The climate in Heilbron during April can be summarized as mild and reasonably dry.
April is in the fall / autumn in Heilbron and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 9°C (47°F) is normal.
Daytime temperature | 23.1°C 73.5°F |
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Nightly temperature | 8.6°C 47.4°F |
Average temperature | 15.8°C 60.4°F |
Daily sunshine | 8.7 hrs |
Avg rainfall | 51 mm 2 ins |
Rainy days | 8 days |
Sea temperature | 23.3°C 73.9°F |
Humidity | 65% |
Windspeed | 7.2kph 5 mph |
On average April is the 6th driest month of the year in Heilbron with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Heilbron in April 2025.
Hottest month: | January | 27.9°C 82.2°F |
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Driest month: | July | 7mm 0.3ins |
Sunniest month: | August | 10.7hrs |
Coldest month: | June | 16.9°C 62.4°F |
Wettest month: | January | 118mm 4.6ins |