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
With the onset of August, a modest change to a still hot 89.4°F (31.9°C) from July's 91.2°F (32.9°C) is noted in high-temperature. Grasmere's nights during August are marked by a pronounced drop from daytime temperatures, experiencing an average low of 65.7°F (18.7°C).Humidity
In Grasmere, the average relative humidity in August is 26%.Rainfall
The month with the least rainfall in Grasmere is August, when the rain falls for 3.7 days and typically collects 0.2" (5mm) of precipitation.Snowfall
May through September are months without snowfall in Grasmere.Daylight
The average length of the day in August is 13h and 50min.On the first day of August in Grasmere, Idaho, sunrise is at 6:36 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 8:18 pm MDT.
Sunshine
In Grasmere, the average sunshine in August is 11.4h.UV index
In August, the average daily maximum UV index in Grasmere is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 6 in August leads to these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
How hot is it in Grasmere in August?
What is the average humidity in August in Grasmere?
What is the driest month in Grasmere?
How much does it rain in Grasmere in August?
When it does not snow in Grasmere?
How many hours of daylight does Grasmere have in August?
When is the sunrise / sunset in August in Grasmere?
How many hours of sunshine does Grasmere have in August?
How high is the UV index in August in Grasmere?
Average temperature in August
Grasmere, ID
- Average high temperature in August: 89.4°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (36.7°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in August
Grasmere, ID
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The months with the lowest atmospheric pressure are June and August (29.88"Hg).
Average wind speed in August
Grasmere, ID
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are January and September (6.5mph).
Average humidity in August
Grasmere, ID
- Average humidity in August: 26%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (25%).
Average rainfall in August
Grasmere, ID
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in August
Grasmere, ID
- Average rainfall days in August: 3.7 days
The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are July and August (3.7 days).
Average snowfall in August
Grasmere, ID
- Average snowfall in August: 0"
The month with the highest snowfall is December (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Grasmere, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grasmere, ID
- 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: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in August
Grasmere, ID
- Average sunshine days in August: 22.1 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in August
Grasmere, ID
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Grasmere, ID
- Average cloud cover in August: 8
The month with the most cloud cover is December (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in August
Grasmere, ID
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Grasmere, Idaho, USA
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