October Weather in Mainz, Germany

Last updated: February 26, 2025

October in Mainz, Germany, captivates with its pleasantly mild temperatures, peaking at a maximum of 26°C (79°F) while averaging around 11°C (52°F). As the month progresses, cooler nights can dip to a brisk 0°C (32°F), inviting cozy evenings. Despite being a relatively damp period with an average precipitation of 53 mm (2.1 in) over 11 days, the high humidity at 88% can lend an enchanting autumnal haze to the landscape. This blend of warmth and moisture makes October a unique time to experience Mainz's charming atmosphere during the heart of fall.

October Temperature in Mainz

In Mainz, Germany, October serves as a gentle transition from the warmth of summer to the cooler embrace of autumn. With temperatures ranging from a chilly 0°C (32°F) at night to a comfortable 26°C (79°F) during the day, the month showcases a delightful mix of refreshing coolness and mild afternoons. The average temperature hovers around 11°C (52°F), making it one of the more pleasant months for outdoor activities. As the leaves begin to change, October invites both locals and visitors to enjoy the crisp air and vibrant fall scenery, reminiscent of the balmy September days that preceded it. Overall, this month reflects a gradual decline in warmth, preparing the city for the colder days ahead while still offering moments of sunshine and mild weather.

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

The chart illustrates October 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.

October Precipitation in Mainz

October in Mainz, Germany, sees moderate precipitation, accumulating around 53 mm (2.1 in) over approximately 11 days. This amount reflects a slight increase compared to the drier month of September, which recorded only 45 mm (1.8 in) but fewer precipitation days. As autumn settles in, the rainfall contributes to the vibrant foliage, marking a transition towards the wetter winter months. Notably, precipitation usually peaks in December, which boasts an average of 94 mm (3.7 in), highlighting a seasonal trend of progressively heavier rains as the year draws to a close.

October Precipitation Trends in Mainz

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

October Humidity in Mainz

As autumn begins to settle in Mainz, Germany, October brings a notable increase in humidity, with levels reaching 88%. This slight uptick from September, which recorded 85%, reflects a seasonal trend where humidity typically fluctuates before plunging into the cold months of winter. Observing the year as a whole, there’s a clear pattern: humidity is highest in the winter months of January and December at 91%, while summer months show a gradual decline, with the lowest point in May at 79%. October's humidity, while higher than in the preceding months, serves as a reminder that the transitional season often yields dampness, setting the stage for the chillier, wetter days ahead.

October Average Humidity in Mainz

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

October UV Index in Mainz

As October arrives in Mainz, Germany, the UV Index shows a moderate level of 4, with a corresponding burn time of 30 minutes. This marks a slight decline from the intense levels experienced during the summer months, where the UV Index peaked at 8 in May, June, and July, indicating very high exposure risk. The trend throughout the year reveals a gradual decrease in UV radiation as we transition from the vibrant outdoor activities of late spring and summer to the cooler months. With the index now at a more manageable level, it remains crucial to be mindful of sun exposure, especially during peak hours. For more detailed information on the UV Index throughout the year, visit Mainz UV Index.

Maximum UV Index Levels in Mainz for October

The chart shows the monthly maximum UV Index (UVI) for Mainz in October, 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 October 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.

October Sunshine in Mainz

October in Mainz, Germany, brings a vivid tapestry of autumn hues along with 244 hours of sunshine, making it a pleasant month to enjoy the outdoors. As the warm glow of summer fades, the daylight hours begin their gradual decline from the peak brightness of July, which boasted 411 hours. The crispness in the air invites locals and visitors alike to revel in the beauty of falling leaves, while the sunshine remains relatively generous compared to the gray and chilly November, which only receives 168 hours. This transitional month serves as a beautiful reminder of the vibrant summer days past, as shorter daylight hours lead to cozy evenings and a shift in seasonal activities, perfectly encapsulating the charm of autumn in Mainz.

Monthly Sunshine Duration in Mainz: October Highlighted

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

Chance of Sun in Mainz During October

In Mainz, Germany, the likelihood of sunny weather begins to decline as the year progresses, with October showcasing a 28% chance of sunshine. This decrease follows a trend from the summer months, where sunshine chances hover around the 30-33% mark. As autumn takes hold, particularly in September, there’s a slight uptick to 41%, but by October, the chances dip back down, reflecting the onset of cooler temperatures and increased cloud cover typical of late fall. The shift from summer’s more inviting sunlit days to October's crisp, cloudier skies highlights the seasonal transition in Mainz, making it a time when sweater weather and occasional sunlight coexist.

