Centennial, CO climate by month
Centennial has warm summers and chilly and snowy winters. Highs peak at 87°F in July and fall to 44°F in December. The wettest month is August (about 10 wet days) and the driest is January (about 4). Normal snowfall is about 62 in a year. By our comfort score the best month is May.
- Warmest month
- 87°F
- July normal high
- Coldest month
- 19°F
- December normal low
- Wet days a year
- 84
- 15.0 in of precipitation
- Snow a year
- 62.2 in
- normal snowfall
How warm is Centennial?
Normal highs range from 44°F in December to 87°F in July.
Bars run from the normal low to the normal high for each month.
How rainy is Centennial?
August has the most wet days (about 10); the year brings about 15 in of precipitation.
Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.
How much does it snow?
Normal snowfall is 62.2 in a year, most of it in December.
How humid is Centennial?
Muggy days (dew point 65°F or higher) are rare in any month.
Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Buckley Air Force Base, 12 mi NE of the city center.
How much daylight?
Daylight ranges from about 9.4 hours in December to 14.9 hours in June.
See all numbers
| Month | High | Low | Precip. | Wet days | Snow | Muggy days | Daylight |
|---|---|---|---|---|---|---|---|
| January | 45°F | 19°F | 0.4 in | 4 | 8.7 in | 0 | 9.7 h |
| February | 46°F | 20°F | 0.4 in | 6 | 10.4 in | 0 | 10.7 h |
| March | 54°F | 27°F | 1.0 in | 7 | 9.6 in | 0 | 12.0 h |
| April | 60°F | 34°F | 1.9 in | 10 | 8.5 in | 0 | 13.3 h |
| May | 69°F | 43°F | 2.0 in | 10 | 1.2 in | 0 | 14.4 h |
| June | 81°F | 52°F | 2.0 in | 8 | 0.0 in | 0 | 14.9 h |
| July | 87°F | 59°F | 1.8 in | 10 | 0.0 in | 0 | 14.6 h |
| August | 85°F | 57°F | 2.3 in | 10 | 0.0 in | 0 | 13.7 h |
| September | 77°F | 49°F | 1.3 in | 6 | 0.6 in | 0 | 12.4 h |
| October | 64°F | 36°F | 1.0 in | 6 | 3.7 in | 0 | 11.2 h |
| November | 52°F | 26°F | 0.5 in | 4 | 7.9 in | 0 | 10.0 h |
| December | 44°F | 19°F | 0.3 in | 4 | 11.6 in | 0 | 9.4 h |
High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.
Best months to visit Centennial
By our comfort score, the best month is May.
| Month | Score | Comfortable | Notable rain | Hot or cold |
|---|---|---|---|---|
| Jan | 41 | 1 | 1 | 10 |
| Feb | 44 | 2 | 2 | 9 |
| Mar | 58 | 8 | 3 | 4 |
| Apr | 66 | 12 | 5 | 3 |
| May | 74 | 16 | 5 | 1 |
| Jun | 66 | 10 | 4 | 7 |
| Jul | 50 | 4 | 5 | 15 |
| Aug | 56 | 6 | 4 | 9 |
| Sep | 65 | 12 | 3 | 2 |
| Oct | 66 | 15 | 3 | 2 |
| Nov | 54 | 9 | 2 | 5 |
| Dec | 39 | 1 | 1 | 11 |
Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.
Frost dates in Centennial
The last spring frost typically comes around May 5, and the first fall frost around Oct 8, leaving 154 frost-free days in a typical year.
| Typical date | 1 year in 10 | |
|---|---|---|
| Last spring frost (32°F) | May 5 | after May 17 |
| First fall frost (32°F) | Oct 8 | before Sep 25 |
| Last hard freeze (28°F) | Apr 25 | after May 9 |
| First hard freeze (28°F) | Oct 17 | before Oct 4 |
| Frost-free season | 154 days | under 135 days |
"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.
Station: Denver Centennial Airport (USW00093067), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Colorado.
Hottest and coldest readings, 1991-2020
The highest reading was 101°F (June 28, 2018); the lowest was -17°F (February 5, 2014).
From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.
Near Centennial
- Highlands Ranch, COJan 43°F · Jul 84°F · 5 mi
- Denver, COJan 47°F · Jul 90°F · 12 mi
- Lakewood, COJan 45°F · Jul 86°F · 14 mi
- Arvada, COJan 47°F · Jul 88°F · 19 mi
- Thornton, COJan 47°F · Jul 90°F · 21 mi
- Boulder, COJan 47°F · Jul 88°F · 37 mi
Similar climates elsewhere
- Santa Fe, NMJan 43°F · Jul 86°F
- Billings, MTJan 37°F · Jul 86°F
- Rapid City, SDJan 36°F · Jul 86°F
- Gillette, WYJan 36°F · Jul 86°F
- Lincoln, NEJan 36°F · Jul 89°F
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Denver Centennial Airport (USW00093067), 1.6 mi ESE of the city center, 5,883 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Kassler (USC00054452), 13 mi WSW of the city center, 5,587 ft (254 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Aurora Buckley Fld ANGB (USW00023036), 12 mi NE of the city center, 5,663 ft (178 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Buckley Air Force Base (724695-23036), 12 mi NE of the city center, 5,663 ft (178 ft lower than the city). Hourly observations, 1991-2020.
Distances from the city center (USGS). Methodology · Report an error