December Weather in Paernu, Estonia

Last updated: August 21, 2025

December in Pärnu, Estonia is a month of striking contrasts, where temperatures oscillate between a brisk maximum of 8°C (47°F) and a chilling minimum of -20°C (-4°F). The average temperature settles around 0°C (32°F), reflecting the frosty embrace of winter. This month also sees 54 mm (2.1 in) of precipitation over approximately 13 days, contributing to the region's high humidity levels, which hover around 90%. As the town transforms into a winter wonderland, the crisp air and serene atmosphere offer a unique charm, inviting both locals and visitors to experience the season's beauty.

December Temperature in Paernu

In December, Pärnu, Estonia experiences a stark plunge into winter, as temperatures drop significantly with a minimum of -20°C (-4°F), an average hovering around 0°C (32°F), and peaks at 8°C (47°F). This month marks a transition from the milder conditions of fall, showcasing a typical winter chill that sets the atmosphere for festive celebrations. The overall trend in December reflects a steep descent into the cold, characteristic of the Baltic climate, where each passing day feels the bite of winter more intensely. As the year wraps up, residents and visitors alike brace for the frosty embrace, making it a perfect time for cozy indoor activities while enjoying the enchanting snowy landscapes.

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

The chart illustrates December temperature patterns in Paernu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Paernu, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec292833425263646255463931
Data source: Temperature data for Paernu 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 Paernu

December in Pärnu, Estonia experiences a notable climatic transition, with precipitation averaging 54 mm (2.1 in) over the month. This amount aligns closely with the preceding months, particularly November, which recorded 57 mm, suggesting a consistency in late fall rainfall patterns. Throughout December, precipitation occurs over approximately 13 days, indicating a persistent drizzle typical of the Estonian winter. The trend observed in the latter part of the year reveals a gradual increase in both precipitation and rainy days as the seasons change, with December maintaining the robust dampness that characterizes the lead-up to the new year. This consistency not only shapes the region's winter landscape but also influences local activities and ecosystems.

December Precipitation Trends in Paernu

The chart displays monthly precipitation patterns in Paernu, 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. In Paernu, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec414854475368879476875854
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Paernu

In December, Paernu, Estonia, experiences an average humidity of 90%, maintaining the high humidity levels typical of late autumn. This month mirrors the slightly elevated humidity seen in November and October, indicating a consistent trend of moist conditions as winter approaches. As the year progresses, humidity levels gradually decrease from a peak of 92% in January, reflecting a subtle but steady transition toward drier months in spring. Notably, the jump from 76% in May to 80% in June illustrates the shift from the spring blooms to the more humid summer season. This persistence of high humidity through the winter months influences the crisp, chilly air of December, while also foreshadowing the moisture-laden atmosphere of the upcoming year.

December Average Humidity in Paernu

This chart illustrates the average monthly humidity levels in Paernu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Paernu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Paernu

In December, Pärnu, Estonia experiences a low UV Index of 1, similar to the preceding winter months of November and January. With a burn time of 45 minutes, residents and visitors can comfortably enjoy outdoor activities without significant risk of sunburn. As the year progresses, a noticeable shift occurs starting in March, when the UV index rises to 3 and enters the moderate category, indicating increased sun exposure. By June and July, the index peaks at 7, demanding more cautious sun protection due to high exposure levels. However, as the year winds down, the trend reverts to lower UV levels, giving a clear seasonal rhythm to sun safety in Pärnu. For more detailed insights, check out the Paernu UV Index.

Maximum UV Index Levels in Paernu for December

The chart shows the monthly maximum UV Index (UVI) for Paernu 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. In December, the maximum UV index in Paernu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Paernu 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 Paernu

As December arrives in Pärnu, Estonia, the days grow shorter, bringing a modest 68 hours of sunshine. This marks a significant decline from the verdant 441 hours basked in during May and a stark contrast to the sunnier summer months like June and July, which provide around 470 hours of radiant daylight. While the warmth of summer is a distant memory, the transition into winter offers a soothing calm as the year winds down. Interestingly, sunshine begins to sneak back into the equation in February, with 150 hours hinting at brighter days to come. This cyclical ebb and flow of sunlight not only shapes Pärnu’s landscapes but also its rhythm of life, encouraging residents to cherish the fleeting moments of light amid the crisp winter air.

Monthly Sunshine Duration in Paernu: December Highlighted

The December sunshine duration represents the total number of hours Paernu 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.
JanFebMarAprMayJunJulAugSepOctNovDec66h150h265h357h441h471h466h395h307h212h121h68h
Data source: Paernu December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Paernu During December

In Pärnu, Estonia, the likelihood of enjoying sunny weather in December is relatively low at just 19%. This marks a decline from the preceding month, November, which offers a slightly better 20% chance of sunshine. As the year progresses, a clear trend emerges: the chances of sunny days begin to rise noticeably in the spring, peaking at 53% in both June and July. This seasonal shift underscores Pärnu's transition from dark, damp winter months to brighter, sun-drenched days in summer, making December a rather gloomy time for sun-seekers.

