August Weather in Mainz, Germany

Last updated: February 26, 2025

In August, Mainz, Germany, experiences a vibrant tapestry of weather, where temperatures can peak at a sweltering 36°C (96°F) yet maintain a delightful average of 20°C (68°F). The month is marked by a minimum chill of 7°C (44°F), making for warm days and cool nights. Rainfall adds a refreshing touch to the summer warmth, with an average precipitation of 60 mm (2.3 in) over 12 days, contributing to a relative humidity of 84%. Whether basking in the sun or enjoying a brief summer shower, August in Mainz offers a unique blend of experiences for both residents and visitors alike.

August Temperature in Mainz

In August, Mainz experiences warm and inviting weather, making it one of the most enjoyable months of the year. With minimum temperatures hovering around 7°C (44°F) and an average of 20°C (68°F), residents and visitors alike relish the summer's final flourish. The city's maximum temperature can reach a sizzling 36°C (96°F), providing ample opportunity for outdoor activities and social gatherings. This trend of warm weather, building from the hotter months of July and June, peaks in August before gradually transitioning into the milder temperatures of September. Thus, August stands out as a vibrant month, rich in warmth and activity, bridging the gap between summer and autumn in Mainz.

August Weather in Mainz: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Mainz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363943505767686860524239
Data source: Temperature data for Mainz generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Mainz

In August, Mainz experiences a vibrant mix of summer and rain, with precipitation measuring around 60 mm (2.3 in) over approximately 12 days. This level of rainfall aligns closely with July's, reflecting a relatively stable climate experienced throughout the peak summer months. Interestingly, the total precipitation in August is slightly lower than that of May and June, which are typically wetter. As the month progresses, the added moisture sets the stage for the transition into fall, where rainfall begins to taper off in September. Overall, August's precipitation serves as a gentle reminder of the shift from summer heat to the cooler, crisper days that lie ahead.

August Precipitation Trends in Mainz

The chart displays monthly precipitation patterns in Mainz, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec565263347176646045544794
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mainz

In August, Mainz experiences a moderate humidity level of 84%, which reflects a subtle trend of increasing moisture as the summer peaks. Following the warmer, sunnier months of July with 83% humidity, August shows a slight uptick, indicating a gradual transition towards the more humid fall months. Although the levels drop significantly from the winter's high of 91% in January, the overall trend displays a consistent yearly pattern, with humidity remaining relatively elevated compared to the spring months where values dip to 79% in May. As the summer heat starts to wane, August’s humidity sets the stage for the humid conditions that follow in September, making it a transitional yet crucial month in Mainz's climatic rhythm.

August Average Humidity in Mainz

This chart illustrates the average monthly humidity levels in Mainz, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Mainz

In August, Mainz experiences a UV Index of 7, indicating a high exposure category that requires attention to sun safety. As summer reaches its peak, the burn time decreases to 25 minutes, reflecting a slight reduction from the intense levels seen in the previous months of May, June, and July, all of which maintained a very high UV Index of 8 and a brief 15-minute burn time. This trend highlights an important shift as August transitions towards the cooler months, yet it remains essential to protect your skin from potential sunburn during outdoor activities. For more detailed insights on UV levels throughout the year, visit Mainz UV Index.

Maximum UV Index Levels in Mainz for August

The chart shows the monthly maximum UV Index (UVI) for Mainz in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec234588875421
Data source: Mainz August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Mainz

August in Mainz, Germany, is a delightful culmination of the sun-soaked summer months, boasting 383 hours of sunshine. This marks a slight decline from the peak sunshine seen in July, which recorded a vibrant 411 hours. As the city enjoys the warmth of August, residents bask in the abundant light, reveling in the city's outdoor charm before the gradual shift into the cooler autumn months. The summer sun dims as September approaches, dropping to 318 hours, yet August remains a bright highlight in the year, bridging the gap between the fervor of summer and the cooler embrace of fall. Overall, Mainz exhibits a clear upward trend in sunshine hours from winter to summer, peaking in the heart of the season and gradually tapering as the year progresses.

Monthly Sunshine Duration in Mainz: August Highlighted

The August sunshine duration represents the total number of hours Mainz experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec108h201h264h344h382h391h411h383h318h244h168h122h
Data source: Mainz August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mainz During August

In August, the likelihood of sunny weather in Mainz, Germany stands at 30%, which reflects a slight decline compared to the more promising months of March and April, boasting 45% and 44% chances, respectively. As summer reaches its peak in July, the sunshine probability remains steady at 33%, hints at a trend of fluctuating sunshine as the seasons transition. Following August, the chances of seeing clear skies improve in September to 41%, suggesting a potential resurgence of sunny days as autumn approaches. Overall, while August might not promise extensive sunshine, it serves as a bridge between the bright summer months and the mellow beginnings of fall in Mainz.

