August weather forecast and climate
Winterthur, DE

August, the last month of the summer, in Winterthur, is also a moderately hot month, with average temperature ranging between max 82.9°F (28.3°C) and min 66.7°F (19.3°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 82.9°F (28.3°C). In August, in Winterthur, the average low-temperature is 66.7°F (19.3°C).

Heat index

In August, the average heat index is evaluated at a tropical 89.4°F (31.9°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like differences in body mass, height, and shape, metabolic differences, pregnancy, and activity influence one's weather impression. 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

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

Rainfall

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.

Snowfall

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

Daylight

In Winterthur, Delaware, the average length of the day is 13.7h.

Sunshine

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

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Winterthur?

The average high-temperature, in August, is 82.9°F (28.3°C), while the average low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), that combines air temperature and relative humidity, is calculated to 89.4°F (31.9°C).

What is the average humidity in August in Winterthur?

The average relative humidity in August in Winterthur is 74%.

How much does it rain in Winterthur in August?

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

What is the wettest month in Winterthur?

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.

When it does not snow in Winterthur?

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

How many hours of daylight does Winterthur have in August?

In Winterthur, Delaware, the average length of the day in August is 13.7h.

How long on average sun shines in August in Winterthur?

In Winterthur, the average sunshine 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.

What is the UV index intensity in August in Winterthur?

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 the Sun's UV rays.
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).

Average pressure in August - Winterthur, DE
  • Average pressure in August: 29.99"

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

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).

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%).

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").

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).

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

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

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).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Winterthur, DE
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 10.1h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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).
Months with the least sunshine days are May and July (9.8 days).

Average UV index in August - Winterthur, DE
  • Average UV index in August: 6

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

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

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

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