Last updated: March 19, 2025
In Ratnapura, Sri Lanka, June brings a tropical climate characterized by warm temperatures and high humidity. The average temperature hovers around 24°C (75°F), with daytime highs reaching a comfortable 29°C (84°F) and nightly lows dipping to 20°C (68°F). This month is notably wet, with precipitation totaling 233 mm (9.2 in) over an impressive 28 days, contributing to the region's lush greenery and vibrant landscapes. With humidity levels at a robust 85%, visitors can expect a humid atmosphere, making Ratnapura’s June both a challenging yet invigorating month for outdoor adventures.
In Ratnapura, Sri Lanka, June brings a mild and pleasant climate, marked by minimum temperatures around 20°C (68°F) and average highs peaking at 29°C (84°F). Compared to the warmer months preceding it, June offers a refreshing dip, with maximum temperatures tapering off from the 31°C (88°F) in April and May. The average temperature holds steady at 24°C (75°F), reflecting a consistent comfort throughout the month. This transitional period hints at the onset of the monsoon season, as humidity levels rise and rain becomes more frequent, creating a lush, vibrant landscape characteristic of this region. Travelers can expect a blend of warmth and refreshing rain, making June a unique time to explore the rich flora and stunning scenery of this charming city.
June in Ratnapura, Sri Lanka, sees a notable dip in precipitation, with 233 mm (9.2 in) of rainfall across 28 days, marking a shift from the heavier downpours of the preceding months. This reduction follows May’s peak of 431 mm (17.0 in), which often heralds the onset of the southwest monsoon. Interestingly, while June's rainfall is significantly lower compared to its predecessor, it maintains a consistent frequency of rainy days, highlighting the region's persistent dampness. As the year progresses, higher amounts of precipitation emerge once again in the later months, predicting a return to the usual rainy patterns. This cyclical nature of rainfall emphasizes Ratnapura’s role as a lush and vibrant area, shaped by its tropical monsoon climate.
In June, Ratnapura, Sri Lanka, experiences a significant spike in humidity, reaching 85%, which marks one of the highest levels for the year. This increase follows a trend from the preceding months, showcasing a gradual rise as the region transitions from the drier months of February and March, where humidity dipped to 72% and 69% respectively. Interestingly, June’s humidity is not an anomaly; it aligns closely with August, also at 85%, indicating that the wet season brings consistently high moisture levels. The peak humidity levels in the latter part of the year, particularly in October and November, further emphasize Ratnapura's tropical climate dynamics, illustrating a pattern of elevated humidity that prevails during the lush, rainy season.
In June, Ratnapura experiences a UV Index of 13, signaling extreme exposure that warrants caution for anyone outdoors. This figure is notably lower than the peak values of 15 seen in March, April, and May, which suggests a slight easing as the region transitions into mid-year. However, with a consistent burn time of just 10 minutes, it remains crucial to protect your skin from the sun’s intense rays, as June still falls within a remarkable stretch of months where the UV Index often hovers between 12 and 15. As the season progresses, these patterns reinforce the necessity for sun-safe practices in Ratnapura, making it vital for residents and visitors alike to stay informed about daily UV levels. For more insights on sun protection, visit Ratnapura UV Index.
UV Risk Categories
In June, Ratnapura basks in a delightful 331 hours of sunshine, maintaining its status as a month enriched with bright, sunny days. This represents a slight dip from the peak of the earlier months, yet continues the trend of plentiful sunlight that characterizes the region's early year. Following the vibrant days of March and April, which boasted impressive totals of 333 and 331 hours respectively, June sustains this sunny disposition as summer unfolds. As the year progresses into July and August, Ratnapura's sunlight hours further increase, peaking at 336 hours in July, making it a prime time for outdoor adventures and explorations in this beautiful part of Sri Lanka.
