Lone Tree, CO

Climate overview — based on NOAA 1991-2020 normals from DENVER CENTENNIAL AP, CO US.

BSk Semi-arid (cold) climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Lone Tree has an annual average temperature of 50.2°F with about 15 inches of precipitation per year. The warmest month is July (average high 87.3°F), and the coldest is December (average low 18.8°F). August is typically the wettest month (2.25 in) and December the driest (0.35 in).

Annual swing
41.5°F
warmest to coldest month
Heating need
5,805
Cooling need
462

Best time to visit Lone Tree

Full guide →

Climate change signal

All-time records →

172 of 366 (47%) of Lone Tree'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.

1990s
19
2000s
125
2010s
123
2020s
99

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 44.6°F 19.0°F 31.8°F 0.41 in 4
February 45.7°F 20.3°F 33.0°F 0.43 in 6
March 54.3°F 27.3°F 40.8°F 1.04 in 7
April 59.8°F 33.7°F 46.7°F 1.94 in 10
May 68.7°F 42.7°F 55.7°F 2.04 in 10
June 81.2°F 52.2°F 66.7°F 1.98 in 8
July 87.3°F 58.6°F 72.9°F 1.76 in 10
August 84.5°F 57.0°F 70.8°F 2.25 in 10
September 77.1°F 48.6°F 62.8°F 1.29 in 6
October 63.9°F 36.1°F 50.0°F 1.00 in 6
November 52.4°F 26.2°F 39.3°F 0.53 in 4
December 44.0°F 18.8°F 31.4°F 0.35 in 4

Climate twins of Lone Tree

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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