Climate and monthly weather forecast
Glenwood Springs, CO

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The natural beauty of Glenwood Springs, Colorado, in the tourist spot of the Hanging Lake
The natural beauty of Glenwood Springs, Colorado, in the tourist spot of the Hanging Lake

The climate of Glenwood Springs

Glenwood Springs, Colorado, USA is classified as a Dfc climate by the Köppen system, denoting a subarctic environment with significant seasonal variations. This type of climate is characteristic of severe winters, cool summers, and no dry season.

Throughout the year, the weather exhibits considerable fluctuations in temperature, humidity, and precipitation. Temperatures range from as low as 9.5°F (-12.5°C) in the coldest month to a high of 77.5°F (25.3°C) during the warmest month. Relative humidity oscillates between 47% during the drier months and up to 86% in more humid months. Average rainfall per month varies from a low of 0.63" (16mm) to a peak of 1.73" (44mm).

Snow is a distinct part of Glenwood Springs' weather pattern, particularly during the colder months, with snowfall reaching 11.18" (284mm) in some months. Average snowfall days per month can reach up to 15.2 days, primarily during the winter. Daylight hours range from a minimum of 9.8 hours to a maximum of 14.9 hours, while sunshine can extend from 6.1 to 11.8 hours per day.

The best time to visit Glenwood Springs

Given the subarctic climate and high snowfall during the winter, the optimal visiting period for Glenwood Springs is primarily during the warmer months. Temperatures typically peak between 57.7°F (14.3°C) and 77.5°F (25.3°C) from May to August, with the relative humidity being at its lowest, fluctuating from 47% to 51%. Apart from enjoyable temperatures, these months also see the highest amount of sunshine, averaging between 11.2 and 11.8 hours per day, which allows for longer daylight hours for outdoor activities.

The worst time to visit Glenwood Springs

The less favorable time to visit Glenwood Springs is during the colder months, from December to February, when temperatures can drop to as low as 9.5°F (-12.5°C). These months also experience the highest snowfall, with measurements reaching up to 11.18" (284mm) in a single month. Combined with a relative humidity high of up to 85%, these conditions might be uncomfortable for some visitors.

Spring weather in Glenwood Springs

March through May in Glenwood Springs witnesses a gradual warming trend. Temperatures rise from averages of 38.8°F (3.8°C) to 57.7°F (14.3°C), while the relative humidity decreases from 79% to 57%. Rainfall levels vary, averaging between 1.65" (42mm) and 1.46" (37mm), while snowfall decreases from 6.85" (174mm) to a mere 0.63" (16mm) by May. Daylight hours increase consistently from 12 hours to 14.4 hours, offering longer days.

Summer weather in Glenwood Springs

Summer, stretching from June to August, offers the warmest conditions in Glenwood Springs. Average temperatures fluctuate between 71.4°F (21.9°C) to 77.5°F (25.3°C), and the humidity levels drop to the year's lowest, ranging from 47% to 50%. Rainfall also declines, logging between 0.94" (24mm) to 1.06" (27mm), while snowfall is practically non-existent during this time. Longer daylight hours of between 14.6 to 14.9 hours are typical, maximized by the high sunshine duration of between 11.8 and 11.8 hours per day.

Autumn weather in Glenwood Springs

The transition from summer to winter from September to November in Glenwood Springs is marked by falling temperatures and increased rainfall. The temperature averages recede from 69.1°F (20.6°C) in September to 40.5°F (4.7°C) in November. Relative humidity begins to rise again in this period, ranging between 51% and 68%. Rainfall levels increase slightly from 0.63" (16mm) to 1.02" (26mm), and snowfall reappears, with November witnessing 5.63" (143mm) on average.

