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June Weather in Silverthorne Colorado, United States

Daily high temperatures increase by 10°F, from 62°F to 71°F, rarely falling below 51°F or exceeding 78°F.

Daily low temperatures increase by 7°F, from 38°F to 45°F, rarely falling below 32°F or exceeding 50°F.

For reference, on July 14, the hottest day of the year, temperatures in Silverthorne typically range from 47°F to 72°F, while on January 28, the coldest day of the year, they range from 10°F to 28°F.

Average High and Low Temperature in June in Silverthorne

Average High and Low Temperature in June in SilverthorneJun11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303020°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°FMayJulJun 162°FJun 162°F38°F38°FJun 3071°FJun 3071°F45°F45°FJun 1166°FJun 1166°F40°F40°FJun 2169°FJun 2169°F43°F43°F
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 June. 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 June in Silverthorne

Average Hourly Temperature in June in SilverthorneJun11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMayJulvery coldvery coldcoldcoolcomfortablefreezing
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.

Sauze d'Oulx, Italy (5,268 miles away) is the far-away foreign place with temperatures most similar to Silverthorne (view comparison).

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The month of June in Silverthorne experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 38% to 29%. The lowest chance of overcast or mostly cloudy conditions is 29% on June 30.

The clearest day of the month is June 30, with clear, mostly clear, or partly cloudy conditions 71% of the time.

For reference, on March 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 49%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.

Cloud Cover Categories in June in Silverthorne

Cloud Cover Categories in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MayJulMar 351%Mar 351%Jun 162%Jun 162%Jun 3071%Jun 3071%Jun 1169%Jun 1169%Jun 2171%Jun 2171%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 Silverthorne, the chance of a wet day over the course of June is essentially constant, remaining around 18% throughout.

For reference, the year's highest daily chance of a wet day is 33% on July 22, and its lowest chance is 12% on January 28.

Probability of Precipitation in June in Silverthorne

Probability of Precipitation in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%MayJulJun 1616%Jun 1616%Jun 120%Jun 120%Jun 3020%Jun 3020%mixedrainsnow
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 June in Silverthorne is essentially constant, remaining about 1.0 inches throughout, and rarely exceeding 1.9 inches or falling below 0.2 inches.

The lowest average 31-day accumulation is 0.9 inches on June 18.

Average Monthly Rainfall in June in Silverthorne

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 June in Silverthorne, the length of the day is essentially constant. The shortest day of the month is June 1, with 14 hours, 48 minutes of daylight and the longest day is June 20, with 14 hours, 59 minutes of daylight.

Hours of Daylight and Twilight in June in Silverthorne

Hours of Daylight and Twilight in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrMayJulJun 2014 hr, 59 minJun 2014 hr, 59 minnightnightdaydayJun 114 hr, 48 minJun 114 hr, 48 min
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 Silverthorne is 5:36 AM on June 13 and the latest sunrise is 4 minutes later at 5:40 AM on June 30.

The earliest sunset is 8:26 PM on June 1 and the latest sunset is 10 minutes later at 8:36 PM on June 27.

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

For reference, on June 20, the longest day of the year, the Sun rises at 5:36 AM and sets 14 hours, 59 minutes later, at 8:35 PM, while on December 21, the shortest day of the year, it rises at 7:21 AM and sets 9 hours, 22 minutes later, at 4:43 PM.

Sunrise & Sunset with Twilight in June in Silverthorne

Sunrise & Sunset with Twilight in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMMayJul5:36 AM5:36 AMJun 138:33 PMJun 138:33 PM5:38 AM5:38 AMJun 278:36 PMJun 278:36 PM5:38 AM5:38 AMJun 18:26 PMJun 18:26 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of June. 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 June in Silverthorne

Solar Elevation and Azimuth in June in SilverthorneJun11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMMayJul001010202020303040405050506060707000010102020303030404050506060607070
northeastsouthwest
Solar elevation and azimuth over the course of June 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 June 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 June in Silverthorne