Percentage of Sunny Days in October in Mainz

The chart illustrates the percentage of sunny days in Mainz throughout the year, with October 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 October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mainz in October

As October settles in Mainz, Germany, daylight begins to wane, with only 10 hours of sunlight lighting up the days. This shift marks the transition towards winter, following a peak in brightness during the summer months where June basked in an impressive 16 hours of daylight. The gradual descent from the 15 hours of May shows a definitive trend of shorter days as the year progresses, with light dwindling to 12 hours by September. The October sun, while still bright, serves as a poignant reminder of the impending longer nights ahead, nudging the city closer to the cozy embrace of winter with each passing day.

Average Daylight Hours in Mainz for October

The chart illustrates the variation in daylight duration in Mainz throughout the year, with October 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.

October Winds in Mainz

As October unfolds in Mainz, Germany, the gentle whispers of the wind carry a hint of change, with an average speed of 2.7 m/s (6 mph). This mild breeze marks a slight increase from the calm of September, where wind speeds dipped to their annual low of 2.1 m/s (5 mph). It's a transitional month, mirroring the subtle shifts in temperature and foliage, and sets the stage for the season's cozier vibes. Interestingly, while October’s winds are not the strongest of the year, they maintain a balance, consistent with the month of April, which also carries winds at 2.7 m/s (6 mph). As autumn fully embraces the landscape, the October wind serves as a reminder of nature's rhythm, offering a refreshing backdrop to the picturesque streets of Mainz.

Average October Wind Speed in Mainz

The chart displays monthly wind speed patterns in Mainz, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.93.02.73.42.22.42.62.12.7 m/s2.42.7
Data source: Mainz October wind data, generated using information from the Copernicus Climate Change Service.

How October 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 October'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.

In October, the weather is generally milder with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F) and an average temperature of 11°C (52°F). The month sees about 53 mm (2.1 in) of precipitation over 11 days, accompanied by a humidity level of 88%. In contrast, January experiences much colder temperatures, with a minimum of -9°C (15°F) and a maximum of 13°C (55°F), resulting in an average temperature of only 2°C (37°F). Although January has a similar number of precipitation days (11) and slightly higher precipitation at 56 mm (2.2 in), the humidity is slightly higher at 91%. For more information, you can check Mainz weather in January.

October and February present contrasting weather conditions. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 11°C (52°F). The month sees around 53 mm (2.1 in) of precipitation over approximately 11 days, accompanied by a high humidity level of 88%. In contrast, February experiences colder temperatures, with a minimum of -11°C (13°F) and a maximum of 18°C (65°F), averaging just 4°C (39°F). Precipitation remains similar at 52 mm (2.0 in) over the same number of days, but humidity is slightly higher at 89%. For a detailed look at February weather, visit Mainz weather in February.

October and March exhibit contrasting weather patterns, with October generally offering milder temperatures and more varied conditions. In October, the average temperature reaches 11°C (52°F), peaking at a comfortable 26°C (79°F), whereas March presents cooler temperatures, averaging 6°C (44°F) and reaching a maximum of 22°C (72°F). Precipitation is slightly higher in March at 63 mm (2.5 in) over 13 days, compared to October's 53 mm (2.1 in) over 11 days. Both months feature high humidity, with October at 88% and March at 87%. For more details on March weather, check out Mainz weather in March.

October and April present distinct yet sometimes overlapping weather characteristics. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average temperature of 11°C (52°F). The month also experiences higher humidity at 88% and more precipitation, totaling 53 mm (2.1 in) over 11 days. In contrast, April typically has cooler minimum temperatures, dropping to -4°C (26°F), while the maximums reach a similar high of 27°C (80°F), with an average of 10°C (50°F). This month is relatively drier, with only 34 mm (1.3 in) of precipitation over 7 days, and a slightly lower humidity of 83%. For more insights on April weather, check out Mainz weather in April.

When comparing the weather in October and May, one can see notable differences in temperature and precipitation patterns. October features a cooler average temperature of 11°C (52°F), fluctuating between a minimum of 0°C (32°F) and a maximum of 26°C (79°F). In contrast, May enjoys a warmer average of 14°C (57°F), with temperatures ranging from 0°C (32°F) to a high of 32°C (90°F). Additionally, October experiences lower rainfall, with 53 mm (2.1 in) over approximately 11 days, while May sees higher precipitation at 71 mm (2.8 in) spread across about 12 days. Humidity levels also vary slightly, being higher in October at 88% compared to May's 79%. For more detailed information, you can check the Mainz weather in May.

