December Weather in Speyer, Germany

Last updated: February 26, 2025

In Speyer, Germany, December greets residents and visitors with a blend of cool temperatures and frequent rainfall. The maximum temperature hovers around 15°C (59°F), providing a mild respite from winter's chill, while the average settles at a brisk 4°C (40°F). However, nights can dip to a minimum of -6°C (22°F), urging warm attire. December witnesses 103 mm (4.1 in) of precipitation over the course of 18 days, resulting in a humidity level of 91%, contributing to the atmospheric aura of this charming city during the festive season.

December Temperature in Speyer

In December, Speyer, Germany transitions into the heart of winter, showcasing a notable drop in temperatures. With minimums reaching -6°C (22°F) and an average hovering around 4°C (40°F), the month remains brisk yet milder compared to the harsh chill of January. Daytime highs can bring some relief, peaking at around 15°C (59°F), which can make outdoor activities enjoyable during sunny spells. This gradual shift from the frosty depths of late autumn highlights a pattern of fluctuating temperatures as the year closes, inviting both the chill of winter and the promise of festive cheer in the air.

December Weather in Speyer: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Speyer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374045525868707062544340
Data source: Temperature data for Speyer 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.

December Precipitation in Speyer

In December, Speyer, Germany, experiences a notable surge in precipitation, with 103 mm (4.1 in) of rainfall spread over 18 days—making it the wettest month of the year. This significant increase stands in stark contrast to the drier months preceding it, showcasing a clear trend of winter's arrival. With an average of only about 9 to 13 precipitation days in the preceding months, December's higher frequency of rainfall highlights a shift in weather patterns, as the city prepares for the cold embrace of winter. The increased moisture not only enriches the landscape but also sets the scene for a cozy, festive atmosphere as the holiday season unfolds.

December Precipitation Trends in Speyer

The chart displays monthly precipitation patterns in Speyer, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6560702973655751456349103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Speyer

In December, Speyer, Germany experiences a notable rise in humidity, reaching 91%, which aligns with the city's trend of heightened moisture levels as the year draws to a close. Following an upward trajectory from October's 88%, December's humidity reflects a return to the relaxed, cozy atmosphere typical of winter months. Throughout the year, humidity levels generally decrease from a high in January at 91% to a low in May at 79%, before gradually increasing again in the latter months. This December spike indicates a seasonal shift, echoing the previous winter's characteristics and suggesting that the comforting chill often brings a blanket of moisture to the air, making for a quintessential German winter experience.

December Average Humidity in Speyer

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

December UV Index in Speyer

In Speyer, Germany, the UV Index experiences a notable shift throughout the year, reflecting the changing seasons. December marks a low point with a UV Index of 1, indicating minimal sun exposure risk and a comfortable burn time of 45 minutes. This follows a trend of lower indices during the winter months, as indicated by the January and November readings, which also register a low UV risk. As the year progresses into spring and summer, the UV Index climbs significantly, peaking at 8 during May, June, and July, when protection is essential due to the very high exposure category. Whether basking in the winter sun or gearing up for the summer rays, it's crucial to be mindful of these fluctuations in UV levels. For more detailed information, visit Speyer UV Index.

Maximum UV Index Levels in Speyer for December

The chart shows the monthly maximum UV Index (UVI) for Speyer in December, 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.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Speyer December 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.

December Sunshine in Speyer

In Speyer, Germany, December brings a gentle tapering of daylight, with 144 hours of sunshine illuminating the month. As the year closes, this is a noticeable drop compared to the vibrant 415 hours experienced in July, highlighting the ebb and flow of sunlight through the seasons. The trend reveals an engaging transition from winter’s cozy embrace, with mornings often cloaked in a soft fog, toward the more sun-drenched months of spring and summer. December's sunshine, while significantly less than the preceding months, invites a reflective mood and sets the stage for the promise of a brighter year ahead.

Monthly Sunshine Duration in Speyer: December Highlighted

The December sunshine duration represents the total number of hours Speyer experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec127h206h280h348h390h395h415h384h322h263h191h144h
Data source: Speyer December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Speyer During December

In Speyer, Germany, December presents a challenging climate for those seeking sunny weather, with a modest 17% chance of sunshine. This figure starkly contrasts the sunnier months earlier in the year, where spring and early autumn boast probabilities nearing 46% in March and 45% in September. Even more striking is the shift from November's 21%, signaling a notable drop as winter sets in. As temperatures cool, the day's luminosity wanes, and the likelihood of overcast skies increases, making December one of the greyest months in Speyer. For sunshine enthusiasts, it's clear that the vibrant rays of summer are but a distant memory during this chilly time of year.

