August weather forecast
Roxbury, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Roxbury, Maryland, with an average temperature fluctuating between 64.9°F (18.3°C) and 82.9°F (28.3°C).

Temperature

The shift into August finds Roxbury at an average high-temperature of a still warm 82.9°F (28.3°C), closely comparable to July's conditions. Throughout August, Roxbury encounters an average temperature drop to a refreshing 64.9°F (18.3°C).

Heat index

The heat index for August is estimated at a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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 August, the average relative humidity is 76%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.82" (97mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 40min.
On the first day of August in Roxbury, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:40 pm EDT.

Sunshine

In Roxbury, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May 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 ordinary individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

How hot is August?

The high-temperature, in August, in Roxbury, records 82.9°F (28.3°C), while the low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 76%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 3.82" (97mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 16.8 days. Throughout August, 3.82" (97mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Roxbury have in August?

The average day length in August is 13h and 40min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:40 pm EDT.

How many hours of sunshine does Roxbury have in August?

The average sunshine duration in August is 10.3h.

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 Roxbury, Maryland, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Roxbury, MD

Average temperature in August - Roxbury, MD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in August
Roxbury, MD

Average pressure in August - Roxbury, 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 (29.95"Hg).

Average wind speed in August
Roxbury, MD

Average wind speed in August - Roxbury, MD
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Roxbury, MD

Average humidity in August - Roxbury, MD
  • Average humidity in August: 76%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in August
Roxbury, MD

Average rainfall in August - Roxbury, MD
  • Average rainfall in August: 3.82"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in August
Roxbury, MD

Average rainfall days in August - Roxbury, MD
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in August
Roxbury, MD

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

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Roxbury, MD

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

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Roxbury, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Roxbury, MD

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

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Roxbury, MD

Average UV index in August - Roxbury, 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
Roxbury, MD

Average cloud cover in August - Roxbury, MD
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
Roxbury, MD

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

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

Roxbury, Maryland, USA

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