- WinterDec–Feb20°48°
- December19°47°
- January20°49°
- February21°49°
- SpringMar–May36°65°
- March29°58°
- April35°64°
- May45°73°
- SummerJun–Aug58°89°
- June55°86°
- July61°92°
- August59°90°
- AutumnSep–Nov38°69°
- September50°82°
- October37°68°
- November27°57°
Denver, CO Weather by Month and Climate Averages
Denver, CO gets 15.9 in of precipitation a year over about 75 rainy days, and about 40.7 in of snow a season. July is the warmest month (average high 92°F) and December the coldest (average low 19°F).
Denver climate at a glance
Semi-arid climate
Denver, CO has hot summers and chilly winters. Daytime highs range from about 47°F in December to 92°F in July. May is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically April and October, when daytime highs sit near 66°F.
How much rain does Denver get?
Denver gets 15.9 in of precipitation in an average year, spread over about 75 days with measurable rain. That is fewer rainy days than 62% of the US.
May is the wettest month, with 2.6 in. January is the driest, with 0.4 in. May has the most rainy days, about 10.
The longest dry spell in the last five years lasted 43 days, to March 3, 2026.
See where Denver ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Colorado.
Does it snow in Denver?
Yes. Denver gets about 40.7 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.
See where Denver ranks: snowiest cities in the US.
Denver weather by month
Denver weather in January
In January, Denver averages a high of 49°F and a low of 20°F. It gets 0.4 in of precipitation over about 4 rainy days. The sun is out about 55% of daylight hours. The January record high is 77°F (2015) and the record low is -15°F (2017).
Denver weather in February
In February, Denver averages a high of 49°F and a low of 21°F. It gets 0.6 in of precipitation over about 4 rainy days. The sun is out about 57% of daylight hours. The February record high is 78°F (2017) and the record low is -14°F (2011).
Denver weather in March
In March, Denver averages a high of 58°F and a low of 29°F. It gets 1.1 in of precipitation over about 6 rainy days. The sun is out about 52% of daylight hours. The March record high is 90°F (2026) and the record low is -2°F (2002).
Denver weather in April
In April, Denver averages a high of 64°F and a low of 35°F. It gets 2.0 in of precipitation over about 8 rainy days. The sun is out about 55% of daylight hours. The April record high is 91°F (2012) and the record low is 8°F (2013). April is one of the most comfortable months to visit.
Denver weather in May
In May, Denver averages a high of 73°F and a low of 45°F. It gets 2.6 in of precipitation over about 10 rainy days. The sun is out about 48% of daylight hours. The May record high is 99°F (2000) and the record low is 20°F (2013).
Denver weather in June
In June, Denver averages a high of 86°F and a low of 55°F. It gets 1.7 in of precipitation over about 7 rainy days. The sun is out about 53% of daylight hours. The June record high is 107°F (2012) and the record low is 36°F (1998).
Denver weather in July
In July, Denver averages a high of 92°F and a low of 61°F. It gets 1.9 in of precipitation over about 8 rainy days. The sun is out about 59% of daylight hours. The July record high is 108°F (2005) and the record low is 49°F (2017).
Denver weather in August
In August, Denver averages a high of 90°F and a low of 59°F. It gets 1.8 in of precipitation over about 8 rainy days. The sun is out about 60% of daylight hours. The August record high is 105°F (2026) and the record low is 40°F (2016).
Denver weather in September
In September, Denver averages a high of 82°F and a low of 50°F. It gets 1.2 in of precipitation over about 6 rainy days. The sun is out about 70% of daylight hours. The September record high is 102°F (2020) and the record low is 22°F (2000).
Denver weather in October
In October, Denver averages a high of 68°F and a low of 37°F. It gets 1.2 in of precipitation over about 6 rainy days. The sun is out about 69% of daylight hours. The October record high is 90°F (2023) and the record low is 4°F (2020). October is one of the most comfortable months to visit.
