December Weather in Devinuwara, Sri Lanka

Last updated: March 19, 2025

December in Devinuwara, Sri Lanka offers a warm tropical climate characterized by average temperatures hovering around 26°C (80°F), with maximums reaching up to 32°C (89°F) and minimums dipping to 22°C (73°F). Visitors can expect significant humidity levels at 82%, contributing to a lush, vibrant atmosphere. However, be prepared for frequent showers, as December presents about 188 mm (7.4 in) of precipitation spread over 21 days. This combination of warmth and moisture creates a unique backdrop for exploring the natural beauty and cultural richness of the region.

December Temperature in Devinuwara

In December, Devinuwara, Sri Lanka, experiences delightful weather that marks the transitional phase toward the end of the year. With minimum temperatures hovering around 22°C (73°F) and an average of 26°C (80°F), the days are pleasantly warm, ideal for outdoor adventures. Although maximum temperatures can reach up to 32°C (89°F), you can still expect a comfortable climate that’s consistent with previous months. Interestingly, December aligns with a trend of moderate warmth seen throughout the year, with temperatures generally remaining stable, making it a perfect time to visit this coastal gem while enjoying a tropical paradise ambiance.

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

The chart illustrates December temperature patterns in Devinuwara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798081818181818080797979
Data source: Temperature data for Devinuwara 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 Devinuwara

In December, Devinuwara experiences a notable shift in precipitation, with 188 mm (7.4 in) of rainfall spread over 21 days. This pattern follows a steady climb in precipitation throughout the preceding months, peaking in November with 261 mm (10.3 in) as the wettest month of the year. As the year draws to a close, December’s rainfall represents a dip compared to the preceding months, yet it still contributes significantly to the region’s overall annual total. This trend suggests a gradual easing of the intense monsoon season, allowing for a refreshing respite while still maintaining a lush, vibrant ecosystem that characterizes this coastal paradise.

December Precipitation Trends in Devinuwara

The chart displays monthly precipitation patterns in Devinuwara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8577121173252189156170209258261188
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Devinuwara

In Devinuwara, Sri Lanka, December ushers in a humidity level of 82%, marking a continuation of the high moisture trend experienced throughout the year. Following a peak in June and October at 83%, the humidity slightly dips but remains consistent with the levels recorded in the earlier months of the year. Notably, January stands out with the highest humidity at 80%, but as the year progresses, a stable range of 77% to 82% becomes evident from February through November. This consistency suggests a tropical climate, where humidity is a defining characteristic, especially as the region approaches the end of the year. Overall, December's humidity reflects the ongoing tropical conditions that characterize life in Devinuwara, ensuring a warm and refreshing atmosphere for residents and visitors alike.

December Average Humidity in Devinuwara

This chart illustrates the average monthly humidity levels in Devinuwara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%77%77%76%83%81%83%82%83%81%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Devinuwara

In December, the UV Index in Devinuwara, Sri Lanka remains at a notable 11, classified under the extreme exposure category, which means a burn can occur in just 10 minutes of unprotected sun exposure. This index mirrors a slight decline from the peak values reached earlier in the year, where March and April stood out with a striking UV Index of 15. Despite this decrease, December's intensity still demands caution for outdoor activities, continuing a trend of high UV readings throughout the year, especially during the sun-drenched months of January through March. As the season shifts, staying informed and taking protective measures is essential. For more detailed information, check out the Devinuwara UV Index.

Maximum UV Index Levels in Devinuwara for December

The chart shows the monthly maximum UV Index (UVI) for Devinuwara 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.
JanFebMarAprMayJunJulAugSepOctNovDec131415151412131414131111
Data source: Devinuwara 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 Devinuwara

December in Devinuwara, Sri Lanka, brings a pleasing embrace of sunshine, featuring an impressive 309 hours of bright, warm rays. As the year winds down, daylight slowly decreases from the sunny highs of the summer months, where July boasted the most sunlight with 339 hours. The trend remains consistently vibrant, especially from March to June, showcasing over 330 hours each month. Even as November rolls in with slightly less brightness, December maintains a delightful glow, ensuring festive celebrations are illuminated by the sun's cheerful presence. This month serves as a beautiful send-off to the year, inviting both locals and travelers to bask in the tropical charm of Devinuwara.

Monthly Sunshine Duration in Devinuwara: December Highlighted

The December sunshine duration represents the total number of hours Devinuwara 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.
JanFebMarAprMayJunJulAugSepOctNovDec273h311h334h332h329h333h339h336h317h315h294h309h
Data source: Devinuwara December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Devinuwara During December

In December, Devinuwara, Sri Lanka enjoys a noteworthy 44% chance of sunny weather, marking it as one of the sunniest months of the year. This trend stands in stark contrast to the preceding months, where the likelihood of sunshine dwindles, peaking at just 23% in June and 21% in September. As the year winds down, the increase in sunny days not only highlights December’s appeal for visitors but also signals a transition from the rains of the monsoon season earlier in the year. With tropical warmth and vibrant landscapes, this month becomes an inviting time to explore the natural beauty and cultural richness of this coastal gem.