Percentage of Sunny Days in August in Mainz

The chart illustrates the percentage of sunny days in Mainz throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Mainz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%33%45%45%31%33%34%30%41%28%17%14%
Data source: Mainz August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mainz in August

In Mainz, Germany, August marks the tail end of the vibrant summer, with an impressive 14 hours of daylight illuminating the city. This gradual decrease in sunlight is part of a clear seasonal trend; from the longest days of June, featuring 16 hours of daylight, the hours start to taper as autumn approaches. July maintains a robust 15 hours, but by August, there's a noticeable shift as daylight wanes, leading into the cooler months. This decline continues into September with 12 hours, indicating the onset of fall and shorter days. The rhythm of daylight in Mainz beautifully captures the transition from the blooming energy of summer to the cozier, more reflective atmosphere of autumn.

Average Daylight Hours in Mainz for August

The chart illustrates the variation in daylight duration in Mainz throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 37m10h 5m11h 55m13h 47m15h 25m16h 15m15h 49m14h 21m12h 33m10h 41m9h 1m8h 9m
Data source: Mainz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Mainz

In August, Mainz experiences a gentle shift in wind patterns, with an average speed of 2.6 m/s (6 mph), slightly higher than the calmest summer months of June and July. This light breeze offers a refreshing respite as the city embraces the warm summer days. Notably, August stands out against the backdrop of the preceding months, showcasing a gradual decline from May's peak of 3.4 m/s (8 mph). As the summer winds down, this moderate wind speed signals a transition toward the autumn months, where the overall trend indicates a gradual decrease, culminating in the slower gusts of September at 2.1 m/s (5 mph). The evolving breezes of August in Mainz create an inviting atmosphere, perfect for leisurely strolls along the Rhine.

Average August Wind Speed in Mainz

The chart displays monthly wind speed patterns in Mainz, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.93.02.73.42.22.42.6 m/s2.12.72.42.7
Data source: Mainz August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Mainz Compares to Other Months

The weather in Mainz changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Mainz and find detailed weather information for every month.

August and January exhibit stark contrasts in weather conditions. In August, temperatures range from a brisk 7°C (44°F) at night to a sweltering 36°C (96°F) during the day, with an average of 20°C (68°F). The month also experiences high humidity levels at 84% and sees about 60 mm (2.3 inches) of precipitation over 12 days. In contrast, January presents a significantly colder climate, with temperatures dropping as low as -9°C (15°F) and peaking at a modest 13°C (55°F), averaging only 2°C (37°F). This winter month has slightly less precipitation at 56 mm (2.2 inches) spread over 11 days but is accompanied by a higher humidity of 91%. For a detailed look at the winter conditions, you can check Mainz weather in January.

August and February present strikingly different weather patterns. August typically offers warmer temperatures, with averages around 20°C (68°F) and highs reaching up to 36°C (96°F), contrasted by February's chilly average of 4°C (39°F) and maximums of 18°C (65°F). Precipitation levels are also notable; August sees about 60 mm (2.3 in) over 12 days, while February has slightly less at 52 mm (2.0 in) over 11 days. Additionally, humidity is high in both months, with August at 84% and February slightly higher at 89%. For more detailed insights, you can check Mainz weather in February.

August and March present strikingly different weather patterns. In August, temperatures range from a mild 20°C (68°F) on average to a scorching maximum of 36°C (96°F), making it one of the warmest months of the year. In contrast, March offers a much cooler climate, with average temperatures hovering around 6°C (44°F) and dipping as low as -11°C (13°F). Both months experience a similar amount of precipitation, with 60 mm (2.3 in) in August and 63 mm (2.5 in) in March, but the latter sees more days of rainfall with 13 days of precipitation compared to August's 12 days. Additionally, humidity levels are notably high in both months, at 84% in August and 87% in March, contributing to the overall feel of each season. For more detailed information, check out Mainz weather in March.

When comparing the weather in August and April, it's clear that August brings much warmer temperatures, with averages reaching around 20°C (68°F) and maximums soaring to 36°C (96°F). In contrast, April has a cooler average temperature of 10°C (50°F) and maxes out at 27°C (80°F), making it a much chillier month overall. Additionally, August experiences more precipitation, with 60 mm (2.3 in) over approximately 12 days, while April is drier with only 34 mm (1.3 in) across 7 days. Humidity levels are quite similar in both months, hovering around 84% in August and 83% in April. For more detailed insights, you can check out Mainz weather in April.

