Updated October 2026
Bent's Old Fort National Historic Site Weather by Month
Bent's Old Fort National Historic Site is warmest in July, when the nearest NOAA climate station averages a high of 95°F and a low of 64°F, and coldest in January, with an average high of 47°F and an average low of 18°F. July is the wettest month, with about 2.2 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 4.8 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Bent's Old Fort National Historic Site can differ from these, particularly with elevation.
Warmest month
Jul
95°F avg high
Coldest month
Jan
18°F avg low
Wettest month
Jul
2.2 in avg
Longest days
Jun
14.6 h of daylight
Average weather at Bent's Old Fort by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 47°F | 18°F | 0.2 in | 9.6 h |
| February | 51°F | 21°F | 0.3 in | 10.6 h |
| March | 61°F | 30°F | 0.7 in | 11.7 h |
| April | 69°F | 38°F | 1.2 in | 13.0 h |
| May | 79°F | 48°F | 1.6 in | 14.1 h |
| June | 90°F | 58°F | 1.3 in | 14.6 h |
| July | 95°F | 64°F | 2.2 in | 14.4 h |
| August | 92°F | 62°F | 1.4 in | 13.5 h |
| September | 84°F | 53°F | 0.8 in | 12.2 h |
| October | 71°F | 39°F | 0.9 in | 11.0 h |
| November | 57°F | 27°F | 0.4 in | 9.9 h |
| December | 46°F | 18°F | 0.3 in | 9.4 h |
| Year total | 11.3 in |
NOAA 1991–2020 climate normals from station USW00023067, 4.8 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Bent's Old Fort is at that time of year.
Bent's Old Fort weather by season
Winter: December to February
Average highs climb from 46°F in December to 51°F in February, with average lows between 18°F and 21°F. The average low is at or below freezing in all three months. Together the three months average 0.8 inches of precipitation, about 7% of the yearly total and less than in any other season. Daylight is at its shortest, about 9.4 hours in December.
Spring: March to May
Average highs climb from 61°F in March to 79°F in May, with average lows between 30°F and 48°F. The average low is at or below freezing in March. Together the three months average 3.5 inches of precipitation, about 31% of the yearly total. Daylight lengthens from about 11.7 hours in March to 14.1 in May.
Summer: June to August
Average highs peak at 95°F in July, between 90°F in June and 92°F in August, with average lows between 58°F and 64°F. The average high is 90°F or hotter in all three months. Together the three months average 4.9 inches of precipitation, about 43% of the yearly total and more than in any other season. Daylight is at its longest, about 14.6 hours in June.
Fall: September to November
Average highs fall from 84°F in September to 57°F in November, with average lows between 27°F and 53°F. The average low is at or below freezing in November. Together the three months average 2.1 inches of precipitation, about 19% of the yearly total. Daylight shortens from about 12.2 hours in September to 9.9 in November.
What the National Park Service says about the weather
Summer temperatures are often in the high 90s and low 100s. Weather is generally fair in the fall and spring. Winter temperatures can be below freezing. Most of the replica fort is unheated and does not have modern cooling systems, so dress accordingly.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Bent's Old Fort
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 38.04°N, 103.43°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 Bent's Old Fort National Historic Site →
Weather and crowds together
July, the warmest month, sees about 1.7× the visitors of the park's average month. May is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Bent's Old Fort National Historic Site. For hotels, cabins and rentals close to the park, see where to stay near Bent's Old Fort.
Where to stay near Bent's Old Fort
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Frequently Asked Questions
July is the warmest month at Bent's Old Fort National Historic Site, with an average high of 95°F and an average low of 64°F. That is the 1991–2020 average at the nearest long-record NOAA station, 4.8 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Bent's Old Fort National Historic Site, with an average low of 18°F and an average high of 47°F, based on NOAA 1991–2020 climate normals.
July is the wettest month, with about 2.2 inches of precipitation. January is the driest, at about 0.2 inches. The station records about 11.3 inches of precipitation in an average year.
Daylight at Bent's Old Fort National Historic Site runs from about 9.4 hours a day in December to about 14.6 hours in June, computed from the park's latitude.
Weather at nearby parks
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Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00023067), 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.