Mainz
May
Weather in Mainz for May 2025
Your guide to Mainz weather in May - trends and predictions
In general, the average temperature in Mainz at the beginning of May is 18.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °C by the end of May.
Mainz experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
Is May a good time to visit Mainz? check out the best time to travel to Mainz page.
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Temperatures
Rain 🌧️
More
7
Dry days
24
Rainy days
0
Snow days
19°/10°
Temperatures
13 km/h
Avg max wind
71 %
Avg humidity
Mainz in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 16° | 3  16° | 4 18° | |||
| 5  19° | 6 18° | 7 19° | 8 16° | 9 18° | 10 18° | 11 20° |
| 12 20° | 13 20° | 14 21° | 15 19° | 16 16° | 17  16° | 18 19° |
| 19 18° | 20 19° | 21 23° | 22  22° | 23 18° | 24 16° | 25  22° |
| 26 22° | 27 21° | 28 22° | 29 21° | 30 20° | 31 22° |
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Temperatures trend during May in Mainz
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 22° /11° | 0.6 mm | 6 | |
| 2 May | Patchy rain possible | 16° /9° | 1.7 mm | 4 | |
| 3 May | Partly cloudy | 16° /6° | 1.6 mm | 4 | |
| 4 May | Partly cloudy | 18° /7° | 1.1 mm | 5 | |
| 5 May | Moderate rain at times | 19° /11° | 3.5 mm | 5 | |
| 6 May | Patchy rain possible | 18° /10° | 7.6 mm | 4 | |
| 7 May | Moderate rain at times | 19° /11° | 7.5 mm | 5 | |
| 8 May | Moderate or heavy rain shower | 16° /10° | 8.2 mm | 4 | |
| 9 May | Moderate or heavy rain shower | 18° /10° | 9.5 mm | 5 | |
| 10 May | Moderate or heavy rain shower | 18° /10° | 6 mm | 5 | |
| 11 May | Patchy rain possible | 20° /10° | 2.6 mm | 5 | |
| 12 May | Moderate rain at times | 20° /11° | 2 mm | 5 | |
| 13 May | Patchy rain possible | 20° /11° | 0.3 mm | 5 | |
| 14 May | Patchy rain possible | 21° /11° | 0.3 mm | 5 | |
| 15 May | Moderate rain at times | 19° /11° | 1.5 mm | 5 | |
| 16 May | Patchy rain possible | 16° /10° | 8 mm | 4 | |
| 17 May | Overcast | 16° /8° | 4.3 mm | 4 | |
| 18 May | Partly cloudy | 19° /8° | 0.8 mm | 5 | |
| 19 May | Overcast | 18° /9° | 4 mm | 4 | |
| 20 May | Overcast | 19° /11° | 0 mm | 5 | |
| 21 May | Partly cloudy | 23° /12° | 2 mm | 6 | |
| 22 May | Heavy rain at times | 22° /13° | 2.1 mm | 5 | |
| 23 May | Patchy rain possible | 18° /11° | 4.6 mm | 4 | |
| 24 May | Overcast | 16° /9° | 4.2 mm | 4 | |
| 25 May | Sunny | 22° /9° | 0.2 mm | 6 | |
| 26 May | Partly cloudy | 22° /11° | 1.2 mm | 6 | |
| 27 May | Sunny | 21° /10° | 1.2 mm | 5 | |
| 28 May | Sunny | 22° /10° | 0.1 mm | 6 | |
| 29 May | Partly cloudy | 21° /12° | 3.2 mm | 5 | |
| 30 May | Partly cloudy | 20° /11° | 3.1 mm | 5 | |
| 31 May | Sunny | 22° /11° | 1.2 mm | 6 | |
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Important Notice
Our weather forecast for Mainz in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mainz forecast closer to your planned date for the most up-to-date weather information.
Mainz in May - FAQ
What are the expected maximum and minimum temperatures in Mainz during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mainz during May?
Moderate rainfall is anticipated in Mainz during May, with a total of 94.53 mm spread over approximately 24 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Mainz during May?
The average wind speed in Mainz during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Mainz in May?
As you prepare for your trip to Mainz in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Mainz, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Mainz
Explore the daily rainfall trends and prepare for Mainzs May weather 💧
UV exposure in Mainz during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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