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Hanover in May sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 65 mm (2.6 in) on average, so pack waterproofs just in case.
If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Hanover.
Pick a month to see the average temperature, rainfall and sunshine in Hanover - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Hanover typically rise from around 16°C (61°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Browse day-by-day weather records for Hanover spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Hanover from 1994 through 2026.
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Hanover climate overview or explore weather in Germany.
Where to go in May - average daytime high across popular destinations.
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