Baden-Württemberg · Germany

Heilbronn in April

In April, Heilbronn averages a daytime high of 16 °C and a night-time low of 5 °C, with about 39 mm of rain over the month. It falls outside Heilbronn's most comfortable months, May to September.

Average high
16 °C
Average low
5 °C
Rain in the month
39 mm
Daylight on 15 Apr
13 h 40 min
Comfortable month
No
Places to stay
107

When to go

How April compares with the rest of the year in Heilbronn

April is the 6th warmest month in Heilbronn by average daytime high; across the year the highs run from 4 °C to 25 °C and the lows from -2 °C to 14 °C. By day, April is 5 °C warmer than March, and May is 4 °C warmer than April.

April brings 39 mm of rain, less than the monthly average of 55 mm (665 mm a year); it is tied for the driest month.

On 15 April the sun is up for about 13 h 40 min, against 8 h 10 min at the shortest and 16 h 10 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

-2°14°30°JanFebMarAprMayJunJulAugSepOctNovDec100 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January4 °C-2 °C43 mm8 h 40 min
February6 °C-1 °C39 mm10 h 10 min
March11 °C1 °C44 mm11 h 50 min
April16 °C5 °C39 mm13 h 40 min
May20 °C9 °C70 mm15 h 20 minYes
June24 °C12 °C74 mm16 h 10 minYes
July25 °C14 °C76 mm15 h 50 minYes
August25 °C14 °C70 mm14 h 20 minYes
September20 °C9 °C50 mm12 h 30 minYes
October15 °C6 °C56 mm10 h 40 min
November9 °C2 °C51 mm9 h
December5 °C-1 °C54 mm8 h 10 min

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is April a good time to visit Heilbronn?

Not by the measure used here: the average high of 16 °C is below 18 °C. The comfortable months in Heilbronn are May to September; the nearest are September, before, and May, after.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in Germany in April

Nationwide public holidays; shops and offices may close on these dates.

3 Apr 2026 · Good Friday6 Apr 2026 · Easter Monday

Where to stay

Where to stay in Heilbronn

This guide lists 107 places to stay in Heilbronn, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 4; 1–3 km, 1; 3–10 km, 37; 10 km or more, 65.

← Heilbronn in MarchHeilbronn in May →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from the OpenHolidays API (ODbL); places to stay from each operator's own public pages and Wikidata. How this guide is made.