Gallatin County Loftslag and Average Veður
Loftslag of Gallatin County: average temperatures, rainfall and seasons month by month.
Loftslag in Gallatin County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 0° | -10° | 20 mm | ★★☆☆☆ |
| febrúar | 1° | -9° | 41 mm | ★★☆☆☆ |
| mars | 9° | -3° | 44 mm | ★★★☆☆ |
| apríl | 12° | -1° | 70 mm | ★★★☆☆ |
| maí | 16° | 3° | 80 mm | ★★★★☆ |
| júní | 21° | 7° | 51 mm | ★★★★☆ |
| júlí | 28° | 13° | 12 mm | ★★★★★ |
| ágúst | 27° | 11° | 15 mm | ★★★★★ |
| september | 22° | 8° | 25 mm | ★★★★☆ |
| október | 13° | 1° | 47 mm | ★★★☆☆ |
| nóvember | 6° | -4° | 26 mm | ★★★☆☆ |
| desember | 4° | -5° | 36 mm | ★★☆☆☆ |
Loftslag type: Subarctic. Heimild: Open-Meteo archive (ERA5).
Recent extremes in Gallatin County
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Gallatin County compares með 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 |
Best time til visit Gallatin County
Go in júní, júlí, ágúst and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for Gallatin County
Today is much warmer than average for október. The forecast high of 27°C is 13.9°C above the 13°C typical for this month.
Rigning 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 júní til ágúst.
The gap between the warmest and coldest month averages 25°C.
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 27°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Samantekt
Gallatin County is a county in mán.tana. Gallatin County is a county in the United States. Íbúafjöldinn er um 125.000.
Núna er hitinn 20°C (68°F) in Gallatin County með clear. Hitinn finnst vera 16°C. Í dag er hitinn frá 9°C til 27°C. Líkur á úrkomu eru 2%. Sightseeing conditions score 9.5/10 - frábært — farðu núna.
Besti tíminn til að heimsækja Gallatin County is júní, júlí, ágúst and september. Loftslagið er subarctic. janúar, febrúar and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 28°C, while janúar is the coldest með lows near -10°C.
Nearby highlights include Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Grand Teton National Park.
Í einföldu máli. Today is much warmer than average for október. The forecast high of 27°C is 13.9°C above the 13°C typical for this month. The best window til be outside is roughly 11 AM til 2 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
| Tegund | County |
|---|---|
| State | mán.tana |
| Land | Bandaríkin |
| Heimsálfa | Norður-Ameríka |
| Hnit | 45°40′37.2″N 111°2′34.4″W (45.677, -111.0429) |
| Mannfjöldi | 125.000 |
| Staðartími | 10:29 PM (UTC-06:00) |
| Best months | júní, júlí, ágúst and september |
| Loftslag | Subarctic |
Veður map for Gallatin County
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. 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.
Loftslag for related places
Frequently asked questions
Where is Gallatin County?
Gallatin County is a county in mán.tana. Its coordinates are 45.677, -111.0429. It lies in Norður-Ameríka.
What is the weather like in Gallatin County núna?
It is currently 20°C (68°F) með clear. Raki is 19% and wind is 12 km/h.
When is the best time til visit Gallatin County?
júní, júlí, ágúst and september offer the most comfortable conditions in Gallatin County, which has a subarctic climate. janúar, febrúar 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 10:29 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 5, 2026 at 10:29 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
