April Weather in Ratnapura, Sri Lanka

Last updated: March 19, 2025

April in Ratnapura, Sri Lanka, is characterized by a tropical climate, with temperatures oscillating between a minimum of 18°C (65°F) and a maximum reaching up to 31°C (88°F). The average temperature sits comfortably at 24°C (76°F), making it a warm month overall. However, this warmth is accompanied by significant precipitation, with 415 mm (16.3 in) falling over approximately 28 days, resulting in a humid environment with an average humidity level of 69%. Visitors can expect a lush, vibrant landscape shaped by frequent rainfall, defining Ratnapura's unique April weather.

April Temperature in Ratnapura

In April, Ratnapura, Sri Lanka, experiences a delightful warmth as it transitions deeper into spring, with temperatures ranging from a minimum of 18°C (65°F) to a comfortable maximum of 31°C (88°F). The average temperature remains steady at 24°C (76°F), offering a pleasant climate for both locals and visitors. This month marks a slight increase in nighttime temperatures compared to the previous months, indicating the onset of warmer evenings. As April unfolds, the daytime warmth continues to mirror the fluctuations seen in March, maintaining that inviting tropical essence that characterizes Ratnapura's climate. With comfortable heat and the promise of lush greenery, April is an ideal moment to explore the natural beauty of this enchanting region.

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

The chart illustrates April temperature patterns in Ratnapura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737475767675757474747474
Data source: Temperature data for Ratnapura 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 Ratnapura

April marks a pivotal month in Ratnapura, Sri Lanka, showcasing a notable peak in precipitation with 415 mm (16.3 in) recorded. This increase contributes to the region's distinctive climatic profile, as rainfall grows progressively from January's 241 mm (9.5 in) to this April high. Although April experiences 28 days of rainfall, it remains a vital part of the lead-up to the even wetter months ahead, such as May, which sees an uptick to 431 mm (17.0 in). This steady rise in precipitation sets the tone for the monsoon season, illustrating Ratnapura’s characteristic humid weather and highlighting its lush, vibrant landscapes that flourish in response to these abundant rains.

April Precipitation Trends in Ratnapura

The chart displays monthly precipitation patterns in Ratnapura, 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.
JanFebMarAprMayJunJulAugSepOctNovDec241289384415431233219245287475643402
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ratnapura

In April, Ratnapura experiences a humidity level of 69%, maintaining the same comfortable conditions as in March. This slight stabilization follows the significant drop from the peak of 80% in January to the more moderate figures in subsequent months. As the region transitions into the wetter season, humidity begins to rise again in May, reaching 79%, and further escalates through the mid-year months, peaking at 89% in October. This trend highlights a typical pattern in Ratnapura's climate, where humidity fluctuates considerably, creating a lush and vibrant environment as the year progresses.

April Average Humidity in Ratnapura

This chart illustrates the average monthly humidity levels in Ratnapura, 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%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ratnapura

April in Ratnapura, Sri Lanka, brings a UV Index of 15, marking it as a month of extreme sun exposure. This level remains consistent with the previous month of March, which also had a UV Index of 15, indicating that visitors and residents should be particularly cautious about sun safety. With a burn time of just 10 minutes, the risk of skin damage is high, echoing the trend of intense UV radiation noted from January through May. As travelers explore the lush landscapes and vibrant culture of Ratnapura, it's essential to prioritize sun protection. For further details, you can check the Ratnapura UV Index to stay informed and safe under the Sri Lankan sun.

Maximum UV Index Levels in Ratnapura for April

The chart shows the monthly maximum UV Index (UVI) for Ratnapura 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.
JanFebMarAprMayJunJulAugSepOctNovDec121415151513131414131211
Data source: Ratnapura 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 Ratnapura

April in Ratnapura, Sri Lanka, embraces the essence of sunshine with an impressive 331 hours of bright, uplifting days. This month stands out as a continuation of the region's peak sunshine trend, closely following March's 333 hours. As the year progresses, sunshine remains abundant, with monthly totals consistently above 300 hours from February through July, peaking in July at 336 hours. April's radiant days not only symbolize the transition into the heart of the dry season but also present an ideal time for outdoor explorations, making it the perfect moment to bask in Ratnapura’s stunning natural beauty. As the days gradually lengthen towards mid-year, the warmth and light of April promise an invigorating experience.

