August weather forecast
Durham, CT

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Weather in August

August, the last month of the summer in Durham, is another warm month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 80.6°F (27°C).

Temperature

The transition into August notes an average high-temperature of a still warm 80.6°F (27°C), revealing a mild distinction from the 82.8°F (28.2°C) in July. Durham's temperature tends to fall to an average low of 63°F (17.2°C) during the nights of August.

Heat index

For most parts of August, the heat index is computed to be 84.2°F (29°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Durham, in August, during 16.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Durham, during the entire year, the rain falls for 160 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

In Durham, Connecticut, snow does not fall in June through October.

Daylight

In Durham, the average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:07 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:25 pm EDT.

Sunshine

July and August, with an average of 10.2h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Durham are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What are August temperatures in Durham?

August temperatures in Durham vary between a high-temperature of 80.6°F (27°C) and a low-temperature of 63°F (17.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is computed to be 84.2°F (29°C).

What is the average humidity in August in Durham?

In August, the average relative humidity in Durham, Connecticut, is 76%.

How much does it rain in Durham in August?

In August, the rain falls for 16.6 days. Throughout August, 2.8" (71mm) of precipitation is accumulated.

When it does not snow in Durham?

June through October are months without snowfall in Durham.

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

The average day length in August in Durham, Connecticut, is 13h and 47min.

When are sunrise and sunset in August in Durham?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:07 pm. On the last day of the month, in Durham, sunrise is at 6:16 am and sunset at 7:25 pm EDT.

What is the month with the most sunshine in Durham?

July and August, with an average of 10.2h of sunshine, are months with the most sunshine in Durham, Connecticut.

How long on average sun shines in August in Durham?

The average sunshine duration in August in Durham is 10.2h.

When is the highest UV index in Durham?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Durham, Connecticut.

What is the UV index intensity in August in Durham?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Durham, CT

Average temperature in August - Durham, CT
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in August
Durham, CT

Average pressure in August - Durham, CT
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Durham, CT

Average wind speed in August - Durham, CT
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
Durham, CT

Average humidity in August - Durham, CT
  • Average humidity in August: 76%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in August
Durham, CT

Average rainfall in August - Durham, CT
  • Average rainfall in August: 2.8"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in August
Durham, CT

Average rainfall days in August - Durham, CT
  • Average rainfall days in August: 16.6 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in August
Durham, CT

Average snowfall in August - Durham, CT
  • Average snowfall in August: 0"

The month with the highest snowfall is March (4.33").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Durham, CT

Average snowfall days in August - Durham, CT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (8.5 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
Durham, CT

Average daylight in August / Average sunshine in August - Durham, CT
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in August
Durham, CT

Average sunshine days in August - Durham, CT
  • Average sunshine days in August: 11.7 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in August
Durham, CT

Average UV index in August - Durham, CT
  • Average UV index in August: 6

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

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Average cloud cover in August
Durham, CT

Average cloud cover in August - Durham, CT
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in August
Durham, CT

Average visibility in August - Durham, CT
  • Average visibility in August: 6mi

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

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Durham, Connecticut, USA

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