Monthly weather forecast and climate
Cle Elum, WA

The deep blue lake surrounded by a scenic layout of high hills and deep forestry and far mountain ranges in Cle Elum, Washington
The deep blue lake surrounded by a scenic layout of high hills and deep forestry and far mountain ranges in Cle Elum, Washington
Cle Elum has a humid continental type of climate (Köppen climate classification Dsb) with mild, dry summers and snowy, wet winters. It lies in Kittitas County of Washington State in the Pacific Northwest region of the United States. The Pacific Ocean and the Cascade Mountain Range have a significant influence on the climate of Cle Elum along with the prevailing westerly winds.

Cle Elum lies at an average altitude of 582 meters above sea level with mountains surrounding the city that make it difficult to predict the weather accurately. Rivers, valleys, snow-capped mountains, farmlands, and wilderness form a part of the topography, as the region remains popular for camping and outdoor activities. The city lies in the rain shadow part of the mountains and is colder than the western area of the state.

Summers are temperate in Cle Elum and relatively dry as most rainfall occurs during thunderstorms. The warmest temperatures register during August, with an average high of 80°F (26.7°C). Winters are cold and wet with a peak in December that has an average low temperature of 22°F (-5.6°C). Spring is cold at the start of the season but warms up by May.
Early autumn has warm days, while the latter part of the season is the rainiest.

The annual precipitation in Cle Elum is a modest 22" (558.8mm), the majority of which occurs in late fall, winter, and early spring. Snowfall is substantial to the tune of 79" (2006.6mm) as winter accumulates large amounts of snow on the ground. Sleet, hail, and fog are frequent during the cold season. The sunshine is moderate at best, with 199 sunny days during the year. Cle Elum is one of the coldest places in Washington, with 146 nights during the year below freezing.

The highest recorded temperature in Cle Elum is 105°F (40.6°C), while the lowest temperature on record is -33°F (-36.1°C).
The best time to visit Cle Elum is from May to September that covers late spring, summer, and early fall seasons. The temperatures are warm to hot and range in the comfortable zone of 41°F (5°C) to 80°F (26.7°C). The cold and precipitation gradually recede in the warm weather, and the ground thaws quickly. Summer is the peak tourist season with pleasant temperatures that soars the accommodation prices. May and September are borderline cold and preferable for budget travelers.

The worst time to visit Cle Elum is in the harsh winter from December to February when the cold is at the peak. Nights are routinely below freezing, and even the days are cold. The skies are dark and gloomy as the sunlight is weak, and the days are short. Icy precipitation in the form of snow, sleet, and hail is frequent during the winter. The roads tend to be slippery, and the trails are snowy.

Cle Elum is prone to thunderstorms during late spring and summer. Winters experience many snowstorms that can bring the whole area to a grinding halt. Snowfall up to 25" (635mm) can occur in a single day, causing a significant slowdown in the city and avalanches in the surrounding mountains. As with all places in the Pacific Northwest, the probability of major earthquakes occurring in the region is high.

January is icy in Cle Elum as the temperatures are mostly between 24°F (-4.4°C) to 36°F (2.2°C). The city becomes a winter wonderland. Weather in January »

February sees Cle Elum in the grip of the winter temperatures that average between 24°F (-4.4°C) to 41°F (5°C). The precipitation of 2.7" (68.6mm) is mainly in the form of icy rain and sleet. Weather in February »

March is a cold month in Cle Elum as the sun struggles to stay in the sky for long periods. The average temperatures lie in the range of a cold 30°F (-1.1°C) to a mild 50°F (10°C). Weather in March »

April sees the arrival of the short spring season in Cle Elum with comfortable day temperatures. The average temperatures are in the cold to warm range of 34°F (1.1°C) to 57°F (13.9°C). Weather in April »

May sees the spring season at its peak in Cle Elum, Washington, with warm days amid the blooming of flowers and sweet aroma of the soil. Weather in May »

The average temperatures in Cle Elum are in the pleasant zone of 47°F (8.3°C) to 71°F (21.7°C) with slightly cold nights and warm days. Weather in June »

The average temperatures in Cle Elum range from a comfortable 53°F (11.7°C) at night, to a warm 80°F (26.7°C) during the day. Weather in July »

The average temperatures are in the range of 52°F (11.1°C) to 80°F (26.7°C) with dry nights that are perfect for camping outdoors. Weather in August »

September sees the arrival of the fall season in Cle Elum with mild temperatures, partly cloudy skies, and meager rainfall to the tune of 0.8" (20.3mm). Weather in September »

October lies in the cold part of the autumn season when the average temperatures drop to the range of 34°F (1.1°C) to 58°F (14.4°C). Weather in October »

November is the wettest month of the year in Cle Elum that registers 4.3" (109.2mm) of heavy precipitation. The end of the fall season brings the first measurable snowfall. Weather in November »

December is the coldest month of the year in Cle Elum, with most of the nights below freezing. The average temperatures are in the frigid zone of 22°F (-5.6°C) to 33°F (0.6°C). Weather in December »

How much does it rain in Cle Elum?

Throughout the year, in Cle Elum, Washington, 22.4" (567.8mm) of rain is accumulated.

What are the warmest months in Cle Elum?

Warmest months in Cle Elum are July and August, with an average high-temperature of 80.1°F (26.7°C).

What is the driest month in Cle Elum?

August is the month with the least rainfall in Cle Elum, with 0.5" (12.7mm) of accumulated precipitation.

What is the wettest month in Cle Elum?

The month with the most rainfall is November when 4.3" (109.5mm) of precipitation is typically aggregated.

What is the coldest month in Cle Elum?

The coldest month in Cle Elum, Washington, is December, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.9°F (-5.6°C).
Average temperature - Cle Elum, WA
Average rainfall - Cle Elum, WA

The wettest month (with the highest rainfall) is November (109.5mm).
The driest month (with the lowest rainfall) is August (12.7mm).

Average daylight - Cle Elum, WA

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.6h).