August weather forecast
Keymar, MD

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Weather in August

August, the last month of the summer in Keymar, is also a moderately hot month, with an average temperature varying between 63.1°F (17.3°C) and 81.9°F (27.7°C).

Temperature

The onset of August notes an average high-temperature of a still warm 81.9°F (27.7°C), subtly shifted from July's 84°F (28.9°C). Keymar sees an average low-temperature of 63.1°F (17.3°C) during August.

Heat index

August's average heat index is evaluated at a hot 87.8°F (31°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Keymar, the average relative humidity in August is 78%.

Rainfall

August is the month with the most rainfall. Rain falls for 17 days and accumulates 3.23" (82mm) of precipitation.

Snowfall

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

Daylight

In Keymar, the average length of the day in August is 13h and 41min.
On the first day of August, sunrise is at 6:09 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:41 pm EDT.

Sunshine

In Keymar, the average sunshine in August is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 6 in August leads to these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What is the average August temperature?

The high-temperature, in August, in Keymar, is 81.9°F (27.7°C), while the low-temperature averages to 63.1°F (17.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 87.8°F (31°C).

What is the average humidity in August in Keymar?

In Keymar, the average relative humidity in August is 78%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 17 days and typically aggregates up to 3.23" (82mm) of precipitation.

How many days does it rain in August?

In Keymar, in August, during 17 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in August?

In August, the average day length is 13h and 41min.

What time are sunrise and sunset in August in Keymar?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:41 pm EDT.

How many hours of sunshine does Keymar have in August?

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

When is the highest UV index?

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

How high is the UV index in August?

In Keymar, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Keymar, MD

Average temperature in August - Keymar, MD
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in August
Keymar, MD

Average pressure in August - Keymar, MD
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Keymar, MD

Average wind speed in August - Keymar, MD
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in August
Keymar, MD

Average humidity in August - Keymar, MD
  • Average humidity in August: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in August
Keymar, MD

Average rainfall in August - Keymar, MD
  • Average rainfall in August: 3.23"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in August
Keymar, MD

Average rainfall days in August - Keymar, MD
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in August
Keymar, MD

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

The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Keymar, MD

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

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Keymar, 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 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 42min).

Average sunshine days in August
Keymar, MD

Average sunshine days in August - Keymar, MD
  • Average sunshine days in August: 11.4 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Keymar, MD

Average UV index in August - Keymar, 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
Keymar, MD

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

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Keymar, MD

Average visibility in August - Keymar, MD
  • Average visibility in August: 6mi

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

Keymar, Maryland, USA

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