January weather forecast and climate
Annapolis, MD

A view of Chesapeake Bay at dusk, found in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome,
A view of Chesapeake Bay at dusk, found in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome,

What is the coldest month in Annapolis?

The coldest month in Annapolis, Maryland, is January, with an average high-temperature of 42.6°F (5.9°C) and an average low-temperature of 29.1°F (-1.6°C).

What is the temperature in January in Annapolis?

In January, in Annapolis, the average high-temperature is 42.6°F (5.9°C), and the average low-temperature is 29.1°F (-1.6°C).

How much does it rain in Annapolis in January?

In Annapolis, in January, during 9.4 rainfall days, typically, 3.3" (84.3mm) of precipitation is accumulated.

What is the water temperature in January in Annapolis?

In Annapolis, Maryland, in January, the average water temperature is 46.8°F (8.2°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Average temperature in January - Annapolis, MD
  • Average high temperature in January: 5.9°C

The warmest month (with the highest average high temperature) is July (29.9°C).
The month with the lowest average high temperature is January (5.9°C).

  • Average low temperature in January: -1.6°C

The month with the highest average low temperature is July (21.8°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average rainfall in January - Annapolis, MD
  • Average rainfall in January: 84.3mm

The wettest month (with the highest rainfall) is September (120.9mm).
The driest month (with the lowest rainfall) is February (74.7mm).

Average rainfall days in January - Annapolis, MD
  • Average rainfall days in January: 9.4 days

Months with the highest number of rainy days are March and April (11.2 days).
Months with the lowest number of rainy days are September and October (7.8 days).

Average sea temperature in January - Annapolis, MD
  • Average sea temperature in January: 8.2°C

The best month for swimming (with the highest average sea temperature) is August (25.4°C).
The coldest month (with the lowest average sea temperature) is February (7.3°C).

Average daylight in January / Average sunshine in January - Annapolis, MD
  • Average daylight in January: 9.8h

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 January: 5h

Months with most sunshine are June, July and August (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in January - Annapolis, MD
  • Average UV index in January: 2

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

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