Mannheim is a city of 315,000 inhabitants, located in the south-west of Germany, in the state of
, on the banks of the Rhine River, and at 49 degrees north latitude. Together with the cities of Ludwigshafen and Heidelberg, it forms the metropolitan region
. The temperature rarely drops below -10 °C (14 °F), although it has dropped below -20 °C (-4 °F) in the past.
, usually of short duration, during which the temperature can reach or exceed 35 °C (95 °F). The heat record is 39.8 °C (103.6 °F), set in August 2015. Due to the location in the Rhine Valley, the muggy heat is felt on hot days.
to visit Mannheim runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
2.3 °C, with a minimum of
-0.7 °C and a maximum of
5.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-9 °C. However, it dropped to
-18.3 °C in January 2002.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
16.4 °C in January 2007.
Precipitation amounts to
41.8 mm, distributed over 10 days.
The day lasts on average 8 hours and 40 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 82%. Hence, the air is normally humid.
February is generally a cold month. The average temperature is of
3.4 °C, with a minimum of
-0.5 °C and a maximum of
7.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-15.6 °C in February 2012.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
19.6 °C in February 2019.
Precipitation amounts to
41 mm, distributed over 8 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 78%. Hence, the air is normally humid.
March is generally a quite mild month. The average temperature is of
7.1 °C, with a minimum of
2.1 °C and a maximum of
12.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-4 °C. However, it dropped to
-13.6 °C in March 2005.
On the warmest days of the month, the temperature usually reaches around
20 °C. However, it reached
24.6 °C in March 1998.
Precipitation amounts to
42.3 mm, distributed over 9 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 71%. Hence, the air is normally humid.
April is generally a mild month. The average temperature is of
11.1 °C, with a minimum of
5.2 °C and a maximum of
17.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-6.1 °C in April 2003.
On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
32 °C in April 2012.
Precipitation amounts to
41.5 mm, distributed over 8 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 65%.
May is generally a very mild month. The average temperature is of
15.2 °C, with a minimum of
9.3 °C and a maximum of
21 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-0.2 °C in May 2011.
On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
33.2 °C in May 2017.
Precipitation amounts to
68.2 mm, distributed over 10 days.
The day lasts on average 15 hours and 25 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 67%.
June is generally a warm month. The average temperature is of
18.6 °C, with a minimum of
12.7 °C and a maximum of
24.6 °C.
On the coldest nights of the month, the temperature usually drops to around
7 °C. However, it dropped to
4 °C in June 2005.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
38.9 °C in June 2019.
Precipitation amounts to
62.4 mm, distributed over 9 days.
The day lasts on average 16 hours and 10 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 66%.
July, the warmest month of the year, is generally a warm month. The average temperature is of
20.7 °C, with a minimum of
14.7 °C and a maximum of
26.6 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
5.4 °C in July 2019.
On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
39.5 °C in July 2019.
Precipitation amounts to
72.5 mm, distributed over 10 days.
The day lasts on average 15 hours and 40 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 65%.
August is generally a warm month. The average temperature is of
20.4 °C, with a minimum of
14.4 °C and a maximum of
26.4 °C.
On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
5.3 °C in August 1993.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
39.8 °C in August 2015.
Precipitation amounts to
61.8 mm, distributed over 9 days.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 67%.
September is generally a very mild month. The average temperature is of
16 °C, with a minimum of
10.6 °C and a maximum of
21.5 °C.
On the coldest nights of the month, the temperature usually drops to around
5 °C. However, it dropped to
2.3 °C in September 2018.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
32.9 °C in September 2016.
Precipitation amounts to
50.4 mm, distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 73%. Hence, the air is normally humid.
October is generally a mild month. The average temperature is of
11.1 °C, with a minimum of
6.6 °C and a maximum of
15.6 °C.
On the coldest nights of the month, the temperature usually drops to around
0 °C. However, it dropped to
-5.5 °C in October 2012.
On the warmest days of the month, the temperature usually reaches around
23 °C. However, it reached
27.4 °C in October 2018.
Precipitation amounts to
53 mm, distributed over 9 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 81%. Hence, the air is normally humid.
November is generally a quite cold month. The average temperature is of
6.1 °C, with a minimum of
2.8 °C and a maximum of
9.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-8.1 °C in November 1998.
On the warmest days of the month, the temperature usually reaches around
16 °C. However, it reached
19.8 °C in November 2015.
Precipitation amounts to
53.8 mm, distributed over 10 days.
The day lasts on average 9 hours and 5 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 20% of the time.
The average humidity is 85%. Hence, the air is normally humid.
December is generally a cold month. The average temperature is of
3.1 °C, with a minimum of
0.4 °C and a maximum of
5.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-8 °C. However, it dropped to
-18.3 °C in December 2010.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
15.4 °C in December 1997.
Precipitation amounts to
54.9 mm, distributed over 11 days.
The day lasts on average 8 hours and 10 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average humidity is 85%. Hence, the air is normally humid.