Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The beginning of October in Heidelberg, Germany, involves a decrease in the average high-temperature, transitioning from a pleasant 20.6°C (69.1°F) in September to a refreshing 15°C (59°F). Nighttime temperature in Heidelberg experiences an average drop to a frosty 7.4°C (45.3°F) in October.Humidity
The average relative humidity in October in Heidelberg is 79%.Rainfall
In October, the rain falls for 12.9 days. Throughout October, 31mm (1.22") of precipitation is accumulated. In Heidelberg, during the entire year, the rain falls for 164.2 days and collects up to 434mm (17.09") of precipitation.Snowfall
January through March, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Heidelberg, there are 15.5 snowfall days, and 116mm (4.57") of snow is accumulated.Daylight
In Heidelberg, the average length of the day in October is 10h and 46min.On the first day of October in Heidelberg, Germany, sunrise is at 07:25 and sunset at 19:03 CEST. On the last day of the month, sunrise is at 07:12 and sunset at 17:05 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
In October, the average sunshine is 6h.UV index
The average daily maximum UV index in October in Heidelberg is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Heidelberg?
What is the average humidity in October in Heidelberg?
How many days does it rain in October in Heidelberg?
When does it start to snow in Heidelberg?
How many hours of daylight does Heidelberg have in October?
What time are sunrise and sunset in October in Heidelberg?
When does Daylight Saving Time (DST) end in October in Heidelberg?
How long on average sun shines in October in Heidelberg?
What is the UV index reading in October in Heidelberg?
Average temperature in October
Heidelberg, Germany
- Average high temperature in October: 15°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 October: 7.4°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 October
Heidelberg, Germany
- Average pressure in October: 1018.2mbar
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 October
Heidelberg, Germany
- Average wind speed in October: 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 October
Heidelberg, Germany
- Average humidity in October: 79%
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 October
Heidelberg, Germany
- Average rainfall in October: 31mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in October
Heidelberg, Germany
- Average rainfall days in October: 12.9 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 October
Heidelberg, Germany
- Average snowfall in October: 2mm
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 October
Heidelberg, Germany
- Average snowfall days in October: 0.1 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 October /
Average sunshine in October
Heidelberg, Germany
- Average daylight in October: 10h and 5min
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 October: 6h and 0min
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 October
Heidelberg, Germany
- Average sunshine days in October: 15.5 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 October
Heidelberg, Germany
- Average UV index in October: 3
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 October
Heidelberg, Germany
- Average cloud cover in October: 41
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 October
Heidelberg, Germany
- Average visibility in October: 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).
Heidelberg, Germany
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