Lengby, MN

Climate overview — based on NOAA 1991-2020 normals from FOSSTON 1 E, MN US.

Dfb Warm-summer humid continental climate 4b USDA hardiness Zone 4b

Year-round temperatures (°F)

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

Climate summary

Lengby has an annual average temperature of 38.8°F with about 26.5 inches of precipitation per year. The warmest month is July (average high 78.2°F), and the coldest is January (average low -5.2°F). June is typically the wettest month (4.64 in) and January the driest (0.52 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
61.4°F
warmest to coldest month
Heating need
9,471
Cooling need
54

Best time to visit Lengby

Full guide →

Climate change signal

All-time records →

2 of 366 (0.5%) of Lengby'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
1
1910s
35
1920s
38
1930s
71
1940s
27
1950s
40
1960s
29
1970s
34
1980s
27
1990s
31
2000s
31
2010s
2
2020s
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 15.9°F -5.2°F 5.4°F 0.52 in
February 21.2°F -1.6°F 9.8°F 0.54 in
March 34.8°F 12.9°F 23.9°F 0.95 in
April 51.3°F 27.9°F 39.6°F 1.76 in
May 65.5°F 41.1°F 53.3°F 3.01 in
June 74.3°F 51.8°F 63.1°F 4.64 in
July 78.2°F 55.4°F 66.8°F 3.93 in
August 77.4°F 52.5°F 64.9°F 3.54 in
September 68.8°F 44.5°F 56.6°F 2.97 in
October 53.2°F 32.4°F 42.8°F 2.25 in
November 35.9°F 17.9°F 26.9°F 1.61 in
December 22.1°F 4.0°F 13.0°F 0.83 in

Climate twins of Lengby

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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