Monthly Sunshine Duration in Ratnapura: April Highlighted

The April sunshine duration represents the total number of hours Ratnapura 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.
JanFebMarAprMayJunJulAugSepOctNovDec268h309h333h331h319h331h336h334h311h303h277h306h
Data source: Ratnapura April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ratnapura During April

April in Ratnapura, Sri Lanka sees a notable increase in sunny weather, with a 37% chance of sunshine, making it one of the brighter months of the year. This uptick follows a dip in March (26%) and stands in contrast to the gloomy months that ensue, such as May and June, where the likelihood of sun falls to a mere 13% and 18%, respectively. Interestingly, April also transitions from the relatively drier February, which boasts a 36% chance of sunshine, indicating a trend toward more favorable weather as the region gears up for the mid-year monsoon. With such promising prospects, April appears to be a delightful time for those seeking to bask in the sun before the rainy season begins.

Percentage of Sunny Days in April in Ratnapura

The chart illustrates the percentage of sunny days in Ratnapura 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 Ratnapura experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%36%26%37%13%18%11%6%13%12%12%41%
Data source: Ratnapura April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ratnapura in April

In April, the charming city of Ratnapura, Sri Lanka, enjoys a consistent 12 hours of daylight, mirroring the trends seen in March and preceding into the warmer months of May through August. This delightful stability in daylight hours reflects the region's tropical climate, where sunshine bathes the lush landscapes almost equally throughout the mid-year. Following this period of extended daylight, the hours gradually taper off, dropping to 11 hours as the year transitions into October. Overall, April marks a peak in the harmonious pattern of daylight duration, inviting both residents and visitors to revel in the beauty of the vibrant surroundings.

Average Daylight Hours in Ratnapura for April

The chart illustrates the variation in daylight duration in Ratnapura throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 46m11h 53m12h 4m12h 15m12h 24m12h 29m12h 27m12h 18m12h 8m11h 57m11h 48m11h 43m
Data source: Ratnapura daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Ratnapura

In April, the gentle breeze in Ratnapura, Sri Lanka, begins to pick up, with an average wind speed of 1.3 m/s (3 mph). This marks a subtle shift from the earlier months, where the winds remained consistently calm at 1.1 m/s (2 mph). As the region transitions into the warmer months, the wind speeds gradually increase, hinting at the arrival of spring with May's winds reaching 1.9 m/s (4 mph). This upward trend continues through June and July, where winds become more pronounced, providing a refreshing contrast to the tropical humidity. Overall, April serves as a gentle prelude to the breezier conditions that follow, making it a delightful time to embrace the fresh air while enjoying the lush sceneries that Ratnapura has to offer.

Average April Wind Speed in Ratnapura

The chart displays monthly wind speed patterns in Ratnapura, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.11.11.3 m/s1.92.22.52.22.11.71.71.0
Data source: Ratnapura April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Ratnapura Compares to Other Months

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

In comparing the weather of April and January, April generally experiences warmer temperatures, with averages reaching around 24°C (76°F) compared to January's 23°C (74°F). While both months have similar maximum temperatures, April's minimum temperature of 18°C (65°F) is slightly higher than January's 15°C (59°F). In terms of precipitation, April is significantly wetter, receiving 415 mm (16.3 in) over 28 days, whereas January has 241 mm (9.5 in) over 18 days. Additionally, January presents higher humidity levels at 80%, compared to April's 69%. For more detailed insights into January weather, you can visit Ratnapura weather in January.

April and February present quite similar weather patterns, with average temperatures hovering around 24°C (75°F). However, April tends to be slightly warmer with a minimum temperature of 18°C (65°F) compared to February's 16°C (62°F), while both months can reach maximums of 31°C (88°F) in April and 32°C (90°F) in February. When it comes to precipitation, April is notably wetter, with 415 mm (16.3 in) of rain falling over 28 days, compared to February's 289 mm (11.4 in) over 23 days. The humidity is also slightly higher in February at 72% compared to 69% in April, indicating a marginally heavier atmosphere during that month. For more specific details about February weather, you can visit Ratnapura weather in February.

In comparing the weather between March and April, both months display similar temperature ranges, with March showing a minimum of 17°C (62°F) and a maximum of 31°C (88°F), while April has slightly higher minimum temperatures at 18°C (65°F). The average temperatures remain consistent at 24°C (75°F for March and 76°F for April). However, April experiences a slightly higher precipitation with 415 mm (16.3 in) over 28 days, compared to March's 384 mm (15.1 in) over 29 days, indicating that April is a bit wetter despite having one less rainy day. Humidity levels remain constant at 69% for both months, resulting in a similarly tropical feel. For a detailed look at March weather patterns, check out Ratnapura weather in March.

In April, temperatures range from a minimum of 18°C (65°F) to a maximum of 31°C (88°F), with an average of 24°C (76°F). The month experiences significant rainfall, with 415 mm (16.3 in) of precipitation over 28 days and a humidity level of 69%. In contrast, May sees slightly warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 30°C (86°F), while maintaining an average temperature of 24°C (76°F). Rainfall increases to 431 mm (17.0 in) spread across 29 days, along with a higher humidity of 79%. For more detailed information on May weather, check out Ratnapura weather in May.

