Last updated: March 19, 2025
In January, Jaffna, Sri Lanka experiences a tropical climate characterized by mild temperatures and moderate humidity. The maximum temperature reaches around 29°C (84°F), while the average settles comfortably at 26°C (79°F), with nighttime lows averaging 24°C (75°F). Despite the warm weather, precipitation is noticeable, totaling 96 mm (3.8 in) across approximately 8 days, contributing to the region's lush landscape. With humidity levels around 76%, visitors can expect a refreshing yet slightly tropical ambiance, making January an intriguing month for experiencing Jaffna's unique charm.
In January, Jaffna, Sri Lanka, experiences warm and inviting temperatures ideal for exploring its vibrant culture. The month kicks off with a comfortable average temperature of 26°C (79°F), ranging from a pleasant 24°C (75°F) at night to a maximum of 29°C (84°F) during the day. As the season transitions into February, Jaffna sees slight warmth creeping in, characterized by an average of 26°C (80°F), while high temperatures peak at 30°C (86°F). This trend of gradually increasing warmth continues throughout the months, with March and April reaching highs of 31°C (87°F) and 32°C (89°F), respectively. Despite these warmer spellings, the nights remain mild, rarely dropping below 25°C (77°F). As the year progresses, temperatures stabilize in the late 20s, keeping the climate consistently enjoyable. Overall, January serves as a delightful starting point to Jaffna's warm climatic embrace, hinting at the sultry days ahead.
In January, Jaffna experiences a significant transition in its climatic rhythm, with total precipitation measuring 96 mm (3.8 in) across 8 rainy days. This marks a noticeable peak at the beginning of the year, setting the stage for a wet season. As the months progress, precipitation levels taper off sharply in February and March, plummeting to just 17 mm (0.7 in) and 18 mm (0.7 in), respectively. This pattern continues until April, when rainfall begins to rise again, culminating in the dramatic wetness of November, which sees an astonishing 396 mm (15.6 in) over 24 days. The January rains, while not as intense as those later in the year, play a crucial role in preparing the landscape for the coming months, showcasing the region's unique precipitation trends that ebb and flow throughout the year.
In January, Jaffna, Sri Lanka, experiences a notable humidity level of 76%, setting the stage for the more sultry months ahead. As the days transition into February and March, humidity dips slightly to 69%, offering a brief respite. However, by April, the moisture in the air rebounds to 76%, hinting at the impending warmth of the summer months. The peak humidity is observed in the mid-year, with June and July soaring to 82% and 83% respectively, while August reaches its zenith at 87%. As the monsoon period unfolds, humidity levels remain consistently high through September, October, and November, all hovering around 86%. Despite the fluctuations, January's humidity serves as a precursor to the lush and wet landscape that characterizes Jaffna's climate for much of the year.
In January, Jaffna, Sri Lanka, experiences a UV Index of 11, placing it in the extreme category, with a burn time of just 10 minutes. This high level of UV exposure marks the beginning of a trend that continues throughout the first half of the year. As the months progress, the UV Index peaks in April at 15 before stabilizing around the 13-14 range during the summer months. Interestingly, while the UV Index slightly declines in October and November, it remains predominantly in the extreme category, indicating that caution is essential year-round. Residents and visitors should take protective measures against the intense sun, particularly during these early months. For more detailed insights, visit the Jaffna UV Index.
UV Risk Categories
January in Jaffna, Sri Lanka, sets the tone for the year with 265 hours of radiant sunshine, a perfect beginning to the vibrant coastal season. As the months progress, sunlight builds its momentum, peaking in March with 346 hours, inviting more outdoor activities and cultural festivities. Interestingly, April and May maintain this brilliant streak, both offering 344 and 346 hours respectively, before slightly tapering off into the hotter summer months of June and July. Despite this minor dip, Jaffna enjoys a commendable amount of sunshine throughout the year, with August to October bringing a gentle decline yet still exceeding 300 hours. Finally, November bids farewell to the year with 267 hours, reminding us of the beautiful sunshine that graced Jaffna, while December closes with a robust 303 hours, hinting that the warm embrace of the sun will surely return.
