April Weather in Negombo, Sri Lanka

Last updated: March 19, 2025

April in Negombo, Sri Lanka, brings warm and humid conditions, with average temperatures hovering around 28°C (83°F), peaking at a maximum of 32°C (91°F). Despite the thermal comfort, this month experiences considerable rainfall, totaling 130 mm (5.1 in) over approximately 25 days. With humidity levels at a notable 74%, visitors should be prepared for occasional downpours interspersed with sunny spells, making it a month of vibrant nature and lush landscapes.

April Temperature in Negombo

In April, Negombo, Sri Lanka, experiences a warm and pleasant climate, with temperatures reflecting a trend of gradual increases as the year progresses. The minimum temperature rises to 25°C (78°F), while the average remains steady at 28°C (83°F), ideal for beachgoers and outdoor enthusiasts. The maximum temperature hits a peak of 32°C (91°F), slightly lower than March, but still plenty warm for enjoying the sun. This month marks a transition into the warmer season, as the coastal city offers a delightful mix of sun-kissed days and refreshing breezes, making it a prime time for visitors seeking to soak in both culture and natural beauty.

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

The chart illustrates April temperature patterns in Negombo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec808183838382828181818181
Data source: Temperature data for Negombo 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 Negombo

In April, Negombo experiences a significant surge in precipitation, with rainfall reaching 130 mm (5.1 in), marking a notable increase compared to the previous months. This uptick is reflected in the 25 rainy days, making April the month with one of the highest frequencies of rainfall in the region. This pattern sets the stage for even heavier downpours in May, which records an astonishing 281 mm (11.1 in) over 29 days. The transition into April heralds the start of the monsoon season, as the skies unleash consistent showers that support the lush landscapes characteristic of Sri Lanka. Consequently, while the early months are relatively dry, April signifies a pivotal shift towards the wetter climate that dominates the following months, emphasizing the dynamic weather patterns that shape Negombo's environment.

April Precipitation Trends in Negombo

The chart displays monthly precipitation patterns in Negombo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec442594130281241160181227330307146
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Negombo

In April, Negombo, Sri Lanka experiences a humidity level of 74%, maintaining the steady trend observed since March. This marks a slight decrease from January's peak of 77% and February's 73%, suggesting a mild stabilization in moisture levels as the region transitions towards the wetter months. Following April, humidity rises gradually, culminating in the more humid conditions of late spring and summer, where levels reach their peak at 83% in August. This pattern highlights how the climate evolves throughout the year, with April serving as a transitional phase before the more humid months ahead.

April Average Humidity in Negombo

This chart illustrates the average monthly humidity levels in Negombo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%74%74%76%82%82%83%82%81%80%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Negombo

In April, Negombo, Sri Lanka, experiences a peak UV Index of 15, categorizing the exposure as extreme and resulting in a burn time of just 10 minutes. This month marks the highest UV levels of the year, following closely behind the already intense indices of February and March, which both recorded a UV index of 14. The trend highlights a consistent pattern of extreme UV exposure from January through May, emphasizing the necessity for sun protection during these warmer months. As the UV index begins to taper off slightly in June and July, outdoor enthusiasts should remain vigilant and informed. For the latest updates, check out the detailed insights at Negombo UV Index.

Maximum UV Index Levels in Negombo for April

The chart shows the monthly maximum UV Index (UVI) for Negombo 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.
JanFebMarAprMayJunJulAugSepOctNovDec121414151413131314131110
Data source: Negombo 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 Negombo

April in Negombo, Sri Lanka, offers a delightful blend of sunshine, with 334 hours of bright, cheery days that continue the region's sunny streak from March’s peak of 336 hours. This splendid weather marks a transition into the middle of the year, where the sun shines consistently, as seen in May and June, consistently offering around 312 to 320 hours of sunlight. Notably, the overall trend reveals that the first half of the year is characterized by abundant sunshine, creating an ideal backdrop for beachgoers and tourists alike. As April gently dips toward May, the sun remains generous, ensuring that the warmth and vibrancy of Negombo continue to entice visitors throughout the season.