Percentage of Sunny Days in December in Speyer

The chart illustrates the percentage of sunny days in Speyer throughout the year, with December 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 Speyer experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%39%46%48%32%35%39%31%45%33%21%17%
Data source: Speyer December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Speyer in December

In Speyer, Germany, the rhythm of daylight ebbs and flows throughout the year, creating a captivating seasonal dance. Starting with 8 hours of daylight in January and December, the city experiences a gradual increase as spring approaches, peaking at an impressive 16 hours in June. This vibrant transition showcases the longer, sunlit days of summer, where locals bask in outdoor activities. However, as summer wanes and autumn settles in, daylight begins to wane once more, dipping to 14 hours in August and further down to 10 hours by October. By November, the shift toward shorter days is palpable, with just 9 hours of sunlight. Ultimately, December brings a return to the winter's embrace, as daylight drops back to 8 hours, closing the cycle until the light starts to gradually emerge once again with the new year.

Average Daylight Hours in Speyer for December

The chart illustrates the variation in daylight duration in Speyer throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 41m10h 7m11h 55m13h 45m15h 21m16h 10m15h 44m14h 19m12h 32m10h 43m9h 5m8h 14m
Data source: Speyer daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Speyer

In Speyer, Germany, December ushers in a subtle increase in wind activity, with average speeds reaching 2.9 m/s (6 mph). This marks an interesting shift from the generally calmer conditions of the preceding months, where wind speeds hovered around the lower end of the scale. While December's winds are relatively mild compared to the clear gusts of spring and early summer, which peak at an average of 3.5 m/s (8 mph) in May, they hint at the seasonal transitions that characterize this historic city. As winter approaches, the crisper breezes carry with them a promise of change, making December a reflective month where nature prepares for the cold embrace of winter while still holding onto the gentler remnants of fall.

Average December Wind Speed in Speyer

The chart displays monthly wind speed patterns in Speyer, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.82.92.63.52.12.42.62.02.52.42.9 m/s
Data source: Speyer December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Speyer Compares to Other Months

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

December and January weather shows notable differences, particularly in temperature and precipitation. December experiences a milder average temperature of 4°C (40°F) with a maximum of 15°C (59°F), while January is colder, with an average of 3°C (37°F) and a maximum of 14°C (57°F). Additionally, December sees more precipitation, totaling 103 mm (4.1 in) over 18 days, compared to January's 65 mm (2.6 in) across just 13 days. Despite the decrease in rain, both months maintain a high humidity level of 91%. For a closer look at weather conditions specific to January, check out Speyer weather in January.

December and February showcase distinct weather patterns, with December experiencing a slightly warmer average temperature of 4°C (40°F) compared to February's average of 5°C (41°F). However, February features colder minimum temperatures, dipping to -9°C (16°F), while December's minimum reaches -6°C (22°F). Precipitation is also notably lower in February, totaling 60 mm (2.4 in) over 11 days, in contrast to December's 103 mm (4.1 in) across 18 days. Humidity levels are similar in both months, with December at 91% and February at 89%. For more details on February conditions, visit Speyer weather in February.

December and March present contrasting weather patterns. In December, temperatures range from a chilly minimum of -6°C (22°F) to a mild maximum of 15°C (59°F), with an average of 4°C (40°F). The month is characterized by high humidity levels at 91% and significant precipitation, totaling 103 mm (4.1 in) over 18 days. In contrast, March brings slightly cooler minimum temperatures of -9°C (16°F), while the average temperature rises to 7°C (45°F) and reaches a maximum of 23°C (73°F). It sees less precipitation, with 70 mm (2.8 in) over 14 days and a slightly lower humidity level of 87%. For more detailed information, check out Speyer weather in March.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F) and an average of 4°C (40°F). The month is marked by significant precipitation, totaling 103 mm (4.1 in) over 18 days, and a high humidity level of 91%. In stark contrast, April brings a much warmer climate, where temperatures are milder, with a minimum of -3°C (27°F) and rising to a maximum of 28°C (82°F), averaging around 11°C (52°F). Additionally, April experiences much less rain, with only 29 mm (1.1 in) over just 7 days and a lower humidity of 83%. For a closer look at weather details specific to April, you can visit Speyer weather in April.

