Heilbron in May

8.5out of 10

Yes, a good time to go

Mild: highs around 21°C. Very dry: about 3 rainy days.

21°CAvg high
6°CAvg low
3Rainy days (19 mm)
10:39 hDaylight
06:45Sunrise · 17:24 Sunset

Why this score

  • Mild: highs around 21°C
  • Very dry: about 3 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Comfortable walking shoes

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.3 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

27° 16° J 27° 16° F 26° 14° M 23° 10° A 21° 6° M 18° 3° J 18° 2° J 21° 5° A 25° 9° S 26° 12° O 26° 13° N 27° 15° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 27°C16°C124 mm 15– – 6.9
February 27°C16°C87 mm 12– – 7.4
March 26°C14°C81 mm 11– – 7.6
April 23°C10°C43 mm 7– – 8.2
May 21°C6°C19 mm 3– – 8.5
June 18°C3°C10 mm 2– – 8.3
July 18°C2°C6 mm 1– – 8.3
August 21°C5°C15 mm 2– – 8.6
September 25°C9°C20 mm 3– – 8.7
October 26°C12°C76 mm 10– – 7.8
November 26°C13°C98 mm 12– – 7.3
December 27°C15°C139 mm 16– – 6.6

Frequently asked questions

How hot is Heilbron in May?

Daytime highs average 21°C and nights about 6°C.

When is the best time to visit Heilbron?

The best months are September, August, May, June.