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Aurora, CO Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Aurora, CO?
Aurora, CO gets 15.4 in of precipitation a year over about 84 rainy days, and about 49.0 in of snow a season. July is the warmest month (average high 89°F) and January the coldest (average low 18°F).
Semi-arid climate
Aurora, CO has hot summers and chilly winters. Daytime highs range from about 45°F in December to 89°F in July. May is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically September to October, when daytime highs sit near 72°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 19° | 46° |
| Spring | Mar–May | 35° | 63° |
| Summer | Jun–Aug | 57° | 86° |
| Autumn | Sep–Nov | 37° | 66° |
How much rain does Aurora get?
Aurora gets 15.4 in of precipitation in an average year, spread over about 84 days with measurable rain. That is fewer rainy days than 54% of the US.
May is the wettest month, with 2.3 in. January is the driest, with 0.5 in. May has the most rainy days, about 11.
The longest dry spell in the last five years lasted 35 days, to March 2, 2026.
From September 2025 to August 2026 Aurora got 13.4 in of rain, against a normal of 15.4 in for those months. August 2026 had the most, with 3.1 in.
See where Aurora ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Colorado.
Does it snow in Aurora?
Yes. Aurora gets about 49.0 in of snow in an average season, measured at the reporting station.
The snowiest winter on record is 1972–73, with 95.1 in.
The most recent measurable snow at the station fell on May 6, 2026.
From September 2025 to August 2026 the station measured 24.7 in of snow, against a normal of 49.0 in for those months. March 2026 had the most, with 7.0 in.
See where Aurora ranks: snowiest cities in the US.
Aurora weather by month
Aurora weather in January
In January, Aurora averages a high of 45°F and a low of 18°F. It gets 0.5 in of precipitation over about 5 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The January record high is 74°F (1997) and the record low is -19°F (1984).
Aurora weather in February
In February, Aurora averages a high of 47°F and a low of 20°F. It gets 0.5 in of precipitation over about 5 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The February record high is 83°F (2017) and the record low is -24°F (1989).
Aurora weather in March
In March, Aurora averages a high of 55°F and a low of 28°F. It gets 1.1 in of precipitation over about 7 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The March record high is 87°F (2026) and the record low is -5°F (2002).
Aurora weather in April
In April, Aurora averages a high of 61°F and a low of 34°F. It gets 1.7 in of precipitation over about 8 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The April record high is 90°F (1992) and the record low is -2°F (1975).
Aurora weather in May
In May, Aurora averages a high of 71°F and a low of 44°F. It gets 2.3 in of precipitation over about 11 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The May record high is 96°F (2026) and the record low is 23°F (1978).
Aurora weather in June
In June, Aurora averages a high of 83°F and a low of 53°F. It gets 1.7 in of precipitation over about 8 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The June record high is 104°F (1994) and the record low is 36°F (1998).
Aurora weather in July
In July, Aurora averages a high of 89°F and a low of 60°F. It gets 2.1 in of precipitation over about 9 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The July record high is 104°F (2005) and the record low is 43°F (1972).
Aurora weather in August
In August, Aurora averages a high of 87°F and a low of 58°F. It gets 1.8 in of precipitation over about 9 rainy days. Estimated sunshine is 62% of daylight hours, derived from ERA5 cloud cover. The August record high is 102°F (2002) and the record low is 43°F (2004).
Aurora weather in September
In September, Aurora averages a high of 79°F and a low of 49°F. It gets 1.5 in of precipitation over about 6 rainy days. Estimated sunshine is 72% of daylight hours, derived from ERA5 cloud cover. The September record high is 99°F (2020) and the record low is 17°F (1985). September is one of the most comfortable months to visit.
Aurora weather in October
In October, Aurora averages a high of 66°F and a low of 36°F. It gets 1.0 in of precipitation over about 5 rainy days. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The October record high is 89°F (2023) and the record low is 6°F (2019). October is one of the most comfortable months to visit.
Aurora weather in November
In November, Aurora averages a high of 54°F and a low of 26°F. It gets 0.7 in of precipitation over about 6 rainy days. Estimated sunshine is 65% of daylight hours, derived from ERA5 cloud cover. The November record high is 82°F (2025) and the record low is -10°F (2014).
