June Weather in Unawatuna, Sri Lanka

Last updated: March 19, 2025

June in Unawatuna, Sri Lanka offers a warm tropical climate, characterized by a maximum temperature reaching 30°C (85°F) and a steady average of 27°C (82°F). The month experiences high humidity levels at 83%, creating a lush and vibrant atmosphere. However, be prepared for significant rainfall, as precipitation totals around 237 mm (9.3 in) over the course of 28 days, making it one of the wetter months. Visitors can expect a verdant landscape and numerous opportunities to enjoy the natural beauty, though frequent rain showers are typical.

June Temperature in Unawatuna

In June, the temperatures in Unawatuna, Sri Lanka create a perfect backdrop for tropical adventures, with minimums around 25°C (77°F) and maximums peaking at 30°C (85°F). With an average temperature of 27°C (82°F), the weather remains comfortably warm, ideal for enjoying the stunning coastline and indulging in the vibrant local culture. As the month transitions toward the peak of the rainy season, there is a slight dip in maximum temperatures compared to the preceding months, but the warmth continues to invite beachgoers and nature lovers alike. Thus, June encapsulates the best of tropical warmth while hinting at the refreshing rains that nurture this lush paradise.

June Weather in Unawatuna: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Unawatuna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec808181828281818080808080
Data source: Temperature data for Unawatuna 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.

June Precipitation in Unawatuna

In June, Unawatuna experiences a significant downpour, with precipitation levels reaching 237 mm (9.3 in) across an average of 28 rainy days. This month follows an intensifying trend established in May, which boasts even higher rainfall at 289 mm (11.4 in). The cumulative rainfall from April through June highlights the peak of the wet season, where the lush landscape flourishes under the nurturing embrace of monsoon rains. As the rains persist into July, the average precipitation slightly decreases to 207 mm (8.1 in), yet the frequency of rainy days remains consistent. Overall, June stands out not just for its robust rainfall but also for its role in shaping the vibrant ecosystems that characterize this coastal paradise.

June Precipitation Trends in Unawatuna

The chart displays monthly precipitation patterns in Unawatuna, with values for each month alongside June's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec606289137289237207219235259223151
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Unawatuna

In Unawatuna, Sri Lanka, June marks a notable shift in humidity, peaking at 83%. This rise follows a consistent trend from the preceding months, where humidity levels hovered around 76% to 80%. The onset of the monsoon season in June brings an increase in moisture, contributing to an energizing yet sticky atmosphere. As the year progresses, the humidity remains relatively high, with levels stabilizing around 81% to 83% in the following months. This pattern not only highlights June's climactic humidity but also sets the stage for the lush, vibrant landscapes that define this coastal paradise.

June Average Humidity in Unawatuna

This chart illustrates the average monthly humidity levels in Unawatuna, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%77%77%76%83%81%83%82%83%81%82%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Unawatuna

In June, Unawatuna continues to experience extreme UV exposure with a UV Index of 12, making sun safety a top priority for residents and visitors alike. This month marks a slight dip from the peak UV Index of 15 observed in previous months, yet the burn time remains critical at just 10 minutes. As summer progresses, it's essential to stay vigilant; protective measures such as sunscreen, hats, and sunglasses are highly recommended. Following June, the UV Index remains high into July and August, underscoring the region’s persistent sun intensity throughout the year. For more detailed information on the UV Index in this beautiful coastal town, visit Unawatuna UV Index.

Maximum UV Index Levels in Unawatuna for June

The chart shows the monthly maximum UV Index (UVI) for Unawatuna in June, 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: Unawatuna June 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.

June Sunshine in Unawatuna

In Unawatuna, Sri Lanka, June shines brightly with an impressive 333 hours of sunlight, a figure that beautifully complements the region's lush landscapes and vibrant culture. This month continues the trend of abundant sunshine established in the preceding months—specifically, April and May, which enjoyed 332 and 329 hours respectively. The warmth of June's rays sets the stage for the sun-drenched days of July, with sunshine peaking at 339 hours. As the year unfolds, the sun's generous gift stays consistent, making Unawatuna an ideal destination for those seeking to bask in nature’s glow during the sunny months. With such a wealth of sunlight, outdoor adventures and lively beach scenes flourish, inviting visitors to indulge in the beauty of this tropical paradise.

