McLean, NE

Climate overview — based on NOAA 1991-2020 normals from OSMOND, NE US.

Dfa Hot-summer humid continental climate 6a USDA hardiness Zone 6a

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

McLean has an annual average temperature of 48.1°F with about 27.5 inches of precipitation per year. The warmest month is July (average high 86.3°F), and the coldest is January (average low 9.9°F). June is typically the wettest month (4.02 in) and January the driest (0.58 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
54.3°F
warmest to coldest month
Heating need
6,738
Cooling need
642

Best time to visit McLean

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of McLean'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.

1920s
0
1930s
0
1940s
68
1950s
57
1960s
53
1970s
35
1980s
72
1990s
43
2000s
38

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 30.7°F 9.9°F 20.3°F 0.58 in 4
February 35.5°F 13.1°F 24.3°F 0.72 in 4
March 48.2°F 23.6°F 35.9°F 1.58 in 6
April 60.3°F 34.9°F 47.6°F 2.69 in 7
May 71.9°F 47.8°F 59.8°F 3.98 in 10
June 81.2°F 58.8°F 70.0°F 4.02 in 9
July 86.3°F 62.9°F 74.6°F 3.21 in 7
August 83.5°F 60.1°F 71.8°F 3.23 in 7
September 76.6°F 50.8°F 63.7°F 3.18 in 6
October 63.5°F 37.1°F 50.3°F 2.41 in 5
November 46.7°F 23.1°F 34.9°F 1.11 in 4
December 33.8°F 13.3°F 23.6°F 0.82 in 4

Climate twins of McLean

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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