Winter weather in Glenwood Springs

December to February are the coldest months in Glenwood Springs, marked by the average temperatures ranging from 29.5°F (-1.4°C) to 9.5°F (-12.5°C). These months also exhibit the highest relative humidity levels, peaking at 85%. December sees the highest rainfall of the year, reaching 1.3" (33mm), and the snowfall significantly rises, with up to 11.18" (284mm) in February. Daylight hours also decrease to a yearly low of 9.4 hours in December, and the sunshine duration lowers to between 6.4 and 7.2 hours per day.

Weather in January

January ushers in the coldest weather of the year in Glenwood Springs, Colorado. Among the strenuous winter conditions, snowfall is notable with accumulations reaching 9.45" (240mm). The city becomes blanketed in white, setting a picturesque scene. Weather in January »

Weather in February

Glenwood Springs in February offers challenging weather due to the lingering frigid conditions of January. Increased snowfall, reaching 11.18" (284mm), contributes to the continuation of the city's winter wonderland status. The citizens bundle up against the chill, bracing for the last stretch of winter. Weather in February »

Weather in March

In March, the first signs of spring manifest in Glenwood Springs as temperatures begin to rise. Despite experiencing less snowfall compared with February, March heaps a generous 6.85" (174mm) of snow. Residents delight in the warmer weather, knowing the chilling recollections of winter will soon be distant memories. Weather in March »

Weather in April

April marks a significant change in weather in Glenwood Springs, with temperatures continuing their upward trajectory from March. Snowfall considerably drops to 4.06" (103mm) as winter relinquishes its hold on the city. As the snow melts and temperatures rise, signs of spring come into full bloom. Weather in April »

Weather in May

Glenwood Springs in May hints at early summer, with the last vestiges of snow disappearing entirely. Although rainfall is marginally high, the amount accumulates to a manageable 1.46" (37mm). The vegetation begins to lush, and the city springs to life as temperatures continue to climb. Weather in May »

Weather in June

June in Glenwood Springs signals the full arrival of summer, characterized by protracted daylight and increased temperatures. Only receiving 0.94" (24mm), June is when precipitation greatly lessens. The residents take advantage of these welcome changes, taking part in outdoor leisure activities. Weather in June »

Weather in July

July hosts the highest temperatures of the year in Glenwood Springs, greeting residents with the apex of summer. The lower precipitation carries over from June, only tallying up to 1.06" (27mm) of rainfall. Residents and visitors enjoy a wealth of outdoor activities, indulging in the city's summer offerings. Weather in July »

Weather in August

Weather in August remains relatively consistent with July in Glenwood Springs. Despite a marginal decrease in high temperatures, August experiences only minimal precipitation with 0.79" (20mm) of rainfall recorded. The city's natural beauty unfolds, making August an ideal period for outdoor exploration. Weather in August »

Weather in September

September signals the commencement of fall in Glenwood Springs, with temperatures declining compared to August. It wields the least rainfall of the year with just 0.63" (16mm) precipitation observed. The city's vibrant fall colors start to emerge, creating a stunning kaleidoscope of reds, oranges, and yellows. Weather in September »

Weather in October

Steadily declining temperatures mark October in Glenwood Springs, a noticeable change from the mild September weather. Early instances of snow with 2.64" (67mm) reported represent the onset of winter. The city transitions from the colorful fall foliage to a serene, bleached landscape. Weather in October »

Weather in November

Glenwood Springs in November transitions further into winter, with temperatures continuing to drop from October. Snowfall increases significantly, accumulating 5.63" (143mm) throughout the month. Residents prepare for the harsh winter conditions, bundling up and slowing outdoor activities. Weather in November »

Weather in December

In Glenwood Springs, December bears the brunt of winter, harboring the most severe conditions. The heaviest snowfall is witnessed in this month, with an impressive 8.62" (219mm) accumulation. Residents and visitors revel in festive activities, despite challenging weather conditions. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Glenwood Springs?

In Glenwood Springs, Colorado, the average lowest temperatures are observed in January, with a high of 29.3°F (-1.5°C) and a low of 9.5°F (-12.5°C).