Percentage of Sunny Days in December in Paernu

The chart illustrates the percentage of sunny days in Paernu 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 Paernu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec6%16%30%39%33%53%53%27%30%27%20%19%
Data source: Paernu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Paernu in December

In Pärnu, Estonia, the daylight duration goes through a captivating seasonal evolution, peaking in the long, sunlit days of June with an impressive 18 hours. As the year winds down, November brings a brief return to 7 hours of daylight, but December offers a stark contrast with only 6 hours. This gradual decline from fall into winter highlights the dramatic shift in daylight, as the longer days of spring and summer, reaching 16 hours in May and 14 hours in April, give way to the darker months. As the seasons cycle through, the ebb and flow of sunlight not only shapes daily life in Pärnu but also beautifully underscores the region's connection to nature’s rhythms.

Average Daylight Hours in Paernu for December

The chart illustrates the variation in daylight duration in Paernu throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 9m9h 19m11h 52m14h 28m16h 51m18h 11m17h 28m15h 16m12h 45m10h 10m7h 47m6h 25m
Data source: Paernu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Paernu

In December, Pärnu, Estonia, experiences a gentle average wind speed of 3.8 m/s (9 mph), wrapping the landscape in a serene chill as winter approaches. This marks a slight increase from the calmer summer months, where winds dipped to their lowest, particularly in June at 2.7 m/s (6 mph). As the year transitions towards its close, wind speeds gradually rise from the summer’s lull, revealing a trend that sees the autumn months, especially October, peaking at 4.8 m/s (11 mph). December’s breezes carry a hint of the coming cold, balancing the remnants of autumn's strength with the tranquility of winter’s embrace, creating a uniquely atmospheric experience for residents and visitors alike.

Average December Wind Speed in Paernu

The chart displays monthly wind speed patterns in Paernu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.54.44.23.72.73.24.13.94.84.23.8 m/s
Data source: Paernu December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Paernu Compares to Other Months

Weather in Paernu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Paernu, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January in Paernu present distinctly cold conditions, but January tends to be even chillier. In December, temperatures range from a minimum of -20°C (-4°F) to an average of 0°C (32°F), with a maximum of 8°C (47°F) and 54 mm (2.1 in) of precipitation over 13 days. Humidity hovers around 90%. In contrast, January sees slightly lower temperatures, with a minimum of -24°C (-10°F) and an average of -1°C (30°F), while still reaching a maximum of 8°C (46°F). Precipitation decreases to 41 mm (1.6 in) over just 9 days, alongside an uptick in humidity to 92%. For a detailed look at January's specific conditions, you can refer to Paernu weather in January.

December and February exhibit notable similarities in temperature and precipitation, yet there are key differences to consider. In December, the temperature ranges from a minimum of -20°C (-4°F) to a maximum of 8°C (47°F), with an average of 0°C (32°F) and notable humidity at 90%. The month experiences around 54 mm (2.1 in) of precipitation over 13 days. In contrast, February sees a slightly colder minimum temperature of -25°C (-14°F) and an average temperature of -2°C (28°F), but the maximum remains consistent at 8°C (46°F). Precipitation in February is slightly lower at 48 mm (1.9 in) over 10 days, with humidity slightly higher at 91%. For a deeper look into the conditions during this month, you can check Paernu weather in February.

In comparing the weather of December and March, both months share similar average temperatures, hovering around 0°C (32°F). However, December features a milder max temperature of 8°C (47°F) compared to March's higher 13°C (55°F). Interestingly, both months receive about the same amount of precipitation, with December seeing rain or snow on approximately 13 days, while March has slightly less at 12 days. Humidity levels remain consistent at 90% for both months, contributing to a chilly atmosphere. For more details about the weather trends in March, you can check out Paernu weather in March.

In December, the weather is significantly colder, with temperatures ranging from a chilling -20°C (-4°F) at night to a maximum of 8°C (47°F) during the day, averaging around 0°C (32°F). The month experiences heavy precipitation over 13 days, contributing to a high humidity level of 90%. In contrast, April brings a noticeable warming trend, with temperatures ranging from a minimum of -7°C (19°F) to a pleasant maximum of 23°C (73°F) and an average of 5°C (42°F). This month sees slightly less precipitation, averaging 47 mm (1.8 in) over about 10 days, and a slightly lower humidity level of 87%. For a more detailed look at April's weather, you can check Paernu weather in April.

