June weather forecastHeidelberg, Germany

June

Weather in June

June drops the curtain to Heidelberg's summer, characterized by relatively humid and warm weather. Compared to May, the city sees less rainfall and draws a mostly sunny and clear weather outlook. This is the month when the city enjoys increased daylight hours, setting the perfect backdrop for a variety of outdoor activities. While the temperature climbs to a warm 23.2°C (73.8°F), Heidelberg exudes the entire charm of German summer colors. As darker clouds shift away to the backdrop, the city embraces the summer in full swing, paving the way for a hot July.

Temperature

The shift from May to June in Heidelberg introduces a subtle increase in the average high-temperature, moving from a refreshing 19.3°C (66.7°F) to a warm 23.2°C (73.8°F). In Heidelberg, the average temperature during the nights of June drops to a fresh 12.7°C (54.9°F).

Humidity

In June, the average relative humidity in Heidelberg is 72%.

Rainfall

In Heidelberg, in June, during 15.7 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Heidelberg, during the entire year, the rain falls for 164.2 days and collects up to 434mm (17.09") of precipitation.

Snowfall

In Heidelberg, snow does not fall in April through September.

Daylight

June has the longest days of the year, with an average of 16h and 12min of daylight.
On the first day of the month, sunrise is at 05:23 and sunset at 21:23. On the last day of June, sunrise is at 05:23 and sunset at 21:35 CEST.

Sunshine

In June, the average sunshine in Heidelberg, Germany, is 10.3h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Heidelberg. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 5 during June translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

During June, Heidelberg experiences an average high-temperature of 23.2°C (73.8°F) and a low-temperature of 12.7°C (54.9°F).

In Heidelberg, the average relative humidity in June is 72%.

In June, in Heidelberg, Germany, the rain falls for 15.7 days. Throughout June, 41mm (1.61") of precipitation is accumulated.

April through September are months without snowfall in Heidelberg, Germany.

With an average of 16h and 12min of daylight, June has the longest days of the year in Heidelberg, Germany.

In June, the average day length in Heidelberg is 16h and 11min.

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

In June, the average sunshine duration is 10.3h.

The months with the highest UV index in Heidelberg are May through August, with an average maximum UV index of 5.

In June, the average daily maximum UV index is 5. 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Heidelberg, Germany

  • Average high temperature in June: 23.2°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (4°C).

  • Average low temperature in June: 12.7°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in June
Heidelberg, Germany

  • Average pressure in June: 1016.1mbar

The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in June
Heidelberg, Germany

  • Average wind speed in June: 9.5km/h

The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in June
Heidelberg, Germany

  • Average humidity in June: 72%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (67%).

Average rainfall in June
Heidelberg, Germany

  • Average rainfall in June: 41mm

The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in June
Heidelberg, Germany

  • Average rainfall days in June: 15.7 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is September (10.8 days).

Average snowfall in June
Heidelberg, Germany

  • Average snowfall in June: 0mm

The month with the highest snowfall is December (44mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in June
Heidelberg, Germany

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Heidelberg, Germany

  • Average daylight in June: 16h and 12min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in June: 10h and 18min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in June
Heidelberg, Germany

  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is December (11.5 days).

Average UV index in June
Heidelberg, Germany

  • Average UV index in June: 5

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

Average cloud cover in June
Heidelberg, Germany

  • Average cloud cover in June: 35

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in June
Heidelberg, Germany

  • Average visibility in June: 9km

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