Climate and monthly weather forecast
Northglenn, CO

Share

The climate of Northglenn

Northglenn, Colorado unfolds amidst a climate that primarily falls under the Köppen BSk classification or mid-latitude steppe. High temperatures across the year fluctuate significantly from the lowest of 41.2°F (5.1°C) in December to the peak of 88.3°F (31.3°C) in July. In contrast, lows of 21.9°F (-5.6°C) in December offer a stark distinction to the 61.7°F (16.5°C) of July nights.

Observation of relative humidity indicates a moderate moisture level with only slight deviations throughout the year, ranging from 39% in August to 64% in February. Notable in Northglenn's weather profile is the rainfall accumulation, dipping as low as 0.08" (2mm) in January and December, escalating to a peak of 0.59" (15mm) in July. Precipitation is dispersed quite frequently as well with July leading the months with 8.2 rainy days and February trailing behind with a mere 1.2 days.

Snowfall forms an integral component of the Northglenn weather, quantifying from zero inches from May through to September, then increasing progressively until February peaks at 1.22" (31mm). While daylight hours stretch from 9.4 hours in December to a high of 15 hours in June, residents enjoy between 6.7 to 11.9 hours of sunshine in a particular month.

An inspection of atmospheric patterns uncovers a minor variation between 14% to 25% cloud coverage annually and a stable visibility index of 6 miles throughout the 12 months. The barometric pressure oscillates lightly from a 29.91 in April to a 30.14 in reading in January. Lastly, wind patterns remain consistent year-round, with a monthly average wind speed of 5.8mph (9.3km/h) to 6.9mph (11.1km/h), and gusts reaching between 9.4mph (15.1km/h) to 10.8mph (17.4km/h).

The best time to visit Northglenn

Considering the climatic variations, the peak of summer, from June to August, presents the best time to visit Northglenn. During these months, temperatures soar up to 84.2°F (29°C) - 88.3°F (31.3°C) accompanied by the longest daylight hours, between 14.7 - 15 hours. Astonishingly, sunshine hours are maximized up to 11.8 - 11.9 hours per day. These factors make these summer months ideal for outdoor activities and sightseeing.

The worst time to visit Northglenn

Contrastingly, the chilliest month is December, with the lowest recorded temperatures of 21.9°F (-5.6°C) - 41.2°F (5.1°C), as well as the shortest daylight hours extending to just 9.4 hours. This season also records the least number of sunshine hours, at seven hours per day. Those who lack fondness for a snowy landscape and cold weather might prefer to avoid these winter months.

Spring weather in Northglenn

An overview of spring weather from March to May reveals a moderate climate with high temperatures from 54.1°F (12.3°C) to 69.1°F (20.6°C) and low temperatures ranging between 31.5°F (-0.3°C) and 44.4°F (6.9°C). Rainfall registers between 0.24" (6mm) to 0.55" (14mm), slightly heavier compared to winter months. March records the highest snowfall of the season at 1.1" (28mm).

Summer weather in Northglenn

June to August experiences the height of summer with high temperatures ranging from 79.5°F (26.4°C) to 88.3°F (31.3°C), and low temperatures hovering from 56.5°F (13.6°C) to 61.7°F (16.5°C). Northglenn receives the maximum rainfall in July with 0.59" (15mm) and boasts the longest sunshine hours ranging from 11.8 hours to 11.9 hours per day.

Autumn weather in Northglenn

Fall in Northglenn, from September to November, calls for a dip in temperature with highs varying from 52.7°F (11.5°C) to 79.5°F (26.4°C) and lows shifting between 30.6°F (-0.8°C) to 53.8°F (12.1°C). Rainfall stands between 0.16" (4mm) and 0.24" (6mm) with 2.1 days to 3.3 days of precipitation. Snow begins to touch down from October on, peaking in November at 1.34" (34mm).

Winter weather in Northglenn

The winter months starting from December till February unveil the coldest phase in Northglenn. Temperatures plummet down to their lowest, from 21.9°F (-5.6°C) to 42.4°F (5.8°C). Snowfall ranges between 0.55" (14mm) and 1.22" (31mm), making Northglenn a white, snowy landscape. The seasonal daylight hours are also the shortest during this time, averaging between 9.4 to 10.7 hours.