Monthly Sunshine Duration in Unawatuna: June Highlighted

The June sunshine duration represents the total number of hours Unawatuna experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec273h311h334h332h329h333h339h336h317h315h294h309h
Data source: Unawatuna June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Unawatuna During June

As you plan your trip to Unawatuna, Sri Lanka, June offers a relatively modest 24% chance of sunny weather. This month sits in the midst of a distinctive seasonal pattern, where the promise of sunshine fluctuates significantly throughout the year. Following the brighter days of April and the somewhat sunnier February, June's weather can feel a bit unpredictable, especially after the disappointing May with only 18% sun. As you journey into the heart of the year, keep in mind that while June may not boast the highest likelihood of sunshine, it nonetheless serves as a transitional period, leading up to the drier months ahead, from November to January, when the sun shines more brightly and consistently.

Percentage of Sunny Days in June in Unawatuna

The chart illustrates the percentage of sunny days in Unawatuna throughout the year, with June 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 Unawatuna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%42%34%48%18%24%16%8%23%19%18%49%
Data source: Unawatuna June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Unawatuna in June

In Unawatuna, Sri Lanka, June brings a delightful consistency with 12 hours of daylight, mirroring the preceding months of April and May. As the year unfolds, daylight duration tends to stabilize, peaking during the central months from March to September, ensuring ample sunshine for beachgoers and adventurers alike. Notably, this trend shifts as the year wanes, with daylight gradually reducing to 11 hours by October and the end of the year, creating a rhythmic cycle that reflects the region's tropical climate. This steady daylight allows residents and visitors to enjoy the vibrant landscapes and rich cultural experiences that Unawatuna has to offer throughout June and beyond.

Average Daylight Hours in Unawatuna for June

The chart illustrates the variation in daylight duration in Unawatuna throughout the year, with June 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: Unawatuna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Unawatuna

In June, the winds of Unawatuna, Sri Lanka, pick up noticeably, marking a shift in the seasonal breeze. After a slow start to the year with average wind speeds lingering around 2.3 m/s (5 mph) in January and February, the winds begin to build momentum through the spring months. By June, they reach an invigorating 6.2 m/s (14 mph), indicating a welcome transition into the vibrant summer. This trend continues into July, where wind speeds peak at 6.8 m/s (15 mph), creating a refreshing atmosphere well-suited for water sports and beach activities. After this brief height, the winds gradually soften again, settling at around 5.9 m/s (13 mph) in August, before easing further into the autumn months. The June winds not only enhance the tropical charm of Unawatuna but also herald a lively phase for both locals and visitors alike.

Average June Wind Speed in Unawatuna

The chart displays monthly wind speed patterns in Unawatuna, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.53.14.96.2 m/s6.85.95.85.25.02.2
Data source: Unawatuna June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Unawatuna Compares to Other Months

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

When comparing the weather in June and January, both months feature warm temperatures, with January experiencing slightly cooler minimums at 24°C (76°F) compared to June's 25°C (77°F). However, June tends to be more humid, with humidity levels reaching 83% versus January's 80%. Precipitation also varies significantly; June sees much higher rainfall, totaling 237 mm (9.3 in) over 28 days, while January has a more manageable 60 mm (2.4 in) over just 11 days. For a detailed look at January weather in Unawatuna, you can check Unawatuna weather in January.

When comparing the weather in June and February, both months exhibit warm temperatures, but February tends to be slightly drier. February's temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (89°F) with an average of 27°C (81°F), while June's temperatures are similarly warm, with a minimum of 25°C (77°F) and a maximum of 30°C (85°F). Notably, June experiences much higher precipitation, totaling 237 mm (9.3 in) over 28 days, compared to February's 62 mm (2.4 in) over just 12 days. The humidity is also a bit higher in June at 83% versus February's 77%, making June feel more humid overall. For more detailed insights, check out Unawatuna weather in February.

In comparing the weather of June and March, we see some notable similarities and differences. Both months experience a minimum temperature of around 25°C (77°F) and an average of 27°C (82°F), making them relatively consistent in warmth. However, June typically sees a slightly lower maximum temperature at 30°C (85°F), compared to March's higher peak of 32°C (89°F).

Precipitation levels differ significantly between the two months, with June experiencing a substantial 237 mm (9.3 in) over 28 days, indicating a wet season, while March enjoys much lighter rainfall of 89 mm (3.5 in) across just 17 days. Humidity is also higher in June at 83%, compared to 77% in March. For more detailed information about March weather, you can check Unawatuna weather in March.

When comparing the weather in June and April, we can see some distinct differences. Both months experience warm temperatures, with June featuring a minimum of 25°C (77°F) and an average of 27°C (82°F), while April boasts slightly higher average temperatures, peaking at 31°C (89°F). In terms of precipitation, June has a considerably higher rainfall of 237 mm (9.3 in) spread over 28 days, compared to April's 137 mm (5.4 in) over 24 days. Furthermore, June exhibits a higher humidity level at 83%, which can make the warmth feel more intense, whereas April has a slightly lower humidity at 77%. For those looking to explore the weather specifics of April in Unawatuna, you can visit Unawatuna weather in April.

