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March Weather in Grand Teton National Park Wyoming, United States

Daily high temperatures increase by 9°F, from 34°F to 43°F, rarely falling below 24°F or exceeding 54°F.

Daily low temperatures increase by 8°F, from 14°F to 22°F, rarely falling below -3°F or exceeding 32°F.

For reference, on July 27, the hottest day of the year, temperatures in Grand Teton National Park typically range from 44°F to 80°F, while on January 27, the coldest day of the year, they range from 6°F to 25°F.

Average High and Low Temperature in March in Grand Teton National Park

Average High and Low Temperature in March in Grand Teton National ParkMar1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°FFebAprMar 134°FMar 134°F14°F14°FMar 3143°FMar 3143°F22°F22°FMar 1137°FMar 1137°F16°F16°FMar 2140°FMar 2140°F19°F19°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 March. 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 March in Grand Teton National Park

Average Hourly Temperature in March in Grand Teton National ParkMar112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMFebAprfrigidfreezingvery coldvery coldcold
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.
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The month of March in Grand Teton National Park experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 57% throughout the month. The highest chance of overcast or mostly cloudy conditions is 58% on March 17.

The clearest day of the month is March 31, with clear, mostly clear, or partly cloudy conditions 44% of the time.

For reference, on March 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 58%, while on July 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 78%.

Cloud Cover Categories in March in Grand Teton National Park

Cloud Cover Categories in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FebAprJul 2778%Jul 2778%Mar 142%Mar 142%Mar 3144%Mar 3144%Mar 1143%Mar 1143%Mar 2143%Mar 2143%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 Grand Teton National Park, the chance of a wet day over the course of March is essentially constant, remaining around 23% throughout.

For reference, the year's highest daily chance of a wet day is 32% on May 29, and its lowest chance is 14% on July 3.

Over the course of March in Grand Teton National Park, the chance of a day with only rain increases from 5% to 9%, the chance of a day with mixed snow and rain remains an essentially constant 8% throughout, and the chance of a day with only snow decreases from 11% to 6%.

Probability of Precipitation in March in Grand Teton National Park

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 March in Grand Teton National Park is gradually increasing, starting the month at 0.5 inches, when it rarely exceeds 1.1 inches or falls below 0.1 inches, and ending the month at 0.8 inches, when it rarely exceeds 1.5 inches or falls below 0.2 inches.

Average Monthly Rainfall in March in Grand Teton National Park

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.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during March in Grand Teton National Park is rapidly decreasing, starting the month at 7.2 inches, when it rarely exceeds 13.3 inches or falls below 1.8 inches, and ending the month at 4.0 inches, when it rarely exceeds 8.1 inches or falls below 0.7 inches.

Average Monthly Snowfall in March in Grand Teton National Park

The average snowfall (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 rainfall.

Over the course of March in Grand Teton National Park, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 30 minutes, implying an average daily increase of 3 minutes, 1 second, and weekly increase of 21 minutes, 7 seconds.

The shortest day of the month is March 1, with 11 hours, 14 minutes of daylight and the longest day is March 31, with 12 hours, 44 minutes of daylight.

Hours of Daylight and Twilight in March in Grand Teton National Park

Hours of Daylight and Twilight in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFebAprMar 1912 hr, 8 minMar 1912 hr, 8 minnightnightdaydayMar 111 hr, 14 minMar 111 hr, 14 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 Grand Teton National Park is 6:44 AM on March 9 and the latest sunrise is 58 minutes later at 7:42 AM on March 10.

The earliest sunset is 6:12 PM on March 1 and the latest sunset is 1 hour, 37 minutes later at 7:49 PM on March 31.

Daylight saving time (DST) starts at 3:00 AM on March 10, 2024, shifting sunrise and sunset to be an hour later.

For reference, on June 20, the longest day of the year, the Sun rises at 5:40 AM and sets 15 hours, 28 minutes later, at 9:08 PM, while on December 21, the shortest day of the year, it rises at 7:53 AM and sets 8 hours, 55 minutes later, at 4:48 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in March in Grand Teton National Park

Sunrise & Sunset with Twilight and Daylight Saving Time in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMFebApr6:44 AM6:44 AMMar 96:22 PMMar 96:22 PM7:04 AM7:04 AMMar 317:49 PMMar 317:49 PM7:22 AM7:22 AMMar 217:37 PMMar 217:37 PMMar 10DSTMar 10DSTSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of March. 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 transitions to and from daylight saving time are indicated by the 'DST' labels.

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 March in Grand Teton National Park

Solar Elevation and Azimuth in March in Grand Teton National ParkMar112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMFebApr0010102020203030405000010102020303030405060
northeastsouthwest
Solar elevation and azimuth over the course of March 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 March 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 March in Grand Teton National Park

