Climate and monthly weather forecast
Wenatchee, WA

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The climate of Wenatchee

Influenced by a Mediterranean classification, Wenatchee, Washington, dwells within the Csb Köppen climate zone. This signifies a dominant weather pattern of warm, dry summers and mild, semi-wet winters. One might find it nested within the geographical location of North America which makes way for diverse weather conditions throughout the year.

Analyzing these weather parameters, Wenatchee boasts of an average annual high temperature extending from 32.4°F (0.2°C) in the coldest month to an 82.6°F (28.1°C) high in the warm months. Simultaneously temperatures can dip as low as 20.7°F (-6.3°C) and climb to 53.6°F (12°C), giving the valley a complete taste of mild summers and frigid winters.

Relative humidity varies accordingly, scaling from a sticky 89% in the winter months, to a comfortable 47% amid the summer period. Wenatchee's rainfall distribution is dispersed throughout the year, with the maximum precipitation of 1.77" (45mm) noted in January and the lowest of 0.24" (6mm) during the summer months of July and August. The fact that Wenatchee experiences a total of zero inches of snowfall from May to September, speaks volumes of the warm summers penetrating the region.

It's noteworthy to emphasize the relatively reduced visibility of 4 miles during the winter months, as compared to the 6 miles seen commonly throughout the summer. Additionally, the wind speed tends to pick up from an average of 3.6mph (5.8km/h) in January to a hearty 6.1mph (9.8km/h) in June, further mediating the warm summer temperatures.

The best time to visit Wenatchee

Those planning a trip to Wenatchee would find the months between May and August most promising. This period not only offers the warmest weather with temperatures ranging from 65.5°F (18.6°C) to 82.6°F (28.1°C), but also has the least rainfall at 0.24" (6mm). With long daylight hours, the city averages around 15.5 hours in July, allowing ample time for sightseeing and exploring the local scenery. Moreover, there is no snowfall during these months, ensuring comfortable and uninterrupted traveling for visitors.

The worst time to visit Wenatchee

Conversely, the coldest months from December to February could be daunting for prospective visitors, as temperatures can drop between 32.7°F (0.4°C) to 21.4°F (-5.9°C). The high relative humidity of 88% to 89% and relatively poor visibility of 4 miles may also deter outdoor activities. Notably, December experiences the maximum snowfall at 4.76" (121mm), introducing a potential obstacle for travel and outdoor exploration.

Spring weather in Wenatchee

Wenatchee welcomes spring between March and May with gradually increasing temperatures from 44.2°F (6.8°C) to 65.5°F (18.6°C). During this period, rainfall oscillates between 1.3" (33mm) in March to 1.1" (28mm) in May. Moreover, snow starts to retreat and the city finally witnesses zero inches of snowfall by May. The daylight hours also start to stretch from 12 hours in March to a generous 15.1 hours in May.

Summer weather in Wenatchee

Wenatchee witnesses its summer period from June to August. Temperatures during these months range from 72.3°F (22.4°C) to 82.6°F (28.1°C), displaying an ideal warm summer weather. The rainfall is also at its least, fluctuating from 0.24" (6mm) in both July and August. Importantly, there is no snowfall recorded during these months. Daylight hours are maximized, scaling up to 15.5 hours in July, ensuring an abundance of sunshine for outdoor activities.

Autumn weather in Wenatchee

Wenatchee's autumn season extends from September to November. Temperature during this season see a reduction from 71.2°F (21.8°C) in September to 41.2°F (5.1°C) in November. Rainfall starts to rise again in this period from 0.67" (17mm) in September to 1.02" (26mm) in November, with the winter's first snowfall recorded at 1.46" (37mm) in November. Daylight hours start to decrease to 9.3 hours in November.

Winter weather in Wenatchee

Finally, the city's winter season spans December through February. During this time, the temperatures plunge down between 32.7°F (0.4°C) and 20.7°F (-6.3°C). Rainfall ranges between 1.61" (41mm) in December to 1.06" (27mm) in February. The city witnesses significant snowfall in these months, with its peak at 4.76" (121mm) in December. Daylight hour also hits its low during this season, offering only 8.5 hours in December.

Weather in January

January's weather starts the year, setting a decisive tone for winter in Wenatchee, Washington. The month is characterized by a chilly atmosphere and a consistent blanket of white with 3.74" (95mm) of snowfall. The snowy scenes are often complemented by a bright and crisp sky, thanks to longer hours of daylight. Weather in January »

Weather in February

As the calendar flips over, February remains significantly similar to January in terms of weather conditions, yet with minor differences. More snowfall is observed compared to the previous month, with 3.31" (84mm) recorded. However, overall humidity decreases slightly and the daylight hours begin to extend, hinting at the upcoming spring. Weather in February »

Weather in March

Come March, the weather begins to exhibit a palpable shift towards spring. This transition is marked by a reduction in both snowfall, coming down to 1.46" (37mm), and humidity. As well, the number of daylight hours begin to outnumber those of darkness, heralding the arrival of longer, brighter days. Weather in March »

