San Juan County المناخ and Average الطقس
المناخ of San Juan County: average temperatures, rainfall and seasons month by month.
المناخ in San Juan County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| الشهر | Avg high | Avg low | مطرfall | Rating |
|---|---|---|---|---|
| يناير | 2° | -7° | 25 mm | ★★☆☆☆ |
| فبراير | 5° | -5° | 37 mm | ★★☆☆☆ |
| مارس | 10° | -1° | 24 mm | ★★★☆☆ |
| أبريل | 14° | 1° | 32 mm | ★★★★☆ |
| ماي | 19° | 6° | 30 mm | ★★★★☆ |
| يونيو | 27° | 14° | 36 mm | ★★★★★ |
| يوليو | 29° | 16° | 39 mm | ★★★★★ |
| أغسطس | 27° | 15° | 74 mm | ★★★★☆ |
| سبتمبر | 22° | 11° | 32 mm | ★★★★★ |
| أكتوبر | 16° | 5° | 105 mm | ★★★☆☆ |
| نوفمبر | 7° | -2° | 20 mm | ★★★☆☆ |
| ديسمبر | 5° | -4° | 15 mm | ★★★☆☆ |
المناخ type: القارةal. المصدر: Open-Meteo archive (ERA5).
Recent extremes in San Juan County
مرتفعest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How San Juan County compares مع nearby places
Annual averages, and the difference against San Juan County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| الإثنينument 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 |
أفضل وقت للزيارة San Juan County
Go in ماي, يونيو, يوليو and سبتمبر. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: يناير, فبراير and ديسمبر - expect the least comfortable mix of heat, cold or rain.
What this means for San Juan County
Today is much colder than average for سبتمبر. The forecast high of 13°C is 9.1°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 يونيو و أغسطس.
The gap between the warmest and coldest month averages 25°C.
What و pack, what و skip
- Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid يناير, فبراير and ديسمبر - historically the least comfortable months here.
الملخص
San Juan County is a county in Utah. San Juan County is a county in the United States. يبلغ عدد سكانها نحو 14.500.
درجة الحرارة الآن 10°C (50°F) in San Juan County مع غائم. المحسوسة 6°C. تتراوح درجات الحرارة اليوم بين 9°C و 13°C. احتمال هطول الأمطار 60%. Sightseeing conditions score 7.1/10 - ظروف جيدة.
أفضل وقت لزيارة San Juan County is ماي, يونيو, يوليو and سبتمبر. المناخ continental. يناير, فبراير and ديسمبر tend و be the least comfortable months. يوليو is the warmest month مع average highs near 29°C, while يناير is the coldest مع lows near -7°C.
The closest major airport is Salt Lake City International Airport (SLC), about 399 km away. Nearby highlights include الإثنينument Valley, Canyonlands National Park, Dead Horse Point State Park and Arches National Park.
باختصار. Today is much colder than average for سبتمبر. The forecast high of 13°C is 9.1°C below the 22°C typical for this month. The best window و be outside is roughly 3 PM و 6 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in San Juan County today at 9.2/10. 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
| النوع | County |
|---|---|
| State | Utah |
| الدولة | الولايات المتحدة |
| القارة | أمريكا الشمالية |
| الإحداثيات | 37°37′30″N 109°47′60″W (37.625, -109.8) |
| السكان | 14.500 |
| التوقيت المحلي | 8:52 PM (UTC-06:00) |
| Best months | ماي, يونيو, يوليو and سبتمبر |
| المناخ | القارةal |
الطقس map for San Juan County
Animated model layers. Pick a layer و load it.
Animated layers by الرياحy. 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.
المناخ 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 أمريكا الشمالية.
What is the weather like in San Juan County الآن?
It is currently 10°C (50°F) مع غائم. الرطوبة is 60% and wind is 13 km/h.
When is the best time و visit San Juan County?
ماي, يونيو, يوليو and سبتمبر offer the most comfortable conditions in San Juan County, which has a continental climate. يناير, فبراير and ديسمبر 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 8:52 PM.
How many people live in San Juan County?
San Juan County has a population of approximately 14.500.
What is the nearest airport و San Juan County?
The closest airports are Salt Lake City International Airport (SLC), 399 km away.
What are the top things و do in San Juan County?
Popular options include الإثنينument 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. |
|---|---|
| التوقعات and observations | Open-Meteo (ECMWF and national models). |
| جودة الهواء and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| المناخ averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National الطقس 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 سبتمبر 30, 2026 at 8:52 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
