Blanca weather by month
What a typical year looks like in Blanca, 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 Blanca, 7 km from Blanca, over its available record (1997–2026) — not an NCEI normal; records cover 1997–2026.
The year at a glance
- Precipitation a year
- 4.2 in107 mm
- Snow a year
- Rare
- Last spring freeze
- May 25
- First fall freeze
- Sep 24
- 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 −10°−23° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
Blanca in January
Highs average 36°2° and lows 5°−15°, with — of precipitation in a typical January.
- Record high
- 61°16° (2000)
- Record low
- −26°−32° (2013)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in February
Highs average 42°6° and lows 12°−11°, with — of precipitation in a typical February.
- Record high
- 73°23° (2025)
- Record low
- −25°−32° (2004)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in March
Highs average 53°12° and lows 21°−6°, with — of precipitation in a typical March.
- Record high
- 81°27° (2026)
- Record low
- −9°−23° (2002)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in April
Highs average 59°15° and lows 28°−2°, with — of precipitation in a typical April.
- Record high
- 77°25° (2000)
- Record low
- 1°−17° (2023)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in May
Highs average 69°21° and lows 37°3°, with 0.6 in15 mm of precipitation in a typical May.
- Record high
- 90°32° (2002)
- Record low
- 14°−10° (2008)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in June
Highs average 80°27° and lows 45°7°, with 0.6 in15 mm of precipitation in a typical June.
- Record high
- 93°34° (2015)
- Record low
- 28°−2° (2001)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in July
Highs average 83°28° and lows 50°10°, with 1.1 in28 mm of precipitation in a typical July.
- Record high
- 93°34° (2003)
- Record low
- 38°3° (1997)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in August
Highs average 81°27° and lows 49°9°, with 1 in25 mm of precipitation in a typical August.
- Record high
- 94°34° (2026)
- Record low
- 36°2° (2001)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in September
Highs average 75°24° and lows 42°5°, with 0.9 in23 mm of precipitation in a typical September.
- Record high
- 88°31° (2023)
- Record low
- 23°−5° (2000)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in OctoberThis month
Highs average 63°17° and lows 30°−1°, with — of precipitation in a typical October.
- Record high
- 80°27° (2000)
- Record low
- 7°−14° (2007)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in November
Highs average 49°9° and lows 17°−8°, with — of precipitation in a typical November.
- Record high
- 72°22° (2025)
- Record low
- −11°−24° (2013)
- Heating degree days
- —
- Cooling degree days
- —
Blanca in December
Highs average 39°4° and lows 8°−13°, with — of precipitation in a typical December.
- Record high
- 62°17° (2025)
- Record low
- −21°−29° (2012)
- Heating degree days
- —
- Cooling degree days
- —
Blanca 4 NW station, 1909–2010: records and averages
This station is no longer reporting, but its 1909–2010 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 35°2°, low 2°−17°, 0.3 in7.6 mm precipitation.
Record high 61°16° (1971); record low −38°−39° (1963).
February
Average high 41°5°, low 9°−13°, 0.3 in7.6 mm precipitation.
Record high 66°19° (1914); record low −24°−31° (1989).
March
Average high 49°10°, low 18°−8°, 0.5 in13 mm precipitation.
Record high 72°22° (1997); record low −14°−26° (1929).
April
Average high 58°15°, low 25°−4°, 0.7 in18 mm precipitation.
Record high 80°27° (1981); record low 0°−18° (1928).
May
Average high 68°20°, low 34°1°, 0.9 in23 mm precipitation.
Record high 89°32° (2002); record low 2°−17° (2008).
June
Average high 77°25°, low 42°5°, 0.7 in18 mm precipitation.
Record high 97°36° (1961); record low 20°−7° (2008).
July
Average high 82°28°, low 47°8°, 1.6 in41 mm precipitation.
Record high 97°36° (1964); record low 29°−2° (2004).
August
Average high 79°26°, low 46°8°, 1.5 in38 mm precipitation.
Record high 94°34° (2008); record low 29°−2° (1964).
September
Average high 73°23°, low 38°3°, 0.9 in23 mm precipitation.
Record high 92°33° (2007); record low 16°−9° (1970).
October
Average high 62°17°, low 27°−3°, 0.7 in18 mm precipitation.
Record high 80°27° (1910); record low −4°−20° (1975).
November
Average high 48°9°, low 15°−10°, 0.4 in10 mm precipitation.
Record high 71°22° (1926); record low −19°−28° (1929).
December
Average high 36°2°, low 4°−16°, 0.3 in7.6 mm precipitation.
Record high 60°16° (1910); record low −34°−37° (1961).
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