Frederick
Maryland, USA
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Frederick, MD

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  • The average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (89°F).
The month with the lowest average high temperature is January (41°F).

  • The average low temperature in December: 30°F

The month with the highest average low temperature is July (67°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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  • The average rainfall in December: 3.4"

The wettest month (with the highest rainfall) is May (4.2").
The driest month (with the lowest rainfall) is February (2.7").

  • The average rainfall days in December: 11 days

The month with the highest number of rainy days is May (12 days).
Months with the lowest number of rainy days are September and October (8 days).

  • 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: 4h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 4h).

  • 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).

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