Last updated: February 26, 2025
In Mainz, Germany, July showcases a striking mix of warm temperatures and occasional rain. The city experiences a maximum temperature soaring to 39°C (103°F), while the average temperature hovers around a pleasant 20°C (69°F). However, temperatures can dip to a refreshing 8°C (47°F) during the night. This month sees 64 mm (2.5 in) of precipitation across approximately 11 days, contributing to a relatively high humidity level of 83%. Whether basking in the sun or enjoying the cooler evenings, Mainz offers a vibrant summer climate that enchants both residents and visitors alike.
In July, Mainz, Germany, experiences some of its warmest temperatures of the year, with minimums around 8°C (47°F) and averages reaching 20°C (69°F). The city can occasionally sizzle under the heat, with maximums soaring to a sweltering 39°C (103°F), making it the peak of summer. This month marks a significant shift from the chilly winter months, where temperatures can dip as low as -11°C (13°F) in February. As the city transitions from the mild days of June, where temps hover around 19°C (67°F) on average, July’s warmth invites residents and visitors alike to bask in the sunshine, enjoy outdoor festivities, and embrace the vibrant atmosphere of this historic location.
In July, Mainz experiences a balanced mix of warmth and moisture, with 64 mm (2.5 in) of precipitation falling over 11 days. This is a slight dip from June's higher totals, yet still significant enough to sustain the lush greenery typical of summer. Notably, July's precipitation levels continue the trend of moderate rainfall that peaks in December with 94 mm (3.7 in), while the summer months generally hover around the mid-60s mm range. As the city transitions into August, the precipitation remains steady at 60 mm (2.3 in), suggesting a consistent summer pattern that nurtures the vibrant landscapes of Mainz, making it an inviting destination for both residents and visitors alike.
In Mainz, Germany, July brings a humidity level of 83%, slightly higher than the preceding month but consistent with the overall trend of summer. As spring transitions to summer, humidity levels show a gradual decrease from January's peak of 91%, reaching their lowest at 79% in May. After June's brief uptick to 82%, July stabilizes at an average humidity, followed by a slight rise in August. This pattern illustrates the shifting climate dynamics of the seasons, with humidity values generally fluctuating throughout the year but maintaining a comfortable range during the summer months. As the year progresses into autumn, humidity begins to climb once more, echoing the cyclical nature of Mainz's weather.
In July, Mainz experiences a very high UV Index of 8, mirroring the intense sun exposure seen in the preceding months of May and June. This peak level signals a critical need for sun protection, with a rapid burn time of only 15 minutes. As summer unfolds, the UV Index begins to exhibit a steady decline, transitioning to high levels in August, which still necessitates vigilance against skin damage. Overall, the trend throughout the summer months highlights a significant increase in UV intensity, encouraging residents and visitors to stay informed and proactive about sun safety. For more detailed information, see the Mainz UV Index.
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In July, Mainz basks in an impressive 411 hours of sunshine, embracing the peak of summer and offering residents and visitors alike a golden opportunity to enjoy the outdoors. This vibrant month continues the upward trend in sunlight that starts in January with a modest 108 hours, gradually increasing each month. By the time spring arrives, the days grow longer and brighter, culminating in the sunlight-rich days of July. Following this peak, August sees a slight decrease, with 383 hours of sunshine, suggesting that while summer lingers, the heights of July gradually give way to the richness of autumn. This trend beautifully illustrates the seasonal rhythm of Mainz, where each month brings its unique blend of light and warmth.
In Mainz, Germany, July typically sees a 33% chance of sunny weather, aligning with the sunniest months of the year, albeit not the highest. This likelihood remains consistent with June's 33% and slightly higher than the rainy months of May and August, which drop to 31% and 30% respectively. The summer months begin to show a modest increase from the drearier early months, where January sees just 12% sunshine. As the year progresses towards autumn, the chances of sunshine fluctuate but generally remain around the 30-41% range. This trend illustrates that while July offers decent prospects for sunshine, planning outdoor activities might still require a backup plan as variability remains a characteristic of the regional climate.