In June, Ratnapura, Sri Lanka experiences a moderate likelihood of sunny weather, with about an 18% chance of sunshine. This marks a slight dip from the preceding months; April and February enjoy higher probabilities of clear skies at 37% and 36% respectively, while the chance decreases sharply in May. The trend shows a gradual descent into the rainy season, as July and August follow with even lower chances of sun, plummeting to 11% and a mere 6%. Thus, while June offers a glimpse of sunlight, it hints at the transition into the wetter months ahead.
In Ratnapura, Sri Lanka, the month of June continues a trend of consistent 12 hours of daylight, a pattern that emerges in the spring and lingers through the summer. This steady balance of light and dark reflects the region's tropical climate, where daylight duration remains fairly stable throughout the year. Following the longer days of March through May, June aligns with July and August, showcasing a harmonious rhythm of daylight that allows both residents and visitors to enjoy the lush landscapes and vibrant culture well into the evening. As the year progresses towards the end of October, the daylight begins to taper off, returning to 11 hours as the region transitions into the final months.
As June rolls into Ratnapura, Sri Lanka, the breeze begins to pick up, signaling a shift in the atmospheric rhythm of the region. With an average wind speed of 2.2 m/s (5 mph), June marks a noticeable increase in airflow compared to the preceding months, where wind speeds hovered around 1.1 m/s to 1.9 m/s. This trend of increasing winds not only brings a refreshing touch to the warm, tropical climate but also sets the stage for July, which typically enjoys even stronger breezes at 2.5 m/s (6 mph). As the winds dance through the lush greenery of Ratnapura, they invigorate both the landscape and the local atmosphere, making June a delightful prelude to the gusty days ahead.
The weather in Ratnapura changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June'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.
When comparing the weather in June and January, one can observe notable differences. June typically experiences warmer temperatures, with a minimum of 20°C (68°F) and an average of 24°C (75°F), while January's minimum temperature is slightly lower at 15°C (59°F), but it can reach up to 30°C (86°F), making January feel quite warm despite its cooler start. In terms of precipitation, June sees a substantial amount of rain, totaling 233 mm (9.2 inches) spread over 28 days, compared to January's 241 mm (9.5 inches) over just 18 days. Humidity levels are quite high in both months, with June at 85% and January at 80%, contributing to a humid climate year-round. For more detailed information on January weather in Ratnapura, you can visit Ratnapura weather in January.
June and February present contrasting weather characteristics, despite having the same average temperature of 24°C (75°F). In June, the temperatures range from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), accompanied by high humidity at 85% and significant rainfall of 233 mm (9.2 in) over 28 days. In contrast, February experiences slightly cooler minimum temperatures at 16°C (62°F) but peaks at a higher maximum of 32°C (90°F). Additionally, February sees more precipitation overall, totaling 289 mm (11.4 in) across 23 days, yet the humidity is comparatively lower at 72%. For more detailed insights on February weather, you can check Ratnapura weather in February.
In comparing the weather between June and March, both months exhibit warm average temperatures of around 24°C (75°F); however, March tends to be slightly warmer with a maximum temperature reaching up to 31°C (88°F), compared to June's peak of 29°C (84°F). June experiences higher humidity at 85%, while March has a lower humidity level of 69%. Precipitation also differs significantly, with June receiving 233 mm (9.2 in) of rain over 28 days, while March has a much wetter profile with 384 mm (15.1 in) over 29 days. For more details on March weather specifically, you can refer to Ratnapura weather in March.
When comparing the weather in June and April, we can observe some notable differences. June experiences a range of temperatures from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), with an average of 24°C (75°F) and high humidity levels at 85%. Conversely, April tends to be slightly warmer, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 31°C (88°F), and an average also of 24°C (76°F). However, April is marked by significantly higher precipitation, totaling 415 mm (16.3 in) over the month compared to June's 233 mm (9.2 in), both over 28 days. This results in April having a much wetter climate than June. For more details, you can check out Ratnapura weather in April.
