Last updated: March 19, 2025
October in Ratnapura, Sri Lanka is characterized by a warm and humid climate, with maximum temperatures reaching up to 28°C (84°F) and a pleasant average of 23°C (74°F). The period is marked by significant rainfall, accumulating to 475 mm (18.7 in) over approximately 29 days, creating a lush, vibrant landscape typical of this region. With humidity levels hovering around 89%, October offers a unique blend of tropical warmth and frequent, refreshing showers, making it a captivating time for those who appreciate the natural beauty of Sri Lanka.
In October, Ratnapura experiences mild temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (84°F), maintaining an average of 23°C (74°F). This month marks a transition as the temperatures begin to cool slightly compared to the warmer earlier months; it’s a refreshing change after the peak heat of February through April. The consistent averages provide a comfortable climate, perfect for exploring the lush landscapes and natural beauty that Sri Lanka is known for. As the rains start to increase, the humidity may rise, yet the warmth remains inviting, creating an ideal backdrop for both adventure seekers and those looking to relax.
In October, Ratnapura experiences its peak precipitation with a staggering 475 mm (18.7 in) of rainfall, marking a significant rise from the previous month. This is accompanied by 29 rainy days, demonstrating that October is not just wet, but consistently so, with nearly the entire month affected by downpours. This trend underscores the transition into the monsoon season, where rainfall continues to increase, culminating in November's even more intense downpour of 643 mm (25.3 in). As the year progresses, the overall trend of escalating precipitation becomes apparent, highlighting October as a key month in Ratnapura's climatic cycle.
In October, Ratnapura experiences a notable peak in humidity, reaching 89%, which marks the highest level for the year. Following a gradual increase in humidity from 69% in March and April, the trend continues through the summer months, peaking in June and August at 85%. As the transition into the latter part of the year begins, humidity remains high, reflecting the wet conditions typical of the region during this time. This persistent increase not only highlights the changing climate of Ratnapura but also foreshadows the cooler, yet still humid months of November and December, which maintain elevated humidity levels of 88% and 86%, respectively. October stands out as a month of significant moisture, creating a lush landscape that characterizes this tropical locale.
In October, Ratnapura experiences a UV Index of 13, maintaining its classification in the extreme exposure category, with a quick burn time of just 10 minutes. This trend reflects a consistent pattern throughout the year, where the UV Index remains high, particularly peaking in March, April, and May at 15. Although October sees a slight dip from the previous months, it still underscores the importance of sun protection. As the UV Index gradually decreases into the late year with November and December showing values of 12 and 11 respectively, residents and visitors alike should remain vigilant. For more detailed insights, check the Ratnapura UV Index.
UV Risk Categories
In October, Ratnapura enjoys a delightful 303 hours of sunshine, marking a transition into the cooler months as the monsoon season begins to wane. This month sustains a commendable amount of sunlight, falling comfortably between the sun-drenched peak of July with 336 hours and the more subdued November at 277 hours. As the year winds down, October represents a sweet spot, reflecting a steady trend of bright days that starts from the brilliant highs of late summer. The gradual decrease in hours from previous months is a gentle reminder of the cyclic nature of its tropical climate, where each month brings its own charm and beauty to this lush region of Sri Lanka.
In Ratnapura, Sri Lanka, the likelihood of enjoying sunny weather significantly fluctuates throughout the year. While January and December offer a promising 15% and 40% chance of sunshine, October stands out with a modest 12% likelihood, making it one of the less sunny months. Following a trend of diminishing sun, the peak sunshine months come early in the year with February reaching the highest probability at 36%. This pattern suggests that those looking to bask in the sun may prefer the earlier months, as October, along with its preceding and succeeding months, tends to bring more overcast skies and a cooler climate. Thus, while October may provide occasional sunny breaks, it generally leans towards a more cloudy disposition, urging visitors to keep this in mind when planning their activities.
