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La Junta weather by month

What a typical year looks like in La Junta, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at La Junta Municipal Airport, 8 km from La Junta; records cover 1945–2026.

Today’s La Junta forecast

The year at a glance

January: typical high 46.5°F, low 18.1°F, precipitation 0.21 in. February: typical high 50.5°F, low 21.3°F, precipitation 0.25 in. March: typical high 61.3°F, low 29.6°F, precipitation 0.71 in. April: typical high 68.8°F, low 37.7°F, precipitation 1.22 in. May: typical high 78.8°F, low 48°F, precipitation 1.59 in. June: typical high 90°F, low 58.4°F, precipitation 1.31 in. July: typical high 94.5°F, low 63.6°F, precipitation 2.21 in. August: typical high 91.8°F, low 61.8°F, precipitation 1.43 in. September: typical high 84.3°F, low 52.9°F, precipitation 0.84 in. October: typical high 70.5°F, low 38.8°F, precipitation 0.94 in. November: typical high 56.9°F, low 26.8°F, precipitation 0.37 in. December: typical high 46.2°F, low 18.4°F, precipitation 0.26 in.−30°−34°−10°−23°10°−12°30°−1°50°10°70°21°90°32°110°43°47°8°18°−8°Jan51°10°21°−6°Feb61°16°30°−1°Mar69°20°38°3°Apr79°26°48°9°May90°32°58°15°Jun95°35°64°18°Jul92°33°62°17°Aug84°29°53°12°Sep71°21°39°4°Oct57°14°27°−3°Nov46°8°18°−8°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
11.3 in288 mm
Snow a year
Rare
Last spring freeze
Apr 23
First fall freeze
Oct 10
Heating degree days
5,036
Cooling degree days
1,356

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 103°39° (cooling, 1%).

Month by month

La Junta in January

Highs average 47°8° and lows 18°−8°, with 0.21 in5.3 mm of precipitation in a typical January.

Record high
78°26° (1982)
Record low
−23°−31° (1948)
Heating degree days
1014
Cooling degree days
0

La Junta in February

Highs average 51°10° and lows 21°−6°, with 0.25 in6.4 mm of precipitation in a typical February.

Record high
86°30° (2017)
Record low
−20°−29° (1982)
Heating degree days
815
Cooling degree days
0

La Junta in March

Highs average 61°16° and lows 30°−1°, with 0.71 in18 mm of precipitation in a typical March.

Record high
92°33° (2026)
Record low
−17°−27° (1960)
Heating degree days
607
Cooling degree days
1

La Junta in April

Highs average 69°20° and lows 38°3°, with 1.2 in31 mm of precipitation in a typical April.

Record high
95°35° (1981)
Record low
10°−12° (1945)
Heating degree days
360
Cooling degree days
7

La Junta in May

Highs average 79°26° and lows 48°9°, with 1.6 in40 mm of precipitation in a typical May.

Record high
104°40° (2002)
Record low
22°−6° (1954)
Heating degree days
129
Cooling degree days
80

La Junta in June

Highs average 90°32° and lows 58°15°, with 1.3 in33 mm of precipitation in a typical June.

Record high
110°43° (1990)
Record low
38°3° (2007)
Heating degree days
10
Cooling degree days
286

La Junta in July

Highs average 95°35° and lows 64°18°, with 2.2 in56 mm of precipitation in a typical July.

Record high
109°43° (1964)
Record low
48°9° (1952)
Heating degree days
0
Cooling degree days
436

La Junta in August

Highs average 92°33° and lows 62°17°, with 1.4 in36 mm of precipitation in a typical August.

Record high
108°42° (2008)
Record low
43°6° (1993)
Heating degree days
2
Cooling degree days
368

La Junta in September

Highs average 84°29° and lows 53°12°, with 0.84 in21 mm of precipitation in a typical September.

Record high
108°42° (2020)
Record low
22°−6° (1985)
Heating degree days
55
Cooling degree days
163

La Junta in OctoberThis month

Highs average 71°21° and lows 39°4°, with 0.94 in24 mm of precipitation in a typical October.

Record high
95°35° (1975)
Record low
0°−18° (2019)
Heating degree days
336
Cooling degree days
15

La Junta in November

Highs average 57°14° and lows 27°−3°, with 0.37 in9.4 mm of precipitation in a typical November.

Record high
86°30° (2017)
Record low
−11°−24° (1976)
Heating degree days
695
Cooling degree days
0

La Junta in December

Highs average 46°8° and lows 18°−8°, with 0.26 in6.6 mm of precipitation in a typical December.

Record high
81°27° (1980)
Record low
−21°−29° (1989)
Heating degree days
1013
Cooling degree days
0

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