Centennial, CO Weather by Month and Climate Averages

How much rain does Centennial get?

Centennial gets 15.0 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.

August is the wettest month, with 2.3 in. December is the driest, with 0.3 in. August has the most rainy days, about 10.

The longest dry spell in the last five years lasted 44 days, to December 9, 2021.

See where Centennial ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Colorado.

Does it snow in Centennial?

The snowiest winter on record is 2006–07, with 77.8 in.

See where Centennial ranks: snowiest cities in the US.

Centennial weather by month

Centennial weather in January

In January, Centennial averages a high of 45°F and a low of 19°F. It gets 0.4 in of precipitation over about 4 rainy days. The sun is out about 56% of daylight hours. The January record high is 73°F (2015) and the record low is -12°F (2024).

Centennial weather in February

In February, Centennial averages a high of 46°F and a low of 20°F. It gets 0.4 in of precipitation over about 6 rainy days. The sun is out about 60% of daylight hours. The February record high is 78°F (2017) and the record low is -17°F (2014).

Centennial weather in March

In March, Centennial averages a high of 55°F and a low of 28°F. It gets 1.0 in of precipitation over about 7 rainy days. The sun is out about 55% of daylight hours. The March record high is 86°F (2026) and the record low is -9°F (2002).

Centennial weather in April

In April, Centennial averages a high of 61°F and a low of 34°F. It gets 1.9 in of precipitation over about 10 rainy days. The sun is out about 56% of daylight hours. The April record high is 85°F (2012) and the record low is 2°F (2013).

Centennial weather in May

In May, Centennial averages a high of 69°F and a low of 42°F. It gets 2.0 in of precipitation over about 10 rainy days. The sun is out about 49% of daylight hours. The May record high is 93°F (2003) and the record low is 16°F (2013). May is one of the most comfortable months to visit.

Centennial weather in June

In June, Centennial averages a high of 82°F and a low of 52°F. It gets 2.0 in of precipitation over about 8 rainy days. The sun is out about 53% of daylight hours. The June record high is 101°F (2018) and the record low is 34°F (2007).

Centennial weather in July

In July, Centennial averages a high of 88°F and a low of 59°F. It gets 1.8 in of precipitation over about 10 rainy days. The sun is out about 59% of daylight hours. The July record high is 101°F (2005) and the record low is 48°F (2024).

Centennial weather in August

In August, Centennial averages a high of 85°F and a low of 57°F. It gets 2.3 in of precipitation over about 10 rainy days. The sun is out about 60% of daylight hours. The August record high is 100°F (2008) and the record low is 38°F (2014).

Centennial weather in September

In September, Centennial averages a high of 78°F and a low of 49°F. It gets 1.3 in of precipitation over about 6 rainy days. The sun is out about 71% of daylight hours. The September record high is 98°F (2019) and the record low is 26°F (1999). September is one of the most comfortable months to visit.

Centennial weather in October

In October, Centennial averages a high of 64°F and a low of 36°F. It gets 1.0 in of precipitation over about 6 rainy days. The sun is out about 70% of daylight hours. The October record high is 87°F (2024) and the record low is 2°F (2020). October is one of the most comfortable months to visit.

Centennial weather in November

In November, Centennial averages a high of 54°F and a low of 27°F. It gets 0.5 in of precipitation over about 4 rainy days. The sun is out about 66% of daylight hours. The November record high is 80°F (2025) and the record low is -9°F (2014).

Centennial weather in December

In December, Centennial averages a high of 44°F and a low of 18°F. It gets 0.3 in of precipitation over about 4 rainy days. The sun is out about 63% of daylight hours. The December record high is 76°F (2025) and the record low is -16°F (2022).

Sunshine, humidity and wind in Centennial

September is the sunniest month in Centennial, with sunshine about 71% of daylight hours. May is the cloudiest, at 49%. Over the year the sun shines about 60% of daylight hours. Centennial is sunnier than 86% of the US.

Humidity peaks in January at 58% and is lowest in September at 39%.

Wind averages 8 mph over the year, and April is the windiest month at 10 mph.

Centennial has about 33 days a year above 90°F. Centennial is hotter than 54% of the US.

Thunderstorms occur on about 54 days a year.

See where Centennial ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

First and last freeze in Centennial

The first fall freeze in Centennial typically comes around October 8, and the last spring freeze around May 11. That leaves a frost-free growing season of about 150 days.

Centennial weather records

The hottest temperature on record at the Centennial station is 101°F, on July 20, 2005. The coldest is -17°F, on February 5, 2014.

The wettest day on record brought 3.4 in of rain, on May 11, 2023.

The best time to visit Centennial

The most comfortable time to visit is typically May and September to October, when daytime highs sit near 70°F.

Winter (December–February) is chilly, with average highs around 45°F and lows near 19°F. Snow is possible.

Spring (March–May) is mild, with average highs around 61°F and lows near 35°F.

Summer (June–August) is hot, with average highs around 85°F and lows near 56°F.

Autumn (September–November) is mild, with average highs around 65°F and lows near 37°F.

Centennial climate questions

How much rain does Centennial get?

Centennial gets 15.0 in of precipitation in an average year, over about 84 rainy days.

What is the wettest month in Centennial?

August is the wettest month in Centennial, with 2.3 in. December is the driest, with 0.3 in.

How many rainy days does Centennial have a year?

Centennial has about 84 days with measurable rain in an average year. August has the most, about 10.

What is the hottest month in Centennial?

July is the warmest month in Centennial, with an average high of 88°F.

What is the coldest month in Centennial?

December is the coldest month in Centennial, with an average low of 18°F.

What is the record high temperature in Centennial?

The record high at the Centennial station is 101°F, set on July 20, 2005. The record low is -17°F, on February 5, 2014.

What is the sunniest month in Centennial?

September is the sunniest month in Centennial, with sunshine about 71% of daylight hours. May is the cloudiest.

When is the first frost in Centennial?

The first fall freeze in Centennial typically comes around October 8. The last spring freeze is around May 11.

What is the best time to visit Centennial?

The most comfortable time to visit is typically May and September to October, when daytime highs sit near 70°F.