Moon Rise, Set & Phases in June in SilverthorneJun11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMMayJulMay 79:23 PMMay 79:23 PMMay 237:54 AMMay 237:54 AMJun 66:38 AMJun 66:38 AMJun 217:09 PMJun 217:09 PMJul 54:58 PMJul 54:58 PMJul 214:18 AMJul 214:18 AM5:26 AM5:26 AM8:03 PM8:03 PM7:54 PM7:54 PM5:25 AM5:25 AM5:17 AM5:17 AM9:21 PM9:21 PM8:57 PM8:57 PM5:46 AM5:46 AM4:58 AM4:58 AM9:02 PM9:02 PM8:31 PM8:31 PM5:48 AM5:48 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.
Jun 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
29%2:34 AME3:13 PMW-8:51 AMS228,843 mi
2
19%2:59 AME4:26 PMWNW-9:39 AMS228,759 mi
3
10%3:25 AMENE5:41 PMWNW-10:29 AMS229,248 mi
4
4%3:56 AMENE6:57 PMWNW-11:22 AMS230,380 mi
5
1%4:32 AMENE8:12 PMNW-12:18 PMS232,167 mi
6
0%5:17 AMNE9:21 PMNW-1:17 PMS234,544 mi
7
2%6:11 AMNE10:21 PMNW-2:16 PMS237,366 mi
8
6%7:12 AMNE11:09 PMNW-3:14 PMS240,419 mi
9
13%8:18 AMNE11:48 PMWNW-4:07 PMS243,454 mi
10
21%9:25 AMENE--4:56 PMS246,224 mi
11
29%-12:19 AMWNW10:30 AMENE5:41 PMS248,508 mi
12
39%-12:44 AMWNW11:32 AMENE6:22 PMS250,131 mi
13
50%-1:06 AMWNW12:32 PME7:02 PMS250,973 mi
14
58%-1:26 AMW1:31 PME7:40 PMS250,982 mi
15
67%-1:46 AMW2:30 PME8:19 PMS250,169 mi
16
76%-2:06 AMW3:30 PMESE8:59 PMS248,609 mi
17
84%-2:27 AMWSW4:33 PMESE9:43 PMS246,434 mi
18
91%-2:52 AMWSW5:38 PMESE10:30 PMS243,824 mi
19
96%-3:22 AMWSW6:46 PMESE11:23 PMS240,988 mi
20
98%-4:00 AMSW7:53 PMSE--
21
100%-4:48 AMSW8:57 PMSE12:20 AMS238,149 mi
22
100%-5:46 AMSW9:52 PMSE1:21 AMS235,522 mi
23
98%-6:54 AMSW10:38 PMESE2:23 AMS233,282 mi
24
93%-8:08 AMWSW11:16 PMESE3:23 AMS231,542 mi
25
86%-9:24 AMWSW11:47 PMESE4:20 AMS230,344 mi
26
77%-10:39 AMWSW-5:12 AMS229,670 mi
27
66%12:14 AME11:52 AMW-6:01 AMS229,465 mi
28
50%12:38 AME1:04 PMW-6:49 AMS229,665 mi
29
43%1:03 AME2:16 PMWNW-7:36 AMS230,216 mi
30
31%1:28 AMENE3:28 PMWNW-8:24 AMS231,086 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 Silverthorne is essentially constant during June, remaining around 0% throughout.

Humidity Comfort Levels in June in Silverthorne

Humidity Comfort Levels in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%MayJulJun 160%Jun 160%Jun 10%Jun 10%Jun 300%Jun 300%drydry
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 Silverthorne is gradually decreasing during June, decreasing from 5.3 miles per hour to 4.4 miles per hour over the course of the month.

For reference, on January 13, the windiest day of the year, the daily average wind speed is 7.1 miles per hour, while on July 31, the calmest day of the year, the daily average wind speed is 3.7 miles per hour.

Average Wind Speed in June in Silverthorne

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 Silverthorne throughout June is predominantly from the west, with a peak proportion of 62% on June 8.

Wind Direction in June in Silverthorne

Wind Direction in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%MayJulwestsouthnortheast
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).

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 Silverthorne typically lasts for 3.4 months (105 days), from around June 4 to around September 18, rarely starting before May 17 or after June 23, and rarely ending before September 2 or after October 4.

During June in Silverthorne, the chance that a given day is within the growing season is very rapidly increasing rising from 42% to 97% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in June in Silverthorne

Time Spent in Various Temperature Bands and the Growing Season in June in Silverthornegrowing seasonJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%MayJulJun 142%Jun 142%97%Jun 3097%Jun 3068%Jun 1168%Jun 1188%Jun 2188%Jun 21May 1710%May 1710%Jul 27100%Jul 27100%freezingvery coldcoldcoolcomfortablewarm
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 Silverthorne are increasing during June, increasing by 190°F, from 82°F to 272°F, over the course of the month.

Growing Degree Days in June in Silverthorne

The average growing degree days accumulated over the course of June, 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 Silverthorne is essentially constant during June, remaining within 0.2 kWh of 8.0 kWh throughout.

The highest average daily incident shortwave solar energy during June is 8.1 kWh on June 18.

Average Daily Incident Shortwave Solar Energy in June in Silverthorne

Average Daily Incident Shortwave Solar Energy in June in SilverthorneJun1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh10 kWh10 kWhMayJulJun 188.1 kWhJun 188.1 kWhJun 17.8 kWhJun 17.8 kWhJun 308.0 kWhJun 308.0 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 Silverthorne are 39.632 deg latitude, -106.074 deg longitude, and 8,753 ft elevation.

The topography within 2 miles of Silverthorne contains very significant variations in elevation, with a maximum elevation change of 1,332 feet and an average elevation above sea level of 9,109 feet. Within 10 miles contains very significant variations in elevation (5,043 feet). Within 50 miles also contains extreme variations in elevation (9,035 feet).

The area within 2 miles of Silverthorne is covered by shrubs (50%) and trees (41%), within 10 miles by trees (69%) and snow and glaciers (18%), and within 50 miles by trees (58%) and shrubs (20%).

This report illustrates the typical weather in Silverthorne, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Silverthorne.

For each station, the records are corrected for the elevation difference between that station and Silverthorne 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 Silverthorne is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Silverthorne 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 Silverthorne 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.

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