Centennial weather by month
Average highs run from 45°F in January to 87°F in July, and January nights average 19°F. It gets 15 inches of rain and melted snow a year and 34 inches of snow. Expect about 32 days a year at 90°F or hotter. Nights drop below freezing about 155 times a year. The most comfortable months are May to June and August to September.
Best time to visit Centennial
For comfortable weather, go in May to June and August to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 45°F | 19°F | 0.4 in | 6.3 in | 1 | 0 | 29 | cold |
| February | 46°F | 20°F | 0.4 in | 6.2 in | 2 | 0 | 26 | cold |
| March | 54°F | 27°F | 1.0 in | 5.4 in | 3 | 0 | 22 | cool |
| April | 60°F | 34°F | 1.9 in | 4.1 in | 5 | 0 | 13 | cool |
| May | 69°F | 43°F | 2.0 in | 0.8 in | 5 | 0 | 3 | mild |
| June | 81°F | 52°F | 2.0 in | 0.0 in | 4 | 7 | 0 | warm |
| July | 87°F | 59°F | 1.8 in | 0.0 in | 5 | 15 | 0 | hot |
| August | 85°F | 57°F | 2.3 in | 0.0 in | 4 | 9 | 0 | warm |
| September | 77°F | 49°F | 1.3 in | 0.0 in | 3 | 2 | 1 | warm |
| October | 64°F | 36°F | 1.0 in | 1.7 in | 3 | 0 | 10 | mild days, chilly nights |
| November | 52°F | 26°F | 0.5 in | 3.7 in | 2 | 0 | 22 | cool |
| December | 44°F | 19°F | 0.4 in | 5.9 in | 1 | 0 | 30 | cold |
| Year | 64°F avg | 37°F avg | 15.0 in | 34.1 in | 37 | 32 | 155 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Denver Centennial Airport, CO (USW00093067), 1.6 miles from the city center; snowfall from Marston Fltr Plt, CO. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Centennial
The shortest day is December 21, with 9h 22m of daylight; the longest is June 21, with 14h 58m. The earliest sunset comes around December 5 (4:34 pm) and the latest around June 20 (8:30 pm). The sun sets after 8 pm on 96 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:18 am | 4:59 pm | 9h 41m |
| February | 6:51 am | 5:35 pm | 10h 44m |
| March | 7:10 am | 7:06 pm | 11h 55m |
| April | 6:22 am | 7:37 pm | 13h 15m |
| May | 5:45 am | 8:06 pm | 14h 21m |
| June | 5:31 am | 8:28 pm | 14h 57m |
| July | 5:44 am | 8:25 pm | 14h 41m |
| August | 6:12 am | 7:54 pm | 13h 43m |
| September | 6:40 am | 7:07 pm | 12h 27m |
| October | 7:09 am | 6:19 pm | 11h 10m |
| November | 6:44 am | 4:43 pm | 10h 00m |
| December | 7:13 am | 4:36 pm | 9h 23m |
Calculated for 2026 at the center of Centennial with NOAA's solar equations, in local clock time (Mountain Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Centennial getting warmer?
The last 10 years averaged 2.1°F warmer than the 20th century. See the climate stripes for Centennial.Frequently asked questions
What is the warmest month in Centennial?
July is the warmest month, with an average high of 87°F and an average low of 59°F (NOAA 1991-2020 normals).
What is the coldest month in Centennial?
December is the coldest, with average lows of 19°F and highs of 44°F.
What is the rainiest month in Centennial?
August gets the most precipitation, 2.3 inches on average. December is the driest at 0.4 inches.
Does it snow in Centennial?
Yes. Centennial averages 34 inches of snow a year.
When is the best time to visit Centennial?
For comfortable weather, May to June and August to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Centennial?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Centennial profile.
Compare the weather: Centennial vs Highlands Ranch, Centennial vs Aurora, Centennial vs Denver, Centennial vs Castle Rock.