The climate of Chelan
Residing in the humid continental climate zone,
Chelan,
Washington is designated as 'Dsb' under the Köppen climate classification. This categorization indicates the dominant presence of a humid continental climate with dry, warm summers. Located in the northern part of the United States, the weather in Chelan experiences significant temperature variations, shifting through cold winters and moderately warm summers.
Year-round, humidity ranges from a high of 90% in
January to a low of 43% in
July and
August. The temperature fluctuates from a peak average high of 82.2°F (27.9°C) in July to a low of 19°F (-7.2°C) in January. Meanwhile, annual precipitation follows a similar variation, from a yearly maximum of 1.65" (42mm) in
December to a minimal 0.16" (4mm) in July. This pattern shows a higher tendency for rainfall during the colder months.
Distinctive weather characteristics in Chelan include a sharp decrease in rainfall from winter to summer, resulting in comparatively dry, warm summer months. Meanwhile, the winter months showcase a notable spike in snowfall, attaining a peak of 9.06" (230mm) in December. Sunshine hours display an inverse relationship with both rainfall and snowfall, attaining a maximum of 12 hours in July and August, concurrent with the driest months, and a low of 4.1 hours in January, the snowiest month.
The best time to visit Chelan
Considering temperature, precipitation patterns, and sunshine hours,
June through
August will be the optimal time to visit
Chelan. During this period, the city experiences its highest temperatures, peaking at 82.2°F (27.9°C) in
July, along with low rainfall, reaching a low of 0.16" (4mm) in July. These ideal weather conditions are further bolstered by an abundance of sunshine, with daily sunlight hours reaching a maximum of 12 hours in July and August. The UV index during these sunny summer months hits a level 5 to 6, so sunscreen is highly recommended.
The worst time to visit Chelan
Travelers wanting to avoid cold temperatures and heavy snowfall should refrain from visiting
Chelan between
December and
February. During this period, temperatures can drop to a low average of 19°F (-7.2°C) in both
January and February. Moreover, December sees the most substantial snowfall of 9.06" (230mm). Alongside the cold and snowy conditions, these months also experience decreased daylight, with the shortest day length of 8.5 hours in December.
Spring weather in Chelan
During the months of
March,
April, and
May,
Chelan transitions from winter to spring. The temperature increases gradually from an average high of 43.2°F (6.2°C) in March to 65.3°F (18.5°C) in May. Rainfall remains unpredictable in this transition though, with a slight decrease from 1.22" (31mm) in March to 1.1" (28mm) in May. During this period, daylight extends from 11.9 hours in March to 15.2 hours in May.
Summer weather in Chelan
Summer, spanning from
June to
August, is the warmest season in
Chelan. Temperatures reach a peak average high of 82.2°F (27.9°C) in
July and low rainfall, reaching a bottom of 0.16" (4mm), also in July. Daylight peaks at 16 hours in June, and it slowly decreases to 14.2 hours in August. This season sees low humidity, with the relative humidity hitting its lowest at 43% in July and August.
Autumn weather in Chelan
Autumn overlaps with
September,
October, and
November in
Chelan. During this time, temperatures start to drop from an average high of 70.5°F (21.4°C) in September to a low of 40.1°F (4.5°C) in November. Rainfall also increases during the autumn months, starting at 0.55" (14mm) in September and reaching 1.02" (26mm) in November. Daylight hours decrease from 12.6 hours in September to 9.3 hours in November.
Winter weather in Chelan
Winter commences in
December and continues through
February. The coldest months of the year,
January and February both see average low temperatures of 19°F (-7.2°C). The highest level of snowfall occurs during this period, hitting 9.06" (230mm) in December. Daylight is particularly limited, bottoming out at 8.5 hours in December. Despite the cold conditions, winter also brings with it the highest relative humidity, averaging 88% in December and 90% in January.
Weather in January
The start of the year in
Chelan,
Washington reveals the harshest of winter's grip. In
January, the weather lends itself to the lovers of cold, only reaching a maximum high temperature of 30.9°F (-0.6°C), with the month displaying a significant dip in the mercury dipping low to 19°F (-7.2°C).
Weather in January »Weather in February
Transitioning from the severe cold of
January,
February carries forward the winter charm but with less intensity. The chill mellows a bit to city's relief and temperatures hover between highs of 34.2°F (1.2°C) and lows of 20.8°F (-6.2°C).
Weather in February »Weather in March
When
March arrives,
Chelan,
Washington ushers in the dawn of spring with a pleasant shift in weather. The temperatures begin to soar to a more comfortable average high of 43.2°F (6.2°C) and an average low of 28.2°F (-2.1°C). With March approaching, Chelan, Washington anticipates a noticeable drop in snowfall from the higher amounts seen in the winter months.
Weather in March »
Weather in April
As spring finds its footing in
April,
Chelan,
Washington's weather showcases noticeable enhancements, attributing a lively vibe to the city. The city's weather embraces average high temperatures rising to 54.3°F (12.4°C). The rainfall, around 0.63in, does not see a significant change compared to
March, keeping the pleasant humidity levels intact.
Weather in April »Weather in May
May marks the commencement of warm summer days in
Chelan,
Washington. Significantly warmer than
April, May witnesses average low temperatures rising to 43.2°F (6.2°C). The change from spring to early summer is accentuated with a noticeable increase in daylight, reaching up to 15.2 hours per day.
Weather in May » Weather in June
June flaunts the full-blown summer spell in
Chelan,
Washington, making it a preferred month for outdoor activities. Average high temperature reaches 72.1°F (22.3°C), extending a warm invitation to all the outdoor aficionados. Days are quite long with a maximum of 16 daylight hours, offering opportunities to relish outdoor activities till late into the evening.
Weather in June »
Weather in July
July epitomizes the peak of summer in
Chelan,
Washington, resulting in significant weather shifts. The city observes its maximum temperature pinnacles with an average high of 82.2°F (27.9°C). This period marks the lowest humidity throughout the year, only 43%, which counterbalances the high temperatures making it more tolerable.
Weather in July » Weather in August
August continues to exhibit the summer charm of
Chelan,
Washington, maintaining similar weather patterns to
July. Maintaining high heats, August matches July with the equally warm average high temperature of 81.9°F (27.7°C). The city experiences the summer’s end with long sunny days and relatively low levels of humidity.
Weather in August » Weather in September
September marks the onset of autumn in
Chelan,
Washington, bringing a gradual drop in temperatures. This month’s weather dynamics indicate a soothing respite from summer’s heat, with an average high temperature dropping to 70.5°F (21.4°C).
Weather in September »
Weather in October
October transforms
Chelan,
Washington with its vivid autumn hues and considerably cooler weather pattern. The weather observes a substantial dip in the average high temperature, dropping to 54.5°F (12.5°C). October attracts autumn enthusiasts with its vibrant fall foliage adding hues of crimson, orange, and yellow against a cooler weather backdrop.
Weather in October » Weather in November
Chelan,
Washington introduces the chilling winter season in
November. A significant decrease in temperature is observed within this month, with an average low of 27.9°F (-2.3°C). The first snowflakes begin to grace the city in November, sweeping away the lively autumn colors.
Weather in November » Weather in December
December personifies the heart of winter in
Chelan,
Washington, with frigid temperatures and generous snowfall. Matching
January's weather conditions, December's average low temperatures hit a freezing 19°F (-7.2°C). The city gets draped in a white blanket with the highest snowfall of the year, recording 9.06in.
Weather in December »