When comparing the weather in August to that in May, a notable contrast emerges in both temperature and precipitation. August boasts a broader temperature range, with minimums of 7°C (44°F) and maximums soaring to 36°C (96°F), leading to an average of 20°C (68°F). In contrast, May experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 32°C (90°F), resulting in a more moderate average of 14°C (57°F). While August has lower precipitation at 60 mm (2.3 in) over 12 days, May sees a slightly higher precipitation level of 71 mm (2.8 in) over the same duration. Humidity levels are also high in both months, with August at 84% and May at 79%, contributing to the overall feel of the respective seasons. For more detailed insights, check Mainz weather in May.

When comparing the weather in June and August, both months exhibit warm temperatures with a similar temperature range, peaking at a maximum of 36°C (97°F) in June and 36°C (96°F) in August. June tends to be slightly cooler on average, with an average temperature of 19°C (67°F), compared to August's 20°C (68°F). Precipitation levels are notably higher in June, totaling 76 mm (3.0 in) over 11 days, whereas August sees 60 mm (2.3 in) across 12 days. Humidity remains quite high in both months, with August averaging 84% and June at 82%. For more detailed information, you can check Mainz weather in June.

When comparing the weather of August and July, we see some interesting similarities and differences. In August, temperatures range from a minimum of 7°C (44°F) to a maximum of 36°C (96°F), with an average temperature of 20°C (68°F). Conversely, July experiences slightly higher temperatures, with a minimum of 8°C (47°F), an average of 20°C (69°F), and a maximum of 39°C (103°F). Both months see comparable levels of precipitation, with August receiving 60 mm (2.3 in) over 12 days and July experiencing 64 mm (2.5 in) over 11 days. Interestingly, humidity remains quite high in both months, at 84% for August and 83% for July, contributing to a muggy atmosphere. For more detailed insights into July's weather, you can visit Mainz weather in July.

August typically experiences warmer weather compared to September, with average temperatures reaching 20°C (68°F) and maximums soaring up to 36°C (96°F). In contrast, September sees cooler conditions, with an average temperature of 16°C (61°F) and maximums of only 33°C (91°F). Additionally, August has higher precipitation levels, recording 60 mm (2.3 in) over 12 days, while September sees a reduction to 45 mm (1.8 in) over just 7 days. Humidity levels remain quite similar, with August at 84% and September slightly higher at 85%. For more detailed insights, you can check Mainz weather in September.

August experiences much warmer temperatures, with daily averages around 20°C (68°F) and maximums reaching up to 36°C (96°F). In contrast, October brings cooler weather, with average temperatures dropping to 11°C (52°F) and maximums around 26°C (79°F). While both months see a fair amount of precipitation, August records 60 mm (2.3 in) over 12 days, compared to October’s 53 mm (2.1 in) over 11 days. Furthermore, humidity levels are slightly higher in October at 88% compared to August's 84%. For more details, you can check Mainz weather in October.

August weather tends to be much warmer and more humid compared to November. In August, temperatures can soar to a maximum of 36°C (96°F), with an average of 20°C (68°F), while November sees a much cooler maximum of 21°C (70°F) and an average of just 6°C (43°F). Additionally, August experiences higher humidity levels at 84%, although November is not far behind at 89%. Precipitation is also slightly greater in August, with 60 mm (2.3 in) over 12 days, compared to November's 47 mm (1.9 in) over 11 days. For more specific details about the weather in November, check out Mainz weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 36°C (96°F), with an average of 20°C (68°F). The month experiences around 60 mm (2.3 inches) of precipitation over approximately 12 days, accompanied by high humidity levels of 84%. In contrast, December's temperatures drop significantly, with a minimum of -6°C (21°F) and a maximum of 14°C (58°F), averaging just 4°C (39°F). Precipitation increases to 94 mm (3.7 inches) across 17 days, and humidity levels rise to 91%. For more details on what to expect during the colder months, visit Mainz weather in December.

Compare Mainz's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Mainz

August in Mainz brings a notable shift in temperature and humidity, with warm days that can peak at a sizzling 36°C (96°F). Unlike the milder earlier months, the average temperature hovers around a comfortable 20°C (68°F), while nighttime can dip significantly, reaching as low as 7°C (44°F). With higher humidity levels at 84%, the air feels noticeably different, contributing to the summer atmosphere that many enjoy. However, the month also witnesses around 12 days of rainfall, totaling approximately 60 mm (2.3 in), making August a month of contrast between sunny spells and refreshing showers. For those interested in more detailed weather patterns throughout the year, visit Mainz Climate.