In April, the weather is generally warmer with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 31°C (88°F) and an average of 24°C (76°F). However, this month sees significant rainfall, totaling 415 mm (16.3 in) over 28 days, along with a humidity level of 69%. In contrast, June experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 29°C (84°F), while maintaining the same average of 24°C (75°F). Rainfall is also reduced to 233 mm (9.2 in), although the number of rainy days remains similar, accompanied by a higher humidity level at 85%. For more specific information on weather patterns, you can check Ratnapura weather in June.

When comparing the weather in April and July, April tends to be warmer with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 31°C (88°F) and an average of 24°C (76°F). The month experiences significant precipitation at 415 mm (16.3 in) over 28 days, accompanied by a humidity level of 69%. In contrast, July is cooler, with a minimum temperature of 20°C (68°F) and a maximum of 28°C (83°F), while maintaining the same average of 24°C (75°F) as April. July sees less rainfall, totaling 219 mm (8.6 in) over 29 days and a higher humidity level of 81%. For further insights on July weather, you can check Ratnapura weather in July.

April and August present contrasting weather patterns. In April, temperatures range from a minimum of 18°C (65°F) to a maximum of 31°C (88°F), averaging at 24°C (76°F). The month is characterized by a high precipitation level of 415 mm (16.3 in) across 28 days, accompanied by a humidity level of 69%. In stark contrast, August features milder temperatures, with a minimum of 20°C (68°F) and a maximum of 28°C (83°F), averaging at 23°C (74°F). Additionally, it experiences less rainfall at 245 mm (9.6 in) over 27 days, while the humidity rises to 85%. For more detailed insights, check Ratnapura weather in August.

In comparing the weather of April and September, we find that both months experience warm temperatures, with April generally being slightly hotter. April’s average temperature reaches 24°C (76°F), peaking at 31°C (88°F), while September's average is a bit cooler at 23°C (74°F), with a maximum of 29°C (84°F). Precipitation levels also differ significantly; April sees more rainfall at 415 mm (16.3 in) across 28 days, compared to September's 287 mm (11.3 in) over 26 days. Additionally, September experiences higher humidity, averaging 81%, compared to April's 69%. For more detailed insights on September's weather, you can visit Ratnapura weather in September.

April and October exhibit distinct weather patterns, reflecting the transition between two different seasons. In April, temperatures range from a minimum of 18°C (65°F) to a maximum of 31°C (88°F), with an average of 24°C (76°F). The month is characterized by significant rainfall, totaling 415 mm (16.3 in) across 28 days, and a humidity level of 69%. In contrast, October experiences slightly milder temperatures, with a minimum of 19°C (66°F), an average of 23°C (74°F), and a maximum of 28°C (84°F). Precipitation increases to 475 mm (18.7 in) over 29 days, accompanied by higher humidity at 89%. For more detailed information on the weather in October, you can check Ratnapura weather in October.

April and November present a striking contrast in weather conditions despite sharing similar minimum temperatures. In April, the average temperature is a warmer 24°C (76°F), peaking at 31°C (88°F), while November experiences a cooler average of 23°C (74°F) and a maximum of 29°C (84°F). However, November sees significantly higher precipitation, with 643 mm (25.3 in) spread over 26 days, compared to April’s 415 mm (16.3 in) over 28 days. Additionally, the humidity in November is notably higher at 88%, compared to April's 69%, contributing to a distinctly more humid atmosphere. For more detailed observations about the November weather, you can visit Ratnapura weather in November.

In comparing the weather between April and December, we note that both months feature warm temperatures, with averages of 24°C (76°F) in April and 23°C (74°F) in December. April tends to be slightly warmer, with a maximum temperature reaching 31°C (88°F), compared to December's 30°C (85°F). However, December is characterized by higher humidity at 86%, compared to April's 69%. Precipitation levels are also similar, with April receiving 415 mm (16.3 in) over 28 days and December slightly less at 402 mm (15.8 in) over 27 days. For more detailed information, you can check Ratnapura weather in December.

Compare Ratnapura's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Ratnapura

April in Ratnapura brings a unique blend of warm temperatures and significant rainfall, distinguishing it from other months of the year. With daytime highs reaching a balmy 31°C and an average temperature of 24°C, the warmth is accompanied by a notable increase in humidity at 69%, creating a tropical atmosphere. The month also witnesses an impressive 415 mm of precipitation over 28 days, making it one of the wettest periods. This combination of warmth and abundant rain not only enhances the lushness of the surrounding landscapes but also sets the stage for vibrant natural beauty. For a deeper understanding of Ratnapura's weather patterns, explore the Ratnapura Climate.