In comparing the weather between May and June, we can observe that both months have similar minimum temperatures around 25°C (77°F), yet June tends to be slightly cooler on average with a temperature of 27°C (82°F), compared to May’s average of 28°C (82°F). While June has a maximum temperature of 30°C (85°F), May peaks at a warmer 31°C (87°F). Both months experience considerable rainfall, but May takes the lead with 289 mm (11.4 in) of precipitation compared to June’s 237 mm (9.3 in), albeit over the same number of days—28. Additionally, humidity levels are higher in June at 83%, while May presents a more comfortable 76%. For a closer look at May's weather patterns, you can visit Unawatuna weather in May.

In comparing the weather of June and July, both months showcase warm temperatures, with June slightly warmer than July. June features a minimum temperature of 25°C (77°F), an average of 27°C (82°F), and a maximum of 30°C (85°F), while July maintains similar temperatures with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation is significant in both months, but June experiences more rainfall at 237 mm (9.3 in) compared to July's 207 mm (8.1 in), despite both months seeing precipitation on 28 days. Humidity levels are quite high in both months, though July is slightly less humid at 81% compared to June's 83%. For a more detailed overview, you can check Unawatuna weather in July.

In June, the weather features a slightly warmer climate with average temperatures around 27°C (82°F) and highs reaching 30°C (85°F). However, it also brings considerable rainfall, receiving 237 mm (9.3 in) over 28 days, with humidity levels peaking at 83%. In contrast, August sees similar temperature patterns, with a minimum of 25°C (76°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). The precipitation decreases slightly to 219 mm (8.6 in) across 27 days and a marginally lower humidity of 82%. For a more detailed look at the conditions during this month, you can visit Unawatuna weather in August.

June and September exhibit quite similar weather patterns, with both months experiencing warm temperatures and high humidity. In June, the minimum temperature is consistently 25°C (77°F), with an average of 27°C (82°F) and a maximum of 30°C (85°F). Conversely, September shares the same minimum and average temperatures but has a slightly lower maximum of 29°C (84°F). Precipitation levels are also comparable, with June receiving 237 mm (9.3 in) over 28 days and September experiencing 235 mm (9.3 in) across 27 days. The humidity in both months is high, with June at 83% and September slightly lower at 82%. For those interested in specifics about September weather, you can learn more here: Unawatuna weather in September.

In comparing the weather of June and October, we find that both months exhibit similar temperature ranges, with minimum temperatures around 25°C (77°F) and average highs between 27°C (80°F) in October and 30°C (86°F) in June. However, October experiences slightly more precipitation, with 259 mm (10.2 in) compared to June's 237 mm (9.3 in), maintaining the same number of rainy days at 28. Humidity levels remain consistent at 83% in both months, contributing to a tropical atmosphere. For more detailed information, you can check Unawatuna weather in October.

In comparing the weather between June and November, we see some similarities and slight variations. Both months feature an average temperature of around 27°C (80°F), with minimums of 25°C (77°F) in June and 24°C (75°F) in November, while the maximum temperature in November reaches a slightly higher 30°C (86°F) compared to June's 30°C (85°F). Precipitation levels are also similar, with June experiencing 237 mm (9.3 in) over 28 days, while November sees a bit less with 223 mm (8.8 in) across 25 days. Notably, humidity remains relatively high in both months, at 83% for June and 81% for November. For a detailed look at November’s weather patterns, check out Unawatuna weather in November.

June and December share similar temperature ranges, with both months experiencing a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 30°C (85°F). However, June is characterized by significantly higher precipitation, totaling 237 mm (9.3 in) over 28 days, compared to December's 151 mm (5.9 in) over just 19 days. The humidity levels remain quite comparable, with June at 83% and December slightly lower at 82%. This suggests that June may feel more intense due to higher moisture levels and frequent rainfall, while December offers a relatively drier atmosphere. For more details, visit Unawatuna weather in December.

Compare Unawatuna's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Unawatuna

As June arrives in Unawatuna, visitors can expect warm and humid conditions, with average temperatures reaching a comfortable 27°C (82°F). This month stands out due to its heightened levels of rainfall, as June typically brings the highest precipitation of the year, with frequent rain showers occurring almost daily. The 83% humidity can make the atmosphere feel particularly muggy, setting it apart from drier months. For those intrigued by the unique characteristics of this rainy season, more information can be found at Unawatuna Climate.