Aurora weather in December
In December, Aurora averages a high of 45°F and a low of 18°F. It gets 0.5 in of precipitation over about 5 rainy days. Estimated sunshine is 62% of daylight hours, derived from ERA5 cloud cover. The December record high is 76°F (2025) and the record low is -25°F (1990).
Sunshine, humidity and wind in Aurora
September is the sunniest month in Aurora, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. May is the cloudiest, at 50%. The annual cloud-cover estimate is 60% of daylight hours; it is not a measurement of sunshine duration. Aurora is sunnier than 87% of the US.
Humidity peaks in January at 51% and is lowest in September at 32%.
Aurora has about 40 days a year above 90°F. Aurora is hotter than 61% of the US.
Thunderstorms occur on about 39 days a year.
See where Aurora ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Aurora
The first fall freeze in Aurora typically comes around October 9, and the last spring freeze around May 4. That leaves a frost-free growing season of about 158 days.
Aurora weather records
These records cover DENVER-STAPLETON during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Aurora station is 104°F, on June 26, 1994. The coldest is -25°F, on December 22, 1990.
The wettest day in the available station history brought 3.9 in of precipitation, on September 12, 2013.
42 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°F per decade since 1970.
The best time to visit Aurora
The most comfortable time to visit is typically September to October, when daytime highs sit near 72°F.
Winter (December–February) is chilly, with average highs around 46°F and lows near 19°F. Snow is possible.
Spring (March–May) is mild, with average highs around 63°F and lows near 35°F.
Summer (June–August) is hot, with average highs around 86°F and lows near 57°F.
Autumn (September–November) is mild, with average highs around 66°F and lows near 37°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 18° | 45° | 0.46 in | 5 | 51% | 55% | 74° | -19° |
| February | 20° | 47° | 0.53 in | 5 | 49% | 58% | 83° | -24° |
| March | 28° | 55° | 1.1 in | 7 | 44% | 55% | 87° | -5° |
| April | 34° | 61° | 1.7 in | 8 | 33% | 55% | 90° | -2° |
| May | 44° | 71° | 2.3 in | 11 | 43% | 50% | 96° | 23° |
| June | 53° | 83° | 1.7 in | 8 | 38% | 54% | 104° | 36° |
| July | 60° | 89° | 2.1 in | 9 | 37% | 60% | 104° | 43° |
| August | 58° | 87° | 1.8 in | 9 | 37% | 62% | 102° | 43° |
| September | 49° | 79° | 1.5 in | 6 | 32% | 72% | 99° | 17° |
| October | 36° | 66° | 0.98 in | 5 | 35% | 71% | 89° | 6° |
| November | 26° | 54° | 0.70 in | 6 | 40% | 65% | 82° | -10° |
| December | 18° | 45° | 0.47 in | 5 | 43% | 62% | 76° | -25° |
Station: DENVER-STAPLETON, 5 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Aurora climate questions
How much rain does Aurora get?
Aurora gets 15.4 in of precipitation in an average year, over about 84 rainy days.
What is the wettest month in Aurora?
May is the wettest month in Aurora, with 2.3 in. January is the driest, with 0.5 in.
How many rainy days does Aurora have a year?
Aurora has about 84 days with measurable rain in an average year. May has the most, about 11.
Does it snow in Aurora?
Yes. Aurora gets about 49.0 in of snow in an average season. The snowiest winter on record is 1972–73, with 95.1 in.
What is the hottest month in Aurora?
July is the warmest month in Aurora, with an average high of 89°F.
What is the coldest month in Aurora?
January is the coldest month in Aurora, with an average low of 18°F.
What is the record high temperature in Aurora?
Within the available 1970–2026 station history, the record high at the Aurora station is 104°F, set on June 26, 1994. The record low is -25°F, on December 22, 1990.
What is the sunniest month in Aurora?
September is the sunniest month in Aurora, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. May is the cloudiest.
When is the first frost in Aurora?
The first fall freeze in Aurora typically comes around October 9. The last spring freeze is around May 4.
What is the best time to visit Aurora?
The most comfortable time to visit is typically September to October, when daytime highs sit near 72°F.