Snoqualmie pass weather: The forecast for Snoqualmie Pass is a bit on the cool side this month. Expect mostly sunny skies, and wind speeds around 10 mph. Read on to learn more about the average monthly temperature and how much rain/snow is expected. Also learn about the average precipitation in Snoqualmie Pass.
Average monthly temperature
The average temperature in Snoqualmie Pass is around 53.5 degrees. This mountain area is located 42 miles from Seattle, which means that the climate there can be rather variable. The chart below shows the average temperatures for this mountain area. The graph is based on data from 1985 to 2015. The average monthly temperature at Snoqualmie Pass is between 52 and 57 degrees Fahrenheit. The average humidity is about 68%.
In general, the highest temperature in Snoqualmie Pass is in July. The lowest temperature is in September. There are plenty of things to consider when preparing for your trip. The climate of Snoqualmie Pass depends on many factors, including altitude and surrounding weather patterns. However, it is important to remember that the average temperature can vary quite a bit depending on the time of year.
The wettest month is November. It has a 59% chance of precipitation on a typical day, while the driest month is August. The average number of days with precipitation in Snoqualmie Pass is 184.4. It also rains around 30% of the time in spring and 14% in autumn. There are 15 hours of daylight during the day in Snoqualmie Pass, with sunrise at 5:29 AM and sunset at 8:34 PM.
The average monthly temperature at Snoqualmie is based on the average temperature at three different weather stations located in the vicinity. The records from each station are adjusted for the elevation and relative change in MERRA-2 satellite era reanalysis between them. The estimated value of the temperature at Snoqualmie is a weighted average of these three contributions, which are proportional to the distance from Snoqualmie to the nearest weather station.
The average temperature in Snoqualmie is around 71 degrees Fahrenheit. It rarely drops below 24 degrees and rarely rises above 88 degrees. The warmest months are August and July, with the coolest months being February and December. The average growing season in Snoqualmie lasts about 8.1 months, or 250 days.
The wetter season in Snoqualmie lasts 7.8 months. The wettest month is November with the highest number of rainy days. On the other hand, the drier season lasts 4.2 months. In this area, the most precipitation occurs in November and December.
The average maximum and minimum temperature of each month are also plotted on the graph. These data are adjusted for elevation and wind speed and are shown in the form of a graph. The chart also shows the average number of days with rain or snow. The average wind speed for each month can be changed in your preferences.
Probability of rain/snow in Snoqualmie Pass during a given month
During a given month, the chances of snow and rain in Snoqualmie Pass are fairly low. The average snowfall and rainfall over a 31-day period are 4.2 inches and 2.7 inches, respectively. December is the windiest month and August is the calmest. The temperature in Snoqualmie Pass varies greatly throughout the year. The shortest days are December 21 with an average low of 8 degrees Celsius (28 degrees Fahrenheit) and the longest days are June 21 with 15 hours, 59 minutes of daylight. You can also view the probability of rain/snow for each month by using the graph below.
The wettest month in Snoqualmie Pass is March. There is a 59% chance of rain or snow during this month. This is one of the wettest places in Washington, with 184.4 days of precipitation per year. In February, there is a 14% chance of precipitation, while the driest month is August.
The cloudier part of the year starts around October 4 and lasts for 8.6 months. The cloudiest month is December with an average of 77% cloud cover. The percentage of sky covered by clouds is important in determining the probability of rain/snow in Snoqualmie. If the sky is over 60%, it is considered a “wet day.”
Summers in Snoqualmie are short and partly cloudy. The average temperature is between 35 degrees Fahrenheit and 77 degrees Fahrenheit. Winters are cooler than summers. Average temperatures in February are below 48 degrees Fahrenheit.
The best time of year to visit Snoqualmie Pass is from July to August. During this time, the temperature is pleasant with almost no rainfall. The hottest month is August and the coldest month is December. You can expect to visit Snoqualmie Pass at least one time during each of these seasons and avoid the rainiest months. But if you’re unsure, try visiting the pass between August and December.
The snow climate in Snoqualmie Pass is influenced by low-elevation corridors that run through eastern Washington. In winter, the Cascades to separate the mild marine air to the west from the cold, dry air in the east. This cold air often pushes into the pass, resulting in lower snow levels.
The probability of snow/rain in Snoqualmie Pass for a given month is based on an underlying atmospheric model that predicts the onset of an upper-level trough and moisture entering the Pacific Northwest by early next week. While the weather may be unpredictable at long lead times, the GFS has predicted a healthy upper-level trough across the western U.S. early next week, bringing more rain and snow to the region.
The average amount of rainfall in Snoqualmie Pass during a given month
Snoqualmie Pass experiences seasonal variations in the amount of precipitation it receives each month. The month with the highest average precipitation is November, and the month with the lowest is July. Throughout the year, the pass experiences 74.4 inches of precipitation.
The amount of precipitation varies significantly based on elevation. The yearly average is based on the 25th to 75th percentile bands. The precipitation is accumulated over the course of 31 days. The longest day of the year is June 21 with 15 hours, 59 minutes of daylight, and the shortest day is December 21 with eight hours, 26 minutes of daylight. The black line indicates the number of hours the Sun will be visible; the color bands indicate full day, twilight, and night.
Data collection at the study site began in 1931. This early data collection supported WSDOT in their daily highway management efforts. In addition, the study also provided data to the Northwest Avalanche Center. It also helped nearby ski operations. The daily measurements are useful for proving the partition phase.
Temperatures in Snoqualmie Pass vary throughout the year. The summers are warm and the winters are cool. The average temperature ranges between 35 and 77degF, but rarely falls below 24degF or exceeds 88degF. The coldest month is December, with temperatures between 35 and 44degF.
On the west side of the mountain, 3.5 inches of rain is expected to fall Tuesday and Wednesday. This will make the snow on the slopes unstable. However, WSDOT is still working toward opening the pass on Wednesday. Because of the changing weather conditions, crews have abandoned about 20 percent of their snow clearing efforts. Meanwhile, the snowpack sits at 102 inches.
Several weather stations near Snoqualmie Pass provide data on temperatures in the region. Each station is adjusted for the elevation of the mountain. Averaging the contributions of the three stations produces a single estimate of the temperature at Snoqualmie Pass.
Rainfall amounts are higher in the winter months than in summer, but there are still dry Snoqualmie pass weather months in between. A recent rainstorm broke all previous daily rainfall records and set a record of 2.97 inches for February. The heavy rainfall marked an abrupt turnaround in precipitation amounts during the month.
The snowpack in Snoqualmie Pass has been above normal for the last few months. It’s at or near the average since 1991. However, the snowpack is continually changing, so you can’t depend on the exact numbers. Fortunately, the snowpack is high enough for you to enjoy a fun and relaxing ski trip!
For more information about the weather in Snoqualmie Pass, you can check out the National Weather Service’s weather page. Their site contains weather reports and forecasts for mountain passes throughout the state of Washington. You can also find information on snow depth and year-to-date precipitation in Paradise and the surrounding area. Additionally, you can check out avalanche forecasts for the entire state of Washington and northern Oregon.
