Last updated: March 19, 2025
Discover the January weather in Kalutara, Sri Lanka, where temperatures embrace a warm range, with a maximum of 31°C (89°F) and an average of 26°C (80°F). The minimum temperature hovers around 20°C (69°F), creating a pleasant atmosphere for both residents and visitors. This month sees a precipitation total of 76 mm (3.0 in) over approximately 9 days, contributing to the lush greenery that defines the region. With humidity levels at 77%, expect a tropical experience that enhances the vibrancy of Kalutara's natural beauty.
In January, Kalutara, Sri Lanka experiences pleasant and inviting temperatures that set the tone for the year ahead. With a minimum of 20°C (69°F) and an average of 26°C (80°F), the weather gradually warms up during the month, peaking at a comfortable maximum of 31°C (89°F). This trend of increasing temperatures can be observed as February follows with slightly warmer nights and days, heralding the transition into the hotter months. Throughout the subsequent months leading into April, temperatures rise consistently; by then, the mercury can reach up to 33°C (91°F). This pattern not only highlights the tropical charm of the region but also encourages outdoor adventures and vibrant local festivities, making Kalutara a delightful destination to explore in January and beyond.
In January, Kalutara, Sri Lanka, experiences relatively moderate precipitation, with a total of 76 mm (3.0 in) recorded over 9 days. This marks the beginning of the year with a gentle onset of rain, laying the foundation for the wetter months ahead. As the year progresses, precipitation levels rise significantly, reaching a peak in May with 347 mm (13.7 in) over 30 days. This escalating trend of rainfall continues into June, July, and August, highlighting the region's transition into its rainy season. Interestingly, January's dry spell contrasts sharply with the heavy rainfall in the subsequent months, reflecting the dynamic climate patterns characteristic of Kalutara.
In January, Kalutara, Sri Lanka experiences a comfortable humidity level of 77%, setting the tone for a generally tropical climate. As the months progress, humidity gradually shifts, dipping slightly to 73% in February before stabilizing around the mid-seventies for the next few months. This trend of moderate humidity continues until June, when levels soar to 82%, reflecting the onset of the wetter season. Throughout the summer months of July and August, humidity peaks at 83%, providing a lush, verdant backdrop for the region. As the year winds down, humidity remains consistently high, hovering around 80% from November to December, indicating that Kalutara's tropical atmosphere persists year-round. The variations in humidity not only illustrate the cyclical nature of the climate but also enhance the region's rich biodiversity.
In January, Kalutara, Sri Lanka, experiences a UV Index of 12, classified as extreme, indicating that unprotected skin can burn in just 10 minutes. This high level of UV exposure is consistent with the trend throughout the early months of the year, as February and March see an increase to 14, maintaining the extreme category. Notably, April peaks at a UV Index of 15, before slightly retreating to 14 in May and 12 in June. The intensity remains significant over the summer months, with July and August hovering around 13 and 14, respectively. As September and October approach, the UV Index remains elevated at 14 and 13, showcasing a sustained risk of overexposure. By November and December, the index begins to taper off, dropping to 11 and 10, still categorized as very high but allowing for a brief 15-minute burn time in December. Visitors and locals alike should stay vigilant throughout the year, particularly in the early months, for further details on safe sun exposure, check out Kalutara UV Index.
UV Risk Categories
In January, Kalutara, Sri Lanka, basks in approximately 270 hours of glorious sunshine, setting the tone for a delightful year. As winter transitions to spring, February experiences a notable increase, with 308 hours of sunshine, followed by a peak in March at 332 hours, making it the sunniest month. The brilliance continues into April and May, with 329 and 314 hours, respectively, ensuring plenty of daylight for sightseeing and relaxation. As the year progresses, sunshine hours remain relatively stable, hovering around the 300-hour mark through the summer months. Notably, while there is a slight decline from August to November, with 281 hours in November, Kalutara's consistent warmth and bright skies make it an ideal destination to escape the chill of winter elsewhere. With 306 hours of sunshine in October and 307 hours in December, the year's end still offers plenty of light to enjoy the tropical paradise.
In January, Kalutara, Sri Lanka, experiences a modest 18% chance of sunny weather, setting a contemplative tone for the new year. This likelihood is notably low compared to the burgeoning probabilities of sunshine in the following months, particularly February, which jumps to 47%. As the calendar moves into the early months of the year, sunny days become more prevalent, peaking again in December at 48%. The trend throughout January is one of a gradual transition; as the region shakes off the remnants of monsoon season, the potential for brighter days significantly increases in February and beyond, presenting a vibrant shift in Kalutara's winter landscape.
