July weather forecastHeidelberg, Germany
July
Weather in July
July forms the heart of summer in Heidelberg, presenting warm afternoons and mild evenings. Those enjoying outdoor activities or sightseeing will find the climate much to their liking. An increase in UV index encourages wearing sun-protective gear during peak daylight hours. The city experiences its highest peak in the mercury level, with the temperature reaching up to 25.7°C (78.3°F). July represents appeasing high summertime, characterized by the city's most pronounced sunny spells.Temperature
Heidelberg's average high-temperature in July is a still warm 25.7°C (78.3°F), indicating a subtle variation from June. During the month of July, the temperature in Heidelberg falls to an average of 15.1°C (59.2°F).Humidity
July and August, with an average relative humidity of 67%, are the least humid months.Rainfall
In July, the rain falls for 16.4 days. Throughout July, 46mm (1.81") of precipitation is accumulated. In Heidelberg, Germany, 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
In Heidelberg, the average length of the day in July is 15h and 47min.On the first day of July, sunrise is at 05:23 and sunset at 21:34. On the last day of the month, sunrise is at 05:56 and sunset at 21:07 CEST.
Sunshine
The months with the most sunshine in Heidelberg are July and August, with an average of 10.5h of sunshine.UV index
The months with the highest UV index in Heidelberg are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in July translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Heidelberg, Germany
- Average high temperature in July: 25.7°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 July: 15.1°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 July
Heidelberg, Germany
- Average pressure in July: 1016mbar
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 July
Heidelberg, Germany
- Average wind speed in July: 9.3km/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 July
Heidelberg, Germany
- Average humidity in July: 67%
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 July
Heidelberg, Germany
- Average rainfall in July: 46mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in July
Heidelberg, Germany
- Average rainfall days in July: 16.4 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 July
Heidelberg, Germany
- Average snowfall in July: 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 July
Heidelberg, Germany
- Average snowfall days in July: 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 July /
Average sunshine in July
Heidelberg, Germany
- Average daylight in July: 15h and 48min
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 July: 10h and 30min
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 July
Heidelberg, Germany
- Average sunshine days in July: 12 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 July
Heidelberg, Germany
- Average UV index in July: 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 July
Heidelberg, Germany
- Average cloud cover in July: 33
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 July
Heidelberg, Germany
- Average visibility in July: 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).
