Manhattan, MT

Climate overview — based on NOAA 1991-2020 normals from LOGAN LANDFILL, MT US.

BSk Semi-arid (cold) 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

Manhattan has an annual average temperature of 42.7°F with about 15.5 inches of precipitation per year. The warmest month is July (average high 84.5°F), and the coldest is January (average low 9.5°F). June is typically the wettest month (2.84 in) and January the driest (0.39 in).

Annual swing
45.7°F
warmest to coldest month
Heating need
8,073
Cooling need
54

Best time to visit Manhattan

Full guide →

Climate change signal

All-time records →

253 of 366 (69.1%) of Manhattan'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.

2000s
28
2010s
163
2020s
175

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 32.6°F 9.5°F 21.1°F 0.39 in
February 37.0°F 13.1°F 25.0°F 0.44 in
March 45.9°F 21.0°F 33.5°F 1.00 in
April 54.9°F 28.6°F 41.7°F 1.58 in
May 64.2°F 36.2°F 50.2°F 2.68 in
June 73.0°F 43.8°F 58.4°F 2.84 in
July 84.5°F 49.1°F 66.8°F 1.32 in
August 83.1°F 46.3°F 64.7°F 1.20 in
September 72.9°F 38.9°F 55.9°F 1.38 in
October 57.8°F 28.4°F 43.1°F 1.23 in
November 42.2°F 18.7°F 30.5°F 0.83 in
December 32.3°F 11.3°F 21.8°F 0.62 in

Climate twins of Manhattan

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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