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Montana temperatures in May

Montana is a region in the United States of America. May in has maximum daytime temperatures ranging from moderate in Big Sky with 13°C to pleasant temperatures in Hardin with 22°C. Nighttime temperatures generally drop to 6°C in Hardin and -1°C in Big Sky.

What is the temperature of the different cities in Montana in May?

Curious about the May temperatures in the prime spots of Montana? Navigate the map below and tap on a destination dot for more detailed stats.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in May in Montana?
  • Based on our systematic data collection, Hardin has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 22°C, while at night is goes down to an approximate temperature of 6°C."

  • What is the coldest city in May in Montana?
  • Our database indicates that in May, Big Sky is the city with the coolest temperatures in Montana. You can expect daytime highs of 13°C and nighttime lows close to -1°C.

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