Denver weather in November
In November, Denver averages a high of 57°F and a low of 27°F. It gets 0.8 in of precipitation over about 4 rainy days. The sun is out about 65% of daylight hours. The November record high is 85°F (2025) and the record low is -8°F (2014).
Denver weather in December
In December, Denver averages a high of 47°F and a low of 19°F. It gets 0.5 in of precipitation over about 4 rainy days. The sun is out about 62% of daylight hours. The December record high is 78°F (2025) and the record low is -13°F (2014).
Sunshine, humidity and wind in Denver
September is the sunniest month in Denver, with sunshine about 70% of daylight hours. May is the cloudiest, at 48%. Over the year the sun shines about 59% of daylight hours. Denver is sunnier than 84% of the US.
Humidity peaks in January at 57% and is lowest in September at 37%.
Denver has about 64 days a year above 90°F. Denver is hotter than 76% of the US.
Thunderstorms occur on about 7 days a year.
See where Denver ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Denver
The first fall freeze in Denver typically comes around October 14, and the last spring freeze around May 4. That leaves a frost-free growing season of about 163 days.
Denver weather records
The hottest temperature on record at the Denver station is 108°F, on July 21, 2005. The coldest is -15°F, on January 6, 2017.
The wettest day on record brought 3.5 in of rain, on August 19, 2004.
41 all-time records have been set at the station since 1997.
The best time to visit Denver
The most comfortable time to visit is typically April and October, when daytime highs sit near 66°F.
Winter (December–February) is chilly, with average highs around 48°F and lows near 20°F. Snow is possible.
Spring (March–May) is mild, with average highs around 65°F and lows near 36°F.
Summer (June–August) is hot, with average highs around 89°F and lows near 58°F.
Autumn (September–November) is warm, with average highs around 69°F and lows near 38°F.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 0.43 in | 4 | 57% | 55% | 77° | -15° |
| February | 0.60 in | 4 | 55% | 57% | 78° | -14° |
| March | 1.1 in | 6 | 51% | 52% | 90° | -2° |
| April | 2.0 in | 8 | 41% | 55% | 91° | 8° |
| May | 2.6 in | 10 | 49% | 48% | 99° | 20° |
| June | 1.7 in | 7 | 43% | 53% | 107° | 36° |
| July | 1.9 in | 8 | 41% | 59% | 108° | 49° |
| August | 1.8 in | 8 | 40% | 60% | 105° | 40° |
| September | 1.2 in | 6 | 37% | 70% | 102° | 22° |
| October | 1.2 in | 6 | 39% | 69% | 90° | 4° |
| November | 0.78 in | 4 | 46% | 65% | 85° | -8° |
| December | 0.48 in | 4 | 49% | 62% | 78° | -13° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Denver climate questions
How much rain does Denver get?
Denver gets 15.9 in of precipitation in an average year, over about 75 rainy days.
What is the wettest month in Denver?
May is the wettest month in Denver, with 2.6 in. January is the driest, with 0.4 in.
How many rainy days does Denver have a year?
Denver has about 75 days with measurable rain in an average year. May has the most, about 10.
Does it snow in Denver?
Yes. Denver gets about 40.7 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 Denver?
July is the warmest month in Denver, with an average high of 92°F.
What is the coldest month in Denver?
December is the coldest month in Denver, with an average low of 19°F.
What is the record high temperature in Denver?
The record high at the Denver station is 108°F, set on July 21, 2005. The record low is -15°F, on January 6, 2017.
What is the sunniest month in Denver?
September is the sunniest month in Denver, with sunshine about 70% of daylight hours. May is the cloudiest.
When is the first frost in Denver?
The first fall freeze in Denver typically comes around October 14. The last spring freeze is around May 4.
What is the best time to visit Denver?
The most comfortable time to visit is typically April and October, when daytime highs sit near 66°F.
Source: NOAA GHCN-Daily station DENVER WATER DEPT (2 km away).
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Normals from NOAA GHCN-Daily station DENVER WATER DEPT.