August weather forecast
Jefferson, OH

Share

Weather in August

August, the last month of the summer in Jefferson, is another warm month, with an average temperature fluctuating between 63.9°F (17.7°C) and 75.9°F (24.4°C).

Temperature

The beginning of August records an average high-temperature of a still warm 75.9°F (24.4°C), marking a negligible difference from July's 77°F (25°C). Throughout the nights in August, an average low-temperature of 63.9°F (17.7°C) is noted.

Humidity

July through September, with an average relative humidity of 78%, are the least humid months.

Rainfall

In Jefferson, in August, it is raining for 18.8 days, with typically 3.07" (78mm) of accumulated precipitation. In Jefferson, during the entire year, the rain falls for 181 days and collects up to 36.34" (923mm) of precipitation.

Snowfall

In Jefferson, Ohio, snow does not fall in June through September.

Daylight

In Jefferson, Ohio, the average length of the day in August is 13h and 49min.
On the first day of August in Jefferson, sunrise is at 6:18 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:57 pm EDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Jefferson in August?

The average high-temperature, in August, in Jefferson, is 75.9°F (24.4°C), while the average low-temperature is 63.9°F (17.7°C).

What are the least humid months in Jefferson?

The months with the lowest humidity in Jefferson, Ohio, are July through September, with an average relative humidity of 78%.

What is the average humidity in August in Jefferson?

In August, the average relative humidity in Jefferson, Ohio, is 78%.

How much does it rain in Jefferson in August?

In Jefferson, Ohio, in August, it is raining for 18.8 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow in Jefferson?

In Jefferson, snow does not fall in June through September.

How many hours of daylight does Jefferson have in August?

The average day length in August is 13h and 49min.

When are sunrise and sunset in August in Jefferson?

In August, on the first day of the month, sunrise is at 6:18 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:57 pm EDT.

How long on average sun shines in August in Jefferson?

In Jefferson, Ohio, the average sunshine duration in August is 10.5h.

What is the UV index reading in August in Jefferson?

The average daily maximum UV index in August in Jefferson is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Jefferson, OH

Average temperature in August - Jefferson, OH
  • Average high temperature in August: 75.9°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in August
Jefferson, OH

Average pressure in August - Jefferson, OH
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Jefferson, OH

Average wind speed in August - Jefferson, OH
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in August
Jefferson, OH

Average humidity in August - Jefferson, OH
  • Average humidity in August: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July, August and September (78%).

Average rainfall in August
Jefferson, OH

Average rainfall in August - Jefferson, OH
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is June (3.94").
The driest months (with the least rainfall) are February and November (2.4").

Average rainfall days in August
Jefferson, OH

Average rainfall days in August - Jefferson, OH
  • Average rainfall days in August: 18.8 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in August
Jefferson, OH

Average snowfall in August - Jefferson, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is January (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Jefferson, OH

Average snowfall days in August - Jefferson, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Jefferson, OH

Average daylight in August / Average sunshine in August - Jefferson, OH
  • 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 12min).

  • Average sunshine in August: 10h and 3min

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 30min).

Average sunshine days in August
Jefferson, OH

Average sunshine days in August - Jefferson, OH
  • Average sunshine days in August: 9.8 days

The month with the most sunshine days is September (11 days).
The month with the least sunshine days is January (5.9 days).

Average UV index in August
Jefferson, OH

Average UV index in August - Jefferson, OH
  • 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 December (UV index 1).

Average cloud cover in August
Jefferson, OH

Average cloud cover in August - Jefferson, OH
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in August
Jefferson, OH

Average visibility in August - Jefferson, OH
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Jefferson, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location