In Jaffna, Sri Lanka, January welcomes a modest 27% chance of sunny weather, laying the groundwork for what lies ahead in the subsequent months. As the year progresses, the likelihood of sunshine significantly increases, peaking in March and April with chances soaring to 60% and 61% respectively. This trend illustrates a gradual transition from January's relatively overcast days to the bright and vibrant skies of early spring. Interestingly, after the summer months, the chance of sun dips again, highlighting a distinct seasonal fluctuation. Thus, while January may not be the sunniest month, it marks the beginning of a promising stretch towards brighter days, particularly in February and March.
In Jaffna, Sri Lanka, January marks the beginning of a seasonal rhythm with a steady 11 hours of daylight. This consistent light extends into February, hinting at the approaching shift as the days gradually lengthen. By March, the daylight increases to 12 hours, a duration that remains stable from April through August, creating a warm and vibrant atmosphere perfect for outdoor activities. As September arrives, the daylight duration begins to taper off, transitioning back to 11 hours in October. This pattern continues through November and December, concluding the year with the same cozy daylight hours that started it, showcasing a distinct yet gradual ebb and flow in the rhythm of Jaffna's daylight throughout the year.
In January, Jaffna experiences a moderate average wind speed of 5.6 m/s (13 mph), setting a pleasantly breezy tone for the start of the year. As the months unfold, winds gradually shift, peaking in June at 7.3 m/s (16 mph), bringing a refreshing vigor to the coastal air. This upward trend in wind speed continues through July and August, when the winds remain robust, only to slightly taper off as autumn approaches. By late winter, November and December see a gentle decline to around 5.1 m/s (11 mph) and 5.4 m/s (12 mph), respectively, creating a soothing wrap-up to the year. Overall, the January winds herald a season of balance, evoking a serene atmosphere that perfectly complements Jaffna's coastal charm.
The weather in Jaffna 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 Jaffna and find detailed weather information for every month.
In January, Jaffna experiences warm weather with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) and an average of 26°C (79°F). The month sees considerable rainfall, totaling 96 mm (3.8 in) over about 8 days, contributing to a higher humidity level of 76%. In contrast, February offers slightly milder conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (86°F), while maintaining the same average of 26°C (80°F). Precipitation significantly drops to 17 mm (0.7 in) over just 4 days, and humidity decreases to 69%. For more detailed insights about the weather during this month, you can check Jaffna weather in February.
In January, the weather in Jaffna is typically warm, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) and an average of 26°C (79°F). It tends to be wetter during this month, with around 96 mm (3.8 in) of precipitation occurring over 8 days, accompanied by a relatively high humidity level of 76%.
In contrast, March sees slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 31°C (87°F), averaging 28°C (82°F). The month is much drier, experiencing only 18 mm (0.7 in) of rain over just 5 days, and the humidity decreases to 69%. For a detailed look at the weather specifics, you can check out Jaffna weather in March.
When comparing the weather in January and April, January tends to be slightly cooler with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F). In contrast, April sees a rise in temperatures, with averages between 25°C (78°F) and 32°C (89°F). Additionally, January experiences more rainfall, totaling 96 mm (3.8 in) over 8 days, while April is drier with only 29 mm (1.2 in) of precipitation across 6 days. The humidity in January is higher at 76%, whereas April has a more comfortable level at 69%. For more detailed insights about April weather, you can check Jaffna weather in April.
In January, the weather in Jaffna is characterized by slightly cooler temperatures, with a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). The month experiences higher precipitation levels of 96 mm (3.8 in) over 8 days, along with a consistent humidity of 76%. In contrast, May sees warmer temperatures, ranging from a minimum of 27°C (80°F) to a maximum of 32°C (90°F), with an average of 29°C (85°F). While the overall precipitation decreases to 56 mm (2.2 in), it occurs over a longer period, with rain on 13 days. Nonetheless, humidity remains constant at 76%. For a deeper look into the climate details for this time of year, you can explore Jaffna weather in May.
