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

December weather forecast and Climate
Baltimore, MD

Advertisement
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
Baltimore is cold in December, as the temperature decreases sharply to the low range of 32.7°F (0.4°C) and 46°F (7.8°C).
Snowfall only occurs for approximately one and a half days with a low 3" (76.2mm) accumulation.
Rain falls for an average of ten days to collect 3.4" (86.4mm) in the rain gauge, making most days cold and wet.
The sea temperature drops to 42.8°F (6°C), bringing most sea activities to a stop. Basking in the four and a half hours of sunshine, however, remains in place.
Crowds thin out considerably leaving sufficient room to tour Baltimore without the hustle and bustle of the peak tourist period.
Advertisement
  • The average high temperature in December: 46.1°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).

  • The average low temperature in December: 32.8°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).

Advertisement
  • The average humidity in December: 65.5%

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

  • The average rainfall in December: 3.4"

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

  • The average rainfall days in December: 9.9 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).

  • The average snowfall in December: 3"

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

  • The average snowfall days in December: 1.7 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).

  • The average sea temperature in December: 50.7°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).

  • The average daylight in December: 9h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in December: 4.7h

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

  • The average UV index in December: 2

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).

deutscheenglishespañolрусский中文
Advertisement
Advertisement