In Mainz, Germany, July shines brightly with approximately 15 hours of daylight, marking a slight decrease from the peak of 16 hours in June. This gradual decline in daylight hours hints at the transition towards late summer, yet it remains significantly longer than the winter months. As the year progresses from the depths of winter’s 8 hours in January to the vibrant days of July, the trend showcases an upward trajectory until June, where daylight is at its zenith. Following July, August continues the trend with 14 hours, before gently tapering off into fall. This rhythm reflects the natural cadence of the seasons, inviting residents and visitors alike to savor the long summer evenings before they become a cherished memory as autumn looms.
In July, Mainz experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), which is slightly lower than the previous month. This aligns with a general trend observed during the summer months, where wind speeds tend to be at their most subdued, dipping from a peak in May at 3.4 m/s (8 mph). As the city basks in warm weather, the softer winds of July contribute to a calm, leisurely atmosphere, perfect for enjoying outdoor activities along the beautiful Rhine River. With the wind speed gradually increasing again as autumn approaches, July serves as a serene midpoint in Mainz's annual wind patterns, inviting both locals and travelers to embrace the stillness of summer.
The weather in Mainz changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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 July, the weather is typically warm, with average temperatures around 20°C (69°F) and maximums reaching up to 39°C (103°F), while January presents a stark contrast with cooler temperatures averaging just 2°C (37°F) and highs of 13°C (55°F). July experiences higher humidity at 83% and more heat, while January has a notably colder feel, though it has a similar number of precipitation days (11) with slightly lower rainfall of 56 mm (2.2 in) compared to July's 64 mm (2.5 in). For more detailed weather insights, check out Mainz weather in January.
In July, temperatures soar with a minimum of 8°C (47°F) and an average of 20°C (69°F), reaching highs of up to 39°C (103°F). This month also sees significant humidity at 83% and an average precipitation of 64 mm (2.5 in) over 11 days. In contrast, February offers a much cooler climate, where temperatures range from a minimum of -11°C (13°F) to a maximum of 18°C (65°F), with an average of 4°C (39°F). Precipitation is slightly less at 52 mm (2.0 in) over the same number of rainy days, while humidity is slightly higher at 89%. For more detailed insights, you can check out Mainz weather in February.
July and March in Mainz present starkly contrasting weather conditions. July boasts a wide temperature range, with minimums of 8°C (47°F) and maximums soaring to 39°C (103°F), averaging around 20°C (69°F). The month is characterized by high humidity at 83%, along with a moderate amount of precipitation totaling 64 mm (2.5 in) over 11 days. In comparison, March features much colder temperatures ranging from a low of -11°C (13°F) to a mild high of 22°C (72°F), averaging just 6°C (44°F). While March also experiences similar precipitation levels at 63 mm (2.5 in), it spans 13 days and comes with a slightly higher humidity of 87%. For more details, visit Mainz weather in March.
When comparing the weather in July and April, it’s clear that July is significantly warmer, with average temperatures reaching 20°C (69°F) compared to April's cooler average of 10°C (50°F). In July, temperatures can spike to a maximum of 39°C (103°F), while April offers a milder peak of 27°C (80°F). Additionally, July experiences more precipitation, with 64 mm (2.5 in) over 11 days, in contrast to April's 34 mm (1.3 in) across 7 days. Despite both months having the same humidity level of 83%, the overall climate of July feels much more intense due to the higher temperatures. For more detailed information, you can visit Mainz weather in April.
When comparing the weather between May and July, significant differences emerge in both temperature and overall conditions. In July, temperatures range from a minimum of 8°C to a scorching maximum of 39°C, with an average of 20°C. In contrast, May sees cooler temperatures, with a minimum of 0°C and a maximum of 32°C, averaging around 14°C. While July has slightly less precipitation at 64 mm over 11 days, May experiences a bit more rain, totaling 71 mm across 12 days. Interestingly, humidity levels remain high in both months, with July at 83% and May slightly lower at 79%. For a detailed look at the weather specifics for May, you can check Mainz weather in May.
