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July Weather in Lake Stevens Washington, United States

Daily high temperatures increase by 4°F, from 72°F to 77°F, rarely falling below 64°F or exceeding 86°F.

Daily low temperatures increase by 2°F, from 53°F to 55°F, rarely falling below 48°F or exceeding 59°F.

For reference, on August 2, the hottest day of the year, temperatures in Lake Stevens typically range from 55°F to 77°F, while on December 22, the coldest day of the year, they range from 35°F to 44°F.

Average High and Low Temperature in July in Lake Stevens

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on July. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in July in Lake Stevens

Average Hourly Temperature in July in Lake StevensJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJunAugcoldcoldcoolcomfortablecold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Verea, Spain (5,034 miles away) and Trun, France (4,910 miles) are the far-away foreign places with temperatures most similar to Lake Stevens (view comparison).

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The month of July in Lake Stevens experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 43% to 28%.

The clearest day of the month is July 31, with clear, mostly clear, or partly cloudy conditions 72% of the time.

For reference, on November 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 76%, while on August 2, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.

Cloud Cover Categories in July in Lake Stevens

Cloud Cover Categories in July in Lake StevensJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugJul 157%Jul 157%Jul 3172%Jul 3172%Jul 1164%Jul 1164%Jul 2170%Jul 2170%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Lake Stevens, the chance of a wet day over the course of July is very rapidly decreasing, starting the month at 20% and ending it at 10%.

For reference, the year's highest daily chance of a wet day is 61% on November 18, and its lowest chance is 10% on July 31.

Probability of Precipitation in July in Lake Stevens

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during July in Lake Stevens is decreasing, starting the month at 1.4 inches, when it rarely exceeds 2.9 inches or falls below 0.3 inches, and ending the month at 0.8 inches, when it rarely exceeds 2.1 inches or falls below 0.1 inches.

The lowest average 31-day accumulation is 0.8 inches on July 29.

Average Monthly Rainfall in July in Lake Stevens

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of July in Lake Stevens, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 58 minutes, implying an average daily decrease of 1 minute, 55 seconds, and weekly decrease of 13 minutes, 26 seconds.

The shortest day of the month is July 31, with 15 hours, 0 minutes of daylight and the longest day is July 1, with 15 hours, 58 minutes of daylight.

Hours of Daylight and Twilight in July in Lake Stevens

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the month in Lake Stevens is 5:13 AM on July 1 and the latest sunrise is 31 minutes later at 5:44 AM on July 31.

The latest sunset is 9:11 PM on July 1 and the earliest sunset is 27 minutes earlier at 8:44 PM on July 31.

Daylight saving time is observed in Lake Stevens during 2024, but it neither starts nor ends during July, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:08 AM and sets 16 hours, 3 minutes later, at 9:11 PM, while on December 21, the shortest day of the year, it rises at 7:55 AM and sets 8 hours, 22 minutes later, at 4:17 PM.

Sunrise & Sunset with Twilight in July in Lake Stevens

The solar day over the course of July. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in July in Lake Stevens

Solar Elevation and Azimuth in July in Lake StevensJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJunAug001010202020303040405050506000010102020303030404050506060
northeastsouthwest
Solar elevation and azimuth over the course of July 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for July 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in July in Lake Stevens

Moon Rise, Set & Phases in July in Lake StevensJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugJun 65:38 AMJun 65:38 AMJun 216:09 PMJun 216:09 PMJul 53:58 PMJul 53:58 PMJul 213:18 AMJul 213:18 AMAug 44:14 AMAug 44:14 AMAug 1911:26 AMAug 1911:26 AM4:44 AM4:44 AM10:10 PM10:10 PM9:46 PM9:46 PM5:10 AM5:10 AM4:22 AM4:22 AM9:48 PM9:48 PM9:14 PM9:14 PM5:21 AM5:21 AM5:42 AM5:42 AM9:15 PM9:15 PM8:13 PM8:13 PM5:44 AM5:44 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Jul 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
21%1:39 AMENE5:18 PMWNW-9:22 AMS232,331 mi
2
12%2:05 AMNE6:40 PMNW-10:16 AMS233,849 mi
3
6%2:39 AMNE7:55 PMNW-11:12 AMS235,690 mi
4
2%3:24 AMNE8:58 PMNW-12:10 PMS237,831 mi
5
0%4:22 AMNE9:48 PMNW-1:08 PMS240,204 mi
6
1%5:30 AMNE10:24 PMNW-2:03 PMS242,697 mi
7
4%6:44 AMNE10:50 PMWNW-2:53 PMS245,157 mi
8
9%7:57 AMENE11:10 PMWNW-3:40 PMS247,412 mi
9
16%9:09 AMENE11:27 PMWNW-4:22 PMS249,280 mi
10
23%10:17 AMENE11:40 PMW-5:02 PMS250,597 mi
11
32%11:23 AME11:53 PMW-5:41 PMS251,223 mi
12
42%12:29 PME--6:19 PMS251,063 mi
13
50%-12:06 AMW1:35 PMESE6:59 PMS250,078 mi
14
61%-12:20 AMWSW2:44 PMESE7:41 PMS248,290 mi
15
71%-12:37 AMWSW3:55 PMESE8:26 PMS245,791 mi
16
80%-12:57 AMWSW5:08 PMSE9:16 PMS242,740 mi
17
88%-1:24 AMSW6:22 PMSE10:12 PMS239,360 mi
18
94%-2:02 AMSW7:31 PMSE11:12 PMS235,923 mi
19
97%-2:53 AMSW8:29 PMSE--
20
98%-4:01 AMSW9:14 PMSE12:15 AMS232,725 mi
21
100%-5:21 AMSW9:48 PMSE1:17 AMS230,046 mi
22
99%-6:47 AMWSW10:13 PMESE2:17 AMS228,099 mi
23
95%-8:13 AMWSW10:33 PMESE3:12 AMS227,002 mi
24
88%-9:38 AMW10:51 PME4:04 AMS226,766 mi
25
79%-11:01 AMW11:07 PME4:53 AMS227,309 mi
26
68%-12:23 PMW11:24 PMENE5:41 AMS228,490 mi
27
50%-1:45 PMWNW11:44 PMENE6:29 AMS230,141 mi
28
45%-3:07 PMWNW-7:19 AMS232,103 mi
29
33%12:08 AMENE4:28 PMNW-8:11 AMS234,246 mi
30
23%12:38 AMNE5:45 PMNW-9:06 AMS236,477 mi
31
14%1:19 AMNE6:51 PMNW-10:03 AMS238,736 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Lake Stevens is essentially constant during July, remaining around 0% throughout.

