April Weather in Unawatuna, Sri Lanka

Last updated: March 19, 2025

In April, Unawatuna, Sri Lanka, experiences a vibrant tropical climate characterized by maximum temperatures reaching 31°C (89°F) and a comfortable average of 28°C (82°F). Despite the warm temperatures, minimums rarely dip below 25°C (77°F), creating a consistently pleasant environment. However, this period also brings about significant precipitation, with an average of 137 mm (5.4 in) spread over 24 days, contributing to the region's lush landscapes. The humidity averages a high 77%, enhancing the tropical experience, making Unawatuna both a haven for sun-seekers and a picturesque backdrop for nature lovers.

April Temperature in Unawatuna

April in Unawatuna, Sri Lanka, welcomes a delightful warmth, with temperatures reflecting a slight uptick as the country moves deeper into spring. The minimum temperature rests around 25°C (77°F), while the average climbs to a cozy 28°C (82°F), making it an inviting time for beachgoers. The maximum temperature remains steady at 31°C (89°F), mirroring the warmth of previous months. This mild increase suggests a gradual approach to the hotter summer months ahead, making April an ideal period for travelers seeking sunny shores and vibrant landscapes without the intense heat that follows in the coming months. Overall, visitors can expect pleasant weather, perfect for exploring the stunning coastline and lush surroundings of this beautiful destination.

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

The chart illustrates April 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.

April Precipitation in Unawatuna

April in Unawatuna, Sri Lanka, marks a significant increase in precipitation, with a hefty 137 mm (5.4 in) of rain falling over 24 days. This month represents a notable peak in rainfall compared to earlier months like January and February, which recorded only 60 mm and 62 mm respectively. The transition continues into May, where precipitation escalates further to 289 mm (11.4 in), suggesting April serves as a precursor to the region's more intense rainy season. As the rainfall gradually intensifies leading into the subsequent months, April stands out as a crucial period that not only prepares the landscape for the lush greenery to come but also sets the tone for an increasingly wet and vibrant backdrop.

April Precipitation Trends in Unawatuna

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

April Humidity in Unawatuna

April in Unawatuna, Sri Lanka, is characterized by consistent humidity levels, maintaining a steady 77%. This month showcases a gradual decline from the 80% peak in January, followed by a slight dip to 77% in both February and March, then holding steady through April. As the region transitions into the wetter months ahead, humidity begins to rise again, reaching 83% by June. Overall, April serves as a bridge in Unawatuna’s humidity patterns, reflecting a stable climate as the island gears up for the rainy season.

April Average Humidity in Unawatuna

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

April UV Index in Unawatuna

In April, Unawatuna, Sri Lanka, continues to bask in the blazing sun with a UV Index of 15, classifying the exposure as extreme and maintaining a rapid burn time of just 10 minutes. This trend reflects the region's consistent high UV levels during the early months of the year, with similar readings in March and a slight dip anticipated in May. As visitors enjoy the beautiful beaches, it's crucial to remain vigilant against sun exposure throughout the month. To stay informed about the ever-present UV intensity, check the latest details at Unawatuna UV Index.

Maximum UV Index Levels in Unawatuna for April

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

April Sunshine in Unawatuna

April in Unawatuna, Sri Lanka, shines brightly with 332 hours of glorious sunshine, continuing the trend of abundant sunlight observed since the start of the year. This slight dip from March’s peak of 334 hours is hardly noticeable, as the region consistently enjoys generous sunlight leading into the warmer months. Following April, May also brings 329 hours of warm rays, maintaining a lovely climate for beachgoers and nature lovers alike. Notably, the overall trend throughout the first half of the year showcases a delightful pattern, with the average sunshine hours gradually increasing until July, where they peak at an impressive 339 hours. Whether you're soaking up the sun on the beach or exploring lush landscapes, Unawatuna in April offers a perfect blend of scenic beauty and sunny skies.

Monthly Sunshine Duration in Unawatuna: April Highlighted

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

Chance of Sun in Unawatuna During April

April in Unawatuna, Sri Lanka, marks a delightful transition towards sunnier weather, boasting a 48% chance of sunshine—the highest for the month since the start of the year. This increase follows the modest sunny days of March, which offered only 34% sun. As the region gears up for the approaching dry season, April stands out as a promising time to soak up the warm rays before the monsoon clouds begin to roll in. While earlier months like January and February hinted at limited sunshine, April invites visitors to enjoy the beach and vibrant scenery, setting a robust tone for the months ahead.

