August weather forecast
Montchanin, DE

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Weather in August

The last month of the summer, August, is also a moderately hot month in Montchanin, Delaware, with an average temperature fluctuating between 66.7°F (19.3°C) and 82.9°F (28.3°C).

Temperature

Montchanin registers an average high-temperature of a still warm 82.9°F (28.3°C) at the commencement of August, closely related to the preceding month. In the month of August, the average temperature dips to a comfortable 66.7°F (19.3°C) during the night.

Heat index

The heat index value for August is appraised at a hot 89.6°F (32°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In Montchanin, the average relative humidity in August is 74%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of August, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

Sunshine

In Montchanin, the average sunshine in August is 10.1h.

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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Montchanin, in August, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 89.6°F (32°C).

What is the average humidity in August?

In Montchanin, the average relative humidity in August is 74%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.3 days and typically aggregates up to 4.09" (104mm) of precipitation.

How many days does it rain in August?

In Montchanin, Delaware, during August, the rain falls for 17.3 days and regularly aggregates up to 4.09" (104mm) of precipitation.

When it does not snow?

June through September are months without snowfall in Montchanin.

What is the average length of the day in August?

In August, the average day length is 13h and 41min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

How long on average sun shines in August in Montchanin?

The average sunshine duration in August is 10.1h.

What are the months with the highest UV index in Montchanin?

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

How high is the UV index in August in Montchanin?

In Montchanin, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
Montchanin, DE

Average temperature in August - Montchanin, DE
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in August
Montchanin, DE

Average pressure in August - Montchanin, DE
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Montchanin, DE

Average wind speed in August - Montchanin, DE
  • Average wind speed in August: 5.4mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Montchanin, DE

Average humidity in August - Montchanin, DE
  • Average humidity in August: 74%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in August
Montchanin, DE

Average rainfall in August - Montchanin, DE
  • Average rainfall in August: 4.09"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in August
Montchanin, DE

Average rainfall days in August - Montchanin, DE
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in August
Montchanin, DE

Average snowfall in August - Montchanin, DE
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Montchanin, DE

Average snowfall days in August - Montchanin, DE
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Montchanin, DE

Average daylight in August / Average sunshine in August - Montchanin, DE
  • 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 24min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Montchanin, DE

Average sunshine days in August - Montchanin, DE
  • Average sunshine days in August: 11 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

Average UV index in August
Montchanin, DE

Average UV index in August - Montchanin, DE
  • 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
Montchanin, DE

Average cloud cover in August - Montchanin, DE
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Montchanin, DE

Average visibility in August - Montchanin, DE
  • Average visibility in August: 6mi

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

Montchanin, Delaware, USA

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