Climate and monthly weather forecast
Evergreen, CO

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The beautiful hilly landscape of Evergreen, Colorado
The beautiful hilly landscape of Evergreen, Colorado

The climate of Evergreen

According to the Köppen Climate Classification system, Evergreen, Colorado, USA is under the Dfb category. This climate type is indicative of a humid continental climate with no dry season, but is adorned with warm summers. Geographically situated in the Rocky Mountain region, Evergreen experiences varied climatic conditions throughout the year.

The yearly average high temperature in Evergreen varies from a chilly 36.5°F (2.5°C) in December to a relatively warm 81°F (27.2°C) in July. The average low temperature, on the other hand, oscillates between 18.3°F (-7.6°C) in December and February and 56.3°F (13.5°C) in July. Humidity also exhibits a similar range, with the lowest relative humidity of 43% in June and the highest of 70% in February.

Rainfall in Evergreen averages yearly from a low of 0.59" (15mm) in January to a high of 2.99" (76mm) in May. January sees the fewest rainy days, at 6.1, while July experiences the most, with an average of 21.6 days. Snowfall is a significant feature of Evergreen's climate, with maximum snowfall of 9.13" (232mm) in March and no snow from June to September.

The best time to visit Evergreen

The most ideal time to visit Evergreen would be during the warm summer months, particularly between June and August. This period sees average high temperatures rising from 77.4°F (25.2°C) in June to 81°F (27.2°C) in July before slightly dropping to 79.3°F (26.3°C) in August. With longer daylight hours, ranging from 14.4 hours in May to 14.9 hours in June, the summers of Evergreen provide ample opportunities for outdoor activities. Additionally, this period experiences the lowest relative humidity, making the conditions less sticky and more pleasant.

The worst time to visit Evergreen

The least favorable time to visit Evergreen would be the cold winter months, especially between December and February. During this period, low temperatures can drop to frigid levels, reaching an average low of 18.3°F (-7.6°C) in both December and February. With daylight hours reduced to 9.7 hours in January, the cold and dark winter months could be challenging for visitors.

Spring weather in Evergreen

Spring in Evergreen, from March to May, experiences warming temperatures with a high of 62.2°F (16.8°C) in May from a lovable 46.9°F (8.3°C) in March. While the low temperature gradually increases from 26.8°F (-2.9°C) to 39.7°F (4.3°C), the rainfall also registers a sharp increase from 1.57" (40mm) in March to 2.99" (76mm) in May. Snowfall frequency decreases significantly during this period, coming down to 2.83" (72mm) in May from a massive 9.13" (232mm) in March.

Summer weather in Evergreen

The desired summer months, from June to August, witness an increase in both high and low temperatures. Sunshine hours are at peak levels during this period touch 11.8 hours in June, July, and August, making it the ideal period for outdoor enthusiasts to plan a visit. Humidity levels drop during these months, resulting in a comfortable and enjoyable climate.

Autumn weather in Evergreen

Autumn in Evergreen, from September to November, is dominated by falling temperatures and decreasing daylight hours. The high temperature decreases systematically from 73°F (22.8°C) in September to a nippy 47.3°F (8.5°C) in November. Simultaneously, the low temperature also drops, albeit gradually, from 48.7°F (9.3°C) to 27°F (-2.8°C) over these months. Rainfall decreases progressively in this period, minimizing from 1.02" (26mm) to 0.75" (19mm).

Winter weather in Evergreen

Winter in Evergreen, from December to February, is marked by low temperatures and snowfall. The high temperature hovers around the freezing point, with an average high of 37.2°F (2.9°C) in December to 36.7°F (2.6°C) in February. The low temperature oscillates between 19.4°F (-7°C) and 18.3°F (-7.6°C), making it a chilly winter. Snow plays a significant role during this season, with an average snowfall of 5.04" (128mm) in December, and increasing to 8.74" (222mm) in February.

Weather in January

January in Evergreen, Colorado sees the frigid embrace of winter, as the mercury dips to its lowest in the yearly cycle. Snowfall becomes a regular occurrence, amassing at 4.37" (111mm), experienced throughout 9.2 days of the month, underscoring the pristine and frost-touched landscape. Weather in January »

Weather in February

Accelerating from January, February in Evergreen retains winter's hold as temperatures, while slightly warmer, are still icy cold. As the snowfall deepens to 8.74" (222mm), peaks and rooftops are painted white, lending a picturesque quality to the city. Weather in February »

Weather in March

Evergreen in March signals the advent of Spring, as the severity of winter laxly loosens its grip. Even as temperatures gradually rise, snowfall, peaking at 9.13" (232mm), ensures the winter charm is still in tact. While residents gear up for the bloom of wildflowers, the environment transforms to the soulful melody of melting snow and crispy mornings. Weather in March »

