Climate and monthly weather forecast
Commerce City, CO

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The climate of Commerce City

Commerce City, situated in Colorado, USA, experiences a mid-latitude steppe climate as per the Köppen climate classification. This category, designated as BSk, is characterized by cold winters and hot summers, with limited precipitation.

Throughout the year, the temperatures in Commerce City fluctuate considerably, from lows of 21.9°F (-5.6°C) in December to highs of 88.3°F (31.3°C) in July. The city generally experiences consistent relative humidity, with the highest percentages reported from December to February, around 60-64%, and a dip to around 39-42% during the summer months from June to August.

Monthly rainfall ranges from 0.08" (2mm) in January and December, peaking at 0.59" (15mm) in July. Simultaneously, the city has an average of 1.7 to 8.2 rainy days per month, with the highest frequencies occurring in July. The winter months, from January to March and in November and December, are marked by a swathe of snowfall, measuring from 0.55" (14mm) to 1.42" (36mm).

Monthly daylight duration in Commerce City extends from a low of 9.4 hours in December to upwards of 15 hours in June. Simultaneously, sunshine graces the city from 6.7 hours in February to a high of 11.9 hours in June and July. While the UV index is low from November to February with a reading of 2, it reaches up to 6 from June to August.

The best time to visit Commerce City

Commerce City shines the brightest from June to August. These summer months see the maximum sunshine hours, reaching up to 11.9 hours a day, coupled with longer daylight hours, making the days extra enjoyable. Temperatures during these months range from 56.5°F (13.6°C) to 88.3°F (31.3°C) providing idyllic conditions for outdoor adventures and sightseeing.

The worst time to visit Commerce City

The coldest months from December to February pose a challenge for visitors due to low temperatures, ranging from 21.9°F (-5.6°C) to 42.4°F (5.8°C), combined with snowfall and minimal sunshine. Additionally, the UV index is at its lowest at this time, indicating limited daylight hours.

Spring weather in Commerce City

In terms of temperatures, Commerce City experiences a gentle warming during spring. March brings temperatures from 31.5°F (-0.3°C) to 54.1°F (12.3°C), April from 36.1°F (2.3°C) to 60.3°F (15.7°C), and May from 44.4°F (6.9°C) to 69.1°F (20.6°C). Rainfall during this period is modest but increasing, ranging from 0.24" (6mm) in April to 0.55" (14mm) in May.

Summer weather in Commerce City

The summer months in Commerce City range from June to August with temperatures hovering between 56.5°F (13.6°C) to 87.1°F (30.6°C). These months see the highest levels of sunshine with 11.9 hours per day in June and July, and rainfall increases, but remains moderate, peaking at 0.59" (15mm) in July.

Autumn weather in Commerce City

Fall in Commerce City witnesses a gradual decrease in temperatures: September ranges from 53.8°F (12.1°C) to 69.1°F (20.6°C), October from 40.1°F (4.5°C) to 63.3°F (17.4°C), and November from 30.6°F (-0.8°C) to 52.7°F (11.5°C). Rainfall decreases during this period and the city sees increased snowfall, particularly in November.

Winter weather in Commerce City

Winter temperatures range from 21.9°F (-5.6°C) during December to 42.4°F (5.8°C) in February. Snowfall is most common from December through March. Average sunshine hours decrease significantly with a minimal 7 hours per day from December to February.

Weather in January

January sets the tone for Commerce City weather with the lowest average temperature, dropping to a chilly 23.2°F (-4.9°C). This winter month showcases Colorado's brisk attributes, ushering in brisk mornings and cold nights. The sun shines for a fair 7 hours per day, providing reprieve from the cold. Weather in January »

Weather in February

February ushers in a slightly warmer climate than its predecessor, with temperatures rising slowly. Snowfall becomes heavier, crowning February as the month with the highest average snowfall measurement of 1.22" (31mm). The city gets a bit more sun with an average of 10.7 daylight hours per day. Weather in February »

Weather in March

March in Commerce City brings a noticeable rise in temperatures, a welcome relief to the residents after a cold start to the year. Along with this, rainfall starts to increase, peaking at an average of 0.31" (8mm). Days are longer and sunnier, making outdoor activities more desirable. Weather in March »

Weather in April

April sees fewer snowfall days with an average of just 2.1, as the city bids farewell to winter. Light rain showers become more frequent, marking the onset of spring. With the slightly warmer temperatures, plants begin to bloom, adding color to the landscape of Commerce City. Weather in April »