In comparing the weather patterns of July and June, both months showcase relatively mild minimum temperatures, with July starting slightly warmer at 8°C (47°F) compared to June's 7°C (45°F). The average temperatures rise just slightly, with July averaging 20°C (69°F) and June at 19°C (67°F). However, July experiences a higher maximum temperature of 39°C (103°F), compared to June's peak of 36°C (97°F). Precipitation in July totals 64 mm (2.5 in), which is slightly less than June's 76 mm (3.0 in), although both months share an identical frequency of 11 days of precipitation. Humidity levels are similar, with July at 83% and June marginally lower at 82%. For a more detailed look at June weather conditions, you can check Mainz weather in June.
In July, temperatures in Mainz can fluctuate significantly, with a minimum of 8°C (47°F) and a maximum reaching a sweltering 39°C (103°F). The average temperature hovers around a pleasant 20°C (69°F), but the month is marked by higher humidity levels at 83% and 11 days of precipitation totaling 64 mm (2.5 in). In contrast, August sees a slight dip in temperature, with a minimum of 7°C (44°F) and a maximum of 36°C (96°F). The average remains stable at 20°C (68°F), while precipitation decreases slightly to 60 mm (2.3 in) over 12 days, and humidity remains similar at 84%. For more details on August's weather, you can check Mainz weather in August.
July and September exhibit notable differences in weather patterns. July boasts higher temperatures, with a minimum of 8°C (47°F) and an average of 20°C (69°F), peaking at a scorching 39°C (103°F). In contrast, September sees cooler temperatures, starting at a minimum of 3°C (37°F) and averaging 16°C (61°F), with a maximum of 33°C (91°F). Additionally, July experiences more rainfall, totaling 64 mm (2.5 in) over 11 days, while September has less precipitation at 45 mm (1.8 in) over just 7 days, contributing to its dry charm. Humidity remains relatively high in both months, with July's average at 83% compared to September's 85%. For more specific weather information in September, you can visit Mainz weather in September.
When comparing the weather in July and October, notable differences emerge. July typically experiences warmer temperatures, with a minimum of 8°C (47°F), an average of 20°C (69°F), and a maximum reaching up to 39°C (103°F). This month also sees a higher average humidity of 83% and more precipitation at 64 mm (2.5 in) over 11 days. In contrast, October presents a cooler climate, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F) and a lower average temperature of 11°C (52°F). While the total precipitation decreases slightly to 53 mm (2.1 in), it still falls on 11 days, with humidity rising to 88%. For more specific insights into October weather, you can check Mainz weather in October.
July and November present stark contrasts in weather patterns. July boasts a warm temperature range, with minimums of 8°C (47°F) and maximums reaching up to 39°C (103°F). This month experiences an average temperature of 20°C (69°F) and receives 64 mm (2.5 in) of precipitation over 11 days, with humidity levels at a comfortable 83%. In contrast, November brings cooler temperatures, with minimums dropping to -4°C (25°F) and maximums peaking at 21°C (70°F). The average temperature for November is significantly lower at 6°C (43°F), with a slightly reduced precipitation total of 47 mm (1.9 in) over the same number of rainy days, though humidity rises to 89%. For more detailed information, check out Mainz weather in November.
In comparing the weather between July and December, we see a stark contrast in temperatures and conditions. July boasts warm temperatures with a minimum of 8°C (47°F) and an average high of 39°C (103°F), accompanied by relatively lower humidity at 83%. In contrast, December's temperatures plummet, featuring a minimum of -6°C (21°F) and an average high of only 14°C (58°F). Additionally, December experiences more precipitation over a greater number of days, totaling 94 mm (3.7 in) over 17 days, compared to July's 64 mm (2.5 in) over 11 days. This seasonal shift highlights the dramatic change from the heat of summer to the chill of winter, with December also exhibiting higher humidity at 91%. For more detailed insights, check out Mainz weather in December.
July in Mainz brings a summer vibrancy that sets it apart from the cooler months of the year. With average temperatures reaching a comfortable 20°C and occasionally soaring to a peak of 39°C, this month is characterized by warm, sunny days ideal for outdoor activities. However, the weather isn't without its quirks; July experiences an average of 11 days of precipitation, resulting in humidity levels around 83%. This combination of heat and occasional rain creates a unique summer climate that invites both enjoyment and preparedness. For a deeper understanding of how these patterns play out throughout the year, visit Mainz Climate.