December and May showcase starkly contrasting weather conditions. December is characterized by frigid temperatures, with a minimum of -20°C (-4°F) and an average hovering around 0°C (32°F), while May warms up significantly, featuring a minimum of -4°C (24°F) and an average of 11°C (52°F). The maximum temperatures in May can reach a delightful 29°C (84°F), compared to December's relatively mild high of 8°C (47°F). Precipitation levels are similar, with December receiving 54 mm (2.1 in) over 13 days and May slightly less at 53 mm (2.1 in) over just 9 days. Additionally, humidity is higher in December at 90%, while May enjoys a more comfortable 76%. For more information, check out Paernu weather in May.

In December, the weather is characterized by much colder temperatures, with a minimum of -20°C (-4°F) and an average of 0°C (32°F), peaking at 8°C (47°F). This month experiences 54 mm (2.1 in) of precipitation over 13 days, accompanied by a high humidity of 90%, creating a frigid and damp atmosphere. In contrast, June brings significantly warmer conditions, with temperatures ranging from a minimum of 2°C (36°F) to an average of 17°C (63°F), and a maximum of 33°C (92°F). Although June has slightly more precipitation at 68 mm (2.7 in) spread over 12 days, the humidity is lower at 80%, contributing to a more comfortable, summery feel. For a detailed look at June weather, check out Paernu weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -20°C (-4°F), with an average around 0°C (32°F) and a maximum of 8°C (47°F), creating a cold and crisp atmosphere. The month experiences considerable humidity at 90% and sees 54 mm (2.1 in) of precipitation over 13 days, contributing to the wintry landscape. In contrast, July brings a much warmer climate, where temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). Although July has slightly higher precipitation at 87 mm (3.4 in) over the same 13 days, the humidity is lower at 80%, resulting in a more comfortable summer environment. For a closer look at July weather specifics, visit Paernu weather in July.

In December, the weather is characterized by much colder temperatures, with averages hovering around 0°C (32°F) and potential lows reaching -20°C (-4°F). This month experiences significant humidity at 90%, contributing to a chilly atmosphere despite relatively low precipitation levels of 54 mm (2.1 in) over 13 days. In contrast, August brings a much warmer climate, with average temperatures around 17°C (63°F) and highs peaking at 31°C (87°F). Although it sees increased precipitation at 94 mm (3.7 in) over the same number of days, the humidity is slightly lower at 83%. For a closer look at August weather specifics in the region, you can explore Paernu weather in August.

December and September present stark contrasts in weather conditions. In December, temperatures can drop as low as -20°C (-4°F), with an average of 0°C (32°F) and a maximum of 8°C (47°F), leading to a chilly atmosphere. This month sees a higher humidity level of 90% and receives 54 mm (2.1 in) of precipitation over 13 days. In comparison, September offers much milder temperatures, ranging from a minimum of -2°C (29°F) to an average of 13°C (55°F) and reaching up to 25°C (78°F). Although September also experiences precipitation on 13 days, it totals 76 mm (3.0 in), while humidity remains slightly lower at 87%. For more detailed information, check out Paernu weather in September.

When comparing the weather in December to October, there is a stark contrast in temperature. December's temperatures can plunge to a minimum of -20°C (-4°F), with an average of 0°C (32°F) and a maximum of 8°C (47°F), making it significantly colder than October, which has a more mild range with minimums of -6°C (22°F), averages of 8°C (46°F), and maximums reaching 20°C (67°F). Precipitation is also noteworthy; December sees 54 mm (2.1 in) over 13 days, whereas October experiences more precipitation at 87 mm (3.4 in) over 14 days. Both months share high humidity levels at 90%, but the overall feel of October is much more temperate and inviting compared to the frigid conditions of December. For more detailed information, you can check Paernu weather in October.

In December, the weather becomes significantly colder compared to November, with average temperatures dropping to 0°C (32°F) and a minimum of -20°C (-4°F). This contrasts sharply with November's warmer averages, where temperatures range from a minimum of -8°C (17°F) to a maximum of 12°C (55°F). While December sees slightly less precipitation at 54 mm (2.1 in) over 13 days, November has 57 mm (2.3 in) over just 11 days. Humidity levels remain high in both months, with December at 90% and November at 91%. For more detailed insights into weather conditions, you can check Paernu weather in November.

Compare Paernu's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Paernu

In December, Paernu transforms into a winter wonderland, distinctly differing from other months with its chill and festive atmosphere. While temperatures dip to an average of 0°C, the cold can feel more pronounced on frosty nights, occasionally plummeting to -20°C. This month also brings increased precipitation, with 13 wet days contributing to a humidity level that hovers around an impressive 90%. Such conditions make December perfect for enjoying cozy indoor activities or embracing the beauty of winter outdoors. To explore more about Paernu's climate throughout the year, visit Paernu Climate.