Moon Rise, Set & Phases in March in Grand Teton National ParkMar112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFebAprFeb 94:00 PMFeb 94:00 PMFeb 245:31 AMFeb 245:31 AMMar 103:01 AMMar 103:01 AMMar 251:01 AMMar 251:01 AMApr 812:22 PMApr 812:22 PMApr 235:50 PMApr 235:50 PM7:47 AM7:47 AM5:32 PM5:32 PM5:20 PM5:20 PM7:32 AM7:32 AM8:03 AM8:03 AM8:09 PM8:09 PM7:20 PM7:20 PM7:30 AM7:30 AM6:48 AM6:48 AM8:20 PM8:20 PM8:22 PM8:22 PM6:32 AM6:32 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.
Mar 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
71%-9:22 AMWSW-4:32 AMS246,759 mi
2
62%12:49 AMESE9:51 AMSW-5:20 AMS243,893 mi
3
50%1:59 AMSE10:29 AMSW-6:14 AMS240,493 mi
4
40%3:07 AMSE11:18 AMSW-7:12 AMS236,699 mi
5
29%4:08 AMSE12:21 PMSW-8:14 AMS232,740 mi
6
19%4:59 AMSE1:35 PMSW-9:17 AMS228,928 mi
7
10%5:40 AMESE2:57 PMWSW-10:19 AMS225,627 mi
8
4%6:13 AMESE4:22 PMWSW-11:17 AMS223,195 mi
9
1%6:40 AMESE5:46 PMWSW-12:12 PMS221,916 mi
10
0%8:03 AME8:09 PMW-4:00 AMNE221,773 mi
11
3%8:26 AME9:30 PMW-2:54 PMS223,281 mi
12
9%8:48 AMENE10:51 PMWNW-3:45 PMS225,758 mi
13
18%9:13 AMENE--4:37 PMS229,094 mi
14
27%-12:12 AMWNW9:42 AMENE5:30 PMS232,940 mi
15
38%-1:30 AMNW10:17 AMNE6:26 PMS236,943 mi
16
50%-2:42 AMNW11:01 AMNE7:22 PMS240,787 mi
17
60%-3:46 AMNW11:53 AMNE8:17 PMS244,232 mi
18
69%-4:38 AMNW12:54 PMNE9:10 PMS247,120 mi
19
78%-5:20 AMNW1:59 PMNE10:00 PMS249,375 mi
20
86%-5:52 AMWNW3:05 PMENE10:46 PMS250,985 mi
21
92%-6:17 AMWNW4:11 PMENE11:29 PMS251,982 mi
22
94%-6:38 AMWNW5:15 PMENE--
23
96%-6:57 AMWNW6:18 PME12:09 AMS252,424 mi
24
99%-7:13 AMW7:20 PME12:48 AMS252,375 mi
25
100%-7:30 AMW8:22 PME1:27 AMS251,888 mi
26
99%-7:46 AMWSW9:26 PMESE2:06 AMS251,001 mi
27
96%-8:05 AMWSW10:32 PMESE2:46 AMS249,730 mi
28
91%-8:27 AMWSW11:40 PMESE3:30 AMS248,071 mi
29
85%-8:53 AMWSW-4:17 AMS246,012 mi
30
77%12:49 AMSE9:27 AMSW-5:08 AMS243,547 mi
31
67%1:57 AMSE10:11 AMSW-6:04 AMS240,695 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 Grand Teton National Park is essentially constant during March, remaining around 0% throughout.

Humidity Comfort Levels in March in Grand Teton National Park

Humidity Comfort Levels in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%FebAprMar 10%Mar 10%Mar 310%Mar 310%Mar 110%Mar 110%Mar 210%Mar 210%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 Grand Teton National Park is essentially constant during March, remaining within 0.1 miles per hour of 5.3 miles per hour throughout.

For reference, on March 29, the windiest day of the year, the daily average wind speed is 5.4 miles per hour, while on August 4, the calmest day of the year, the daily average wind speed is 4.7 miles per hour.

The highest daily average wind speed during March is 5.4 miles per hour on March 29.

Average Wind Speed in March in Grand Teton National Park

Average Wind Speed in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mphFebAprMar 295.4 mphMar 295.4 mphMar 15.3 mphMar 15.3 mphMar 115.2 mphMar 115.2 mph
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 Grand Teton National Park throughout March is predominantly from the west, with a peak proportion of 42% on March 29.

Wind Direction in March in Grand Teton National Park

Wind Direction in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%FebAprwestsoutheastnorth
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 Grand Teton National Park typically lasts for 2.4 months (72 days), from around June 18 to around August 29, rarely starting before May 24 or after July 11, and rarely ending before August 6 or after September 17.

The month of March in Grand Teton National Park is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in March in Grand Teton National Park

Time Spent in Various Temperature Bands and the Growing Season in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FebApr0%Mar 160%Mar 160%Feb 280%Feb 28frigidfreezingvery coldcoldcool
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 Grand Teton National Park are essentially constant during March, remaining within 1°F of 1°F throughout.

Growing Degree Days in March in Grand Teton National Park

The average growing degree days accumulated over the course of March, 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 Grand Teton National Park is increasing during March, rising by 1.4 kWh, from 4.0 kWh to 5.3 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in March in Grand Teton National Park

Average Daily Incident Shortwave Solar Energy in March in Grand Teton National ParkMar11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhFebAprMar 14.0 kWhMar 14.0 kWhMar 315.3 kWhMar 315.3 kWhMar 114.4 kWhMar 114.4 kWhMar 214.9 kWhMar 214.9 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 Grand Teton National Park are 43.790 deg latitude, -110.682 deg longitude, and 6,424 ft elevation.

The topography within 2 miles of Grand Teton National Park contains only modest variations in elevation, with a maximum elevation change of 282 feet and an average elevation above sea level of 6,923 feet. Within 10 miles contains only modest variations in elevation (7,192 feet). Within 50 miles also contains extreme variations in elevation (8,694 feet).

The area within 2 miles of Grand Teton National Park is covered by shrubs (54%) and trees (40%), within 10 miles by shrubs (45%) and trees (27%), and within 50 miles by trees (44%) and shrubs (36%).

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

The details of the data sources used for this report can be found on the Jackson Hole Airport page.

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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