Percentage of Sunny Days in December in Devinuwara

The chart illustrates the percentage of sunny days in Devinuwara 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 Devinuwara experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%38%34%45%16%23%15%8%21%18%17%44%
Data source: Devinuwara December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Devinuwara in December

In Devinuwara, Sri Lanka, the daylight duration showcases a consistent pattern throughout the year. Starting from January to February, residents enjoy an equal span of 11 hours of daylight, setting a steady pace. As spring approaches in March, daylight stretches to 12 hours, ushering in longer days that continue through the summer months of April to August. The trend shifts again in September, marking a gradual return to shorter days that settle at 11 hours from October to December. This rhythmic cycle of light underscores the region's tropical climate and the natural ebb and flow of daylight, offering both locals and visitors alike the opportunity to savor the beauty of each season.

Average Daylight Hours in Devinuwara for December

The chart illustrates the variation in daylight duration in Devinuwara throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 48m11h 55m12h 4m12h 14m12h 22m12h 26m12h 24m12h 17m12h 7m11h 58m11h 50m11h 46m
Data source: Devinuwara daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Devinuwara

In December, the wind in Devinuwara, Sri Lanka begins to mellow, with an average speed of 2.1 m/s (5 mph), a subtle shift from the brisk breezes of the previous months. As the year wraps up, the winds reflect a noticeable trend; they peak in the mid-year with July boasting an average of 5.8 m/s (13 mph), creating a lively atmosphere that's perfect for water sports and coastal activities. In contrast, the earlier months of the year, particularly January and February, experience calmer conditions with average speeds around 2.0 m/s (4 mph). This seasonal ebb and flow not only showcases the dynamic climate of Devinuwara but also offers a unique experience to locals and visitors alike, blending serene moments with invigorating gusts throughout the year.

Average December Wind Speed in Devinuwara

The chart displays monthly wind speed patterns in Devinuwara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.92.42.74.15.35.85.25.04.33.92.1 m/s
Data source: Devinuwara December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Devinuwara Compares to Other Months

The weather in Devinuwara 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 Devinuwara and find detailed weather information for every month.

December and January exhibit similar average temperatures, with December experiencing a slight increase in minimum temperatures and January showing a higher maximum temperature. While December has a higher total precipitation of 188 mm over 21 days, January sees significantly less rainfall at 85 mm over just 12 days. Humidity levels in both months remain relatively high, with December slightly higher at 82% compared to January's 80%. Overall, January tends to be a bit drier and warmer, making it a more favorable time for outdoor activities. For more details, check out Devinuwara weather in January.

In December, the weather is characterized by warm temperatures, with a minimum of 22°C (73°F) and an average of 26°C (80°F), peaking at a maximum of 32°C (89°F). However, this month also sees significant rainfall, with 188 mm (7.4 in) of precipitation spread over 21 days, contributing to a high humidity of 82%. In contrast, February experiences slightly milder conditions, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 35°C (95°F) and an average of 27°C (81°F). February is notably drier, with only 77 mm (3.0 in) of precipitation over 13 days and decreased humidity at 77%. For more detailed insights, check out Devinuwara weather in February.

In December, the weather is characterized by slightly cooler temperatures, with an average of 26°C (80°F) and a maximum of 32°C (89°F). This month sees significant rainfall, accumulating to 188 mm (7.4 in) over 21 days, along with high humidity levels of 82%. In contrast, March experiences warmer conditions, with average temperatures rising to 27°C (81°F) and a maximum reaching 34°C (94°F). Precipitation decreases to 121 mm (4.8 in) over the same number of days, resulting in lower humidity at 77%. For further details, you can check Devinuwara weather in March.

In December, the weather features slightly cooler temperatures with a minimum of 22°C (73°F) and an average of 26°C (80°F), while April sees a marginal increase, with a minimum of 23°C (74°F) and an average of 27°C (82°F). Although both months experience similar maximum temperatures, April can reach up to 33°C (92°F) compared to December's 32°C (89°F). Precipitation is quite high in both months, with December receiving 188 mm (7.4 in) over 21 days and April slightly less at 172 mm (6.8 in) but over more days—25 in total. Humidity levels are also notable, with December being more humid at 82%, while April's humidity drops to 77%. For more detailed insights into April weather, check out Devinuwara weather in April.

