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Seibert weather by month

What a typical year looks like in Seibert, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Seibert, 21 km from Seibert, over its available record (2015–2026) — not an NCEI normal; records cover 2015–2026.

Today’s Seibert forecast

The year at a glance

January: typical high 43.7°F, low 14.5°F, precipitation null in. February: typical high 46°F, low 15.5°F, precipitation null in. March: typical high 56.8°F, low 24.6°F, precipitation null in. April: typical high 64°F, low 31.3°F, precipitation null in. May: typical high 70.9°F, low 42.3°F, precipitation 3.4 in. June: typical high 85.1°F, low 53.6°F, precipitation 2.1 in. July: typical high 90.2°F, low 58.5°F, precipitation 2.9 in. August: typical high 88°F, low 57.1°F, precipitation 2.1 in. September: typical high 82.3°F, low 50.2°F, precipitation 1.2 in. October: typical high 67.7°F, low 34.9°F, precipitation null in. November: typical high 54.7°F, low 23.9°F, precipitation null in. December: typical high 47.1°F, low 17°F, precipitation null in.−30°−34°−10°−23°10°−12°30°−1°50°10°70°21°90°32°110°43°44°7°15°−10°Jan46°8°16°−9°Feb57°14°25°−4°Mar64°18°31°0°Apr71°22°42°6°May85°30°54°12°Jun90°32°59°15°Jul88°31°57°14°Aug82°28°50°10°Sep68°20°35°2°Oct55°13°24°−5°Nov47°8°17°−8°DecPrecipitation
Bars: typical low to high (computed, 2015–2026) Record high Record low
Precipitation a year
11.7 in297 mm
Snow a year
Rare
Last spring freeze
May 11
First fall freeze
Oct 6
Heating degree days
—
Cooling degree days
—

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 99°37° (cooling, 1%).

Month by month

Seibert in January

Highs average 44°7° and lows 15°−10°, with — of precipitation in a typical January.

Record high
74°23° (2018)
Record low
−24°−31° (2024)
Heating degree days
—
Cooling degree days
—

Seibert in February

Highs average 46°8° and lows 16°−9°, with — of precipitation in a typical February.

Record high
82°28° (2017)
Record low
−25°−32° (2021)
Heating degree days
—
Cooling degree days
—

Seibert in March

Highs average 57°14° and lows 25°−4°, with — of precipitation in a typical March.

Record high
89°32° (2026)
Record low
−9°−23° (2019)
Heating degree days
—
Cooling degree days
—

Seibert in April

Highs average 64°18° and lows 31°0°, with — of precipitation in a typical April.

Record high
88°31° (2022)
Record low
8°−13° (2020)
Heating degree days
—
Cooling degree days
—

Seibert in May

Highs average 71°22° and lows 42°6°, with 3.4 in86 mm of precipitation in a typical May.

Record high
92°33° (2018)
Record low
22°−6° (2022)
Heating degree days
—
Cooling degree days
—

Seibert in June

Highs average 85°30° and lows 54°12°, with 2.1 in53 mm of precipitation in a typical June.

Record high
102°39° (2016)
Record low
35°2° (2019)
Heating degree days
—
Cooling degree days
—

Seibert in July

Highs average 90°32° and lows 59°15°, with 2.9 in74 mm of precipitation in a typical July.

Record high
109°43° (2026)
Record low
46°8° (2018)
Heating degree days
—
Cooling degree days
—

Seibert in August

Highs average 88°31° and lows 57°14°, with 2.1 in53 mm of precipitation in a typical August.

Record high
102°39° (2025)
Record low
42°6° (2015)
Heating degree days
—
Cooling degree days
—

Seibert in September

Highs average 82°28° and lows 50°10°, with 1.2 in30 mm of precipitation in a typical September.

Record high
100°38° (2020)
Record low
28°−2° (2020)
Heating degree days
—
Cooling degree days
—

Seibert in OctoberThis month

Highs average 68°20° and lows 35°2°, with — of precipitation in a typical October.

Record high
93°34° (2024)
Record low
−2°−19° (2020)
Heating degree days
—
Cooling degree days
—

Seibert in November

Highs average 55°13° and lows 24°−5°, with — of precipitation in a typical November.

Record high
82°28° (2025)
Record low
−2°−19° (2019)
Heating degree days
—
Cooling degree days
—

Seibert in December

Highs average 47°8° and lows 17°−8°, with — of precipitation in a typical December.

Record high
76°24° (2025)
Record low
−19°−28° (2016)
Heating degree days
—
Cooling degree days
—

Flagler 1s station, 1919–2025: records and averages

This station is no longer reporting, but its 1919–2025 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.

January

Average high 43°6°, low 14°−10°, 0.3 in7.6 mm precipitation.

Record high 78°26° (1997); record low −29°−34° (1984).

February

Average high 46°8°, low 17°−8°, 0.3 in7.6 mm precipitation.

Record high 80°27° (2017); record low −25°−32° (1982).

March

Average high 54°12°, low 23°−5°, 0.9 in23 mm precipitation.

Record high 84°29° (1963); record low −20°−29° (1960).

April

Average high 63°17°, low 32°0°, 1.4 in36 mm precipitation.

Record high 90°32° (1989); record low −4°−20° (1920).

May

Average high 72°22°, low 42°6°, 2.4 in61 mm precipitation.

Record high 99°37° (2000); record low 20°−7° (1993).

June

Average high 83°28°, low 52°11°, 2.6 in66 mm precipitation.

Record high 107°42° (2012); record low 30°−1° (2007).

July

Average high 89°31°, low 58°14°, 2.9 in74 mm precipitation.

Record high 104°40° (1969); record low 37°3° (1994).

August

Average high 86°30°, low 56°13°, 2.5 in64 mm precipitation.

Record high 104°40° (2020); record low 33°1° (1993).

September

Average high 79°26°, low 47°8°, 1.3 in33 mm precipitation.

Record high 99°37° (1971); record low 21°−6° (1983).

October

Average high 67°19°, low 35°1°, 0.9 in23 mm precipitation.

Record high 93°34° (2003); record low −6°−21° (1993).

November

Average high 53°12°, low 23°−5°, 0.5 in13 mm precipitation.

Record high 81°27° (1967); record low −15°−26° (1976).

December

Average high 43°6°, low 15°−9°, 0.4 in10 mm precipitation.

Record high 76°24° (1964); record low −29°−34° (1990).

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