In Ratnapura, Sri Lanka, the October daylight duration gently transitions to shorter days, offering 11 hours of daylight. This decline mirrors the trend set in January and February, both featuring the same duration of daylight. From March to September, daylight peaks at a generous 12 hours, creating a prolonged period of ample sunshine that supports the region's lush landscapes and vibrant ecosystems. As the year progresses into the cooler months of November and December, daylight retreats back to 11 hours, establishing a rhythmic ebb and flow of light that characterizes the tropical climate of this enchanting area. This cyclical pattern not only marks the changing seasons but also enriches the local culture, influencing agriculture and daily life alike.
As October rolls into Ratnapura, Sri Lanka, the region experiences a gentle shift in wind patterns. With an average wind speed of 1.7 m/s (4 mph), the breezes are mild, marking a decrease from the slightly more robust currents of the preceding months. This change reflects a typical transition into the wetter season, suggesting that October's winds carry a hint of moisture in the air. Interestingly, after a gradual rise in velocity from May through July, the winds begin to taper off, but they still provide a refreshing contrast to the region's lush landscape. As the month progresses, these calming gusts set a tranquil backdrop, inviting both locals and visitors to enjoy the serene beauty of Ratnapura.
The weather in Ratnapura changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Ratnapura and find detailed weather information for every month.
October and January present contrasting weather patterns. In October, temperatures range from a minimum of 19°C (66°F) to a maximum of 28°C (84°F), with a notably high average temperature of 23°C (74°F). The month is characterized by significant precipitation, totaling 475 mm (18.7 in) over 29 days, alongside high humidity levels at 89%. In contrast, January has slightly cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 30°C (86°F), while maintaining the same average of 23°C (74°F). However, January experiences considerably less rainfall, totaling 241 mm (9.5 in) across just 18 days and lower humidity at 80%. For more details on January’s weather, you can visit Ratnapura weather in January.
When comparing the weather in October and February, several notable differences emerge. October features a warmer minimum temperature of 19°C (66°F) and maintains an average of 23°C (74°F), peaking at a maximum of 28°C (84°F). However, it also experiences heavy rainfall with 475 mm (18.7 in) of precipitation spread over 29 days, contributing to a high humidity level of 89%. In contrast, February sees milder conditions with a minimum temperature of 16°C (62°F) and a higher average of 24°C (75°F), reaching a hotter maximum of 32°C (90°F). It has significantly lower precipitation at 289 mm (11.4 in) over 23 days and a more comfortable humidity level of 72%. For more details on the weather in February, you can check this link: Ratnapura weather in February.
In October, the weather is characterized by slightly warmer temperatures, with averages ranging from a minimum of 19°C (66°F) to a maximum of 28°C (84°F). In contrast, March tends to be hotter, with temperatures peaking at 31°C (88°F) while maintaining a similar average of 24°C (75°F). Both months experience significant rainfall, with October receiving 475 mm (18.7 in) over 29 days, compared to March's 384 mm (15.1 in) over the same number of days. Additionally, humidity levels are notably higher in October at 89%, while March shows a more comfortable 69%. For further insights, you can explore Ratnapura weather in March.
When comparing the weather in October and April, we notice distinct differences in temperature and precipitation patterns. October typically has a minimum temperature of 19°C (66°F) and an average of 23°C (74°F), with daytime highs reaching up to 28°C (84°F). This month also experiences high humidity at 89% and significant rainfall, averaging 475 mm (18.7 in) across 29 days. In contrast, April sees slightly warmer conditions with minimum temperatures around 18°C (65°F), an average of 24°C (76°F), and maximums of 31°C (88°F). April is also less humid at 69% and has a total precipitation of 415 mm (16.3 in) over 28 days. For a detailed look at Ratnapura's weather in April, you can visit Ratnapura weather in April.
October and May present contrasting weather patterns, despite their proximity in the calendar year. In October, the temperatures range from a minimum of 19°C (66°F) to a maximum of 28°C (84°F), with an average of 23°C (74°F). This month also sees significant rainfall, averaging 475 mm (18.7 in) over 29 days, accompanied by high humidity levels at 89%. In contrast, May experiences slightly warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 30°C (86°F), averaging 24°C (76°F). While May also sees substantial rainfall, totaling 431 mm (17.0 in) over the same number of days, the humidity is lower at 79%. For more specifics on the weather in May, you can check Ratnapura weather in May.
