The average temperature of Annapolis almost stays the same level as US, daily highest temperature is mainly less than the US average temperature, while daily lowest number is lower than the average, it can be concluded that in winter, this city must be very cold.

The amount of precipitation in Annapolis is a little bit higher than the average figure in US, especially in summer time, it can be summarized that this city has enough rainfall during a year especially in summer.

The humidity in the morning ranges from 73% to 84%, the figure in summer is highest, while in the afternoon, the figure is between 49% and 58%, and winter afternoon has highest humidity. The humidity is almost the same level with US average.

Wind speed is at the same condition with US average, the velocity ranges from 7.8 to 10.8m/h, it is noticeable that in the March, the wind velocity is highest.

It is obvious that snowfall in winter especially in Jan and Feb is high, after that it go downwards, from Oct, it go upwards, but the figure is lower than US average.

In summer time, sunshine is the most abundant, but much lower than the US average, in winter, it does not decrease a lot. Annapolis is not a city with enough sunshine in US.

Overall, the weather in Annapolis is not bad, overcast day accounts for least in each month, the proportion of partly cloudy days are the most, also precipitation days in summer is much more than other seasons.

The main wind directions WNW, and at this direction, wind speed is high and can reach more than 61km/h, while the wind velocity to east is lowest.

The daily average visibility, depicted as gray bars encroaching down from the top of the graph.

The earliest sunrise is at 5:39am on June 15 and the latest sunset is at 8:36pm on June 26. The latest sunrise is at 7:36am on November 3 and the earliest sunset is at 4:43pm on December 10. Daylight savings time (DST) is observed in this location during 2012, starting in the spring on March 11 and ending in the fall on November 4.