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
Welcoming August, Grand Lake notes an average high-temperature of a still pleasant 70.7°F (21.5°C), nearly consistent with July's 72.1°F (22.3°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at an icy 40.8°F (4.9°C) in August.Humidity
In August, the average relative humidity is 52%.Rainfall
In Grand Lake, during August, the rain falls for 9.2 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Grand Lake, during the entire year, the rain falls for 82.5 days and collects up to 8.19" (208mm) of precipitation.Snowfall
July and August are months without snowfall.Daylight
The average length of the day in August is 13h and 43min.On the first day of August, sunrise is at 6:01 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:36 pm MDT.
Sunshine
The month with the most sunshine is August, with an average of 11.8h of 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 moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, a daily maximum UV index of 4 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Grand Lake have in August?
When is the sunrise / sunset in August?
What month has the most sunshine?
How many hours of sunshine does Grand Lake have in August?
When is the highest UV index in Grand Lake?
What is the UV index reading in August?
Average temperature in August
Grand Lake, CO
- Average high temperature in August: 70.7°F
The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is December (23.4°F).
- Average low temperature in August: 40.8°F
The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).
Average pressure in August
Grand Lake, CO
- Average pressure in August: 30.03"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in August
Grand Lake, CO
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in August
Grand Lake, CO
- Average humidity in August: 52%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).
Average rainfall in August
Grand Lake, CO
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are September, November and December (0.39").
Average rainfall days in August
Grand Lake, CO
- Average rainfall days in August: 9.2 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in August
Grand Lake, CO
- Average snowfall in August: 0"
The month with the highest snowfall is April (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Grand Lake, CO
- Average snowfall days in August: 0.1 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in August /
Average sunshine in August
Grand Lake, 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 month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in August
Grand Lake, CO
- Average sunshine days in August: 17 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in August
Grand Lake, CO
- Average UV index in August: 4
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Grand Lake, CO
- Average cloud cover in August: 16
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in August
Grand Lake, 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 and December (4mi).
Grand Lake, Colorado, USA
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