San Juan County Climat and Average Météo
Climat of San Juan County: average temperatures, rainfall and seasons month by month.
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).
Recent extremes in San Juan County
Élevéest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
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 |
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 this means for San Juan County
Today is much colder than average for septembre. The forecast high of 13°C is 8.7°C below the 22°C typical for this month.
A 60% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in juin à août.
The gap between the warmest and coldest month averages 25°C.
What à pack, what à skip
- Layers – the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janvier, février and décembre – historically the least comfortable months here.
Résumé
San Juan County is a county in Utah. San Juan County is a county in the United States. Sa population est d’environ 14.500.
Actuellement, il fait 12°C (53°F) in San Juan County avec couvert. La température ressentie est de 9°C. Aujourd’hui, les températures vont de 9°C à 13°C. La probabilité de précipitations est de 60%. Les conditions pour les visites obtiennent 7.3/10 – bonnes conditions.
La meilleure période pour visiter San Juan County is mai, juin, juillet and septembre. Le climat est continental. janvier, février and décembre sont généralement les mois les moins confortables. juillet est le mois le plus chaud, avec des maximales moyennes proches de 29°C, tandis que janvier est le mois le plus froid, avec des minimales proches de -7°C.
L’aéroport principal le plus proche est Salt Lake City International Airport (SLC), about 399 km away. Parmi les sites à proximité, citons lun.ument Valley, Canyonlands National Park, Dead Horse Point State Park and Arches National Park.
En termes simples. Today is much colder than average for septembre. The forecast high of 13°C is 8.7°C below the 22°C typical for this month. The best window à be outside is roughly 12 PM à 3 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in San Juan County today at 8.9/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about San Juan County
| Type | County |
|---|---|
| State | Utah |
| Pays | États-Unis |
| Continent | Amérique du Nord |
| Coordonnées | 37°37′30″N 109°47′60″W (37.625, -109.8) |
| Population | 14.500 |
| Heure locale | 4:47 PM (UTC-06:00) |
| Meilleurs mois | mai, juin, juillet and septembre |
| Climat | Continental |
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.
Explore San Juan County
Every topic we hold for this place, and the same topic for the places around it.
Climat 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 12°C (53°F) avec couvert. Humidité is 81% and wind is 19 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 4:47 PM.
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 septembre 30, 2026 at 4:47 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
