May weather forecast and climate
Granby, CO

What is the temperature in May in Granby?

In May, in Granby, the average high-temperature is 59°F (15°C), and the average low-temperature is 28.9°F (-1.7°C).

How much does it rain in Granby in May?

During May, Granby regularly aggregates up to 1.3" (33mm) of precipitation.
Average temperature in May - Granby, CO
  • Average high temperature in May: 59°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in May: 29°F

The month with the highest average low temperature is July (41°F).
Coldest months (with the lowest average low temperature) are January and February (1°F).

Average rainfall in May - Granby, CO
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is August (1.7").
Driest months (with the lowest rainfall) are February and October (0.8").

Average daylight in May - Granby, CO
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

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