Percentage of Sunny Days in April in Unawatuna

The chart illustrates the percentage of sunny days in Unawatuna throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Unawatuna in April

In Unawatuna, Sri Lanka, April marks a continuation of increased daylight as the region enjoys 12 hours of sunshine, consistent with March and the following months through August. This period showcases a transition into longer, sun-filled days, following the shorter daylight hours of the earlier months. While January and February provide a steadier 11 hours, as we move into spring, the extended daylight offers perfect opportunities for outdoor activities, beach lounging, and exploration. This trend of 12 hours remains stable across several months, underlining the tropical charm of Unawatuna and its allure for visitors seeking warmth and vibrancy during this delightful time of year. As October approaches, a gradual shift back to 11 hours begins, yet residents and travelers alike relish the sunny days leading up to that change.

Average Daylight Hours in Unawatuna for April

The chart illustrates the variation in daylight duration in Unawatuna throughout the year, with April 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.

April Winds in Unawatuna

As April approaches in Unawatuna, Sri Lanka, the gentle breeze begins to pick up, with an average wind speed of 3.1 m/s (7 mph)—a noticeable leap from the previous months. This shift marks the transition into a season of increasing wind activity, foreshadowing the stronger gusts that will follow in May and June. April's refreshing winds offer a delightful prelude to the summer months, inviting beachgoers and adventurers alike to experience the coastal charm in a more invigorating atmosphere. As the winds escalate, the idyllic surroundings of Unawatuna become a canvas for water sports and outdoor exploration, making this time of year particularly appealing for those eager to soak up the sun while feeling the thrill of the breeze.

Average April Wind Speed in Unawatuna

The chart displays monthly wind speed patterns in Unawatuna, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.53.1 m/s4.96.26.85.95.85.25.02.2
Data source: Unawatuna April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April'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.

In comparing the weather of April and January, both months exhibit warm temperatures, with January having a slightly cooler range, featuring a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 31°C (88°F). April, on the other hand, shows a minimum of 25°C (77°F) and a higher average of 28°C (82°F), reaching the same maximum of 31°C (89°F) as January. While January sees only 60 mm (2.4 in) of precipitation over 11 days, April experiences significantly more rainfall at 137 mm (5.4 in) across 24 days, and with slightly lower humidity at 77% compared to January's 80%. For more details, you can check Unawatuna weather in January.

In comparing the weather of April and February, both months feature relatively high temperatures, with April ranging from a minimum of 25°C (77°F) to a maximum of 31°C (89°F) and February showcasing slightly cooler averages with temperatures between 24°C (76°F) and 32°C (89°F). However, April experiences significantly higher precipitation, totaling 137 mm (5.4 in) over 24 days, compared to February's 62 mm (2.4 in) over just 12 days. Both months share a consistent humidity level of 77%, creating a tropical atmosphere. For more detailed information, you can check out Unawatuna weather in February.

In comparing the weather between March and April, we see some notable differences. In March, temperatures ranged from a minimum of 25°C (77°F) to a maximum of 32°C (89°F), with an average of 27°C (82°F). April's temperatures are slightly warmer, with a minimum of 25°C (77°F) and a maximum of 31°C (89°F), averaging 28°C (82°F). Precipitation levels also increased significantly in April, totaling 137 mm (5.4 in) over 24 days, compared to March’s 89 mm (3.5 in) over 17 days. Despite the uptick in rainfall, humidity remained consistent at 77% for both months, making the air feel equally humid. For more detailed insights on March weather, you can refer to Unawatuna weather in March.

In comparing the weather between April and May, both months exhibit similar temperature ranges, with minimums at around 25°C (77°F), average temperatures at 28°C (82°F), and maximums peaking at 31°C (87°F to 89°F). However, May experiences significantly higher precipitation, totaling 289 mm (11.4 in) compared to April's 137 mm (5.4 in). Additionally, rain is more frequent in May, with precipitation recorded on 28 days versus 24 days in April. The humidity remains relatively stable, slightly decreasing from 77% in April to 76% in May. For more detailed insights into the weather patterns, you can visit Unawatuna weather in May.

