Baltimore
Maryland, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Baltimore, MD

A golden evening appearance of tall buildings in Baltimore, Maryland, with the clear sky
A golden evening appearance of tall buildings in Baltimore, Maryland, with the clear sky
August registers the highest humidity of the year averaging 71.1%, inducing a feeling of warmer weather in Baltimore despite the slight temperature drop to the range of 70.9°F (21.6°C) and 87.1°F (30.6°C).
The rainfall drops considerably to rain only for nine days approximately, with the rain gauge collecting 3.4" (86.4mm) in precipitation.
August experiences the most crowded beaches as the sea temperature reaches its highest 73.4°F (23°C) of the year. Resting under the shades is recommended as the UV index rises with the heat.
The daylight hours drop to fourteen, still making an excellent time to tour Baltimore in the evening.

What is the temperature in August in Baltimore?

In Baltimore, Maryland, in August, the average high-temperature is 87.1°F (30.6°C), and the average low-temperature is 70.9°F (21.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in August is appraised at 98.4°F (36.9°C).

What is the average humidity in August in Baltimore?

In August, the average relative humidity is 71.1%.

How much does it rain in Baltimore in August?

In Baltimore, during August, the rain falls for 9.2 days and regularly aggregates up to 3.4" (86.1mm) of precipitation.

When it does not snow in Baltimore?

April through October are months without snowfall in Baltimore, Maryland.

When is the ocean warmest in Baltimore?

With an average ocean temperature of 77.5°F (25.3°C), August is the month with the warmest seawater in Baltimore, Maryland.

What is the ocean temperature in August in Baltimore?

In August, the average ocean temperature in Baltimore is 77.5°F (25.3°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Baltimore have in August?

In August, the average length of the day in Baltimore, Maryland, is 13.7h.

How many hours of sunshine does Baltimore have in August?

The average sunshine in August in Baltimore, Maryland, is 8.5h.

How high is the UV index in August in Baltimore?

In Baltimore, the average daily maximum UV index in August is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to the UV radiation.
Average temperature in August - Baltimore, MD
  • Average high temperature in August: 87°F

The warmest month (with the highest average high temperature) is July (89°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in August: 70.9°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (29.2°F).

Average humidity in August - Baltimore, MD
  • Average humidity in August: 71.1%

The month with the highest relative humidity is September (71.3%).
The month with the lowest relative humidity is April (58.9%).

Average rainfall in August - Baltimore, MD
  • Average rainfall in August: 3.4"

The wettest month (with the highest rainfall) is July (4.6").
The driest month (with the lowest rainfall) is February (2.6").

Average rainfall days in August - Baltimore, MD
  • Average rainfall days in August: 9.2 days

The month with the highest number of rainy days is May (11.2 days).
The month with the lowest number of rainy days is October (8.3 days).

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

The month with the highest snowfall is February (8").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (3.5 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in August - Baltimore, MD
  • Average sea temperature in August: 77.5°F

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

Average daylight in August / Average sunshine in August - Baltimore, MD
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 8.5h

The month with most sunshine is July (Average sunshine: 9.4h).
The month with least sunshine is December (Average sunshine: 4.7h).

Average UV index in August - Baltimore, MD
  • Average UV index in August: 8

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).