San Juan County Veður Spá
San Juan County weather: 3°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
San Juan County weather in október
Veður map for San Juan County
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Loftslag in San Juan 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 | 2° | -7° | 25 mm | ★★☆☆☆ |
| febrúar | 5° | -5° | 37 mm | ★★☆☆☆ |
| mars | 10° | -1° | 24 mm | ★★★☆☆ |
| apríl | 14° | 1° | 32 mm | ★★★★☆ |
| maí | 19° | 6° | 30 mm | ★★★★☆ |
| júní | 27° | 13° | 36 mm | ★★★★★ |
| júlí | 29° | 16° | 39 mm | ★★★★★ |
| ágúst | 27° | 15° | 74 mm | ★★★★☆ |
| september | 22° | 11° | 56 mm | ★★★★☆ |
| október | 16° | 5° | 95 mm | ★★★☆☆ |
| nóvember | 7° | -2° | 20 mm | ★★★☆☆ |
| desember | 5° | -4° | 15 mm | ★★★☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Best time til visit San Juan County
Go in maí, júní, júlí 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 til pack, what til skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 4 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.
How San Juan County compares með nearby places
Annual averages, and the difference against San Juan County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| mán.ument 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 | 198 mm |
| Moab | 108 km | 16°C | +6°C warmer | 205 mm |
| Grand County | 108 km | 16°C | +6°C warmer | 205 mm |
Sjá spá fyrir San Juan County eftir tímabili
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 Norður-Ameríka.
What is the weather like in San Juan County núna?
It is currently 3°C (37°F) með skýjað. Raki is 70% and wind is 6 km/h.
When is the best time til visit San Juan County?
maí, júní, júlí and september offer the most comfortable conditions in San Juan County, which has a continental climate. janúar, febrúar and desember 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 5:01 PM.
How many people live in San Juan County?
San Juan County has a population of approximately 14.500.
What is the nearest airport til San Juan County?
The closest airports are Salt Lake City International Airport (SLC), 399 km away.
What are the top things til do in San Juan County?
Popular options include mán.ument 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. |
|---|---|
| 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 28, 2026 at 5:01 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
