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 brings an average high-temperature of a still moderately hot 79.7°F (26.5°C), exhibiting minor difference from the previous month. During August, Jamestown experiences an average low-temperature of 62.8°F (17.1°C) at night.Humidity
In August, the average relative humidity is 82%.Rainfall
In Jamestown, Indiana, in August, during 16.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 164.1 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 42min.On the first day of August, sunrise is at 6:45 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 8:19 pm EDT.
Sunshine
The average sunshine in August is 9.2h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 in August translates into this advice:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are August temperatures in Jamestown?
What is the average humidity in August in Jamestown?
How many days does it rain in August in Jamestown?
When it does not snow in Jamestown?
How many hours of daylight does Jamestown have in August?
When are sunrise and sunset in August in Jamestown?
How long on average sun shines in August in Jamestown?
When is the highest UV index in Jamestown?
What is the UV index reading in August in Jamestown?
Average temperature in August
Jamestown, IN
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in August
Jamestown, IN
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Jamestown, IN
- Average wind speed in August: 6.2mph
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 (6.2mph).
Average humidity in August
Jamestown, IN
- Average humidity in August: 82%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Jamestown, IN
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is April (3.86").
The driest months (with the least rainfall) are February and November (1.85").
Average rainfall days in August
Jamestown, IN
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in August
Jamestown, IN
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Jamestown, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Jamestown, IN
- 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: 9h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Jamestown, IN
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in August
Jamestown, IN
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Jamestown, IN
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Jamestown, IN
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Jamestown, Indiana, USA
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