August weather forecast
Winterthur, DE

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Weather in August

The last month of the summer, August, is another warm month in Winterthur, Delaware, with an average temperature varying between 82.9°F (28.3°C) and 66.7°F (19.3°C).

Temperature

August's arrival brings an average high-temperature of a still moderately hot 82.9°F (28.3°C), slightly deviating from July's 84.9°F (29.4°C). During August, Winterthur experiences an average low-temperature of 66.7°F (19.3°C) at night.

Heat index

For most parts of August, the heat index is evaluated at a tropical 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

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

Rainfall

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.

Snowfall

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

Daylight

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

Sunshine

The average sunshine in August in Winterthur, Delaware, is 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot is it in Winterthur in August?

An average high-temperature, in August, in Winterthur, 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 evaluated at 89.6°F (32°C).

What is the average humidity in August in Winterthur?

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

What is the rainiest month in Winterthur?

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

How much does it rain in Winterthur in August?

In Winterthur, Delaware, in August, it is raining for 17.3 days, with typically 4.09" (104mm) of accumulated precipitation.

When it does not snow in Winterthur?

June through September are months without snowfall in Winterthur, Delaware.

What is the average length of the day in August in Winterthur?

The average day length in August in Winterthur is 13h and 41min.

When is the sunrise / sunset in August in Winterthur?

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.

How many hours of sunshine does Winterthur have in August?

In Winterthur, the average sunshine duration in August is 10.1h.

When is the highest UV index in Winterthur?

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

How high is the UV index in August in Winterthur?

In Winterthur, Delaware, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe 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
Winterthur, DE

Average temperature in August - Winterthur, 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).

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Average pressure in August
Winterthur, DE

Average pressure in August - Winterthur, 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).

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Average wind speed in August
Winterthur, DE

Average wind speed in August - Winterthur, 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).

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Average humidity in August
Winterthur, DE

Average humidity in August - Winterthur, 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%).

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Average rainfall in August
Winterthur, DE

Average rainfall in August - Winterthur, 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").

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Average rainfall days in August
Winterthur, DE

Average rainfall days in August - Winterthur, 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).

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Average snowfall in August
Winterthur, DE

Average snowfall in August - Winterthur, 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").

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Average snowfall days in August
Winterthur, DE

Average snowfall days in August - Winterthur, 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).

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

Average daylight in August / Average sunshine in August - Winterthur, 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).

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Average sunshine days in August
Winterthur, DE

Average sunshine days in August - Winterthur, 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).

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Average UV index in August
Winterthur, DE

Average UV index in August - Winterthur, 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).

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Average cloud cover in August
Winterthur, DE

Average cloud cover in August - Winterthur, 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).

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Average visibility in August
Winterthur, DE

Average visibility in August - Winterthur, 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).

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Winterthur, Delaware, USA

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