December Weather in Janske Lazne, Czech Republic

Last updated: April 1, 2025

December in Janske Lazne, Czech Republic offers a true winter experience, with temperatures showcasing a maximum of 8°C (47°F) and plummeting to a chilling minimum of -16°C (4°F). On average, visitors can expect a brisk -1°C (30°F), ideal for enjoying the stunning snowy landscapes. The month is marked by 80 mm (3.1 in) of precipitation over 16 days, contributing to a 91% humidity level that envelops the area in a frosty embrace. Whether you’re drawn to the festive atmosphere or the serene beauty of winter's blanket, December in Janske Lazne promises a captivating retreat.

December Temperature in Janske Lazne

In December, Janske Lazne, Czech Republic, welcomes the onset of winter with chilly temperatures that set the stage for a picturesque landscape. The month typically sees minimums around -16°C (4°F), with an average hovering just below freezing at -1°C (30°F), and a modest maximum reaching 8°C (47°F). This notable drop in temperatures marks a significant shift from the milder conditions of the preceding months. Compared to November's milder average of 3°C (37°F), December is a reminder that winter is firmly here, inviting snow blankets and a cozy atmosphere. As the year comes to a close, these crisp temperatures lay the foundation for winter activities, making Janske Lazne an enchanting destination for those seeking seasonal charm.

December Weather in Janske Lazne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Janske Lazne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272933425161616254463730
Data source: Temperature data for Janske Lazne generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Janske Lazne

In December, Janske Lazne experiences a notable shift in its precipitation patterns, recording 80 mm (3.1 in) over 16 days. This marks a contrast to the drier fall months, with November only seeing 50 mm across 11 days. The increase in precipitation aligns with the onset of winter, reflecting a trend where the colder months tend to yield higher rainfall compared to the fall. Interestingly, December's precipitation is greater than that of most preceding months, indicating a seasonal uptick as the weather turns chillier. This trend highlights Janske Lazne’s transition into a wetter, snowier season, as it prepares for the winter months ahead.

December Precipitation Trends in Janske Lazne

The chart displays monthly precipitation patterns in Janske Lazne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6968646111812512415194915080
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Janske Lazne

In December, Janske Lazne experiences a notable increase in humidity, reaching 91%, the highest level of the year. This elevation reflects a trend where the colder months bring higher moisture levels, starting from November's 87% and culminating in December's peak. As winter settles in, humidity remains elevated, contrasting sharply with the drier summer months, where levels fall to around 61% in July. The shift from the relatively comfortable humidity of late spring and summer, with averages dropping to 63%, highlights the seasonal changes that envelop this charming Czech town. The consistent rise in humidity marks December as a notably damp month, preparing the landscape for a winter cloaked in snow and mist.

December Average Humidity in Janske Lazne

This chart illustrates the average monthly humidity levels in Janske Lazne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%63%63%61%65%72%80%87%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Janske Lazne

In December, the UV Index in Janske Lazne drops to a low 1, indicating minimal sun exposure risk with a comfortable burn time of 45 minutes. This trend of lower UV levels continues from the previous month, with November also recording a low index of 2. As the year comes to a close, the region transitions from warmer months of high and very high UV exposures, peaking in the summer with indexes reaching 8 in June and July, to a much safer winter climate. With the shift towards chilly weather, Janske Lazne provides a reprieve from the intense sun, making it perfect for winter activities while still allowing for some sun exposure. For more details on the UV Index throughout the year, check out Janske Lazne UV Index.

Maximum UV Index Levels in Janske Lazne for December

The chart shows the monthly maximum UV Index (UVI) for Janske Lazne 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.
JanFebMarAprMayJunJulAugSepOctNovDec235678876421
Data source: Janske Lazne 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 Janske Lazne

In December, Janske Lazne experiences a gentle decline in sunshine, boasting around 142 hours of golden rays. This month marks the transition from the vibrant warmth of autumn, as daylight begins to wane after the peak of summer, where bright July recorded an impressive 428 hours. Although December brings shorter days, it offers a serene beauty this time of year, allowing visitors to enjoy the winter landscape under a soft layer of snow. The gradual decrease in sunlight from November's 186 hours to December's figures highlights the seasonal shift, making it a perfect time for cozy gatherings and rejuvenating spa retreats in this charming Czech town.

Monthly Sunshine Duration in Janske Lazne: December Highlighted

The December sunshine duration represents the total number of hours Janske Lazne 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.
JanFebMarAprMayJunJulAugSepOctNovDec118h203h278h333h383h408h428h382h312h256h186h142h
Data source: Janske Lazne December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Janske Lazne During December

In Janske Lazne, Czech Republic, the likelihood of sunny weather experiences a noticeable decline as winter arrives, with December showing only a 15% chance of sunshine. This is part of a broader trend where the sunniest months, like March at 39%, give way to less favorable conditions in the colder season. Following a slight dip in November to 13%, December’s modest increase in sun chances signals the persistent cloud cover typical of winter months. As the year draws to a close, residents and visitors alike can expect fewer bright days, with hope for clearer skies in the coming spring months.