In Kalutara, Sri Lanka, the daylight duration throughout January is a consistent 11 hours, mirroring the same length in February. As the month of March arrives, the days stretch to 12 hours, a trend that continues from April through August, bringing ample sunlight for outdoor activities and exploration. This consistent daylight duration creates an inviting atmosphere, ideal for enjoying the vibrant landscapes. However, as the months transition to September and then October, daylight returns to 11 hours before tapering off in November and December. The rhythmic ebb and flow of daylight in Kalutara beautifully showcases the tropical climate's embrace, encouraging both residents and visitors to savor the warmth and sunshine throughout the year.
In January, Kalutara experiences a gentle breeze with an average wind speed of 2.2 m/s (5 mph), setting a serene tone for the beginning of the year. As the months progress, the winds gradually pick up, peaking in July at 4.8 m/s (11 mph), heralding the onset of the monsoon season. This seasonal shift not only invigorates the coastal atmosphere but also brings a refreshing contrast to the calmer January skies. As temperatures rise towards May, the wind becomes noticeably stronger, providing a delightful respite from the heat. Following the mid-year peak, winds slightly taper down in the latter part of the year, with December bringing back the soothing calm of 2.0 m/s (4 mph). Overall, the wind patterns in Kalutara showcase a dynamic interplay between tranquility and vitality, creating an inviting backdrop for both residents and visitors alike.
The weather in Kalutara changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Kalutara and find detailed weather information for every month.
January and February exhibit relatively similar weather patterns, but February tends to be slightly warmer and drier. In January, temperatures range from a minimum of 20°C (69°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F) and total precipitation of 76 mm (3.0 in) over 9 wet days, contributing to a humidity level of 77%. In contrast, February sees a slightly higher minimum temperature of 22°C (71°F) and a maximum of 32°C (90°F), with an average temperature of 27°C (81°F). Additionally, February experiences lower precipitation at 65 mm (2.5 in) across 11 days and a decrease in humidity to 73%. For more detailed insights, check out Kalutara weather in February.
In comparing the weather between January and March, we see a notable increase in temperatures, with March boasting a minimum temperature of 23°C (74°F) compared to January's 20°C (69°F). The average temperatures are fairly close, with January averaging 26°C (80°F) and March slightly warmer at 27°C (82°F). However, March experiences a higher maximum temperature of 32°C (90°F), increasing from January's 31°C (89°F). Rainfall also intensifies in March, where precipitation reaches 118 mm (4.7 in) over 16 days, in contrast to January's 76 mm (3.0 in) over 9 days. Humidity levels remain relatively stable, with January at 77% and March slightly lower at 74%. For a detailed look at the weather patterns, you can visit Kalutara weather in March.
In January, the weather is warm with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 31°C (89°F), averaging around 26°C (80°F). The month experiences a considerable amount of rainfall, totaling 76 mm (3.0 in) over about 9 days, and maintains a high humidity level of 77%. In contrast, April sees slightly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 33°C (91°F), averaging 28°C (82°F). However, April is characterized by increased precipitation, totaling 144 mm (5.7 in) over 24 days, while humidity decreases slightly to 74%. For more detailed information, you can visit Kalutara weather in April.
In January, the weather in Kalutara is warm with a minimum temperature of 20°C (69°F) and an average of 26°C (80°F), peaking at 31°C (89°F). However, it experiences relatively low precipitation, with only 76 mm (3.0 in) falling over about 9 days and humidity around 77%. In contrast, May sees a marked increase in humidity and precipitation, with temperatures ranging from a minimum of 25°C (77°F) to an average of 28°C (82°F) and a maximum of 31°C (88°F). Rainfall during this month significantly rises to 347 mm (13.7 in) over a much wetter timeframe of 30 days. For more details, you can check Kalutara weather in May.
January and June exhibit notable differences in weather patterns. In January, temperatures range from a minimum of 20°C (69°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). Precipitation in this month is relatively moderate, with 76 mm (3.0 in) falling over about 9 days, and humidity levels hover around 77%. In contrast, June experiences warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (86°F), averaging 27°C (81°F). However, it also brings significantly more rainfall, totaling 330 mm (13.0 in) over approximately 29 days, coupled with slightly higher humidity at 82%. For further details, you can check Kalutara weather in June.