For reference, on July 29, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in July in Lake Stevens

Humidity Comfort Levels in July in Lake StevensJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAugJul 10%Jul 10%Jul 310%Jul 310%Jul 110%Jul 110%Jul 210%Jul 210%comfortablecomfortabledrydryhumidhumid
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Lake Stevens is essentially constant during July, remaining within 0.1 miles per hour of 2.6 miles per hour throughout.

For reference, on December 3, the windiest day of the year, the daily average wind speed is 5.0 miles per hour, while on August 8, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.

Average Wind Speed in July in Lake Stevens

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Lake Stevens throughout July is predominantly from the west, with a peak proportion of 45% on July 18.

Wind Direction in July in Lake Stevens

Wind Direction in July in Lake StevensJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JunAugwestsouthnortheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Lake Stevens is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Lake Stevens is essentially constant during July, remaining within 1°F of 55°F throughout.

Average Water Temperature in July in Lake Stevens

Average Water Temperature in July in Lake StevensJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313149°F49°F50°F50°F51°F51°F52°F52°F53°F53°F54°F54°F55°F55°F56°F56°F57°F57°F58°F58°F59°F59°FJunAugJul 154°FJul 154°FJul 3155°FJul 3155°FJul 1155°FJul 1155°FJul 2155°FJul 2155°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Lake Stevens typically lasts for 7.5 months (228 days), from around March 25 to around November 8, rarely starting before February 24 or after April 18, and rarely ending before October 22 or after November 28.

The month of July in Lake Stevens is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in July in Lake Stevens

Time Spent in Various Temperature Bands and the Growing Season in July in Lake Stevensgrowing seasongrowing seasongrowing seasonJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAug100%Jul 16100%Jul 16Aug 2100%Aug 2100%coldcoolcomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Lake Stevens are increasing during July, increasing by 389°F, from 582°F to 971°F, over the course of the month.

Growing Degree Days in July in Lake Stevens

Growing Degree Days in July in Lake StevensJul1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131500°F500°F600°F600°F700°F700°F800°F800°F900°F900°F1,000°F1,000°F1,100°F1,100°F1,200°F1,200°FJunAugJul 1582°FJul 1582°FJul 31971°FJul 31971°FJul 11702°FJul 11702°FJul 21833°FJul 21833°F
The average growing degree days accumulated over the course of July, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Lake Stevens is essentially constant during July, remaining within 0.1 kWh of 6.5 kWh throughout.

The highest average daily incident shortwave solar energy during July is 6.6 kWh on July 20.

Average Daily Incident Shortwave Solar Energy in July in Lake Stevens

Average Daily Incident Shortwave Solar Energy in July in Lake StevensJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJunAugJul 206.6 kWhJul 206.6 kWhJul 16.4 kWhJul 16.4 kWhJul 316.4 kWhJul 316.4 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Lake Stevens are 48.015 deg latitude, -122.064 deg longitude, and 213 ft elevation.

The topography within 2 miles of Lake Stevens contains only modest variations in elevation, with a maximum elevation change of 361 feet and an average elevation above sea level of 254 feet. Within 10 miles contains only modest variations in elevation (2,352 feet). Within 50 miles contains large variations in elevation (10,531 feet).

The area within 2 miles of Lake Stevens is covered by artificial surfaces (43%) and trees (40%), within 10 miles by trees (48%) and artificial surfaces (21%), and within 50 miles by trees (54%) and water (17%).

This report illustrates the typical weather in Lake Stevens, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Lake Stevens.

For each station, the records are corrected for the elevation difference between that station and Lake Stevens according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Lake Stevens is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Lake Stevens and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Lake Stevens and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.