Gallatin County Climat and Average Météo
Climat of Gallatin County: average temperatures, rainfall and seasons month by month.
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).
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 |
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 this means for Gallatin County
Today is about average for octobre. The forecast high of 13°C is in line avec the 13°C typical for this month.
A 94% chance means rain is expected over most of the area. Plan indoor alternatives. Around 14 mm is forecast, which is enough à soak trails and slow traffic.
Overnight lows near -1°C mean ice is possible on bridges before dawn. Neige is falling now – expect reduced traction and slower journeys.
Northern Hemisphere, so peak summer falls in juin à août.
The gap between the warmest and coldest month averages 25°C.
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.
Résumé
Gallatin County is a county in lun.tana. Gallatin County is a county in the United States. Sa population est d’environ 125.000.
Actuellement, il fait -0°C (32°F) in Gallatin County avec forte neige. La température ressentie est de -5°C. Aujourd’hui, les températures vont de -1°C à 13°C. La probabilité de précipitations est de 94%. Les conditions pour les visites obtiennent 4.6/10 – marginal.
La meilleure période pour visiter Gallatin County is juin, juillet, août and septembre. Le climat est subarctic. janvier, février and décembre sont généralement les mois les moins confortables. juillet est le mois le plus chaud, avec des maximales moyennes proches de 28°C, tandis que janvier est le mois le plus froid, avec des minimales proches de -10°C.
Parmi les sites à proximité, citons Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Grand Teton National Park.
En termes simples. Today is about average for octobre. The forecast high of 13°C is in line avec the 13°C typical for this month. The best window à be outside is roughly 3 PM à 6 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Gallatin County today at 7.2/10. Overnight lows near -1°C mean ice is possible on bridges before dawn. Neige is falling now – expect reduced traction and slower journeys.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Gallatin County
| Type | County |
|---|---|
| State | lun.tana |
| Pays | États-Unis |
| Continent | Amérique du Nord |
| Coordonnées | 45°40′37.2″N 111°2′34.4″W (45.677, -111.0429) |
| Population | 125.000 |
| Heure locale | 7:48 AM (UTC-06:00) |
| Meilleurs mois | juin, juillet, août and septembre |
| Climat | Subarctic |
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.
Explore Gallatin County
Every topic we hold for this place, and the same topic for the places around it.
Climat 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 7:48 AM.
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 7:48 AM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