In December, temperatures in Devinuwara typically range from a minimum of 22°C (73°F) to a maximum of 32°C (89°F), with an average of 26°C (80°F). The month experiences significant rainfall, with 188 mm (7.4 in) spread over 21 days, contributing to a high humidity level of 82%. In contrast, May sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum still reaching 32°C (90°F), averaging 27°C (82°F). However, May experiences even more precipitation, totaling 252 mm (9.9 in) over 29 days, while humidity decreases to 76%. These contrasts highlight the wetter conditions prevalent in May compared to December. For more details on the weather patterns, check out Devinuwara weather in May.

When comparing December and June weather, we can see some similarities and differences. Both months experience warm temperatures, with December having an average of 26°C (80°F) and June slightly warmer at 27°C (81°F). The maximum temperature in both months peaks at 32°C (89°F), showcasing a consistent warmth throughout the year. However, December brings in slightly lower minimum temperatures (22°C or 73°F) compared to June's (24°C or 75°F).

Precipitation levels are quite comparable, with December receiving 188 mm (7.4 in) across 21 days and June slightly higher at 189 mm (7.4 in) over 28 days. This results in both months being quite humid, with December at 82% and June at 83%. Overall, while the weather in both months is hot and humid, June experiences a marginally warmer start and more days of rainfall. For more detailed information on June weather, you can visit Devinuwara weather in June.

In December, the weather is generally warm with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 32°C (89°F), and an average of 26°C (80°F). The month sees significant precipitation, totaling 188 mm (7.4 in) over 21 days, accompanied by high humidity levels averaging 82%. Conversely, July experiences slightly warmer temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). Although it is marginally drier than December, July still has considerable rainfall, recorded at 156 mm (6.1 in) across 27 days, with humidity remaining steady at 81%. For a detailed look at the weather in July, you can check Devinuwara weather in July.

When comparing the weather in December and August, we see a few notable differences. December experiences slightly lower minimum and maximum temperatures, ranging from 22°C (73°F) to 32°C (89°F), compared to August’s range of 24°C (75°F) to 30°C (87°F). Both months have high averages of around 26°C (80°F) and 27°C (80°F) respectively, but December tends to be wetter, with 188 mm (7.4 in) of precipitation over 21 days, compared to August's 170 mm (6.7 in) spread over 27 days. Interestingly, both months maintain a high humidity level of 82%, creating a similarly sultry atmosphere. For more detailed information, you can check out Devinuwara weather in August.

In comparing the weather between December and September, we observe that both months feature similar average temperatures, hovering around 26°C (80°F). However, December experiences slightly cooler minimum and maximum temperatures, with a range from 22°C (73°F) to 32°C (89°F), compared to September's 23°C (74°F) to 31°C (88°F). Precipitation levels are notably higher in September, with 209 mm (8.2 in) over 26 days, compared to December's 188 mm (7.4 in) over 21 days. Despite having the same humidity level of 82%, the increased rainfall in September suggests a more frequent occurrence of wet weather during that month. For more detailed information, check Devinuwara weather in September.

When comparing the weather in December and October, both months show similar average temperatures, hovering around 26°C (80°F), with December featuring slightly lower maximum temperatures of 32°C (89°F) compared to October's 31°C (88°F). However, October experiences more rainfall, with 258 mm (10.2 in) over 27 days, compared to December's 188 mm (7.4 in) over 21 days. Humidity levels remain fairly close, with December at 82% and October at 83%. For a detailed look at October's weather patterns, visit Devinuwara weather in October.

In comparing the weather of December and November, both months exhibit similar average temperatures, with December experiencing a slightly lower minimum temperature of 22°C (73°F), compared to November’s 23°C (74°F). While both months have the same average temperature of 26°C (80°F), December sees a marginal increase in the maximum temperature, reaching 32°C (89°F) versus November’s 31°C (89°F). However, December is characterized by lower precipitation levels, with 188 mm (7.4 in) of rain over 21 days, unlike November, which receives 261 mm (10.3 in) over 26 days. Humidity levels are also comparable, with December at 82% and November at 81%. For a more detailed view of November weather in the region, you can visit Devinuwara weather in November.

Compare Devinuwara's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Devinuwara

As December unfolds in Devinuwara, the weather transforms, bringing a unique blend of warmth and moisture that sets it apart from the other months. With an inviting average temperature of 26°C (80°F), high humidity levels of 82%, and frequent rain, it creates a lush, vibrant environment that flourishes under the tropical sun. While the maximum temperature can reach a sizzling 32°C (89°F), the substantial precipitation, with about 188 mm (7.4 in) spread over 21 days, ensures that the landscape remains richly green, offering a refreshing contrast to the drier seasons. This combination of heat and rainfall makes December a month of dynamic weather patterns, perfect for those looking to experience the lively essence of tropical life. For a deeper understanding of what to expect, visit Devinuwara Climate.