Gallatin County Klima and Average Vær
Klima of Gallatin County: average temperatures, rainfall and seasons month by month.
Klima in Gallatin County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 0° | -10° | 20 mm | ★★☆☆☆ |
| februar | 1° | -9° | 41 mm | ★★☆☆☆ |
| mars | 9° | -3° | 44 mm | ★★★☆☆ |
| april | 12° | -1° | 70 mm | ★★★☆☆ |
| mai | 16° | 3° | 80 mm | ★★★★☆ |
| juni | 21° | 7° | 51 mm | ★★★★☆ |
| juli | 28° | 13° | 12 mm | ★★★★★ |
| august | 27° | 11° | 15 mm | ★★★★★ |
| september | 22° | 8° | 25 mm | ★★★★☆ |
| oktober | 13° | 1° | 47 mm | ★★★☆☆ |
| november | 6° | -4° | 26 mm | ★★★☆☆ |
| desember | 4° | -5° | 36 mm | ★★☆☆☆ |
Klima type: Subarctic. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Gallatin County
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Gallatin County compares med 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 |
Beste tid å besøke Gallatin County
Go in juni, juli, august and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for Gallatin County
Today is about average for september. The forecast high of 21°C is in line med the 22°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni til august.
The gap between the warmest and coldest month averages 25°C.
What til pack, what til skip
- sønglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 19°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid januar, februar and desember - historically the least comfortable months here.
Sammendrag
Gallatin County is a county in mantana. Gallatin County is a county in the United States. Befolkningen er rundt 125.000.
Akkurat nå er det 15°C (58°F) in Gallatin County med klar himmel. Det føles som 13°C. I dag varierer temperaturen mellom 10°C til 21°C. Sannsynligheten for nedbør er 2%. Sightseeing conditions score 9.8/10 - utmerket — dra nå.
Beste tidspunkt å besøke Gallatin County is juni, juli, august and september. Klimaet er subarctic. januar, februar and desember tend til be the least comfortable months. juli is the warmest month med average highs near 28°C, while januar is the coldest med lows near -10°C.
Nearby highlights include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Grand Teton National Park.
Kort sagt. Today is about average for september. The forecast high of 21°C is in line med the 22°C typical for this month. The best window til be outside is roughly 2 PM til 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Gallatin County today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Gallatin County
| Type | County |
|---|---|
| State | mantana |
| Land | USA |
| Kontinent | Nord-Amerika |
| Koordinater | 45°40′37.2″N 111°2′34.4″W (45.677, -111.0429) |
| Befolkning | 125.000 |
| Lokal tid | 6:04 PM (UTC-06:00) |
| Best months | juni, juli, august and september |
| Klima | Subarctic |
Vær map for Gallatin County
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. 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.
Klima for related places
Frequently asked questions
Where is Gallatin County?
Gallatin County is a county in mantana. Its coordinates are 45.677, -111.0429. It lies in Nord-Amerika.
What is the weather like in Gallatin County akkurat nå?
It is currently 15°C (58°F) med klar himmel. Luftfuktighet is 48% and wind is 4 km/h.
When is the best time til visit Gallatin County?
juni, juli, august and september offer the most comfortable conditions in Gallatin County, which has a subarctic climate. januar, februar and desember 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 6:04 PM.
How many people live in Gallatin County?
Gallatin County has a population of approximately 125.000.
What are the top things til 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vær 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 september 30, 2026 at 6:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