In comparing the weather of October and June, we see that both months have similar temperature ranges, with October experiencing a minimum of 19°C (66°F) and a maximum of 28°C (84°F), while June has a slightly higher minimum of 20°C (68°F) and a maximum of 29°C (84°F). However, October is characterized by much higher precipitation, with 475 mm (18.7 in) spread over 29 days, compared to June's 233 mm (9.2 in) over 28 days. Additionally, humidity levels are slightly higher in October at 89%, while June maintains a humidity of 85%. For more specifics on June weather, you can visit Ratnapura weather in June.
October and July exhibit similar maximum temperatures, both peaking around 28°C (84°F), but there are notable differences in overall weather patterns. In October, the average temperature is slightly lower at 23°C (74°F) compared to July's 24°C (75°F). However, October is characterized by significantly higher precipitation, receiving 475 mm (18.7 in) over 29 days, compared to July's 219 mm (8.6 in) for the same number of days. Additionally, October's humidity is elevated at 89%, surpassing July's 81%. These factors contribute to October's perception as a wetter, more humid month, contrasting with July's relatively drier conditions. For more detailed insights, you can check Ratnapura weather in July.
When comparing the weather in October to that of August, both months exhibit similar average temperatures, hovering around 23°C (74°F). However, October tends to be slightly cooler on average, with minimum temperatures dropping to 19°C (66°F) compared to August’s minimum of 20°C (68°F). Notably, October experiences significantly higher precipitation, totaling 475 mm (18.7 in) across 29 days, while August sees only 245 mm (9.6 in) over 27 days. Additionally, humidity levels are slightly higher in October at 89%, compared to 85% in August. For a detailed look at August weather, you can visit Ratnapura weather in August.
In comparing the weather between September and October, both months share a similar temperature range, with minimums of 19°C (66°F) and average temperatures around 23°C (74°F). However, October experiences slightly cooler maximum temperatures, averaging 28°C (84°F), compared to September's peak of 29°C (84°F). Notably, October sees a significant increase in precipitation, with 475 mm (18.7 in) falling over 29 days, compared to September's 287 mm (11.3 in) over 26 days. Additionally, humidity levels rise in October to 89%, up from September's 81%. For a more detailed look at September's weather, you can check Ratnapura weather in September.
In October, temperatures in Ratnapura exhibit a warm range, with a minimum of 19°C (66°F) and a maximum of 28°C (84°F), while averaging around 23°C (74°F). The month experiences significant rainfall, totaling 475 mm (18.7 in) over 29 days, contributing to a high humidity level of 89%. In contrast, November sees a slight decrease in minimum temperature at 18°C (65°F) but can reach a higher maximum of 29°C (84°F), maintaining the same average of 23°C (74°F). However, the precipitation increases significantly to 643 mm (25.3 in) over 26 days, resulting in slightly lower humidity at 88%. For more detailed information, you can refer to Ratnapura weather in November.
In October, the weather is typically warm with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (84°F), and an average temperature of 23°C (74°F). This month sees significant rainfall, averaging 475 mm (18.7 in) over 29 days, leading to high humidity levels at 89%. In contrast, December experiences slightly milder temperatures with a minimum of 17°C (63°F) and a maximum of 30°C (85°), maintaining the same average of 23°C (74°F). Rainfall decreases to 402 mm (15.8 in) over 27 days, and humidity is slightly lower at 86%. Overall, while both months are characterized by high temperatures and humidity, October is wetter, whereas December offers a bit more warmth with less precipitation. For more detailed information, check Ratnapura weather in December.
In October, Ratnapura experiences a notable shift in weather patterns, marked by increased humidity and significant precipitation that sets it apart from the drier months. With rainfall occurring on nearly every day of the month, October becomes a time of lush greenery and vibrant landscapes, making it a unique experience for visitors and locals alike. Although temperatures remain relatively mild, the blend of warmth and moisture creates a humid atmosphere that challenges the typical dry conditions of the preceding months. For those looking to understand the broader context of Ratnapura's climate, a detailed exploration can be found here: Ratnapura Climate.