Climate and waether in Berlin - Brandenburg
"The region of Berlin and Brandenburg has a humid continental climate with warm summers and no dry season.
Over the course of a year, the temperature typically varies from -3°C to 26°C and is rarely below -10°C or above 31°C.
The warm season lasts from May 27 to September 3 with an average daily high temperature above 21°C. The hottest day of the year is July 11, with an average high of 26°C and low of 15°C.
The cold season lasts from November 27 to February 28 with an average daily high temperature below 7°C. The coldest day of the year is February 1, with an average low of -3°C and high of 2°C
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 7:41 hours of daylight; the longest day is June 20 with 16:47 hours of daylight.
The earliest sunrise is at 4:43am on June 14 and the latest sunset is at 9:33pm on June 27. The latest sunrise is at 8:17am on December 30 and the earliest sunset is at 3:52pm on December 12.
Daylight saving time (DST) is observed in this location during 2012, starting in the spring on March 25 and ending in the fall on October 28.
The median cloud cover is 85% (mostly cloudy) and does not vary substantially over the course of the year.
On July 10, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 15% of the time, and overcast or mostly cloudy 33% of the time.
On January 3, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 72% of the time, and clear or mostly clear 3% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around December 11, occurring in 74% of days. Precipitation is least likely around October 5, occurring in 45% of days.
Over the entire year, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 35% of those days with precipitation. It is most likely around April 27, when it is observed during 26% of all days.
Moderate rain is the most severe precipitation observed during 33% of those days with precipitation. It is most likely around November 9, when it is observed during 25% of all days.
During the warm season, which lasts from May 27 to September 3, there is a 56% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (41% of days with precipitation have at worst light rain), moderate rain (30%), thunderstorms (23%), and heavy rain (5%).
During the cold season, which lasts from November 27 to February 28, there is a 67% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of moderate rain (31% of days with precipitation have at worst moderate rain), moderate snow (26%), light rain (22%), and light snow (12%).
The likelihood of snow falling is highest around January 15, occurring in 32% of days. The season in which it is relatively likely for snow to fall spans from November 15 to March 16.
The relative humidity typically ranges from 39% (comfortable) to 99% (very humid) over the course of the year, rarely dropping below 25% (dry) and reaching as high as 100% (very humid).
The air is driest around April 26, at which time the relative humidity drops below 45% (comfortable) three days out of four; it is most humid around November 11, exceeding 98% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a year, the dew point typically varies from -5°C (dry) to 16°C (comfortable) and is rarely below -12°C (dry) or above 18°C (mildy humid).
The time of the year between May 13 and October 9 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of the year typical wind speeds vary from 1 m/s to 7 m/s (light air to moderate breeze), rarely exceeding 11 m/s (strong breeze).
The highest average wind speed of 5 m/s (gentle breeze) occurs around January 12, at which time the average daily maximum wind speed is 7 m/s (moderate breeze).
The lowest average wind speed of 4 m/s (gentle breeze) occurs around July 9, at which time the average daily maximum wind speed is 6 m/s (moderate breeze).
The wind is most often out of the west (23% of the time), south west (18% of the time), east (13% of the time), and south (12% of the time)."