆☆ |
| 二月 | 1° | -9° | 41 mm | ★★☆☆☆ |
| 三月 | 9° | -3° | 44 mm | ★★★☆☆ |
| 四月 | 12° | -1° | 70 mm | ★★★☆☆ |
| 五月 | 16° | 3° | 80 mm | ★★★★☆ |
| 六月 | 21° | 7° | 51 mm | ★★★★☆ |
| 七月 | 28° | 13° | 12 mm | ★★★★★ |
| 八月 | 27° | 11° | 15 mm | ★★★★★ |
| 九月 | 22° | 8° | 25 mm | ★★★★☆ |
| 十月 | 13° | 1° | 47 mm | ★★★☆☆ |
| 十一月 | 6° | -4° | 26 mm | ★★★☆☆ |
| 十二月 | 4° | -5° | 36 mm | ★★☆☆☆ |
氣候 type: Subarctic. 來源： Open-Meteo archive (ERA5).
Recent extremes in Gallatin County
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Gallatin County compares，天氣為nearby places
Annual averages, and the difference against Gallatin County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Bozeman | 0 km | 7°C | about the same | 467 mm |
| Missouri River | 127 km | 8°C | +1°C warmer | 395 mm |
| Yellowstone (UNESCO World Heritage Site) | 143 km | 2°C | 5°C cooler | 635 mm |
| Yellowstone National Park | 143 km | 2°C | 5°C cooler | 635 mm |
| Grand Teton National Park | 212 km | 4°C | 3°C cooler | 761 mm |
最佳旅遊時間 Gallatin County
Go in 六月, 七月, 八月 and 九月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for Gallatin County
Today is much colder than average for 十月. The forecast high of 4°C is 9.4°C below the 13°C typical for this month.
雨 is very unlikely today - plans do not need a backup.
Overnight lows near -4°C mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in 六月至八月.
The gap between the warmest and coldest month averages 25°C.
What至pack, what至skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots，天氣為grip for ice
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
Gallatin County is a county in 週一tana. Gallatin County is a county in the United States. 人口約為125.000.
目前氣溫為-0°C (32°F) in Gallatin County，天氣為晴朗. 體感溫度為-3°C. 今天氣溫介於-4°C至4°C. 降雨機率為6%. Sightseeing conditions score 7.2/10 - 良好.
最佳旅遊時間是Gallatin County is 六月, 七月, 八月 and 九月. 氣候為subarctic. 一月, 二月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天氣為average highs near 28°C, while 一月 is the coldest，天氣為lows near -10°C.
Nearby highlights include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Grand Teton National Park.
簡單來說。 Today is much colder than average for 十月. The forecast high of 4°C is 9.4°C below the 13°C typical for this month. The best window至be outside is roughly 2 PM至5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Gallatin County today at 9.8/10. Overnight lows near -4°C mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Gallatin County
天氣 map for Gallatin County
Animated model layers. Pick a layer至load it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
Explore Gallatin County
Every topic we hold for this place, and the same topic for the places around it.
氣候 for related places
Frequently asked questions
Where is Gallatin County?
Gallatin County is a county in 週一tana. Its coordinates are 45.677, -111.0429. It lies in 北美洲.
What is the weather like in Gallatin County現在?
It is currently -0°C (32°F)，天氣為晴朗. 濕度 is 79% and wind is 5 km/h.
When is the best time至visit Gallatin County?
六月, 七月, 八月 and 九月 offer the most comfortable conditions in Gallatin County, which has a subarctic climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.
What time zone is Gallatin County in?
Gallatin County observes America/Denver (UTC-06:00). The local time is 4:43 AM.
How many people live in Gallatin County?
Gallatin County has a population of approximately 125.000.
What are the top things至do in Gallatin County?
Popular options include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Grand Teton National Park and Grand Teton.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 十月 25, 2026 at 4:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
