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Hannover in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Hannover in May will be like? Take a look at our weather guide for Hannover, based on historical data.
Check flight prices to Hannover on Avionero:
May

Weather in Hannover in May 2025

Good Weather
Mild
🌧️
Rainy
Planning a trip to Hannover in May? You are in luck! The weather is generally good, with an average maximum temperature of +18°C and approximately 7 sunny days. Just be prepared for some rain, as there are usually around 16 rainy days and 62 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+18°C
Avg. max. temperature
-1°C
Min.
+32°C
Max.
62 mm
Total precipitation
71%
Avg. humidity
2 m/s
Avg. wind
7 ☀️
Sunny Days
7 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Hannover has good weather in May.

Average temperature in Hannover in May

Here are the expected maximum, average and minimum temperatures in Hannover for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +27°C during the day to a minimum of +3°C during the night, the temperature in May averages around +19°C.

The average maximum temperature goes up 21% by the end of the month, compared with the beginning of the month, from +21°C to +26°C.

Is Hannover warm or cold in May?

Hannover is typically mild in May.

Maximum temperatures go up compared to the previous month from +14°C to +18°C. The minimum temperature also goes up from +5°C to +8°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Hannover:

Climate in Hannover in May

Hannover weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+14°C+18°C+21°C
Min. temperature
-7°C-1°C+4°C
Max. temperature
+27°C+32°C+35°C
Rainfall
52 mm62 mm71 mm
Wind
3 m/s2 m/s2 m/s
Humidity
71%71%72%
Air pressure
1014 HPa1014 HPa1015 HPa
Sunny days
675
Cloudy days
776
Rainy days
161616
Snowy days
100

May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +14°C to +18°C during the day. Prepare for more rain. Average rainfall goes from 52 mm to 62 mm. Humidity levels don’t change as the month goes on, averaging around 71%. Winds are calmer in comparison to April, going down from 3 m/s to 2 m/s on average. The good news is there are likely to be more sunny days in May, from 6 to 7.

June brings much the same weather, it remains good.

Wind

Wind speed in Hannover in May based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Hannover is gradually increasing during May, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Hannover based on historical data.
Last Year
Historical Data
Typically, there is a 29% chance of rain on an average day in May, with total rainfall of approximately 34 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. On average, there are about 9 rainy days during May, so prepare to bring an umbrella.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Hannover wettest month is July, where a typical day has a 58% chance of precipitation and 76 mm of rainfall per day. February, on the other hand, is the driest month with a mere 31% chance of precipitation and 38 mm of rainfall per day.

How was the weather last May in Hannover?

This is the weather in Hannover in May 2023:
1 May
☀️
+21°C
2 May
☁️
+13°C
3 May
☀️
+16°C
4 May
☀️
+19°C
5 May
☀️
+19°C
6 May
☁️
+20°C
7 May
☁️
+15°C
8 May
☀️
+20°C
9 May
☀️
+22°C
10 May
🌧️
+18°C
11 May
🌧️
+16°C
12 May
☀️
+23°C
13 May
☀️
+22°C
14 May
☀️
+21°C
15 May
☀️
+20°C
16 May
☁️
+15°C
17 May
☁️
+15°C
18 May
☀️
+17°C
19 May
☀️
+19°C
20 May
☀️
+18°C
21 May
☀️
+26°C
22 May
☀️
+27°C
23 May
☁️
+16°C
24 May
☁️
+15°C
25 May
☁️
+18°C
26 May
☀️
+20°C
27 May
☀️
+21°C
28 May
☀️
+24°C
29 May
☀️
+21°C
30 May
☀️
+20°C
31 May
☀️
+26°C
In May 2023 Hannover had 21 sunny days, 8 cloudy days, and 2 rainy days. The average maximum temperature was +19°C, with an absolute maximum of +27°C and a minimum of +13°C. The average humidity was 70%, with a maximum of 100% and a minimum of 33%. The average wind speed was 3 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Hannover climate have been changing during last 43 years period.

The climate in Hannover in May has not changed much over the last 43 years.

The average temperature was the lowest in 1987 (+11°C) and the highest in 2022 (+16°C). The driest year was 2018 with only 502 mm of rainfall, and the wettest year was 2023 with 1067 mm.

FAQ

Frequently asked questions about the weather in Hannover in May:

Is May a good time to visit Hannover?

May is a really good time to go to Hannover. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Hannover.

Can you sunbathe in Hannover in May?

May has mild temperatures in Hannover. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Hannover rainy in May?

Hannover is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Hannover in May?

Usually, it’s not very sunny in Hannover in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Germany

Check out the weather for other cities in Germany.

Monthly weather in Hannover

Source of the data

For this page, we’ve looked at the typical weather in Hannover, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.