Weather in May

May in Commerce City is characterized by a significant increase in temperatures, climbing to 69.1°F (20.6°C). The warmer days are complimented by an increase in daily sunshine duration and humidity levels. Rainfall peaks to an average of 0.55" (14mm), providing refreshment to the flora and fauna of the city. Weather in May »

Weather in June

June marks the start of the summer season with an average high temperature of 84.2°F (29°C). This is the month with the longest daylight hours, an increase in UV index indicating a stronger sun. The weather shifts from the moderate conditions of spring to the hot, dry summer, encouraging outings to local pools and water parks. Weather in June »

Weather in July

July is the hottest month in Commerce City, with temperatures soaring to 88.3°F (31.3°C). The heat pairs with longer, sunnier days, making for typical summer conditions. While July is warmer than June, it does experience more rainfall, peaking at an average of 0.59" (15mm). Weather in July »

Weather in August

In August, temperatures remain high, though slightly less than the peak in July. The city experiences clear skies for most of the month, creating ideal conditions for outdoor dining and stargazing. Although it remains hot, August sees less rainfall compared to July and slightly less humidity. Weather in August »

Weather in September

September serves as a transition period, moving from the heat of summer to the cooler fall season. Average temperatures start to decline, dropping to a more comfortable 79.5°F (26.4°C). Skies remain mostly clear, setting a beautiful prelude to the fall. Weather in September »

Weather in October

With a further drop in temperatures to 63.3°F (17.4°C), October welcomes the autumn season. The crisp fall weather accompanies a change in foliage color, transforming the city into vibrant hues. Comparing October with November, October is warmer and experiences fewer snowfalls. Weather in October »

Weather in November

November in Commerce City marks the beginning of winter with temperatures reaching a low of 30.6°F (-0.8°C). The city begins to experience more snowfalls, and it is the month with the most snowfall days with an average of 2.3. Weather in November »

Weather in December

The year ends with December, the coldest month after January with the average temperature falling to 41.2°F (5.1°C). Snowfalls become a regular occurrence, dressing the city in a white blanket. The shortest daylight hours occur in this month, matching the winter mood. Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the driest month?

January and December are months with the least rain when the rain falls for 2.3 days and typically aggregates up to 0.08" (2mm) of rain.

How much does it rain in Commerce City?

Throughout the year, there are 48.3 rainfall days, and 3.19" (81mm) of precipitation is accumulated.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

Throughout the year, there are 19.6 snowfall days, and 8.5" (216mm) of snow is accumulated.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month?

With an average relative humidity of 64%, February is the most humid month.

What is the month with the least sunshine in Commerce City?

The month with the least sunshine is February, with an average of 6.7h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

When it does not snow in Commerce City?

In Commerce City, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the month with the most sunshine?

The months with the most sunshine are June and July, with an average of 11.9h of sunshine.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What part of the year is the hottest?

In Commerce City, July is known for its average highest temperatures, reaching a high of 88.3°F (31.3°C) and a low of 61.7°F (16.5°C).

What is the wettest month?

July is the month with the most rainfall. Rain falls for 8.2 days and accumulates 0.59" (15mm) of precipitation.

What is the least humid month?

August is the least humid month, with an average relative humidity of 39%.

When does it snow the most?

The month with the most snowfall is October, when snow falls for 1.7 days and typically aggregates up to 1.42" (36mm) of snow.

What is the coldest month?

In Commerce City, December is known for its average lowest temperatures, reaching a high of 41.2°F (5.1°C) and a low of 21.9°F (-5.6°C).

What is the month with the shortest days in Commerce City?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Commerce City.

Average temperature
Commerce City, CO

Average temperature - Commerce City, CO

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

Average pressure
Commerce City, CO

Average pressure - Commerce City, CO

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

Average wind speed
Commerce City, CO

Average wind speed - Commerce City, CO

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

Average humidity
Commerce City, CO

Average humidity - Commerce City, CO

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).

Average rainfall
Commerce City, CO

Average rainfall - Commerce City, CO

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").

Average rainfall days
Commerce City, CO

Average rainfall days - Commerce City, CO

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).

Average snowfall
Commerce City, CO

Average snowfall - Commerce City, CO

The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Commerce City, CO

Average snowfall days - Commerce City, CO

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Commerce City, CO

Average daylight / Average sunshine - Commerce City, CO

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days
Commerce City, CO

Average sunshine days - Commerce City, CO

The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).

Average UV index
Commerce City, CO

Average UV index - Commerce City, CO

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Commerce City, CO

Average cloud cover - Commerce City, CO

The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility
Commerce City, CO

Average visibility - Commerce City, CO

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Commerce City, Colorado, USA

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