How many days does it rain in Glenwood Springs?

In Glenwood Springs, Colorado, during the entire year, the rain falls for 123 days and collects up to 14.65" (372mm) of precipitation.

When does it snow in Glenwood Springs?

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

How much does it snow in Glenwood Springs?

In Glenwood Springs, during the entire year, snow falls for 69.4 days and aggregates up to 49.13" (1248mm) of snow.

What is the month with the lowest UV index in Glenwood Springs?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the most humid month in Glenwood Springs?

With an average relative humidity of 86%, February is the most humid month.

What is the snowiest month in Glenwood Springs?

The month with the most snowfall in Glenwood Springs is February, when snow falls for 15.2 days and typically aggregates up to 11.18" (284mm) of snow.

What is the month with the least sunshine in Glenwood Springs?

The month with the least sunshine in Glenwood Springs, Colorado, is February, with an average of 6.1h of sunshine.

When is Daylight Saving Time (DST) in Glenwood Springs?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glenwood Springs, 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.

What is the rainiest month in Glenwood Springs?

The month with the most rainfall in Glenwood Springs, Colorado, is April, when the rain falls for 15 days and typically aggregates up to 1.73" (44mm) of precipitation.

What is the least humid month in Glenwood Springs?

June is the least humid month, with an average relative humidity of 47%.

When are the longest days in Glenwood Springs?

With an average of 14h and 54min of daylight, June has the longest days of the year in Glenwood Springs.

What are the months with the most sunshine in Glenwood Springs?

June through August, with an average of 11.8h of sunshine, are months with the most sunshine in Glenwood Springs, Colorado.

What is the month with the highest UV index in Glenwood Springs?

The months with the highest UV index in Glenwood Springs, Colorado, are June through August, with an average maximum UV index of 5.

What part of the year is the hottest in Glenwood Springs?

July proves to be the warmest month in Glenwood Springs, Colorado, recording an average peak temperature of 77.5°F (25.3°C) and a minimum temperature of 47.8°F (8.8°C).

When it does not snow in Glenwood Springs?

July through September are months without snowfall.

What is the driest month in Glenwood Springs?

September is the month with the least rainfall in Glenwood Springs. Rain falls for 8.8 days and accumulates 0.63" (16mm) of precipitation.

What is the month with the shortest days in Glenwood Springs?

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

Average temperature
Glenwood Springs, CO

Average temperature - Glenwood Springs, CO

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).

The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).

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Average pressure
Glenwood Springs, CO

Average pressure - Glenwood Springs, CO

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).

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Average wind speed
Glenwood Springs, CO

Average wind speed - Glenwood Springs, CO

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.3mph).

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Average humidity
Glenwood Springs, CO

Average humidity - Glenwood Springs, CO

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (47%).

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Average rainfall
Glenwood Springs, CO

Average rainfall - Glenwood Springs, CO

The wettest month (with the highest rainfall) is April (1.73").
The driest month (with the least rainfall) is September (0.63").

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Average rainfall days
Glenwood Springs, CO

Average rainfall days - Glenwood Springs, CO

The month with the highest number of rainy days is April (15 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall
Glenwood Springs, CO

Average snowfall - Glenwood Springs, CO

The month with the highest snowfall is February (11.18").
The months with the least snowfall are July, August and September (0").

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Average snowfall days
Glenwood Springs, CO

Average snowfall days - Glenwood Springs, CO

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July, August and September (0 days).

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Average daylight / Average sunshine
Glenwood Springs, CO

Average daylight / Average sunshine - Glenwood Springs, 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, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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Average sunshine days
Glenwood Springs, CO

Average sunshine days - Glenwood Springs, CO

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is April (9.6 days).

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Average UV index
Glenwood Springs, CO

Average UV index - Glenwood Springs, CO

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Glenwood Springs, CO

Average visibility - Glenwood Springs, CO

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Glenwood Springs, Colorado, USA

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