Mount McLoughlinWhen to Go
Best Time to Visit Mount McLoughlin
Best from June through September for safe and accessible routes; mountain weather remains changeable.
Summer
June-September · 5-22°C (41-72°F)
Best for hiking and climbing; most snow melted by mid-summer.
Late spring
May-June · 0-12°C (32-54°F)
Potential snow at higher elevations; wildflowers begin lower down.
Weather & Climate near Mount McLoughlin
Climate
Mount McLoughlin's climate is classified as Subarctic (Dry Summer) - Subarctic (Dry Summer) climate with cool summers (peaking in August) and freezing winters (coldest in March). Temperatures range from -8°C to 18°C. Abundant rainfall (1793 mm/year), wettest in December with a pronounced dry season.
Air Quality:
AQI 32
Good
Temperature & Rainfall
Temperature Range
18°
Warmest Month
-8°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -6° - 2° | -7° | 262 mm | - | - | 4.4 m/s | - | - |
| February | - | -7° - 2° | -7° | 217 mm | - | - | 4.2 m/s | - | - |
| March | - | -8° - 1° | -9° | 211 mm | - | - | 4.0 m/s | - | - |
| April | - | -8° - 3° | -7° | 147 mm | - | - | 3.9 m/s | - | - |
| May | - | -5° - 7° | -3° | 97 mm | - | - | 3.8 m/s | - | - |
| June | - | -1° - 11° | 2° | 61 mm | - | - | 3.7 m/s | - | - |
| July | - | 3° - 17° | 8° | 26 mm | - | - | 3.5 m/s | - | - |
| August | - | 3° - 18° | 11° | 35 mm | - | - | 3.4 m/s | - | - |
| September | - | 2° - 15° | 6° | 59 mm | - | - | 3.5 m/s | - | - |
| October | - | -1° - 11° | 2° | 127 mm | - | - | 3.8 m/s | - | - |
| November | - | -6° - 4° | -6° | 269 mm | - | - | 4.2 m/s | - | - |
| December | - | -7° - 2° | -8° | 282 mm | - | - | 4.3 m/s | - | - |
Getting There & Around
How to Get to Mount McLoughlin
The most common access is from trailheads off Highway 140 near the town of Lake of the Woods and Aspen Lake Road. The area is managed by the U.S. Forest Service (Rogue River-Siskiyou National Forest); consult local ranger stations for route conditions.
Tips for Visiting Mount McLoughlin
- Start early-the south ridge ascent is popular and offers better weather windows in the morning.
- Consider hiring a local guide if unfamiliar with route-finding; snowfields can persist into summer on higher sections.
- Check with Oregon Parks and local ranger stations for wildfire closures and trail advisories.