When comparing the weather in December and May, significant contrasts emerge. December experiences colder temperatures, with a minimum plunging to -6°C (22°F) and an average around 4°C (40°F), while May enjoys a much milder climate, with temperatures ranging from a minimum of 1°C (33°F) to a comfortable maximum of 32°C (89°F). In terms of precipitation, December has a higher amount at 103 mm (4.1 in) spread over 18 days, compared to May's 73 mm (2.9 in) over just 11 days, indicating that May is generally drier. Additionally, humidity levels are higher in December at 91%, while May sees a lower, though still substantial, humidity of 79%. For further details on May weather, you can explore Speyer weather in May.

In December, the weather is notably colder, with temperatures ranging from a chilling -6°C (22°F) to a mild 15°C (59°F), averaging around 4°C (40°F). The month is marked by significant precipitation, totaling 103 mm (4.1 in) over 18 days, and a high humidity level of 91%, creating a damp and crisp atmosphere. In contrast, June brings much warmer conditions, with temperatures ranging from a comfortable 8°C (47°F) to a scorching 36°C (97°F), averaging a pleasant 20°C (68°F). Precipitation is less frequent in June, totaling 65 mm (2.5 in) over just 10 days, and humidity decreases to 82%, resulting in a more stable and enjoyable climate. For more detailed information about June weather in the area, visit Speyer weather in June.

In December, the weather is considerably colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F), and an average temperature of 4°C (40°F). The month sees substantial precipitation of 103 mm (4.1 in) over 18 days, contributing to a high humidity level of 91%. In contrast, July brings much warmer conditions, featuring temperatures that range from a minimum of 9°C (49°F) to a maximum of 38°C (102°F), with an average of 21°C (70°F). Precipitation in July is significantly lower at 57 mm (2.3 in) across just 10 days, along with a humidity level of 83%. For more details about July weather, check Speyer weather in July.

December and August exhibit strikingly different weather patterns. In December, the temperature ranges from a chilly -6°C (22°F) to a milder 15°C (59°F), with an average of just 4°C (40°F). This month also sees significant precipitation, totaling 103 mm (4.1 in) over 18 days, and a high humidity level of 91%. In contrast, August offers much warmer conditions, with temperatures fluctuating between 9°C (48°F) at night and soaring up to a hot 36°C (97°F) during the day, averaging around 21°C (70°F). The precipitation in August is lower at 51 mm (2.0 in) over 11 days, coupled with a slightly lower humidity of 84%. For more detailed information, you can check out Speyer weather in August.

December weather is characterized by much colder temperatures, with daily averages around 4°C (40°F) and a minimum that can drop to -6°C (22°F), compared to the milder September, which enjoys an average of 17°C (62°F) and maximums reaching up to 33°C (91°F). In December, precipitation is significantly higher, totaling 103 mm (4.1 in) over 18 days, whereas September sees only 45 mm (1.8 in) across just 7 days. Additionally, December's humidity is slightly higher at 91%, compared to 85% in September. For a detailed look at September weather, you can check Speyer weather in September.

December weather is significantly colder than October, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F), and an average of 4°C (40°F). In contrast, October offers milder conditions, exhibiting a minimum of 2°C (36°F) and a comfortable maximum of 26°C (80°F), averaging around 12°C (54°F). Precipitation in December is also higher, with 103 mm (4.1 in) over 18 days, compared to October's 63 mm (2.5 in) over just 13 days. Additionally, December's humidity is slightly higher at 91% compared to October's 88%. For more specific insights, visit Speyer weather in October.

In comparing the weather between November and December, December tends to be colder, with minimum temperatures reaching -6°C (22°F) compared to November's minimum of -2°C (28°F). While both months experience a range of temperatures, November has a higher average of 6°C (44°F) and can peak at a warm 22°C (71°F), whereas December's average drops to 4°C (40°F) with a maximum of 15°C (59°F). Rainfall is more frequent in December, with precipitation occurring on 18 days and totaling 103 mm (4.1 in), compared to November, which sees only 49 mm (1.9 in) over 9 days. Humidity levels are slightly higher in December at 91%, compared to November's 89%. For more detailed insights, you can visit Speyer weather in November.

Compare Speyer's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Speyer

As December settles over Speyer, the weather takes on a distinctive chill that sets it apart from other months. With a notable drop in temperatures, residents can expect the mercury to hover around a cool average of 4°C (40°F), contrasting sharply with the milder autumn days. The month also brings increased humidity levels, creating a damp atmosphere that feels particularly pronounced during the frequent precipitation days—18 in total—which collectively account for over 103 mm (4.1 in) of rainfall. This blend of cold, moisture, and shorter daylight hours paints a picture of a month where cozy indoor activities become the norm. For a more detailed look at how December compares to the rest of the year in terms of weather patterns, visit Speyer Climate.