San Juan County Météo Prévisions
San Juan County weather: 5°C, couvert. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
San Juan County weather in septembre
One of the best months à visit San Juan County.
septembre runs 7°C warmer than the annual average in San Juan County.
Météo map for San Juan 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.
Climat in San Juan 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 | 2° | -7° | 25 mm | ★★☆☆☆ |
| février | 5° | -5° | 37 mm | ★★☆☆☆ |
| mars | 10° | -1° | 24 mm | ★★★☆☆ |
| avril | 14° | 1° | 32 mm | ★★★★☆ |
| mai | 19° | 6° | 30 mm | ★★★★☆ |
| juin | 27° | 14° | 36 mm | ★★★★★ |
| juillet | 29° | 16° | 39 mm | ★★★★★ |
| août | 27° | 15° | 74 mm | ★★★★☆ |
| septembre | 22° | 11° | 32 mm | ★★★★★ |
| octobre | 16° | 5° | 105 mm | ★★★☆☆ |
| novembre | 7° | -2° | 20 mm | ★★★☆☆ |
| décembre | 5° | -4° | 15 mm | ★★★☆☆ |
Climat type: Continental. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter San Juan County
Go in mai, juin, juillet 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 à pack, what à skip
- 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 janvier, février and décembre – historically the least comfortable months here.
How San Juan County compares avec nearby places
Annual averages, and the difference against San Juan County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| lun.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 | 188 mm |
| Moab | 108 km | 16°C | +6°C warmer | 200 mm |
| Grand County | 108 km | 16°C | +6°C warmer | 200 mm |
Voir les prévisions de San Juan County par période
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.
Météo for related places
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 Amérique du Nord.
What is the weather like in San Juan County maintenant?
It is currently 5°C (42°F) avec couvert. Humidité is 89% and wind is 17 km/h.
When is the best time à visit San Juan County?
mai, juin, juillet and septembre offer the most comfortable conditions in San Juan County, which has a continental climate. janvier, février and décembre 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 heure locale is 11:41 AM.
How many people live in San Juan County?
San Juan County has a population of approximately 14.500.
What is the nearest airport à San Juan County?
The closest airports are Salt Lake City International Airport (SLC), 399 km away.
What are the top things à do in San Juan County?
Popular options include lun.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. |
|---|---|
| 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 25, 2026 at 11:41 AM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
