Blanca, CO

Climate overview — based on NOAA 1991-2020 normals from BLANCA 4 NW, CO US.

BSk Semi-arid (cold) climate 5b USDA hardiness Zone 5b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Blanca has an annual average temperature of 43.5°F with about 9.8 inches of precipitation per year. The warmest month is July (average high 82.7°F), and the coldest is January (average low 3.8°F). August is typically the wettest month (1.69 in) and December the driest (0.21 in).

Annual swing
45.4°F
warmest to coldest month
Heating need
7,755
Cooling need
18

Best time to visit Blanca

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Blanca's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1900s
3
1910s
24
1920s
14
1930s
0
1940s
0
1950s
0
1960s
65
1970s
36
1980s
72
1990s
40
2000s
112
2010s
0

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 36.5°F 3.8°F 20.2°F 0.37 in 4
February 41.7°F 10.1°F 25.9°F 0.39 in 3
March 51.6°F 20.3°F 36.0°F 0.69 in 5
April 59.3°F 26.4°F 42.8°F 0.54 in 5
May 68.4°F 35.2°F 51.8°F 1.09 in 6
June 78.3°F 44.3°F 61.3°F 0.69 in 5
July 82.7°F 48.6°F 65.6°F 1.68 in 8
August 80.1°F 47.2°F 63.7°F 1.69 in 10
September 74.5°F 39.3°F 56.9°F 1.14 in 6
October 62.6°F 27.9°F 45.3°F 0.75 in 5
November 49.1°F 14.8°F 32.0°F 0.54 in 4
December 36.0°F 5.2°F 20.6°F 0.21 in 3

Climate twins of Blanca

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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