April and June share a similar range of temperatures, with both months exhibiting minimums around 25°C (77°F) and average highs reaching around 30°C. However, April typically enjoys slightly warmer average temperatures at 28°C (82°F) compared to June's average of 27°C (82°F). In terms of precipitation, June is notably wetter, receiving 237 mm (9.3 in) over 28 days, while April experiences less rain with 137 mm (5.4 in) across 24 days. Additionally, humidity levels in June rise to 83%, compared to 77% in April, contributing to a stickier atmosphere. For more detailed insights into June's weather, you can check Unawatuna weather in June.

In comparing the weather of April and July, both months exhibit warm temperatures, with minimums consistently at 25°C (77°F). However, April generally sees slightly higher daily averages, peaking at 31°C (89°F), while July's maximum temperature is a bit cooler, reaching 29°C (85°F). Precipitation is notably greater in July, with 207 mm (8.1 in) of rainfall over 28 days compared to April's 137 mm (5.4 in) over 24 days. Additionally, humidity levels are slightly higher in July at 81%, compared to 77% in April, contributing to a more humid atmosphere. For a more detailed view of what to expect, check out Unawatuna weather in July.

When comparing the weather in April and August, it’s clear that both months experience warm temperatures, with April generally being slightly warmer. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), with an average of 28°C (82°F). In contrast, August sees temperatures that are slightly lower, ranging from 25°C (76°F) to 29°C (84°F), with an average of 27°C (80°F).

However, August tends to be wetter, receiving more rainfall at 219 mm (8.6 in) over 27 days compared to April's 137 mm (5.4 in) over 24 days. Additionally, humidity levels are higher in August at 82%, compared to 77% in April. For more details, check out Unawatuna weather in August.

April and September present a warm climate, but there are notable differences in their weather patterns. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), with an average of 28°C (82°F). The month sees relatively high humidity at 77% and experiences significant rainfall, totaling 137 mm (5.4 in) over 24 days. Meanwhile, September's temperatures are slightly cooler, with a range of 25°C (77°F) to 29°C (84°F) and an average of 27°C (80°F). This month is characterized by even heavier rainfall, accumulating 235 mm (9.3 in) over 27 days, and higher humidity at 82%. For those interested in exploring more about weather conditions in this period, check out Unawatuna weather in September.

April and October both feature warm temperatures, with minimal fluctuations in the average daily highs. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), averaging around 28°C (82°F). Conversely, October sees slightly cooler temperatures, with an average of 27°C (80°F), peaking at 29°C (84°F). However, October experiences significantly higher rainfall, with 259 mm (10.2 in) over 28 days, compared to April's 137 mm (5.4 in) over 24 days. Additionally, humidity is slightly elevated in October at 83%, compared to 77% in April. For a detailed look at weather conditions during this month, you can refer to Unawatuna weather in October.

April and November exhibit remarkably similar temperatures, with April averaging around 28°C (82°F) and November slightly cooler at 27°C (80°F). Both months also have warm minimum temperatures, but November tends to be a bit more humid, reaching 81% compared to April's 77%. However, November experiences significantly more rainfall, with 223 mm (8.8 in) over 25 days, compared to April's 137 mm (5.4 in) over 24 days. This means that while both months can be warm, November is typically wetter and more humid. For more specifics on November weather, you can check Unawatuna weather in November.

April and December weather in Unawatuna presents some intriguing similarities and differences. Both months feature warm temperatures, with April having slightly higher average highs at 31°C (89°F) compared to December's 30°C (85°F). However, December experiences a marginally cooler average temperature of 27°C (80°F), compared to April's 28°C (82°F). In terms of precipitation, December sees an increase, with a total of 151 mm (5.9 in) over 19 days, while April has 137 mm (5.4 in) but spans 24 days of rain. Additionally, December has a higher humidity level of 82%, compared to April’s 77%. For a detailed overview of the weather conditions in December, you can refer to Unawatuna weather in December.

Compare Unawatuna's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Unawatuna

April in Unawatuna brings a notable shift in weather patterns, characterized by warmer temperatures and increased humidity, making it distinctly different from the preceding months. Visitors can expect daily highs around 31°C (89°F), which, combined with the 77% humidity, creates a tropical ambiance. Rainfall adds to the tropical vibe, as April experiences a higher incidence of precipitation across approximately 24 days, resulting in an overall moist environment. This month sets the stage for the lush greenery that defines the region. For those planning to travel, understanding the climatic nuances is essential, and more detailed insights can be found at Unawatuna Climate.