August weather forecast and climate
Hartwell, OH

The last month of the summer, August, is also a moderately hot month in Hartwell, Ohio, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 64.8°F (18.2°C).

Temperature

In Hartwell, the average high-temperature is essentially the same as in July - a still moderately hot 83.1°F (28.4°C). In August, the average low-temperature is 64.8°F (18.2°C).

Heat index

In August, the average heat index is appraised at a tropical 89.8°F (32.1°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

Months with the lowest humidity in Hartwell, Ohio, are August through October, with an average relative humidity of 74%.

Rainfall

In August, in Hartwell, the rain falls for 10.8 days. Throughout August, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Hartwell, there are 121.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Hartwell.

Daylight

The average length of the day in August is 13.6h.

Sunshine

In August, the average sunshine in Hartwell, Ohio, is 10.2h.

UV index

May 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 threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Hartwell?

The average high-temperature, in August, in Hartwell, is 83.1°F (28.4°C), while the average low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in August is calculated to 89.8°F (32.1°C).

What are the least humid months in Hartwell?

Months with the lowest humidity in Hartwell, Ohio, are August through October, with an average relative humidity of 74%.

What is the average humidity in August in Hartwell?

The average relative humidity in August is 74%.

How many days does it rain in August in Hartwell?

In Hartwell, Ohio, during August, the rain falls for 10.8 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in Hartwell?

May through October are months without snowfall in Hartwell.

How many hours of daylight does Hartwell have in August?

The average length of the day in August in Hartwell, Ohio, is 13.6h.

How long on average sun shines in August in Hartwell?

In August, the average sunshine in Hartwell is 10.2h.

When is the highest UV index in Hartwell?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August in Hartwell?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Hartwell, OH
  • Average high temperature in August: 28.4°C

The warmest month (with the highest average high temperature) is July (28.9°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in August: 18.2°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).

Average pressure in August - Hartwell, OH
  • Average pressure in August: 1015.5mbar

The month with the highest atmospheric pressure is January (1020.7mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed in August - Hartwell, OH
  • Average wind speed in August: 8.4km/h

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (8.4km/h).

Average humidity in August - Hartwell, OH
  • Average humidity in August: 74%

The month with the highest relative humidity is December (81%).
Months with the lowest relative humidity are August, September and October (74%).

Average rainfall in August - Hartwell, OH
  • Average rainfall in August: 23mm

The wettest month (with the highest rainfall) is May (36mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in August - Hartwell, OH
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in August - Hartwell, OH
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (24mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (6.1 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Hartwell, OH
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 10.2h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4h).

Average sunshine days in August - Hartwell, OH
  • Average sunshine days in August: 18.4 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).

Average UV index in August - Hartwell, OH
  • Average UV index in August: 6

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August - Hartwell, OH
  • Average cloud cover in August: 26

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in August - Hartwell, OH
  • Average visibility in August: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).