August weather forecast
Beltsville, MD

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Weather in August

The last month of the summer, August, is another warm month in Beltsville, Maryland, with an average temperature varying between 67.6°F (19.8°C) and 84.7°F (29.3°C).

Temperature

The transition into August notes an average high-temperature of a moderately hot 84.7°F (29.3°C), revealing a mild distinction from the 87.3°F (30.7°C) in July. The nighttime temperature dips to an enjoyable 67.6°F (19.8°C) on average during August.

Heat index

For most parts of August, the heat index is calculated to be a tropical 93.2°F (34°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In August, the average relative humidity is 71%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

In Beltsville, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of August, sunrise is at 6:09 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

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 health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

Is it hot during August?

In Beltsville, 84.7°F (29.3°C) is the average high-temperature and 67.6°F (19.8°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in August?

The average relative humidity in August is 71%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 4.02" (102mm) of precipitation.

How many days does it rain in August?

In Beltsville, in August, during 16.9 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

When it does not snow?

In Beltsville, snow does not fall in May through October.

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

In Beltsville, the average day length in August is 13h and 39min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

How long on average sun shines in August?

In Beltsville, the average sunshine duration in August is 10.2h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Beltsville, MD

Average temperature in August - Beltsville, MD
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in August
Beltsville, MD

Average pressure in August - Beltsville, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Beltsville, MD

Average wind speed in August - Beltsville, MD
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Beltsville, MD

Average humidity in August - Beltsville, MD
  • Average humidity in August: 71%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in August
Beltsville, MD

Average rainfall in August - Beltsville, MD
  • Average rainfall in August: 4.02"

The wettest month (with the highest rainfall) is August (4.02").
The driest months (with the least rainfall) are January and February (2.01").

Average rainfall days in August
Beltsville, MD

Average rainfall days in August - Beltsville, MD
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9 days).

Average snowfall in August
Beltsville, MD

Average snowfall in August - Beltsville, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Beltsville, MD

Average snowfall days in August - Beltsville, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Beltsville, MD

Average daylight in August / Average sunshine in August - Beltsville, MD
  • 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 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Beltsville, MD

Average sunshine days in August - Beltsville, MD
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in August
Beltsville, MD

Average UV index in August - Beltsville, MD
  • 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
Beltsville, MD

Average cloud cover in August - Beltsville, MD
  • Average cloud cover in August: 33

The months with the most cloud cover are March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
Beltsville, MD

Average visibility in August - Beltsville, MD
  • 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).

Beltsville, Maryland, USA

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