Alpine, Texas climate: Normal weather by month, frost dates and records

What is the weather like in Alpine each month?

June is the warmest month, with normal highs of 92°F; January the coldest, with normal lows of 31°F. The most precipitation falls in August (3.04 in), the least in March (0.40 in).

When is the best weather to visit Alpine?

Normal highs sit between 65°F and 85°F in February, March, April, September, October and November. Of those, March has the fewest days with rain (2).

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.

When is the last frost in Alpine?

In Alpine, the last spring frost (32°F) comes after April 2 in half of years and after April 20 in one year in ten; the first autumn frost comes before November 3 in half of years and before October 19 in one year in ten.

Last spring frost, half of years after

April 21 year in 10 after April 20; 9 in 10 after March 11

First autumn frost, half of years before

November 31 year in 10 before October 19; 9 in 10 before November 19

NOAA puts the median frost-free season at 216 days, and the season without a hard freeze (28°F) at 241 days.

A hard freeze (28°F) comes after March 14 in half of springs and before November 14 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Alpine in zone 8b in ZIP code 79830, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Alpine's NOAA station is in zone 8a: the coldest night of a typical year reaches 15°F (18 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.

Frost dates for every NOAA station in Texas · Frost dates by ZIP code

How hot and how cold does it get in Alpine?

In a normal year in Alpine, 82 days a year reach 90°F (8 of them 100°F or more), 56 nights fall to 32°F or colder and 65 days bring measurable precipitation.

Days at 90°F or more

82a normal year

Days at 100°F or more

8a normal year

Nights at 32°F or colder

56a normal year

Days that stay below freezing

2high of 32°F or less

Days with 0.01 inch of precipitation

65a normal year

Days with 1 inch of snow or more

1a normal year

The highest temperature in this station's record (since 1900) is 108°F, on June 6, 2014; the lowest is −3°F, on December 29, 1983.

The wettest calendar year on that record is 1941, with 33.09 in; the snowiest season is 1945–46, with 26.3 inches.

How sunny is Alpine?

Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Alpine, 5.6 kWh per square metre a day. April is the sunniest month (89%) and September the cloudiest (83%).

How much heating and cooling does Alpine need?

A normal year in Alpine brings 2,467 heating degree days, 54% fewer than the median U.S. place (5,373), and 1,688 cooling degree days, 86% more than the median (908). Four months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,247 growing degree days a year above 50°F.

Has Alpine been warmer than normal lately?

Over 42 complete years from 1930 to 2015, the station's annual mean temperature rose at a fitted 3.0°F per century (+0.16°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

What do Alpine's other NOAA stations record?

One more NOAA station keeps 1991-2020 normals in or near Alpine. This page uses Alpine; the other differs by site and elevation:

Nearby and next

• Texas climateThe statewide normals and every place in the state
• Fort Davis, TX21 miles from this station, 62.8°F a year
• Marfa, TX25 miles from this station, 59.3°F a year
• Marathon, TX27 miles from this station, 61.5°F a year
• Mount Locke, TX31 miles from this station, 59.2°F a year
• Compare two placesMonth by month, side by side

Download these normals (CSV) · JSON · How these figures are made