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 advent of August reveals an average high-temperature of a still warm 77.5°F (25.3°C), showing minimal difference from the prior month. During August nights, Grand Junction witnesses a consistent average temperature of 62.2°F (16.8°C).Humidity
In August, the average relative humidity is 79%.Rainfall
In Grand Junction, in August, during 15.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 157.3 rainfall days, and 30.04" (763mm) of precipitation is accumulated.Snowfall
In Grand Junction, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 51min.On the first day of August, sunrise is at 6:37 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:19 pm EDT.
Sunshine
In Grand Junction, the average sunshine in August is 9.9h.UV index
The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during August leads to these advisories:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Grand Junction have in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What are the months with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Grand Junction, MI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in August
Grand Junction, MI
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Grand Junction, MI
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in August
Grand Junction, MI
- Average humidity in August: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Grand Junction, MI
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in August
Grand Junction, MI
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in August
Grand Junction, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grand Junction, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grand Junction, MI
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in August
Grand Junction, MI
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is March (14.7 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in August
Grand Junction, MI
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Grand Junction, MI
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Grand Junction, MI
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grand Junction, Michigan, USA
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