August weather forecastHartford, WI
August
Weather in August
August, the last month of the summer in Hartford, is another warm month, with an average temperature varying between 59.9°F (15.5°C) and 76.6°F (24.8°C).Temperature
As July transitions into August, Hartford records an average high-temperature of a still moderately hot 76.6°F (24.8°C), showing a gentle shift from the preceding month. During the nights in August, the temperature averages to a refreshing 59.9°F (15.5°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In Hartford, in August, it is raining for 15.9 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 141.6 rainfall days, and 25.67" (652mm) of precipitation is accumulated.Snowfall
In Hartford, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 55min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:29 pm CDT.
Sunshine
The average sunshine in August is 10h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in August translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hartford, WI
- Average high temperature in August: 76.6°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 (23.9°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in August
Hartford, WI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Hartford, WI
- Average wind speed in August: 6.8mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Hartford, WI
- Average humidity in August: 82%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Hartford, WI
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are February and December (1.18").
Average rainfall days in August
Hartford, WI
- Average rainfall days in August: 15.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Hartford, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hartford, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hartford, WI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Hartford, WI
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in August
Hartford, WI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Hartford, WI
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in August
Hartford, WI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
