Alpine, Wyoming Climate

NOAA 1991-2020 normals for Bedford 3 Se, 33.6 km from Alpine

The warmest month is July, with an average high of 80°F; the coldest is January, with an average low of 6°F. A normal year brings 25.3 in of precipitation.

Temperature through the year

The normal daily high and low and the record for every date at Alpine (46U), since 1975. The line marks today.

Normal low
Normal high
Record high
Record low

Normals for Sep 24

Normal high: 67°F
Normal low: 32°F
Record high: 83°Fin 1987
Record low: 23°Fin 2000
Chance of a wet day: 26%
Daylight: 12 h 03 min

Month by month

Averages for 1991-2020. Wet days have at least 0.01 inch of precipitation. Freeze nights have a low of 32°F or colder; degree days are on a 65°F base. Each month links to its own page.

Month	Avg high	Avg low	Record high	Record low	Precipitation	Wet days	Freeze nights	Heating DD	Cooling DD
January	28°F	6°F	52°F (2002)	-38°F (1979)	2.52 in	12.4	30.8	1,477	0
February	33°F	8°F	54°F (1977)	-31°F (1989)	2.54 in	11.2	27.8	1,256	0
March	42°F	16°F	63°F (1978)	-22°F (2002)	2.25 in	11.1	30.5	1,127	0
April	50°F	23°F	77°F (2012)	-2°F (1983)	2.28 in	10.6	27.7	857	0
May	61°F	32°F	90°F (1982)	12°F (1984)	3.08 in	12.1	14.9	574	0
June	71°F	37°F	92°F (2002)	17°F (2000)	2.22 in	9.4	6.3	337	1
July	80°F	43°F	97°F (2002)	18°F (2000)	1.09 in	6.0	1.0	125	18
August	79°F	41°F	98°F (2001)	24°F (1992)	1.26 in	6.7	1.6	154	8
September	70°F	34°F	93°F (2022)	10°F (1999)	1.70 in	7.3	11.2	380	1
October	56°F	26°F	82°F (2010)	-11°F (2019)	2.10 in	8.8	26.1	749	0
November	40°F	16°F	71°F (2020)	-19°F (2010)	2.13 in	10.6	29.1	1,109	0
December	28°F	7°F	60°F (2021)	-37°F (1990)	2.10 in	12.3	31.0	1,472	0
Year	53°F	24°F			25.27 in	119	238	9,615	28

Precipitation

Rain and melted snow together. The chance of a wet day is the share of days with at least 0.01 inch of precipitation.

25.3 in in a normal year, most in May.

Chance of a wet day

Chance of a wet day

Frost and the growing season

NOAA's 1991-2020 freeze probabilities for Bedford 3 Se. A median date has an even chance of a later freeze in spring, or an earlier one in fall.

NOAA does not state freeze dates for this station.

Median at 28°F: last June 3, first September 13

Frost dates, growing season and degree days

Humidity and comfort

NASA POWER reanalysis, 1991-2020, for the grid cell around Alpine.

Days with a mean dew point of 65°F or more are rare here in every month.

Month	Dew point	Humidity	Dry	Comfortable	Humid	Muggy	Oppressive	Miserable
January	13°F	97%	100%	0%	0%	0%	0%	0%
February	16°F	95%	100%	0%	0%	0%	0%	0%
March	21°F	87%	100%	0%	0%	0%	0%	0%
April	25°F	72%	100%	0%	0%	0%	0%	0%
May	33°F	65%	100%	0%	0%	0%	0%	0%
June	38°F	59%	100%	0%	0%	0%	0%	0%
July	42°F	50%	99%	1%	0%	0%	0%	0%
August	39°F	48%	99%	1%	0%	0%	0%	0%
September	33°F	52%	100%	0%	0%	0%	0%	0%
October	26°F	64%	100%	0%	0%	0%	0%	0%
November	20°F	81%	100%	0%	0%	0%	0%	0%
December	14°F	95%	100%	0%	0%	0%	0%	0%

Comfort is judged by the day's mean dew point: dry below 55°F, comfortable to 60°F, humid to 65°F, muggy to 70°F, oppressive to 75°F, miserable above.

Clouds

Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.

The clearest month is July, with the sky 42 percent covered on average; the cloudiest is May, at 70 percent.

Wind

The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.

The windiest month is February, averaging 6.3 mph at 10 meters (33 feet) above the ground.

Daylight and sunshine

The longest day is Jun 17, with 15 h 23 min of daylight; the shortest is Dec 17, with 8 h 59 min.

Day length

Solar energy

Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.

Sunrise and sunset calendar

How Lincoln County is running

NOAA NCEI Climate at a Glance, from the nClimGrid analysis of every station, updated early each month. A rank of 1 is the highest or lowest of all years since 1895.

August 2026 in Lincoln County: 63.1°F (+2.6 °F against 1991-2020), the 4th warmest in 132 years on record.

August 2026 in Lincoln County: 1.84 in (+0.78 in against 1991-2020), the 17th wettest in 132 years on record.

January to August 2026 in Lincoln County: 44.6°F (+3.8 °F against 1991-2020), the warmest in 132 years on record.

January to August 2026 in Lincoln County: 11.12 in (-2.17 in against 1991-2020), the 29th driest in 132 years on record.

Warmest August: 63.4°F in 2020
Coolest August: 55.0°F in 1899
Wettest August: 3.77 in in 2014
Driest August: 0.01 in in 1944

Every year since 1895

Wyoming climate and rankings

Month pages

The weather in Alpine in each month, day by day.

What this means

A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.

A record is the highest or lowest value on the date in every year the station has reported, back to 1975. It rests on one station, so a neighbor a few miles away can hold different ones.

Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.

More for this place

Nearby

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00480603 (Bedford 3 Se), public domain. Records: NOAA GHCN-Daily, station USC00480603, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus. Rankings: NOAA NCEI Climate at a Glance, public domain.