June weather forecast
Bonn, Germany

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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

Weather in June

June marks the official arrival of Summer in Bonn, with balmy weather and longer sunny days. The rising temperatures create a vibrant atmosphere in the city, as people spend more time outdoors enjoying the sunshine. With an average high of 21.3°C (70.3°F), the city and its inhabitants make the most of sunny days in outdoor parks and cafes filled with sun seekers. Rain showers are seen intermittently, but they do not impair the appeal of summer. The modest wind, enhanced visibility, and the blooming city lure many tourists into Bonn every June.

Temperature

The transition from May to June in Bonn brings a subtle temperature rise, with average high-temperatures increasing from a refreshing 17.8°C (64°F) to an agreeable 21.3°C (70.3°F). Bonn records an average nighttime low of 10.8°C (51.4°F) in June.

Humidity

The average relative humidity in June is 77%.

Rainfall

In Bonn, in June, during 14.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Bonn, there are 156 rainfall days, and 305mm (12.01") of precipitation is accumulated.

Snowfall

In Bonn, Germany, snow does not fall in April through October.

Daylight

The month with the longest days in Bonn is June, with an average of 16h and 24min of daylight.
On the first day of June in Bonn, sunrise is at 05:23 and sunset at 21:35. On the last day of the month, sunrise is at 05:22 and sunset at 21:48 CEST.

Sunshine

In June, the average sunshine is 9.4h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in June leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are June temperatures in Bonn?

During June, Bonn experiences an average high-temperature of 21.3°C (70.3°F) and a low-temperature of 10.8°C (51.4°F).

What is the average humidity in June in Bonn?

In Bonn, Germany, the average relative humidity in June is 77%.

How many days does it rain in June in Bonn?

In Bonn, Germany, in June, it is raining for 14.5 days, with typically 30mm (1.18") of accumulated precipitation.

When it does not snow in Bonn?

April through October are months without snowfall in Bonn, Germany.

When are the longest days in Bonn?

The month with the longest days in Bonn is June, with an average of 16h and 24min of daylight.

How many hours of daylight does Bonn have in June?

In Bonn, the average day length in June is 16h and 25min.

What time are sunrise and sunset in June in Bonn?

On the first day of June in Bonn, sunrise is at 05:23 and sunset at 21:35. On the last day of the month, sunrise is at 05:22 and sunset at 21:48 CEST.

How many hours of sunshine does Bonn have in June?

In Bonn, the average sunshine duration in June is 9.4h.

What is the month with the highest UV index in Bonn?

The months with the highest UV index are June and July, with an average maximum UV index of 5.

How high is the UV index in June in Bonn?

The average daily maximum UV index in June in Bonn is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
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 June
Bonn, Germany

Average temperature in June - Bonn, Germany
  • Average high temperature in June: 21.3°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 June: 10.8°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 June
Bonn, Germany

Average pressure in June - Bonn, Germany
  • Average pressure in June: 1016mbar

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 June
Bonn, Germany

Average wind speed in June - Bonn, Germany
  • Average wind speed in June: 9.7km/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 June
Bonn, Germany

Average humidity in June - Bonn, Germany
  • Average humidity in June: 77%

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 June
Bonn, Germany

Average rainfall in June - Bonn, Germany
  • Average rainfall in June: 30mm

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 June
Bonn, Germany

Average rainfall days in June - Bonn, Germany
  • Average rainfall days in June: 14.5 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 June
Bonn, Germany

Average snowfall in June - Bonn, Germany
  • Average snowfall in June: 0mm

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 June
Bonn, Germany

Average snowfall days in June - Bonn, Germany
  • Average snowfall days in June: 0 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 June /
Average sunshine in June
Bonn, Germany

Average daylight in June / Average sunshine in June - Bonn, Germany
  • Average daylight in June: 16h and 2min

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 June: 9h and 2min

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 June
Bonn, Germany

Average sunshine days in June - Bonn, Germany
  • Average sunshine days in June: 12.3 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 June
Bonn, Germany

Average UV index in June - Bonn, Germany
  • Average UV index in June: 5

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 June
Bonn, Germany

Average cloud cover in June - Bonn, Germany
  • Average cloud cover in June: 43

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 June
Bonn, Germany

Average visibility in June - Bonn, Germany
  • Average visibility in June: 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).

Bonn, Germany

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