Weather in Mainz for August 2026
An exceptional deviation from the historical average is forecasted for first days of August 2026 in Mainz with the forecasted temperature being 29.7 °C, much lower than usual.
In general, the average temperature in Mainz at the beginning of August is 29.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.6 °C by the end of August.
Mainz in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 67.1 mm.
Is August a good time to visit Mainz? check out the best time to travel to Mainz page.
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Mainz Weather August
Temperatures trend during August in Mainz
August weather in Mainz day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 37° /23° | 0 mm | 9 | |
| 2 Aug. | Sunny | 39° /23° | 0 mm | 9 | |
| 3 Aug. | Sunny | 38° /23° | 1.1 mm | 9 | |
| 4 Aug. |  Moderate or heavy rain shower | 23° /15° | 4.9 mm | 5 | |
| 5 Aug. |  Patchy rain possible | 25° /15° | 2 mm | 6 | |
| 6 Aug. |  Heavy rain at times | 22° /13° | 2.4 mm | 5 | |
| 7 Aug. | Moderate rain at times | 24° /14° | 2.4 mm | 6 | |
| 8 Aug. |  Overcast | 25° /14° | 0.1 mm | 6 | |
| 9 Aug. | Heavy rain at times | 27° /17° | 4.3 mm | 6 | |
| 10 Aug. | Sunny | 26° /15° | 0 mm | 7 | |
| 11 Aug. | Sunny | 29° /17° | 0 mm | 7 | |
| 12 Aug. | Sunny | 31° /19° | 4.5 mm | 7 | |
| 13 Aug. | Moderate rain at times | 32° /20° | 1.7 mm | 7 | |
| 14 Aug. | Patchy rain possible | 30° /20° | 0.4 mm | 7 | |
| 15 Aug. | Heavy rain at times | 30° /20° | 2.3 mm | 7 | |
| 16 Aug. | Patchy rain possible | 29° /19° | 4.1 mm | 7 | |
| 17 Aug. |  Cloudy | 26° /17° | 3.9 mm | 6 | |
| 18 Aug. |  Partly cloudy | 26° /17° | 0.5 mm | 6 | |
| 19 Aug. | Patchy rain possible | 29° /17° | 0.1 mm | 7 | |
| 20 Aug. | Partly cloudy | 29° /19° | 0.1 mm | 7 | |
| 21 Aug. | Cloudy | 26° /17° | 0 mm | 7 | |
| 22 Aug. | Sunny | 26° /15° | 0 mm | 7 | |
| 23 Aug. | Sunny | 25° /15° | 0 mm | 6 | |
| 24 Aug. | Patchy rain possible | 27° /16° | 0.3 mm | 7 | |
| 25 Aug. | Partly cloudy | 25° /16° | 0.9 mm | 6 | |
| 26 Aug. | Light rain shower | 25° /15° | 1.1 mm | 5 | |
| 27 Aug. | Light rain shower | 25° /16° | 1 mm | 6 | |
| 28 Aug. | Patchy rain possible | 24° /15° | 2.6 mm | 5 | |
| 29 Aug. | Light rain shower | 25° /16° | 2.4 mm | 6 | |
| 30 Aug. | Cloudy | 24° /15° | 1.5 mm | 6 | |
| 31 Aug. | Partly cloudy | 24° /14° | 1.8 mm | 6 | |
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Mainz weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 26°/16° | 26°/17° | 21°/14° |
| Rainfall | 70 mm | 67 mm | 65 mm |
| Wind | 14.5 km/h | 12.8 km/h | 13.6 km/h |
| Humidity | 59% | 60% | 64% |
| Rainy days | 22 days | 20 days | 17 days |
| Dry days | 9 days | 11 days | 13 days |
Planning a trip to Mainz? Discover the best time to visit
Mainz in August - FAQ
What are the expected maximum and minimum temperatures in Mainz during August?
How much rainfall should be expected in Mainz during August?
What are the typical wind conditions in Mainz during August?
August rainfall patterns in Mainz
UV exposure in Mainz during August
What to pack to Mainz in August?
Warm & sunny · highs around 26 °C, frequent showers
As you prepare for your trip to Mainz in August, 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 August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Mainz?Get accurate weather forecasts for Mainz, located at latitude 49.984 and longitude 8.279. Stay updated with localized weather information tailored for Mainz.