Updated October 2026
Oregon Caves National Monument & Preserve Weather by Month
Oregon Caves National Monument & Preserve is warmest in July, when the nearest NOAA climate station averages a high of 94°F and a low of 52°F, and coldest in January, with an average high of 49°F and an average low of 33°F. December is the wettest month, with about 13 inches of precipitation. Snowfall is heaviest in January, at about 2.1 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 12.9 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Oregon Caves National Monument & Preserve can differ from these, particularly with elevation.
Warmest month
Jul
94°F avg high
Coldest month
Jan
33°F avg low
Wettest month
Dec
13.0 in avg
Snowiest month
Jan
2.1 in avg
Longest days
Jun
15.1 h of daylight
Average weather at Oregon Caves by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 49°F | 33°F | 11.4 in | 2.1 in | 9.3 h |
| February | 55°F | 33°F | 8.5 in | 1.2 in | 10.4 h |
| March | 60°F | 34°F | 8.6 in | 1.5 in | 11.7 h |
| April | 67°F | 37°F | 4.1 in | 0.2 in | 13.1 h |
| May | 76°F | 42°F | 2.1 in | 0.0 in | 14.4 h |
| June | 84°F | 47°F | 0.8 in | 0.0 in | 15.1 h |
| July | 94°F | 52°F | 0.3 in | 0.0 in | 14.8 h |
| August | 94°F | 49°F | 0.3 in | 0.0 in | 13.7 h |
| September | 87°F | 44°F | 0.8 in | 0.0 in | 12.3 h |
| October | 72°F | 39°F | 3.5 in | 0.0 in | 10.8 h |
| November | 55°F | 36°F | 8.0 in | 0.2 in | 9.6 h |
| December | 47°F | 33°F | 13.0 in | 1.9 in | 8.9 h |
| Year total | 61.4 in | 7.1 in |
NOAA 1991–2020 climate normals from station USC00351448, 12.9 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Oregon Caves is at that time of year.
Oregon Caves weather by season
Winter: December to February
Average highs climb from 47°F in December to 55°F in February, with average lows near 33°F. Together the three months average 32.9 inches of precipitation, about 54% of the yearly total and more than in any other season. Snowfall averages about 5.2 inches for the season. Daylight is at its shortest, about 8.9 hours in December.
Spring: March to May
Average highs climb from 60°F in March to 76°F in May, with average lows between 34°F and 42°F. Together the three months average 14.8 inches of precipitation, about 24% of the yearly total. Snowfall averages about 1.7 inches for the season, most of it in March. Daylight lengthens from about 11.7 hours in March to 14.4 in May.
Summer: June to August
Average highs climb from 84°F in June to 94°F in August, with average lows between 47°F and 52°F. The average high is 90°F or hotter in July and August. Together the three months average 1.4 inches of precipitation, about 2% of the yearly total and less than in any other season. Daylight is at its longest, about 15.1 hours in June.
Fall: September to November
Average highs fall from 87°F in September to 55°F in November, with average lows between 36°F and 44°F. Together the three months average 12.3 inches of precipitation, about 20% of the yearly total. Snowfall averages about 0.2 inches for the season. Daylight shortens from about 12.3 hours in September to 9.6 in November.
What the National Park Service says about the weather
For current weather conditions visit https://forecast.weather.gov/MapClick.php?lat=42.07376224008719&lon=-123.3984375&site=mfr&smap=1&unit=0&lg=en&FcstType=text#.YCGJRWhKjIV
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Oregon Caves
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 42.10°N, 123.40°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Oregon Caves National Monument & Preserve →
Weather and crowds together
July is both the warmest month and the busiest, with about 2.4× the visitors of the park's average month. January is the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Oregon Caves National Monument & Preserve. For hotels, cabins and rentals close to the park, see where to stay near Oregon Caves.
Where to stay near Oregon Caves
Picked a month for Oregon Caves National Monument & Preserve? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Oregon Caves
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Oregon Caves?
Get crowd forecasts and lodging deals for Oregon Caves by email. No spam, unsubscribe anytime.
Frequently Asked Questions
July is the warmest month at Oregon Caves National Monument & Preserve, with an average high of 94°F and an average low of 52°F. That is the 1991–2020 average at the nearest long-record NOAA station, 12.9 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Oregon Caves National Monument & Preserve, with an average low of 33°F and an average high of 49°F, based on NOAA 1991–2020 climate normals.
December is the wettest month, with about 13 inches of precipitation. July and August are the driest, at about 0.3 inches each. The station records about 61.4 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 12.9 miles from the park's reference point, averages about 7.1 inches of snow a year. January is the snowiest month, at about 2.1 inches. The station averages at least a tenth of an inch of snow in 6 of the 12 months.
Weather at nearby parks
60 mi away · warmest in September (69°F)
87 mi away · warmest in August (69°F)
100 mi away · warmest in July (86°F)
105 mi away · warmest in July (86°F)
111 mi away · warmest in July (96°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00351448), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.