In comparing the weather between May and June, both months start off with similar minimum temperatures of around 20°C (68°F) and average temperatures of 24°C (75°F in June and 76°F in May). However, June experiences slightly lower maximum temperatures, peaking at 29°C (84°F), compared to May's warmer maximum of 30°C (86°F). Rainfall is significantly higher in May, with 431 mm (17.0 in) of precipitation over 29 days, while June sees reduced precipitation at 233 mm (9.2 in) across 28 days, leading to a more humid atmosphere in June at 85% relative humidity compared to 79% in May. For a detailed look at May weather specifically, you can check Ratnapura weather in May.
June and July share similar temperature patterns, with both months featuring a minimum of 20°C (68°F), an average of 24°C (75°F), and slightly differing maximums—29°C (84°F) in June and 28°C (83°F) in July. However, June experiences more significant precipitation, with 233 mm (9.2 in) over 28 days, compared to July's 219 mm (8.6 in) spread over 29 days. Additionally, humidity remains high in both months, although July sees a slight decrease to 81% from June's 85%. For more detailed insights, you can check Ratnapura weather in July.
In June, temperatures typically range from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), with an average of 24°C (75°F). The month is characterized by significant rainfall, receiving about 233 mm (9.2 in) over 28 days and maintaining high humidity at 85%.
In contrast, August sees a slight decrease in maximum temperatures, reaching up to 28°C (83°F) with an average of 23°C (74°F), while the minimum remains the same at 20°C (68°F). Rainfall increases marginally to 245 mm (9.6 in) over 27 days, with humidity levels remaining steady at 85%.
For more detailed weather insights, you can check Ratnapura weather in August.
In comparing the weather between June and September, we observe that both months share similar maximum temperatures, capping at 29°C (84°F). However, June has slightly higher average temperatures (24°C or 75°F) compared to September's 23°C (74°F), making it feel a bit warmer overall. Precipitation levels are notably higher in September, with 287 mm (11.3 in) of rainfall over 26 days compared to June's 233 mm (9.2 in) over 28 days. Additionally, September experiences a slightly lower humidity level of 81%, while June maintains a higher humidity at 85%. For more specifics on weather conditions in September, you can explore this link: Ratnapura weather in September.
June and October weather share some similarities, but also notable differences. In June, temperatures range from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), with an average of 24°C (75°F) and a significant humidity level of 85%. However, the month also sees considerable rainfall, with 233 mm (9.2 in) of precipitation occurring over 28 days. In contrast, October features slightly lower average temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (84°F). This month is characterized by even higher rainfall, totaling 475 mm (18.7 in) over 29 days, along with increased humidity at 89%. For more detailed insights into the weather in October, you can check out Ratnapura weather in October.
In June, the weather is warm with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (84°F), accompanied by high humidity at 85%. However, June experiences significant rainfall, totaling 233 mm (9.2 in) over 28 days. In contrast, November feels similarly warm with the same maximum temperature of 29°C (84°F) and a slightly lower minimum of 18°C (65°F). November sees much more precipitation, accumulating 643 mm (25.3 in) across 26 days, along with a marginally higher humidity level of 88%. For more insights into November's weather in Ratnapura, check out Ratnapura weather in November.
In June, the weather features warmer temperatures with an average of 24°C (75°F) and peak temperatures reaching up to 29°C (84°F). However, this month also sees significant rainfall, with a total precipitation of 233 mm (9.2 in) over 28 days and humidity levels at 85%. In contrast, December offers slightly cooler temperatures, with an average of 23°C (74°F) and a maximum of 30°C (85°F). Despite being a milder month, it experiences heavier rainfall, totaling 402 mm (15.8 in) over 27 days, along with a comparable humidity level of 86%. For more information about weather specifics in December, you can check Ratnapura weather in December.
June in Ratnapura brings a distinct shift in weather patterns, characterized by a balance of warmth and moisture. While temperatures remain relatively mild with daily averages around 24°C, the month is marked by intense precipitation, receiving significantly more rain compared to other months, leading to a damp and lush landscape. The high humidity levels amplify the tropical feel, making it a unique time to experience the vibrant nature of the region. With 28 rainy days, it’s a period defined by the rhythms of the monsoon — a stark contrast to the drier seasons. For more insights on Ratnapura's weather throughout the year, check out Ratnapura Climate.