In January, the weather is warm and relatively dry, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 31°C (89°F). The month sees about 76 mm (3.0 in) of rainfall over approximately 9 days, along with a humidity level of 77%. In contrast, July experiences higher humidity at 82% and significantly more rainfall, totaling 263 mm (10.4 in) over 29 days. The temperatures in July are also warmer, with a minimum of 25°C (77°F) and an average of 27°C (81°F), but they remain slightly cooler than January's peak. For a more detailed look at July weather, you can check out Kalutara weather in July.
In January, the weather is characterized by relatively warm temperatures, ranging from a minimum of 20°C (69°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). The month sees about 76 mm (3.0 in) of precipitation spread over approximately 9 days, and the humidity hovers around 77%.
In contrast, August brings higher minimum temperatures at 24°C (76°F) and a slightly lower maximum of 29°C (85°F), with an average temperature similar to January at 27°C (80°F). However, August is significantly wetter, receiving 296 mm (11.6 in) of rainfall across 29 days, along with increased humidity levels at 83%.
For more specific details on August weather, you can visit Kalutara weather in August.
January and September weather presents notable differences, particularly in temperature and precipitation. In January, the temperatures range from a minimum of 20°C (69°F) to a maximum of 31°C (89°F), with an average temperature of 26°C (80°F). The month experiences about 76 mm (3.0 in) of rainfall over 9 days and a humidity level of 77%. In contrast, September is warmer, with minimum temperatures at 24°C (75°F) and a maximum of 30°C (86°F), while the average remains similar at 27°C (80°F). However, September is significantly wetter, receiving 277 mm (10.9 in) of rain across 27 days, and the humidity rises slightly to 82%. For more specific insights on the weather during this month, you can visit Kalutara weather in September.
In January, the weather features a warm and pleasant climate with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 31°C (89°F). The average temperature hovers around 26°C (80°F), accompanied by a relatively low precipitation of 76 mm (3.0 in) spread over 9 days, with humidity at 77%.
In contrast, October sees slightly higher minimum temperatures at 24°C (75°F) and a maximum of 30°C (85°F), with an average temperature of 27°C (80°F). However, it experiences a significant increase in rainfall, totaling 324 mm (12.7 in) over 30 days, and humidity rises to 81%. This stark difference highlights October as a much wetter and more humid month compared to January. For more details, you can check out Kalutara weather in October.
In January, the weather typically features a minimum temperature of 20°C (69°F) and an average temperature of 26°C (80°F), with maximum temperatures reaching 31°C (89°F). This month experiences relatively low precipitation, totaling 76 mm (3.0 in) over about 9 days, with humidity levels around 77%. In contrast, November sees slightly warmer minimum temperatures at 23°C (74°F) and a similar average of 26°C (80°F), but max temperatures are a bit cooler at 30°C (86°F). Notably, November is significantly wetter, with 292 mm (11.5 in) of rain falling over 26 days and humidity rising marginally to 80%. For more details on weather patterns specific to November, you can visit Kalutara weather in November.
In comparing the weather between January and December, both months exhibit warm temperatures, with January having a slightly lower minimum temperature of 20°C (69°F) compared to December's 22°C (72°F). The average temperatures remain the same at 26°C (80°F) for both months, but January's maximum temperature reaches a slightly higher 31°C (89°F) compared to December's 30°C (87°F). However, December experiences significantly higher precipitation at 188 mm (7.4 in) over 19 days, while January sees only 76 mm (3.0 in) across 9 days. Humidity levels are comparable, with January at 77% and December slightly higher at 80%. For more detailed insights, you can check Kalutara weather in December.
January in Kalutara presents a delightful blend of warmth and occasional rain, setting it apart from the other months. With average temperatures hovering around a comfortable 26°C (80°F), the humidity stays high at 77%, creating a tropical atmosphere that many find invigorating. Unlike the drier months ahead, January experiences about nine rainy days, contributing 76 mm (3.0 in) of precipitation and ensuring the lush greenery typical of this coastal region is at its finest. Whether you're looking to bask in the sun or enjoy the refreshing showers, January offers a unique weather experience. For a deeper understanding of what to expect year-round, explore Kalutara Climate.