Percentage of Sunny Days in December in Janske Lazne

The chart illustrates the percentage of sunny days in Janske Lazne 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 Janske Lazne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%24%39%29%28%35%27%24%33%34%13%15%
Data source: Janske Lazne December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Janske Lazne in December

As the year unfolds in Janske Lazne, Czech Republic, a distinct pattern of daylight duration emerges. December, mirroring November, offers just 8 hours of daylight, signaling the onset of winter's grip. This period of limited light is a stark contrast to the 16 hours enjoyed in June, the peak of summer. As we transition from January's 8 hours to February's increase to 10 hours, daylight begins to gradually lengthen, a welcomed change as spring approaches. The months of spring bring a noticeable rise, peaking at 15 hours in May, before gently tapering off into autumn. By the time the year closes in December, both daylight and the landscape are tucked under winter’s blanket, reminding residents of the cyclical nature of light in this enchanting Czech locale.

Average Daylight Hours in Janske Lazne for December

The chart illustrates the variation in daylight duration in Janske Lazne throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 1m11h 55m13h 51m15h 31m16h 24m15h 56m14h 26m12h 34m10h 39m8h 56m8h 1m
Data source: Janske Lazne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Janske Lazne

In December, the winds in Janske Lazne pick up to an average speed of 2.9 m/s (7 mph), echoing a slight increase from the previous months. Throughout the year, wind speeds generally rise from the calm of summer, reaching their peaks in the spring and falling again during the warmer months. Interestingly, December's winds are comparable to those in April, marking a return to a brisker atmosphere as winter approaches. With the chill in the air, this elevation in wind speed hints at the seasonal transition and prepares the picturesque landscape for the arrival of snow, making it an enchanting time for winter sports and cozy gatherings.

Average December Wind Speed in Janske Lazne

The chart displays monthly wind speed patterns in Janske Lazne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.82.83.23.52.22.32.42.53.12.92.9 m/s
Data source: Janske Lazne December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Janske Lazne Compares to Other Months

The weather in Janske Lazne 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 Janske Lazne and find detailed weather information for every month.

In December, temperatures in Janske Lazne typically range from a minimum of -16°C (4°F) to a maximum of 8°C (47°F), with an average of -1°C (30°F). The month experiences significant precipitation, measuring around 80 mm (3.1 in) over 16 days, and humidity remains high at 91%. In contrast, January brings slightly colder conditions, with minimum temperatures dropping to -21°C (-6°F) and an average of -3°C (27°F). The maximum temperature also remains mild at 9°C (48°F). January sees less precipitation at 69 mm (2.7 in) over 14 days, with humidity slightly decreasing to 89%. For a deeper look at the weather patterns and conditions in January, check out Janske Lazne weather in January.

In December, temperatures in Janske Lazne range from a minimum of -16°C (4°F) to a maximum of 8°C (47°F), with an average temperature of -1°C (30°F). The month experiences significant precipitation, amounting to 80 mm (3.1 in) over 16 days, and humidity levels are quite high at 91%. In contrast, February sees slightly colder temperatures, with minimums dropping to -20°C (-3°F) and a maximum of 9°C (49°F), while the average remains similar at -2°C (30°F). Precipitation is lower at 68 mm (2.7 in) across 12 days, and humidity is marginally reduced to 87%. For more detailed information about February weather in Janske Lazne, you can check out Janske Lazne weather in February.

December and March in Janske Lazne present contrasting weather patterns, reflecting the transition from winter to early spring. In December, the temperatures range from a chilly -16°C (4°F) at night to a mild 8°C (47°F) during the day, with an average of -1°C (30°F). The month sees significant precipitation, totaling 80 mm (3.1 in) over 16 days, and high humidity at 91%. Conversely, March marks the arrival of somewhat milder conditions, with temperatures dipping to a low of -19°C (-1°F) at night and peaking at 17°C (63°F) during the day, resulting in a slightly higher average temperature of 1°C (34°F). March also experiences less precipitation, totaling 64 mm (2.5 in) over 13 days, and a lower humidity of 84%. For more detailed insights on the weather, you can check this link: Janske Lazne weather in March.

In December, the weather is cold and frosty, with minimum temperatures dipping as low as -16°C (4°F) and average temperatures hovering around -1°C (30°F). While it sees more precipitation, totaling 80 mm (3.1 in) over about 16 days, the higher humidity at 91% can make the chilly atmosphere feel even colder. In contrast, April brings a welcome shift with milder temperatures, sporting a minimum of -11°C (13°F) and an average of 6°C (42°F), ultimately peaking at a pleasant 23°C (73°F). With lower precipitation at 61 mm (2.4 in) across 12 days and humidity decreasing to 78%, April feels significantly more comfortable and inviting. For further details, check out Janske Lazne weather in April.

