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Climate comparison

Germany

Japan

Germany
All information: Germany
Japan
All information: Japan
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GermanyJapan
Climate zoneTemperate zoneTemperate zone to Tropics
Latitudes55° 1' N to 47° 25' N45° 25' N to 24° 21' N
Distance to equator5,300 - 6,100 km2,700 - 5,100 km
 
Annual valuesGermanyJapan
Ø Daytime maximum temperature13.80 °C19.20 °C
Ø Daily low temperature5.6 °C11.50 °C
Ø Water temperature9.9 °C18 °C
Ø Humidity79 %69 %
Precipitation715 mm1,712 mm
Rain days118.8 days120.0 days
Hours of sunshine1,716 hrs.1,935 hrs.

Colors of the following climate diagrams:
Japan
Germany

Daily maximum temperatures

The highest daytime temperatures in Germany are reached in July with an average of 23.9 °C. The coldest month, on the other hand, is January, with an average of just 3.4 °C. In Japan, August is the warmest month, with 30.5 °C. There, it is coolest in January with an average of 8.1 °C.

Night time lows

At night, it cools down to varying degrees depending on the country and altitude. In Germany, temperatures drop as low as -1.4 °C in January. The warmest nights are in July at 13.4 °C. In Japan, it is coolest at night in January at 0.9 °C and warmest in August at 23.3 °C. This corresponds to a cooling of 4.6 to 10.6 °C in Germany and 6.8 to 9.1 °C in Japan.

Water temperatures

Humidity

The humidity of the air depends to a large extent on the air temperature. The warmer the air, the more water it can absorb. At a temperature of 25°C it is 23 grams per cubic meter, at 30 degrees it is already 26 grams. Therefore, the air humidity is given as a relative value to the temperature-dependent maximum amount. It becomes unpleasant when high humidity is combined with high temperatures.

Humidex

Humidex is an approximate, sensed temperature calculated on the basis of air temperature, dew point and humidity. It was developed in 1965 by the Canadian meteorologists J. M. Masterton and F. A. Richardson. Since the wind speed is ignored here, it is not very meaningful in areas below approx. 15°C. Above that, it is more reliable, since at higher temperatures humidity plays a greater role than wind.

Rainy days per month

By definition, a rainy day is a day on which at least 0.1 liters of precipitation per m² fall. This corresponds to a 1 square meter puddle in which the water stands 0.1 mm high — insofar as the water does not seep away or evaporate. So it does not have to rain all day long. January brings the most rainy days (12.3) in Germany. With an average of only 7.2 days, April is the friendliest. In Japan, it rains most often in July with 11.1 days.

Precipitation amount per day

Depending on the season and the location of a country, the wind brings a varying amount of water with it. As a rule, the water evaporating in the oceans is absorbed and then transported inland. The greatest amount of rain (hail or dew are also forms of precipitation) in Germany occurs in July, when about 2.6 liters per square meter fall per day. In Japan, the average amount of precipitation ranges from 2.6 liters per day in January to 6.9 in September. However, these are average values. If you consider that there are only 10.7 rainy days in Japan in September, each of them accounts for about 19.4 liters.

Sunshine hours per day

With 1,935 hours of sunshine per year, Japan is in the lead. The most hours of sunshine (6.4 per day) are in May. Germany falls into second place with only 1,716 hours. There the sun is visible in December for only 1.3 hours per day, so not hidden behind clouds.

Hours of daylight

The length of a day varies throughout the year and depends on the distance from the equator. In December, the day in Germany is only 8.1 hours long. In June, on the other hand, it is 16.6 hours. In Japan, it is 9.9 hours in December and 14.5 in June.
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