Gallatin County Météo Prévisions
Gallatin County weather: 19°C, ciel dégagé. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
Gallatin County weather in juillet
One of the best months à visit Gallatin County.
juillet runs 14°C warmer than the annual average in Gallatin County.
Météo map for Gallatin County
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
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.
What à pack, what à skip
- dim.glasses, a brimmed hat and SPF 30+
- Layers – the daily swing is 26°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid janvier, février and décembre – historically the least comfortable months here.
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 |
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 19°C (66°F) avec ciel dégagé. Humidité is 16% and wind is 6 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 8:12 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 4, 2026 at 8:12 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
