Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The onset of August in Granby notes an average high-temperature of a still agreeable 71.2°F, subtly shifted from July's 72.3°F. Granby's daily high temperature significantly diverges from the consistently recorded temperature low averaging a wintry 42.1°F in August.Humidity
In August, the average relative humidity in Granby is 52%.Rainfall
The month with the least rainfall in Granby is August, when the rain falls for 8.8 days and typically collects 0.55" of precipitation.Snowfall
January through June, August through December are months with snowfall in Granby. August is the first month it typically snows. Throughout August, in the average 0.2 snowfall days, it receives 0.04" of snow. Throughout the year, in Granby, there are 110.7 snowfall days, and 59.88" of snow is accumulated.Daylight
In Granby, the average length of the day in August is 13h and 42min.On the first day of August in Granby, sunrise is at 6:02 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:37 pm MDT.
Sunshine
July and August, with an average of 11.8h of sunshine, are months with the most sunshine.UV index
June through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during August leads to these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
FAQ
What is the average August temperature in Granby?
What is the average humidity in August in Granby?
What is the driest month in Granby?
How many days does it rain in August in Granby?
When does it start to snow in Granby?
How many hours of daylight does Granby have in August?
When are sunrise and sunset in August in Granby?
What is the month with the most sunshine in Granby?
How many hours of sunshine does Granby have in August?
What are the months with the highest UV index in Granby?
What is the UV index intensity in August in Granby?
Average temperature in August
Granby, CO
- Average high temperature in August: 71.2°F
The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (24.6°F).
- Average low temperature in August: 42.1°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in August
Granby, CO
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in August
Granby, CO
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Granby, CO
- Average humidity in August: 52%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).
Average rainfall in August
Granby, CO
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in August
Granby, CO
- Average rainfall days in August: 8.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).
Average snowfall in August
Granby, CO
- Average snowfall in August: 0.04"
The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").
Average snowfall days in August
Granby, CO
- Average snowfall days in August: 0.2 days
The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in August /
Average sunshine in August
Granby, CO
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in August
Granby, CO
- Average sunshine days in August: 16.9 days
The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in August
Granby, CO
- Average UV index in August: 4
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Granby, CO
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in August
Granby, CO
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Granby, Colorado, USA
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