Gallatin County Météo Prévisions
Gallatin County weather: -0°C, forte neige. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
Climat in Gallatin County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 0° | -10° | 20 mm | ★★☆☆☆ |
| février | 1° | -9° | 41 mm | ★★☆☆☆ |
| mars | 9° | -3° | 44 mm | ★★★☆☆ |
| avril | 12° | -1° | 70 mm | ★★★☆☆ |
| mai | 16° | 3° | 80 mm | ★★★★☆ |
| juin | 21° | 7° | 51 mm | ★★★★☆ |
| juillet | 28° | 13° | 12 mm | ★★★★★ |
| août | 27° | 11° | 15 mm | ★★★★★ |
| septembre | 22° | 8° | 25 mm | ★★★★☆ |
| octobre | 13° | 1° | 47 mm | ★★★☆☆ |
| novembre | 6° | -4° | 26 mm | ★★★☆☆ |
| décembre | 4° | -5° | 36 mm | ★★☆☆☆ |
Climat type: Subarctic. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter Gallatin County
Go in juin, juillet, août and septembre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janvier, février and décembre – expect the least comfortable mix of heat, cold or rain.
Recent extremes in Gallatin County
Élevéest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Gallatin County compares avec 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 |
What à pack, what à skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots avec 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 janvier, février and décembre – historically the least comfortable months here.
Voir les prévisions de Gallatin County par période
Gallatin County weather – more answers
Explore Gallatin County
Every topic we hold for this place, and the same topic for the places around it.
Météo for related places
Frequently asked questions
Where is Gallatin County?
Gallatin County is a county in lun.tana. Its coordinates are 45.677, -111.0429. It lies in Amérique du Nord.
What is the weather like in Gallatin County maintenant?
It is currently -0°C (32°F) avec forte neige. Humidité is 98% and wind is 16 km/h.
When is the best time à visit Gallatin County?
juin, juillet, août and septembre offer the most comfortable conditions in Gallatin County, which has a subarctic climate. janvier, février and décembre are usually the hardest months for outdoor plans.
What time zone is Gallatin County in?
Gallatin County observes America/Denver (UTC-06:00). The heure locale is 3:12 PM.
How many people live in Gallatin County?
Gallatin County has a population of approximately 125.000.
What are the top things à 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. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Météo 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 octobre 24, 2026 at 3:12 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.





