Climate almanac

Helena

Montana, US · 46.59°, -112.04°

+ Compare

What is the climate like in Helena?

Helena is warmest in July, when daily highs average 82°F (28°C), and coolest in February, when lows fall to about 12°F (-11°C). The wettest month is typically May and the driest is January; the year sees roughly 23 in of precipitation.

  • Warmest monthJuly — average high 82°F (28°C)
  • Coolest monthFebruary — average low 12°F (-11°C)
  • Wettest monthMay (3.5 in)
  • Driest monthJanuary (1.1 in)
  • Annual precipitation23 in