August weather forecastHarvard, ID
August
Weather in August
August, the last month of the summer in Harvard, is another warm month, with an average temperature varying between 58.1°F (14.5°C) and 83.7°F (28.7°C).Temperature
Harvard's August weather, with an average high temperature of 83.7°F (28.7°C) and an average low temperature of 58.1°F (14.5°C), tends to be the warmest of the year.Heat index
In August, the average heat index is estimated at 82.4°F (28°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
August is the least humid month, with an average relative humidity of 40%.Rainfall
July and August are months with the least rain when the rain falls for 5.9 days and typically aggregates up to 0.47" (12mm) of rain.Snowfall
June through August are months without snowfall in Harvard.Daylight
In August, the average length of the day in Harvard is 14h and 9min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:06 am and sunset at 7:27 pm PDT.
Sunshine
The month with the most sunshine in Harvard is August, with an average of 12h of sunshine.UV index
In August, the average daily maximum UV index in Harvard, Idaho, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in August leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harvard, ID
- Average high temperature in August: 83.7°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in August: 58.1°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in August
Harvard, ID
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Harvard, ID
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in August
Harvard, ID
- Average humidity in August: 40%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Harvard, ID
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in August
Harvard, ID
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in August
Harvard, ID
- Average snowfall in August: 0"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Harvard, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Harvard, ID
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in August
Harvard, ID
- Average sunshine days in August: 21.6 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in August
Harvard, ID
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Harvard, ID
- Average cloud cover in August: 12
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Harvard, ID
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).





