San Juan County Vejr Prognose
San Juan County weather: 21°C, klar himmel. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
San Juan County weather in september
One of the best months og visit San Juan County.
september runs 7°C warmer than the annual average in San Juan County.
Compare med august.
Vejr map for San Juan County
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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in San Juan 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 | 2° | -7° | 25 mm | ★★☆☆☆ |
| februar | 5° | -5° | 37 mm | ★★☆☆☆ |
| marts | 10° | -1° | 24 mm | ★★★☆☆ |
| april | 14° | 1° | 32 mm | ★★★★☆ |
| maj | 19° | 6° | 30 mm | ★★★★☆ |
| juni | 27° | 14° | 36 mm | ★★★★★ |
| juli | 29° | 16° | 39 mm | ★★★★★ |
| august | 27° | 15° | 74 mm | ★★★★☆ |
| september | 22° | 11° | 32 mm | ★★★★★ |
| oktober | 16° | 5° | 105 mm | ★★★☆☆ |
| november | 7° | -2° | 20 mm | ★★★☆☆ |
| december | 5° | -4° | 15 mm | ★★★☆☆ |
Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid San Juan County
Go in maj, juni, juli and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and december - expect the least comfortable mix of heat, cold or rain.
What og pack, what og skip
- Layers - the daily swing is 13°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid januar, februar and december - historically the least comfortable months here.
How San Juan County compares med nearby places
Annual averages, and the difference against San Juan County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| manument Valley | 75 km | 14°C | +5°C warmer | 154 mm |
| Canyonlands National Park | 78 km | 15°C | +5°C warmer | 127 mm |
| Dead Horse Point State Park | 95 km | 13°C | +4°C warmer | 188 mm |
| Moab | 108 km | 16°C | +6°C warmer | 200 mm |
| Grand County | 108 km | 16°C | +6°C warmer | 200 mm |
Se prognosen for San Juan County efter tidsinterval
San Juan County weather - more answers
Explore San Juan County
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is San Juan County?
San Juan County is a county in Utah. Its coordinates are 37.625, -109.8. It lies in Nordamerika.
What is the weather like in San Juan County lige nu?
It is currently 21°C (70°F) med klar himmel. Luftfugtighed is 35% and wind is 15 km/h.
When is the best time og visit San Juan County?
maj, juni, juli and september offer the most comfortable conditions in San Juan County, which has a continental climate. januar, februar and december are usually the hardest months for outdoor plans.
What time zone is San Juan County in?
San Juan County observes America/Denver (UTC-06:00). The local time is 7:39 PM.
How many people live in San Juan County?
San Juan County has a population of approximately 14.500.
What is the nearest airport og San Juan County?
The closest airports are Salt Lake City International Airport (SLC), 399 km away.
What are the top things og do in San Juan County?
Popular options include manument Valley, Canyonlands National Park, Dead Horse Point State Park, Arches National Park, Mesa Verde National Park and Mesa Verde (UNESCO World Heritage Site).
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Prognose 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 Vejr 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 oktober 4, 2026 at 7:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
