August weather forecast
Rocky Hill, OH

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Weather in August

The last month of the summer, August, is another warm month in Rocky Hill, Ohio, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 84.7°F (29.3°C).

Temperature

In August, Rocky Hill experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 86.2°F (30.1°C) in July to a moderately hot 84.7°F (29.3°C). Rocky Hill's temperature exhibits a stark contrast from daytime to nighttime, averaging lows of 62.4°F (16.9°C) in August.

Heat index

The heat index in August is calculated to be a tropical 93.2°F (34°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

August and September, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Rocky Hill, in August, it is raining for 11 days, with typically 1.1" (28mm) of accumulated precipitation. In Rocky Hill, during the entire year, the rain falls for 124.7 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:58 am and sunset at 8:01 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Rocky Hill, in August, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 62.4°F (16.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the least humid month?

The months with the lowest humidity are August and September, with an average relative humidity of 75%.

What is the average humidity in August?

In Rocky Hill, the average relative humidity in August is 75%.

How many days does it rain in August in Rocky Hill?

In Rocky Hill, in August, it is raining for 11 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow?

In Rocky Hill, snow does not fall in May through September.

What is the average length of the day in August?

In Rocky Hill, the average day length in August is 13h and 38min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:31 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:01 pm EDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.4h of sunshine.

How many hours of sunshine does Rocky Hill have in August?

The average sunshine duration in August is 10.4h.

When is the highest UV index?

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

What is the UV index reading in August in Rocky Hill?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Rocky Hill, OH

Average temperature in August - Rocky Hill, OH
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 62.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in August
Rocky Hill, OH

Average pressure in August - Rocky Hill, OH
  • Average pressure in August: 30"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Rocky Hill, OH

Average wind speed in August - Rocky Hill, OH
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in August
Rocky Hill, OH

Average humidity in August - Rocky Hill, OH
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in August
Rocky Hill, OH

Average rainfall in August - Rocky Hill, OH
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is May (1.57").
The driest months (with the least rainfall) are September and November (0.75").

Average rainfall days in August
Rocky Hill, OH

Average rainfall days in August - Rocky Hill, OH
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in August
Rocky Hill, OH

Average snowfall in August - Rocky Hill, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Rocky Hill, OH

Average snowfall days in August - Rocky Hill, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Rocky Hill, OH

Average daylight in August / Average sunshine in August - Rocky Hill, OH
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in August
Rocky Hill, OH

Average sunshine days in August - Rocky Hill, OH
  • Average sunshine days in August: 18 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is May (13.3 days).

Average UV index in August
Rocky Hill, OH

Average UV index in August - Rocky Hill, OH
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Rocky Hill, OH

Average cloud cover in August - Rocky Hill, OH
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Rocky Hill, OH

Average visibility in August - Rocky Hill, OH
  • Average visibility in August: 5mi

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

Rocky Hill, Ohio, USA

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