Yellowstone National Park E Ent, Wyoming climate: Climate normals at a NOAA weather station
Yellowstone National Park E Ent's normal year runs from 5°F December nights to 78°F July afternoons, with 26.1 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 2.3°C, December lows of −15°C, July highs of 25°C, 663 mm of precipitation a year.
- NOAA stationYellowstone National Park E Ent
- Station IDUSC00489902
- Location44.49°N 110.00°W
- Elevation6,954 ft (2,120 m)
On October 23, the normal high in Yellowstone National Park E Ent is 48°F and the normal low 21°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Yellowstone National Park E Ent.
- Jan 30° 4°
- Feb 32° 6°
- Mar 39° 11°
- Apr 47° 22°
- May 57° 30°
- Jun 67° 35°
- Jul 78° 39°
- Aug 77° 37°
- Sep 67° 31°
- Oct 51° 23°
- Nov 37° 13°
- Dec 29° 5°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Yellowstone National Park E Ent each month?
July is the warmest month, with normal highs of 78°F; December the coldest, with normal lows of 5°F. The most precipitation falls in November (2.89 in), the least in August (1.33 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 30°F | 4°F | 16.9°F | 2.11 | – | <1 | 31 | 9 h 10 min |
| February | 32°F | 6°F | 19.0°F | 1.95 | – | <1 | 28 | 10 h 30 min |
| March | 39°F | 11°F | 25.3°F | 1.89 | – | <1 | 31 | 11 h 50 min |
| April | 47°F | 22°F | 34.3°F | 2.03 | – | <1 | 29 | 13 h 30 min |
| May | 57°F | 30°F | 43.3°F | 2.56 | – | <1 | 22 | 14 h 50 min |
| June | 67°F | 35°F | 50.9°F | 2.64 | – | <1 | 9 | 15 h 30 min |
| July | 78°F | 39°F | 58.4°F | 1.38 | – | 1 | 2 | 15 h 10 min |
| August | 77°F | 37°F | 57.0°F | 1.33 | – | <1 | 4 | 14 h 10 min |
| September | 67°F | 31°F | 48.7°F | 1.94 | – | <1 | 19 | 12 h 40 min |
| October | 51°F | 23°F | 37.3°F | 2.53 | – | <1 | 28 | 11 h |
| November | 37°F | 13°F | 25.2°F | 2.89 | – | <1 | 29 | 9 h 40 min |
| December | 29°F | 5°F | 16.6°F | 2.87 | – | <1 | 31 | 8 h 50 min |
| Year (annual) | 51°F | 21°F | 36.1°F | 26.12 | – | 1 | 263 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −1°C | −16°C | −8.4°C | 54 mm |
| February | 0°C | −15°C | −7.2°C | 50 mm |
| March | 4°C | −12°C | −3.7°C | 48 mm |
| April | 8°C | −6°C | 1.3°C | 52 mm |
| May | 14°C | −1°C | 6.3°C | 65 mm |
| June | 19°C | 2°C | 10.5°C | 67 mm |
| July | 25°C | 4°C | 14.7°C | 35 mm |
| August | 25°C | 3°C | 13.9°C | 34 mm |
| September | 19°C | −1°C | 9.3°C | 49 mm |
| October | 11°C | −5°C | 2.9°C | 64 mm |
| November | 3°C | −10°C | −3.8°C | 73 mm |
| December | −2°C | −15°C | −8.6°C | 73 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Pahaska (2 miles away), gets 181 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00489902; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Yellowstone National Park E Ent?
Normal highs sit between 65°F and 85°F in June, July, August and September.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00489902.
How hot and how cold does it get at Yellowstone National Park E Ent?
In a normal year in Yellowstone National Park E Ent, 1 day a year reaches 90°F and 263 nights fall to 32°F or colder.
- Days at 90°F or more
- 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 263a normal year
- Days that stay below freezing
- 80high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00489902.
How sunny is it at Yellowstone National Park E Ent?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds at Yellowstone National Park E Ent, 4.2 kWh per square metre a day. July is the sunniest month (85%) and December the cloudiest (58%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 63% | 1.7 |
| February | 67% | 2.6 |
| March | 67% | 3.8 |
| April | 69% | 5.2 |
| May | 67% | 5.8 |
| June | 74% | 6.7 |
| July | 85% | 7.3 |
| August | 82% | 6.1 |
| September | 78% | 4.7 |
| October | 66% | 2.9 |
| November | 61% | 1.8 |
| December | 58% | 1.3 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Yellowstone National Park E Ent record?
A normal year at Yellowstone National Park E Ent brings 10,532 heating degree days, 96% more than the median U.S. place (5,373), and 5 cooling degree days, 99% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 659 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,493 | 0 |
| February | 1,288 | 0 |
| March | 1,231 | 0 |
| April | 921 | 0 |
| May | 674 | 0 |
| June | 423 | 0 |
| July | 209 | 3 |
| August | 250 | 2 |
| September | 489 | 0 |
| October | 859 | 0 |
| November | 1,196 | 0 |
| December | 1,500 | 0 |
| Year (annual) | 10,532 | 5 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00489902. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Have recent years at Yellowstone National Park E Ent been warmer than normal?
2021 averaged 36.8°F, 0.7°F above the 1991-2020 normal of 36.1°F.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 36.8°F | +0.7°F | 21.28 |
Source: observed years: ACIS, station USC00489902. A year counts only with all twelve months complete.
How does Yellowstone National Park E Ent's climate compare?
Yellowstone National Park E Ent is warmer than 3 of the 71 places with their own NOAA record in Wyoming, and wetter than 62. Across the 7,247 U.S. stations with normals, its annual mean of 36.1°F is warmer than 2%.
In the Köppen classification computed from these normals, Yellowstone National Park E Ent is Dfc: continental, no dry season, cool summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Yellowstone National Park E Ent's climate
What is the coldest month at Yellowstone National Park E Ent?
December, with a normal high of 29°F and a normal low of 5°F. The warmest is July (78°F by day, 39°F at night).
Does it snow at Yellowstone National Park E Ent?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Pahaska (2 miles away), records 181 inches of snow in a normal year.
What is the rainiest month at Yellowstone National Park E Ent?
November, with 2.89 in of precipitation in a normal year; the driest is August with 1.33 in.
Nearby and next
- Wyoming climateThe statewide normals and every place in the state
- Pahaska, WY2 miles from this station, 38.0°F a year
- Lake Yellowstone, WY20 miles from this station, 33.8°F a year
- Yellowstone Lake, WY21 miles from this station, 32.0°F a year
- Wapiti (1 mi WSW), WY29 miles from this station, 45.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made