Boulder
Montana, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Boulder, MT

The last month of the spring, Mayo, is a comfortable month in Boulder, Montana, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 35.1°F (1.7°C).

Temperature

In Mayo, the average high-temperature increases, from a cool 55°F (12.8°C) in Abril, to an enjoyable 64°F (17.8°C). The average low-temperature, in Boulder, Montana, is 35.1°F (1.7°C).

Rainfall

In Boulder, 1.8" (45.7mm) of precipitation is typically accumulated. During the entire year, Boulder aggregates up to 11.3" (286.9mm) of precipitation.

Daylight

In Boulder, the average length of the day in Mayo is 15h.

What is the temperature in Mayo in Boulder?

In Mayo, the average high-temperature is 64°F (17.8°C), and the average low-temperature is 35.1°F (1.7°C).

How much does it rain in Boulder in Mayo?

In Boulder, Montana, in Mayo, 1.8" (45.7mm) of precipitation is typically accumulated.

What is the average length of the day in Mayo in Boulder?

The average length of the day in Mayo in Boulder, Montana, is 15h.
Average temperature in May - Boulder, MT
  • Average high temperature in May: 64°F

Warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is January (33°F).

  • Average low temperature in May: 35°F

The month with the highest average low temperature is July (48°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average rainfall in May - Boulder, MT
  • Average rainfall in May: 1.8"

The wettest month (with the highest rainfall) is June (2.1").
The driest month (with the lowest rainfall) is February (0.3").

Average daylight in May - Boulder, MT
  • Average daylight in May: 15h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).