August weather forecast
Calvert, PA

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Weather in August

The last month of the summer, August, is another warm month in Calvert, Pennsylvania, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 57.4°F (14.1°C).

Temperature

The arrival of August denotes a barely perceptible change in the average high-temperatures to a still moderately hot 79.2°F (26.2°C) from July's 81.7°F (27.6°C). Calvert documents a substantial shift from daytime warmth, recording an average nighttime temperature of 57.4°F (14.1°C) in August.

Humidity

In Calvert, the average relative humidity in August is 79%.

Rainfall

In Calvert, in August, it is raining for 17.3 days, with typically 3.03" (77mm) of accumulated precipitation. In Calvert, Pennsylvania, during the entire year, the rain falls for 170.2 days and collects up to 32.2" (818mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 47min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:42 pm EDT.

Sunshine

The average sunshine in August in Calvert is 9.8h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In August, in Calvert, the average high-temperature is 79.2°F (26.2°C), and the average low-temperature is 57.4°F (14.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in July is evaluated at 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 79%.

How many days does it rain in August?

In Calvert, Pennsylvania, in August, during 17.3 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Calvert have in August?

In August, the average day length is 13h and 47min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:03 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:42 pm EDT.

How many hours of sunshine does Calvert have in August?

In August, the average sunshine duration is 9.8h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August in Calvert?

In Calvert, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium 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
Calvert, PA

Average temperature in August - Calvert, PA
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in August: 57.4°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in August
Calvert, PA

Average pressure in August - Calvert, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Calvert, PA

Average wind speed in August - Calvert, PA
  • Average wind speed in August: 4.8mph

The windiest months (with the highest average wind speed) are January, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Calvert, PA

Average humidity in August - Calvert, PA
  • Average humidity in August: 79%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (77%).

Average rainfall in August
Calvert, PA

Average rainfall in August - Calvert, PA
  • Average rainfall in August: 3.03"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in August
Calvert, PA

Average rainfall days in August - Calvert, PA
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.8 days).

Average snowfall in August
Calvert, PA

Average snowfall in August - Calvert, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Calvert, PA

Average snowfall days in August - Calvert, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Calvert, PA

Average daylight in August / Average sunshine in August - Calvert, PA
  • 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in August
Calvert, PA

Average sunshine days in August - Calvert, PA
  • Average sunshine days in August: 11.6 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in August
Calvert, PA

Average UV index in August - Calvert, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Calvert, PA

Average cloud cover in August - Calvert, PA
  • Average cloud cover in August: 37

The months with the most cloud cover are January, February and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in August
Calvert, PA

Average visibility in August - Calvert, PA
  • Average visibility in August: 5mi

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

Calvert, Pennsylvania, USA

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