March weather forecast
Bonn, Germany

A stand-alone ancient castle in Bonn, Germany, with an urban setting down below
A stand-alone ancient castle in Bonn, Germany, with an urban setting down below

March

Weather in March

March brings more noticeable signs of seasonal change in Bonn. The temperatures continue their upward trajectory, and the days continue to get longer, leading to increased daylight hours. The spring season officially commences during this month, bringing with it incremental warmth and greening landscapes. Heavy snowfall becomes a rarity, being replaced by rainfall on close to 14 days of the month. March experiences a hint of humidity, yet the skies start to clear, extending an invitation to witness the full bloom.

Temperature

With the transition into March, Bonn experiences a subtle uplift in average high-temperatures, adjusting from a cold 5.2°C (41.4°F) in February to a frosty 9.7°C (49.5°F). In the month of March, the temperature in Bonn generally rests at an average low of 2°C (35.6°F).

Humidity

In March, the average relative humidity is 79%.

Rainfall

In March, the rain falls for 13.6 days. Throughout March, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Bonn, there are 156 rainfall days, and 305mm (12.01") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. March is the last month it regularly snows in Bonn. During 2 snowfall days, in March, Bonn aggregates 10mm (0.39") of snow. In Bonn, during the entire year, snow falls for 19.5 days and aggregates up to 98mm (3.86") of snow.

Daylight

The average length of the day in March in Bonn, Germany, is 11h and 55min.
On the first day of the month, sunrise is at 07:14 and sunset at 18:13. On the last day of March, in Bonn, Germany, sunrise is at 06:08 and sunset at 19:02 CET.

Sunshine

In Bonn, the average sunshine in March is 6h.

UV index

In Bonn, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 3 in March translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the temperature in March in Bonn?
March temperatures in Bonn, Germany, vary between a high-temperature of 9.7°C (49.5°F) and a low-temperature of 2°C (35.6°F).
What is the average humidity in March in Bonn?
The average relative humidity in March in Bonn, Germany, is 79%.
How many days does it rain in March in Bonn?
In March, the rain falls for 13.6 days. Throughout March, 27mm (1.06") of precipitation is accumulated.
What is the last month it snows in Bonn?
March is the last month it regularly snows in Bonn, Germany. During 2 snowfall days, in March, Bonn aggregates 10mm (0.39") of snow.
What is the average length of the day in March in Bonn?
The average day length in March is 11h and 55min.
When is the sunrise / sunset in March in Bonn?
On the first day of March, sunrise is at 07:14 and sunset at 18:13. On the last day of the month, sunrise is at 06:08 and sunset at 19:02 CET.
How many hours of sunshine does Bonn have in March?
In March, the average sunshine duration is 6h.
What is the UV index reading in March in Bonn?
In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in March - Bonn, Germany
Average temperature in March
Bonn, Germany
  • Average high temperature in March: 9.7°C

The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (4°C).

  • Average low temperature in March: 2°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in March - Bonn, Germany
Average pressure in March
Bonn, Germany
  • Average pressure in March: 1016.3mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).

Average wind speed in March - Bonn, Germany
Average wind speed in March
Bonn, Germany
  • Average wind speed in March: 12km/h

The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

Average humidity in March - Bonn, Germany
Average humidity in March
Bonn, Germany
  • Average humidity in March: 79%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in March - Bonn, Germany
Average rainfall in March
Bonn, Germany
  • Average rainfall in March: 27mm

The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are April and September (17mm).

Average rainfall days in March - Bonn, Germany
Average rainfall days in March
Bonn, Germany
  • Average rainfall days in March: 13.6 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in March - Bonn, Germany
Average snowfall in March
Bonn, Germany
  • Average snowfall in March: 10mm

The month with the highest snowfall is February (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in March - Bonn, Germany
Average snowfall days in March
Bonn, Germany
  • Average snowfall days in March: 2 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in March / Average sunshine in March - Bonn, Germany
Average daylight in March /
Average sunshine in March
Bonn, Germany
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in March: 6h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in March - Bonn, Germany
Average sunshine days in March
Bonn, Germany
  • Average sunshine days in March: 14 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is December (11.4 days).

Average UV index in March - Bonn, Germany
Average UV index in March
Bonn, Germany
  • Average UV index in March: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in March - Bonn, Germany
Average cloud cover in March
Bonn, Germany
  • Average cloud cover in March: 51

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in March - Bonn, Germany
Average visibility in March
Bonn, Germany
  • Average visibility in March: 9km

The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).

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