Weather in April

April witnesses a significant shift towards definitive spring weather, evident in the sure signs of melting snow and budding greenery. The month brings in a lot more sunshine, coupled with increased daylight hours. Impressively, snowfall drops to just 0.04" (1mm) in April, a stark contrast to the heavy snow in earlier months. Weather in April »

Weather in May

May, with its consistent mild, nearly summer-like weather, provides a pleasant respite from the long winter months. Along with extended daylight hours, the month also enjoys maximum sunshine, signalling clear, bright days ahead. The city warms up with temperatures maxing out at 65.5°F (18.6°C); comfortable and conducive for outdoor activities. Weather in May »

Weather in June

With the onset of June, Wenatchee officially embraces summer, with temperatures escalating further. This month has its attractions, including the longest daylight hours of the year, making it ideal for outdoor excursions. In terms of precipitation, rainfall decreases to a mere 0.51" (13mm), which, combined with increasing sunshine hours, results in predominantly dry, warm days. Weather in June »

Weather in July

July is identified as the city's warmest month, characterized by high temperatures and minimal rainfall. The city sizzles under a high temperature of 82.6°F (28.1°C), a stark contrast to the winter chills. Notably, July also marks the month with the minimum cloud coverage, continuing the trend set by June. Weather in July »

Weather in August

August mirrors July in terms of temperature, with the mercury also hitting 82.6°F (28.1°C). The trend of lengthy, clear days continues, with a comparable amount of sunshine to the peak summer month; the extended sunshine hours contributing to the steady warmth. Weather in August »

Weather in September

September announces the onset of fall, with a gradual dip in temperature and increased rainfall up to 0.67" (17mm). There's a reduction in sunshine and daylight hours, complimenting the mellowing weather. The royalty of fall colors begin to mix with the abundant green, as the cityscape transforms. Weather in September »

Weather in October

October in Wenatchee is marked by a significant change in weather, as fall matures and winter inches closer. There's a noticeable change in temperature, as the city bids goodbye to the summer sun and embraces the chilly fall breeze. Weather in October »

Weather in November

November firmly ensconces Wenatchee in the heart of fall, as the city prepares for winter. The month records an increase in snowfall again, with accumulations rising to 1.46" (37mm), an unmistakable sign of the approaching winter season. Weather in November »

Weather in December

Concluding the cycle, December brings back strong winter weather to Wenatchee, with the mercury dropping further and an increase in snowfall, amounting to 4.76" (121mm). With the initiation of winter, daylight dwindles to its lowest, with only 8.5 hours of illumination. Weather in December »
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

The most humid month is January, with an average relative humidity of 89%.

What is the rainiest month?

January is the month with the most rainfall. Rain falls for 11.8 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain?

Throughout the year, there are 111.1 rainfall days, and 11.3" (287mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Wenatchee are January through April, November and December.

How many days does it snow?

Throughout the year, there are 25.5 snowfall days, and 14.76" (375mm) of snow is accumulated.

What is the month with the least sunshine in Wenatchee?

The month with the least sunshine is January, with an average of 4.6h of sunshine.

What are the months with the lowest UV index?

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

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 PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 54min of daylight.

What month is the hottest?

The temperature hits its peak in July and August, recording an average high-temperature of 82.6°F (28.1°C).

What are the least humid months?

July and August, with an average relative humidity of 47%, are the least humid months.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 3.8 days and accumulates 0.24" (6mm) of rain.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

What month has the most sunshine?

With an average of 12.1h of sunshine, August has the most sunshine of the year.

What time of the year is the coldest?

December stands out as Wenatchee's coldest month, with temperatures ranging between an average high of 32.4°F (0.2°C) and a low of 20.7°F (-6.3°C).

When does it snow the most?

The month with the most snowfall is December, when snow falls for 6.9 days and typically aggregates up to 4.76" (121mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 30min of daylight.

Average temperature
Wenatchee, WA

Average temperature - Wenatchee, WA

The warmest months (with the highest average high temperature) are July and August (82.6°F).
The month with the lowest average high temperature is December (32.4°F).

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

Average pressure
Wenatchee, WA

Average pressure - Wenatchee, WA

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed
Wenatchee, WA

Average wind speed - Wenatchee, WA

The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity
Wenatchee, WA

Average humidity - Wenatchee, WA

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (47%).

Average rainfall
Wenatchee, WA

Average rainfall - Wenatchee, WA

The wettest month (with the highest rainfall) is January (1.77").
The driest months (with the least rainfall) are July and August (0.24").

Average rainfall days
Wenatchee, WA

Average rainfall days - Wenatchee, WA

The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (3.4 days).

Average snowfall
Wenatchee, WA

Average snowfall - Wenatchee, WA

The month with the highest snowfall is December (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Wenatchee, WA

Average snowfall days - Wenatchee, WA

The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Wenatchee, WA

Average daylight / Average sunshine - Wenatchee, WA

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days
Wenatchee, WA

Average sunshine days - Wenatchee, WA

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.3 days).

Average UV index
Wenatchee, WA

Average UV index - Wenatchee, WA

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

Average visibility
Wenatchee, WA

Average visibility - Wenatchee, WA

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

Wenatchee, Washington, USA

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