Weather in January

Snow-filled scenes are a signature of January weather in Northglenn, Colorado. January offers the coldest temperatures with a high of 42.4°F (5.8°C) and low of 23.2°F (-4.9°C). The city often lies under a blanket of snow, with the frequent snow dustings lending a serene, postcard-like aesthetic. Weather in January »

Weather in February

Following January's frosty grip, February offers only a subtle shift in Northglenn's weather conditions. The average temperature does rise slightly but remains firmly in winter territory. Visibility is typically high, allowing for striking views of the city's snowy landscapes. Weather in February »

Weather in March

As Northglenn transitions into Spring, the landscape begins to change significantly in March. There's an evident increase in daylight hours interest of nature enthusiasts who relish extended outdoor activities. Snowfall does continue, albeit at a reduced rate compared to the previous months. Weather in March »

Weather in April

April in Northglenn recognizes a much-awaited respite from the chill, with temperatures soaring to a high of 60.3°F (15.7°C). Blossoms begin to pepper the city, resulting in a beautiful shift in the landscape. Snowfall events become distinctly rare, marking a clear departure from winter. Weather in April »

Weather in May

May rings in Northglenn's spring season in its full glory. The days grow even longer, and the city enjoys plenty of sunshine hours. Temperatures climb further reaching a higher average during the day, a clear sign of summer's impending arrival. Weather in May »

Weather in June

June kick-starts the summer season, and Northglenn basks in high temperatures of 84.2°F (29°C), a sharp contrast to the mild spring weather. The long, sunny days are a boon for those with a penchant for outdoor sports. As the rainfall lessens, the skyline stays mostly clear, producing spectacular sunset views. Weather in June »

Weather in July

July in Northglenn is synonymous with high summer, sweltering under the highest average temperature of 88.3°F (31.3°C). Clear blue skies dominate most days, making it a perfect time for picnics and outdoor games. Extended daylight hours offer residents the most of the summer season. Weather in July »

Weather in August

August continues the summer spell albeit with marginally cooler temperatures, providing some respite from July's heated peak. The city still experiences long hours of sunlight and appreciable warm temperatures. Rainfall decreases, further enhancing the summer spirit. Weather in August »

Weather in September

September kicks off the fall season in Northglenn, with temperatures beginning their descent back to the comfortable range. The hour of sunshine decrease but the city still enjoys pleasant daylight durations. The change in weather also brings with it a wonderful palette of reds, oranges, and yellows, painting Northglenn in beautiful autumnal hues. Weather in September »

Weather in October

October continues the fall narrative, with temperatures dropping further and daylight hours reducing. Northglenn's landscape revels in autumnal colors, creating a picturesque setting. The city experiences further reduced rainfall making October drier than September. Weather in October »

Weather in November

November in Northglenn marks a distinct transition into winter, with temperatures falling to lows of 30.6°F (-0.8°C). The shortening days, increased cloud cover, and lower sunlight hours announce winter's imminent arrival. While snowfall reappears, it's not as frequent, offering a gentle ease into the season of frost. Weather in November »

Weather in December

December arrives with real winter weather, promising a white Christmas ahead in Northglenn. The temperatures drop further, reminiscent of January's lows. The city receives its most significant snowfall events making it a paradise for snow lovers. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the driest month in Northglenn?

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 Northglenn?

In Northglenn, Colorado, during the entire year, the rain falls for 48.3 days and collects up to 3.19" (81mm) of precipitation.

When does it snow in Northglenn?

January through May, October through December are months with snowfall in Northglenn, Colorado.

How many days does it snow in Northglenn?

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 in Northglenn?

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

What is the most humid month in Northglenn?

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

What is the month with the least sunshine in Northglenn?

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

When is Daylight Saving Time (DST) in Northglenn?

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 Northglenn?

June through September are months without snowfall.

When are the longest days in Northglenn?

The month with the longest days in Northglenn is June, with an average of 15h and 0min of daylight.

What are the months with the most sunshine in Northglenn?

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

What is the month with the highest UV index in Northglenn?

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

What time of the year is the hottest in Northglenn?

Northglenn's temperatures peak on average in July, reaching 88.3°F (31.3°C) at their highest and 61.7°F (16.5°C) at their lowest.

What is the rainiest month in Northglenn?

The month with the most rainfall in Northglenn, Colorado, is July, when the rain falls for 8.2 days and typically aggregates up to 0.59" (15mm) of precipitation.

What is the least humid month in Northglenn?

The least humid month in Northglenn, Colorado, is August, with an average relative humidity of 39%.

What is the snowiest month in Northglenn?

October is the month with the most snowfall in Northglenn. Snow falls for 1.7 days and accumulates 1.42" (36mm) of snow.

What time of the year is the coldest in Northglenn?

Northglenn records the coldest temperatures in December, averaging 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 Northglenn?

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

Average temperature
Northglenn, CO

Average temperature - Northglenn, 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
Northglenn, CO

Average pressure - Northglenn, 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
Northglenn, CO

Average wind speed - Northglenn, 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
Northglenn, CO

Average humidity - Northglenn, CO

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

Average rainfall
Northglenn, CO

Average rainfall - Northglenn, 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
Northglenn, CO

Average rainfall days - Northglenn, 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
Northglenn, CO

Average snowfall - Northglenn, 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
Northglenn, CO

Average snowfall days - Northglenn, 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
Northglenn, CO

Average daylight / Average sunshine - Northglenn, CO

The month with the longest days is June (Average daylight: 15h and 0min).
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
Northglenn, CO

Average sunshine days - Northglenn, 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
Northglenn, CO

Average UV index - Northglenn, 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 visibility
Northglenn, CO

Average visibility - Northglenn, 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).

Northglenn, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location