December and May present a stark contrast in weather. In December, temperatures can plunge as low as -16°C (4°F), with an average of -1°C (30°F) and a maximum of 8°C (47°F). The month is characterized by high humidity at 91% and receives a fair amount of precipitation, totaling 80 mm (3.1 in) over about 16 days. In contrast, May sees a much milder climate, with temperatures ranging from a minimum of -3°C (27°F) to a pleasant maximum of 25°C (78°F) and an average of 10°C (51°F). While May has slightly higher precipitation at 118 mm (4.6 in) over 18 days, the humidity drops to a more comfortable 63%. For a closer look at how the weather unfolds, visit Janske Lazne weather in May.

The weather in December is markedly colder than in June, with temperatures ranging from a frigid -16°C (4°F) to a mild max of 8°C (47°F) and an average temperature of -1°C (30°F). In contrast, June experiences a much warmer climate, with temperatures varying from a minimum of 3°C (37°F) to a maximum of 31°C (87°F) and an average temperature of 16°C (61°F). Additionally, December is characterized by higher humidity levels at 91% and significant precipitation over 16 days, totaling 80 mm (3.1 in), while June sees lower humidity at 63%, more precipitation at 125 mm (4.9 in), but over just 15 days. For more details on Janske Lazne weather in June, visit the link.

December and July present stark contrasts in weather. In December, temperatures can plummet to a chilling minimum of -16°C (4°F), with an average of -1°C (30°F) and highs reaching just 8°C (47°F). The month sees significant precipitation, totaling 80 mm (3.1 in) spread over about 16 days, accompanied by high humidity at 91%. In contrast, July experiences much warmer conditions with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (87°F) and an average of 16°C (61°F). Although July receives more rainfall—124 mm (4.9 in) over 18 days—it benefits from significantly lower humidity at 61%. For a detailed look at July weather, check Janske Lazne weather in July.

December and August present a stark contrast in weather, showcasing the extremes of winter and summer. In December, temperatures plunge to a minimum of -16°C (4°F), with an average of -1°C (30°F) and a maximum of 8°C (47°F). The month sees about 80 mm (3.1 inches) of precipitation over 16 days, accompanied by high humidity levels at 91%, creating a chilly and damp atmosphere.

In contrast, August enjoys much milder conditions, with temperatures ranging from a minimum of 4°C (40°F) to an average of 17°C (62°F) and peaking at 30°C (86°F). The warmer month experiences greater rainfall, totaling 151 mm (5.9 inches) over 17 days, but with significantly lower humidity at 65%, making the air feel more comfortable. For more detailed insights into the weather during this summer month, check out Janske Lazne weather in August.

In December, the weather is significantly colder than in September, with temperatures ranging from a frigid minimum of -16°C (4°F) to a maximum of 8°C (47°F). This results in an average temperature of just -1°C (30°F). Additionally, December experiences high humidity at 91% and around 80 mm (3.1 in) of precipitation over 16 days.

In contrast, September enjoys milder and more pleasant weather, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 26°C (80°F), leading to an average of 12°C (54°F). The month sees slightly higher precipitation levels at 94 mm (3.7 in) across 14 days but lower humidity at 72%. For more details on September weather, visit Janske Lazne weather in September.

When comparing the weather in December and October, notable differences emerge. December is significantly colder, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 8°C (47°F), averaging around -1°C (30°F). In contrast, October enjoys milder conditions, with temperatures fluctuating between -4°C (24°F) and a warm high of 20°C (68°F) and an average of 8°C (46°F). Precipitation levels are somewhat comparable, with December receiving 80 mm (3.1 in) over 16 days and October slightly higher at 91 mm (3.6 in) over 13 days. Additionally, humidity is notably higher in December at 91% compared to October's 80%. For more details on October weather, you can check Janske Lazne weather in October.

In comparing the weather of December and November, it is evident that December is significantly colder. The minimum temperature in December plunges to -16°C (4°F), while November has a milder minimum of -9°C (16°F). The average temperature in December drops to -1°C (30°F), in stark contrast to November's average of 3°C (37°F). Additionally, December experiences more precipitation, totaling 80 mm (3.1 in) over 16 days compared to November's 50 mm (2.0 in) across 11 days. Humidity levels also rise in December, reaching 91%, compared to November's 87%. For more details, you can check out the Janske Lazne weather in November.

Compare Janske Lazne's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Janske Lazne

As December descends on Janske Lazne, the weather transforms into a brisk and chilly tableau, distinctly contrasting with the milder months preceding it. With a notable increase in precipitation, residents and visitors can expect to experience the charm of winter wonderland conditions, accompanied by high humidity levels that enhance the frosty ambiance. Although temperatures can drop dramatically, reaching biting lows, the occasional milder days offer a refreshing respite from the cold. This combination of chilly air and frequent precipitation makes December a unique month in Janske Lazne. For more detailed insights, you can explore the local weather patterns further at Janske Lazne Climate.