In January, the weather in Jaffna is relatively warm, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) and an average of 26°C (79°F). This month experiences higher precipitation levels of 96 mm (3.8 in) over 8 days, contributing to a humidity level of 76%. In contrast, by June, the temperatures rise slightly to a minimum of 26°C (80°F) and reach a maximum of 31°C (88°F), averaging around 29°C (85°F). Rainfall decreases significantly to just 32 mm (1.3 in) over 7 days, although the humidity increases to 82%. For more specific details on June weather in Jaffna, you can check this link: Jaffna weather in June.
In January, the weather is generally warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), while the average temperature sits at around 26°C (79°F). This month experiences about 96 mm (3.8 in) of precipitation over approximately 8 days, and the humidity level is around 76%. In contrast, July sees slightly higher temperatures, with a minimum of 26°C (79°F) and a maximum of 31°C (89°F), averaging 29°C (84°F). Although July has a higher number of rainy days, totaling 13, the total precipitation is lower at 62 mm (2.4 in), and humidity rises to 83%. For more details on July weather, visit Jaffna weather in July.
In January, the weather in Jaffna is warm and relatively humid, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F). This month experiences a total precipitation of 96 mm (3.8 in) spread over 8 days, contributing to a humidity level of 76%.
In contrast, August sees slightly warmer temperatures, with averages between 26°C (79°F) and 31°C (88°F). Although it is the wetter month with 65 mm (2.5 in) of rainfall over 13 days, the humidity rises to 87%, making the air feel muggier. For more details, you can check out Jaffna weather in August.
In January, the weather typically features slightly cooler temperatures, with minimums around 24°C (75°F) and maximums peaking at 29°C (84°F). During this month, there is an average precipitation of 96 mm (3.8 in) over about 8 days, accompanied by a humidity level of 76%. In contrast, September brings warmer conditions, with minimum temperatures rising to 25°C (78°F) and maximums reaching up to 31°C (88°F). Precipitation in September increases slightly to 100 mm (3.9 in), occurring over 17 days, and the humidity also rises to 86%. For more detailed information, you can check Jaffna weather in September.
In January, the weather in Jaffna is characterized by mild temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), making it slightly cooler compared to October. However, October brings warmer conditions, featuring a minimum temperature of 25°C (77°F) and an average of 28°C (82°F). The humidity rises in October to 86%, compared to January's 76%, contributing to a more humid atmosphere. In addition to the warmth, October experiences significantly higher precipitation, with 220 mm (8.7 in) of rain over 23 days, whereas January sees only 96 mm (3.8 in) over 8 days. For more details on the weather patterns in October, you can check Jaffna weather in October.
In January, temperatures in Jaffna range from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), with an average of 26°C (79°F). The weather is relatively drier, with only 96 mm (3.8 in) of precipitation over about 8 days and humidity levels at 76%. In contrast, November experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 29°C (85°F). However, it is notably wetter, receiving 396 mm (15.6 in) of rainfall spread over 24 days, accompanied by higher humidity at 86%. For those interested in a detailed look at November's weather patterns, you can visit Jaffna weather in November.
In Jaffna, January and December exhibit similar temperature profiles, with both months experiencing minimums around 24°C (75°F), averages of 26°C (79°F), and maximums reaching 29°C (84°F). However, December is notably wetter, receiving 254 mm (10.0 in) of rainfall over 18 days, compared to January’s 96 mm (3.8 in) over just 8 days. Additionally, December’s humidity is higher at 85%, while January sees a more comfortable 76%. For a more detailed look at December's weather patterns, check out Jaffna weather in December.
January in Jaffna offers a refreshing reprieve from the hotter months, with temperatures averaging a comfortable 26°C (79°F) alongside moderate humidity levels of 76%. This month experiences short-lived rainfall, with 96 mm spread across just 8 days, marking it as one of the drier stretches compared to the preceding months. The overall pleasant climate, characterized by its warm days and relatively cooler nights, makes January an ideal time for visitors to explore the rich cultural heritage of the region. For a deeper dive into Jaffna's weather patterns throughout the year, visit Jaffna Climate.