The climate of Mainz
In the realm of meteorological categorization, the climate of
Mainz,
Germany is typically identified as a Marine West Coast climate, often referred to by the Köppen classification as Cfb. This climate type implies mild temperatures with no extremes, rainfall distributed uniformly throughout the year, and warm summers. The city of Mainz is advantageously positioned in a region that enjoys the protective effects of both mountainous terrain and coastal winds, keeping it relatively moderate throughout the year.
Variations in temperature, from chilly winters to milder summers, are a key characteristic of Mainz's climate. The hottest month is typically
July, with an average high of 25.2°C (77.4°F), while temperatures can hit a low, on average, of -0.5°C (31.1°F) in
January. Simultaneously, the city sees shifts in humidity, having extremes of 86% during cold January months and 67% in the heat of July. The climatological matrix of Mainz also includes variations in rainfall, the heaviest of which is usually observed in July with a monthly average of 45mm (1.77"), giving way to a light 19mm (0.75") in
April.
Unique weather patterns emerge within these cycling conditions. The city experiences more snowfall during the winter months, specifically
December and January, with an average of 38mm (1.5") and 28mm (1.1") respectively.
November offers a distinctive switch, rendering it a drier, cooler month with a noteworthy lack of snowfall.
The best time to visit Mainz
Accounting for a combination of weather conditions, the most favorable time to venture to
Mainz might be late spring and early summer. Specifically,
May offers a blend of moderate temperatures, ranging from 18.8°C (65.8°F) to 8.5°C (47.3°F), coupled with an average of only 13.4 rainy days. These conditions cultivate an ideal environment for sightseeing, offering more daylight hours, with 15.4 hours to be exact, allowing visitors to explore Mainz extensively.
The worst time to visit Mainz
On the flip side of tranquility, the months of
July and
August might pose as challenging periods for tourists due to the increased rainfall and high humidity of 67%. Despite warm temperatures, these months bring 45mm (1.77") and 39mm (1.54") of rain on average. Also, the likelihood of encountering a greater number of rainy days, with an average of 14.7 days in July, could upset traveling plans.
Spring weather in Mainz
Spring (
March through
May) in
Mainz gradually lifts the cold veil of winter, with temperatures progressively warming from an average high of 10.3°C (50.5°F) in March to 18.8°C (65.8°F) in May. Rainfall during these months sees a slight increase from 26mm (1.02") in March to 34mm (1.34") in May, while the relative humidity remains within a comfortable band from 76% to 71%.
Summer weather in Mainz
Mainz’s summer months, spanning from
June to
August, are marked by the warmest temperatures of the year. The mercury runs from 22.6°C (72.7°F) in June up to a peak of 25.2°C (77.4°F) in
July before slightly dipping to 24.9°C (76.8°F) in August. Concurrently, rainfall sees a notable surge, reaching its yearly peak in July at 45mm (1.77").
Autumn weather in Mainz
The cool retreat of autumn (
September through
November) prompts a decrease in temperatures, with averages falling from 20.2°C (68.4°F) in September down to 8.5°C (47.3°F) by November. During this season, the amount of rainfall escalates, starting from 22mm (0.87") in September to a high of 34mm (1.34") in November.
Winter weather in Mainz
From
December through
February, winter envelops
Mainz.
January registers as the coldest month, carrying an average high of just 3.7°C (38.7°F). Simultaneously, snowfall becomes a characteristic feature with peaks noted in December and January, averaging 38mm (1.5") and 28mm (1.1") respectively. Crystalline drops of rain add to the winter rhythm, registering an average of 38mm (1.5") in December.
Weather in January
Beginning the year with the influence of the winter season, the weather in
January experiences cool temperatures. As the coldest month temperatures range from a low of -0.5°C (31.1°F) to a high of 3.7°C (38.7°F). The presence of 28mm (1.1") of snowfall in January further reinforces the chill of the winter season.
Weather in January »Weather in February
As winter persists into
February,
Mainz begins to see a gradual increase in temperature. With maximum temperatures reaching 5.2°C (41.4°F), a distinct yet moderate shift from the previous month is noticeable. February also brings about an increase in snowfall, rising to 39mm (1.54"), asserting the continuation of the winter season.
Weather in February »Weather in March
Marking the onset of spring,
March sees a significant turn in the weather patterns of
Mainz,
Germany. Temperatures rise considerably, hitting a high of 10.3°C (50.5°F), reflecting the receding winter. Rainfall maintains consistency with
February's levels at 26mm (1.02"), replenishing the flora as the snow melts away.
Weather in March »
Weather in April
As we move into mid-spring,
April weather fundamentally shifts with warmer temps, registering a high of 16.2°C (61.2°F). More daylight hours and increased sunshine come as relieving changes after the exhaustion of winter. April sees a fall in rainfall, down to 19mm (0.75"), indicating a drier, warmer climate.
Weather in April »Weather in May
May continues the ascending temperature trend in
Mainz,
Germany, showcasing an ideal spring climate. An increase of 2.6°C (36.7°F) in the maximum temperature from
April, reaching 18.8°C (65.8°F), makes May the gateway to summer.
Weather in May » Weather in June
June signifies the commencement of summer in
Mainz, with temperatures soaring past the 20°C (68°F) mark for the first time in the year, reaching 22.6°C (72.7°F). Situated at the threshold of the warmest months, the climate remains manageable and welcoming.
Weather in June »
Weather in July
In the full swing of summer, the heat spikes in
July in
Mainz as the highest temperatures of the year are recorded at 25.2°C (77.4°F). The month brims with sunshine, as July registers ample daylight hours, offering abundant opportunities for residents and tourists to enjoy the warm weather.
Weather in July »Weather in August
While remaining well within the summer season,
August sees a slight drop in temperature in
Mainz,
Germany. Registering a decline from
July's high, the maximum temperature falls to 24.9°C (76.8°F), suggesting a slow transition towards autumn.
Weather in August »Weather in September
September brings the onset of autumn, with a notable drop in temperatures, reaching a high of 20.2°C (68.4°F). The shift from the scorching summer climate to the moderate autumn weather is much awaited. Rainfall amounts decrease to 22mm (0.87"), alongside a reduction in daylight and sunshine hours, providing a respite from the heat.
Weather in September »
Weather in October
October immerses
Mainz,
Germany, fully into the autumn season. A further decline in temperatures, falling to a high of 14.2°C (57.6°F), sets the stage for the encroaching winter. Despite the lowering temperatures, the rainfall increases to 34mm (1.34"), rejuvenating the city after summer's warmth.
Weather in October » Weather in November
With
November's arrival,
Mainz begins to feel the grip of the winter season as temperatures plunge further to a high of 8.5°C (47.3°F). Defining November, the increased humidity and cloudy days indicate an entirely different climate regime.
Weather in November »Weather in December
Rounding up the year,
December embraces the winter season with the lowest temperatures, second only to
January, falling to a high of 5°C (41°F). Delivering a white Christmas to
Mainz, December sees the return of snowfall, with the ground blanketed by 38mm (1.5") of snow.
Weather in December »