Atlantic City, Wyoming climate: Normal weather by month, frost dates and records
Atlantic City's normal year runs from 1°F January nights to 78°F July afternoons, with 17.9 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 2.5°C, January lows of −17°C, July highs of 26°C, 454 mm of precipitation a year.
- NOAA stationAtlantic City
- Station IDUSC00480432
- Location42.50°N 108.73°W
- Elevation7,821 ft (2,384 m)
- Population (census place)27
On October 23, the normal high in Atlantic City is 48°F and the normal low 20°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Atlantic City.
- Jan 30° 1°
- Feb 31° 7°
- Mar 38° 13°
- Apr 46° 21°
- May 57° 29°
- Jun 69° 37°
- Jul 78° 43°
- Aug 76° 42°
- Sep 67° 33°
- Oct 52° 23°
- Nov 38° 12°
- 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 in Atlantic City each month?
July is the warmest month, with normal highs of 78°F; January the coldest, with normal lows of 1°F. The most precipitation falls in May (2.60 in), the least in July (0.82 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 30°F | 1°F | 15.4°F | 0.96 | – | <1 | 31 | 9 h 20 min |
| February | 31°F | 7°F | 19.2°F | 1.49 | – | <1 | 28 | 10 h 30 min |
| March | 38°F | 13°F | 25.7°F | 1.62 | – | <1 | 31 | 11 h 50 min |
| April | 46°F | 21°F | 33.6°F | 1.89 | – | <1 | 29 | 13 h 20 min |
| May | 57°F | 29°F | 42.7°F | 2.60 | – | <1 | 22 | 14 h 30 min |
| June | 69°F | 37°F | 53.0°F | 1.55 | – | <1 | 7 | 15 h 20 min |
| July | 78°F | 43°F | 60.6°F | 0.82 | – | <1 | 1 | 15 h |
| August | 76°F | 42°F | 58.9°F | 1.05 | – | <1 | 2 | 14 h |
| September | 67°F | 33°F | 49.8°F | 1.31 | – | <1 | 12 | 12 h 30 min |
| October | 52°F | 23°F | 37.4°F | 1.55 | – | <1 | 27 | 11 h 10 min |
| November | 38°F | 12°F | 25.0°F | 1.58 | – | <1 | 30 | 9 h 50 min |
| December | 29°F | 5°F | 16.7°F | 1.46 | – | <1 | 31 | 9 h 10 min |
| Year (annual) | 51°F | 22°F | 36.5°F | 17.88 | – | <1 | 249 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −1°C | −17°C | −9.2°C | 24 mm |
| February | 0°C | −14°C | −7.1°C | 38 mm |
| March | 3°C | −10°C | −3.5°C | 41 mm |
| April | 8°C | −6°C | 0.9°C | 48 mm |
| May | 14°C | −2°C | 5.9°C | 66 mm |
| June | 20°C | 3°C | 11.7°C | 39 mm |
| July | 26°C | 6°C | 15.9°C | 21 mm |
| August | 24°C | 6°C | 14.9°C | 27 mm |
| September | 19°C | 1°C | 9.9°C | 33 mm |
| October | 11°C | −5°C | 3.0°C | 39 mm |
| November | 3°C | −11°C | −3.9°C | 40 mm |
| December | −2°C | −15°C | −8.5°C | 37 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Lander (22 miles away), gets 88 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00480432; 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.
When is the best weather to visit Atlantic City?
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 USC00480432.
How hot and how cold does it get in Atlantic City?
In a normal year in Atlantic City, a 90°F day is rare and 249 nights fall to 32°F or colder.
- Days at 90°F or more
- fewer than 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 249a normal year
- Days that stay below freezing
- 84high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00480432.
How sunny is Atlantic City?
Over a year 81% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Atlantic City, 4.8 kWh per square metre a day. July is the sunniest month (86%) and December the cloudiest (72%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 2.3 |
| February | 78% | 3.3 |
| March | 74% | 4.4 |
| April | 75% | 5.6 |
| May | 77% | 6.6 |
| June | 85% | 7.7 |
| July | 86% | 7.4 |
| August | 86% | 6.5 |
| September | 86% | 5.3 |
| October | 80% | 3.6 |
| November | 78% | 2.5 |
| December | 72% | 1.8 |
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 much heating and cooling does Atlantic City need?
A normal year in Atlantic City brings 10,393 heating degree days, 93% more than the median U.S. place (5,373), and 18 cooling degree days, 98% 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 863 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,539 | 0 |
| February | 1,282 | 0 |
| March | 1,218 | 0 |
| April | 944 | 0 |
| May | 691 | 0 |
| June | 361 | 1 |
| July | 147 | 9 |
| August | 199 | 8 |
| September | 456 | 0 |
| October | 857 | 0 |
| November | 1,202 | 0 |
| December | 1,497 | 0 |
| Year (annual) | 10,393 | 18 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00480432. 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.
How does Atlantic City's climate compare?
Atlantic City is warmer than 3 of the other 70 places with their own NOAA record in Wyoming, and wetter than 54. Across the 7,247 U.S. stations with normals, its annual mean of 36.5°F is warmer than 2%.
In the Köppen classification computed from these normals, Atlantic City 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 Atlantic City's climate
What is the coldest month in Atlantic City?
January, with a normal high of 30°F and a normal low of 1°F. The warmest is July (78°F by day, 43°F at night).
Does it snow in Atlantic City?
Yes. NOAA publishes no 1991-2020 snowfall normal for Atlantic City's NOAA station; the nearest record that keeps one, Lander (22 miles away), records 88 inches of snow in a normal year.
What is the rainiest month in Atlantic City?
May, with 2.60 in of precipitation in a normal year; the driest is July with 0.82 in.
What plant hardiness zone is Atlantic City in?
The USDA's 2023 map puts Atlantic City in zone 5a in ZIP code 82520, the nearest ZIP area.
Nearby and next
- Wyoming climateThe statewide normals and every place in the state
- South Pass City, WY4 miles from this station, 35.8°F a year
- Lander, WY22 miles from this station, 45.1°F a year
- Riverton, WY41 miles from this station, 44.5°F a year
- Farson, WY43 miles from this station, 37.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made