Weather in April

April in Evergreen witnesses the winter cold retreating as the promise of spring blooms into warmth. Flowers begin to bud while the last of the snow, scaling 8.39" (213mm), makes its appearance for the year. The increased hours of sunshine hint towards the romance of May, inviting residents to picnic under the blooming canopy. Weather in April »

Weather in May

May in Evergreen truly embodies spring's broad smile as the remnants of winter become a faint memory. The rainfall registers at the highest point in the year with 2.99" (76mm), replenishing the city’s green cover. As the city dances in the rain, locals bask in the mild sun, enjoying the rejuvenated blossoms and vibrant streets. Weather in May »

Weather in June

June marks the transition to summer in Evergreen with temperatures soaring and commensurate hours of sunshine. Warmer days and cooling breezes cultivate an idyllic climate for outdoor activities, encouraging residents to enjoy the natural beauty of the city. Weather in June »

Weather in July

Evergreen hits its summer stride in July as the temperature peaks, making it the hottest month of the year. Water activities become popular as residents seek respite from the summer heat. The mid-year month is punctuated with 2.4" (61mm) of rainfall, providing timely reprieve from high heat levels. Weather in July »

Weather in August

August continues to radiate the summer warmth as the Evergreen landscape basks under a plentiful sun. Aquatic fun extends into August, with families enjoying the sun-soaked outdoors amid light rainfall, adding up to 1.57" (40mm). Weather in August »

Weather in September

September in Evergreen brings the gentle whisper of autumn, as the heat of summer begins to wane. Rainfall decreases to 1.02" (26mm), hinting at crispier mornings and cooler evenings. Evergreen’s lush greens start to transform into shades of gold and red, setting the stage for autumn aesthetics. Weather in September »

Weather in October

October welcomes autumn in full swing as Evergreen turns into a palette of vibrant hues. The landscape, adorned in an explosion of colors, becomes a central attraction for nature lovers and photographers alike. A chill in the air hints at the approaching winter, with the wind speed picking up to 5.9mph (9.5km/h). Weather in October »

Weather in November

November in Evergreen serves as a prequel to winter, as the temperatures take a considerable dip. The first snowflakes of the season kiss the city, resulting in snow accumulation of 5.16" (131mm). Residents begin to gear up for winter preparation as the city wraps itself in early snowfall. Weather in November »

Weather in December

December witnesses Evergreen dressed in its winter best, as snow sets the tone for festive celebrations. As the skyline turns grey, the streets are enlivened with the warmth of holiday decorations, festive lights, and a palpable festive cheer. Weather in December »

Frequently asked questions

What is the driest month?

January is the month with the least rainfall. Rain falls for 6.4 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain?

Throughout the year, there are 141.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

In Evergreen, during the entire year, snow falls for 57.8 days and aggregates up to 49.41" (1255mm) of snow.

What are the months with the lowest UV index?

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

What is the most humid month?

With an average relative humidity of 70%, February is the most humid month.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 6.7h of sunshine.

When does it snow the most?

The month with the most snowfall is March, when snow falls for 8.2 days and typically aggregates up to 9.13" (232mm) of snow.

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.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 18.5 days and accumulates 2.99" (76mm) of precipitation.

What is the least humid month?

June is the least humid month in Evergreen, with an average relative humidity of 43%.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

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

What are the months with the most sunshine?

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

What is the month with the highest UV index?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What part of the year is the hottest?

Evergreen witnesses the warmest weather in July, with temperatures averaging a high of 81°F (27.2°C) and a low of 56.3°F (13.5°C).

What month is the coldest in Evergreen?

December, noted for its average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 18.3°F (-7.6°C), is considered the coldest month.

What is the month with the shortest days?

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

Average temperature
Evergreen, CO

Average temperature - Evergreen, CO

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (36.5°F).

The month with the highest average low temperature is July (56.3°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).

Average pressure
Evergreen, CO

Average pressure - Evergreen, CO

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).

Average wind speed
Evergreen, CO

Average wind speed - Evergreen, CO

The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).

Average humidity
Evergreen, CO

Average humidity - Evergreen, CO

The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is June (43%).

Average rainfall
Evergreen, CO

Average rainfall - Evergreen, CO

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Evergreen, CO

Average rainfall days - Evergreen, CO

The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (5 days).

Average snowfall
Evergreen, CO

Average snowfall - Evergreen, CO

The month with the highest snowfall is March (9.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Evergreen, CO

Average snowfall days - Evergreen, CO

The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Evergreen, CO

Average daylight / Average sunshine - Evergreen, 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 42min).

Average sunshine days
Evergreen, CO

Average sunshine days - Evergreen, CO

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (5.4 days).

Average UV index
Evergreen, CO

Average UV index - Evergreen, 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, October, November and December (UV index 2).

Average visibility
Evergreen, CO

Average visibility - Evergreen, 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).

Evergreen, Colorado, USA

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