August weather forecast and climate
Granby, CO

What is the temperature in August in Granby?

In August, in Granby, Colorado, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 39.9°F (4.4°C).

How much does it rain in Granby in August?

During August, Granby regularly aggregates up to 1.7" (43.2mm) of precipitation.

What is the rainiest month in Granby?

The month with the most rainfall is August when 1.7" (43.2mm) of precipitation is typically aggregated.
Average temperature in August - Granby, CO
  • Average high temperature in August: 73°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 August: 40°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 August - Granby, CO
  • Average rainfall in August: 1.7"

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 August - Granby, CO
  • Average daylight in August: 13.7h

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