October and June showcase distinct weather patterns, highlighting the transition from warmth to cooler temperatures. In June, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 36°C (97°F), culminating in an average of 19°C (67°F), while October cools down with a minimum of 0°C (32°F) and a maximum of 26°C (79°F), averaging 11°C (52°F). Precipitation is slightly higher in June at 76 mm (3.0 in) compared to October's 53 mm (2.1 in), with both months experiencing rain on about 11 days. Interestingly, October has a higher humidity level at 88%, whereas June's is slightly lower at 82%. For more detailed insights on June’s climate, check out Mainz weather in June.

In comparison to July, October exhibits a cooler temperature range, with minimums dipping to 0°C (32°F) and average highs reaching only 26°C (79°F). In contrast, July enjoys much warmer weather, with minimums of 8°C (47°F) and highs soaring up to 39°C (103°F). While October experiences more humidity at 88%, July is slightly lower at 83%. Precipitation is also notable in both months, with October receiving 53 mm (2.1 in) and July a bit more at 64 mm (2.5 in), both having precipitation on approximately 11 days. For more detailed information on July weather, you can visit Mainz weather in July.

October and August exhibit distinct weather characteristics, reflecting the transition from summer to autumn. In August, temperatures are notably warmer, with a minimum of 7°C (44°F) and an average of 20°C (68°F), peaking at 36°C (96°F). This warm weather is complemented by slightly lower humidity at 84%. In contrast, October experiences cooler temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), with an average of 11°C (52°F). The month also brings higher humidity at 88% and slightly less precipitation, totaling 53 mm (2.1 in) over 11 days compared to August's 60 mm (2.3 in) over 12 days. For a detailed look at the August weather, you can visit Mainz weather in August.

The weather in October presents a noticeable shift compared to September. October experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 11°C (52°F), while September boasts a milder minimum of 3°C (37°F) and a higher average of 16°C (61°F). The maximum temperatures also decrease significantly, dropping from 33°C (91°F) in September to a peak of 26°C (79°F) in October. Precipitation rises slightly in October, totaling 53 mm (2.1 in) over 11 days, compared to September's 45 mm (1.8 in) over 7 days, while humidity remains relatively similar at 88% in October and 85% in September. For more detailed information, you can check Mainz weather in September.

October typically presents milder temperatures, with averages around 11°C (52°F) and a maximum reaching up to 26°C (79°F), while November sees a drop in average temperature to 6°C (43°F) and a maximum of 21°C (70°F). Despite both months experiencing approximately 11 days of precipitation, October tends to have slightly more rainfall at 53 mm (2.1 in), compared to November's 47 mm (1.9 in). Additionally, humidity levels remain high in both months, but November edges out slightly with 89% compared to October's 88%. For more detailed information, check Mainz weather in November.

October and December present notably different weather patterns. In October, temperatures range from a chilly 0°C (32°F) at night to a warm 26°C (79°F) during the day, with an average of 11°C (52°F). The month sees about 53 mm (2.1 in) of precipitation over approximately 11 days, with humidity levels at 88%. In contrast, December experiences colder temperatures, with a minimum of -6°C (21°F), an average of 4°C (39°F), and a maximum of 14°C (58°F). Precipitation increases to 94 mm (3.7 in) across 17 days, and humidity rises slightly to 91%. For more details on December weather, you can check Mainz weather in December.

Compare Mainz's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Mainz

As October unfolds in Mainz, the weather shifts noticeably from the warmth of summer to the crisp embrace of autumn. Daytime temperatures can reach a pleasant 26°C (79°F), yet the average settles around a cool 11°C (52°F), while chilly nights may drop to their lowest of the year at 0°C (32°F). This month also brings a bit of dampness, with around 53 mm (2.1 in) of rainfall spread over approximately 11 days, leading to a high humidity level of 88% that adds a refreshing edge to the air. Compared to previous months, October’s transitional climate encourages cozy layers and vibrant fall activities, inviting residents and visitors alike to indulge in the seasonal change. For a deeper dive into Mainz's diverse weather patterns throughout the year, explore the detailed insights found in Mainz Climate.