Updated October 2026
Sand Creek Massacre National Historic Site Weather by Month
Sand Creek Massacre National Historic Site is warmest in July, when the nearest NOAA climate station averages a high of 92°F and a low of 62°F, and coldest in January, with an average high of 44°F and an average low of 14°F. July is the wettest month, with about 3 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, 13.6 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Sand Creek Massacre National Historic Site can differ from these, particularly with elevation.
Warmest month
Jul
92°F avg high
Coldest month
Jan
14°F avg low
Wettest month
Jul
3.0 in avg
Longest days
Jun
14.7 h of daylight
Average weather at Sand Creek Massacre by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 44°F | 14°F | 0.3 in | 9.6 h |
| February | 47°F | 18°F | 0.4 in | 10.6 h |
| March | 57°F | 26°F | 0.7 in | 11.7 h |
| April | 65°F | 35°F | 1.5 in | 13.0 h |
| May | 76°F | 46°F | 2.2 in | 14.1 h |
| June | 87°F | 57°F | 2.4 in | 14.7 h |
| July | 92°F | 62°F | 3.0 in | 14.4 h |
| August | 89°F | 61°F | 2.6 in | 13.5 h |
| September | 82°F | 52°F | 1.0 in | 12.2 h |
| October | 69°F | 37°F | 1.4 in | 11.0 h |
| November | 55°F | 26°F | 0.4 in | 9.9 h |
| December | 45°F | 16°F | 0.4 in | 9.3 h |
| Year total | 16.3 in |
NOAA 1991–2020 climate normals from station USC00057582, 13.6 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Sand Creek Massacre is at that time of year.
Sand Creek Massacre weather by season
Winter: December to February
Average highs bottom out at 44°F in January, between 45°F in December and 47°F in February, with average lows between 14°F and 18°F. The average low is at or below freezing in all three months. Together the three months average 1.1 inches of precipitation, about 7% of the yearly total and less than in any other season. Daylight is at its shortest, about 9.3 hours in December.
Spring: March to May
Average highs climb from 57°F in March to 76°F in May, with average lows between 26°F and 46°F. The average low is at or below freezing in March. Together the three months average 4.4 inches of precipitation, about 27% 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 92°F in July, between 87°F in June and 89°F in August, with average lows between 57°F and 62°F. The average high is 90°F or hotter in July. Together the three months average 8 inches of precipitation, about 49% of the yearly total and more than in any other season. Daylight is at its longest, about 14.7 hours in June.
Fall: September to November
Average highs fall from 82°F in September to 55°F in November, with average lows between 26°F and 52°F. The average low is at or below freezing in November. Together the three months average 2.8 inches of precipitation, about 17% 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
Weather conditions at the park vary considerably. Temperatures range from over 100°F in summer to under 20°F in winter. Visitors can expect blowing dust and sand year-round, especially during infrequent storms. Some of these storms produce violent tornadoes or large blizzards, so prepare accordingly, and contact the on-duty Ranger to ask about road conditions at (719)-438-5916
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Sand Creek Massacre
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 38.56°N, 102.52°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 Sand Creek Massacre National Historic Site →
Weather and crowds together
July is both the warmest month and the busiest, with about 1.6× 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 Sand Creek Massacre National Historic Site. For hotels, cabins and rentals close to the park, see where to stay near Sand Creek Massacre.
Where to stay near Sand Creek Massacre
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Frequently Asked Questions
July is the warmest month at Sand Creek Massacre National Historic Site, with an average high of 92°F and an average low of 62°F. That is the 1991–2020 average at the nearest long-record NOAA station, 13.6 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Sand Creek Massacre National Historic Site, with an average low of 14°F and an average high of 44°F, based on NOAA 1991–2020 climate normals.
July is the wettest month, with about 3 inches of precipitation. January is the driest, at about 0.3 inches. The station records about 16.3 inches of precipitation in an average year.
Daylight at Sand Creek Massacre National Historic Site runs from about 9.3 hours a day in December to about 14.7 hours in June, computed from the park's latitude.
Weather at nearby parks
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Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00057582), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (2010–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.