Monthly Sunshine Duration in Negombo: April Highlighted

The April sunshine duration represents the total number of hours Negombo 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.
JanFebMarAprMayJunJulAugSepOctNovDec270h312h336h334h312h320h333h326h304h299h279h312h
Data source: Negombo April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Negombo During April

In Negombo, Sri Lanka, the likelihood of sunny weather sees a notable uptick in April, with a 47% chance of basking in the sun. This positive trend follows a mixed bag of weather in March and precedes the stark drop in sunshine during the monsoon months of May through August, where chances plummet to as low as 9%. With sunny days rebounding in February (54%) and significant variability throughout the preceding months, April stands out as a promising time for outdoor activities, making it an ideal choice for travelers seeking warmth and sunshine before the rains set in.

Percentage of Sunny Days in April in Negombo

The chart illustrates the percentage of sunny days in Negombo 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 Negombo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%54%35%47%17%22%16%9%18%15%14%55%
Data source: Negombo April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Negombo in April

In April, the enchanting coastal city of Negombo, Sri Lanka, enjoys 12 hours of daylight, mirroring the trend established in March and carried through May to August. This consistent daylight duration is indicative of a tropical climate, where the variation in day length is minimal throughout the year. As the year progresses into the warmer months, daylight remains stable, providing ample opportunity for sun-soaked adventures and relaxation along the beach. This pattern of equal daylight hours fosters a sense of harmony with nature, making April an ideal time for both locals and travelers to embrace the vibrant life of this coastal paradise.

Average Daylight Hours in Negombo for April

The chart illustrates the variation in daylight duration in Negombo throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 44m11h 52m12h 4m12h 16m12h 26m12h 31m12h 28m12h 19m12h 8m11h 56m11h 46m11h 42m
Data source: Negombo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Negombo

In April, the winds in Negombo, Sri Lanka offer a gentle embrace, with an average speed of 3.3 m/s (7 mph). Following the breezier months of January and February, which boast wind speeds of 3.9 m/s and 5.1 m/s respectively, April presents a slight dip, giving way to a more tranquil atmosphere. This calm is a brief interlude before the winds pick up again in May, reaching 4.5 m/s and continuing to strengthen throughout the summer months. As the year progresses into June and July, the breeze intensifies, peaking at 5.9 m/s in July. April serves as a reminder of the transitional phase of the season, where the quiet winds invite relaxation before the summer's lively gusts take hold.

Average April Wind Speed in Negombo

The chart displays monthly wind speed patterns in Negombo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.12.53.3 m/s4.55.45.95.65.24.03.94.5
Data source: Negombo April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Negombo Compares to Other Months

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

When comparing April and January weather, April typically experiences warmer temperatures, with an average of 28°C (83°F) compared to January's average of 27°C (80°F). Both months can reach a maximum temperature of 32°C (90°F to 91°F); however, April tends to be more humid at 74% versus January's 77%. Interestingly, April also sees significantly more precipitation, with 130 mm (5.1 in) over 25 days, while January brings only 44 mm (1.7 in) of rain across just 5 days. For a closer look at January's conditions, you can visit Negombo weather in January.

When comparing the weather in April and February, we see some notable differences. April is generally warmer, with minimum temperatures around 25°C (78°F) and average highs reaching 32°C (91°F), while February has slightly cooler ranges with minimums of 23°C (73°F) and maximums hitting 33°C (91°F). February experiences significantly less rainfall, with only 25 mm (1.0 in) over 5 days, compared to April's 130 mm (5.1 in) across 25 days, indicating that April is much wetter. Despite the higher temperatures, humidity levels remain similar, with April at 74% and February slightly lower at 73%. For more detailed insights, you can check Negombo weather in February.

In comparing the weather between March and April, both months exhibit similar average temperatures, with April maintaining a consistent average of 28°C (83°F) and March slightly warmer with a maximum of 33°C (92°F). However, April tends to be wetter, experiencing 130 mm (5.1 in) of precipitation over 25 days, compared to March's 94 mm (3.7 in) across 17 days. Notably, humidity levels remain constant at 74% in both months, indicating a consistently humid environment. For a more detailed look at March's weather specifics, you can check Negombo weather in March.

In comparing the weather between April and May, both months share similar temperature ranges, with minimums around 25°C (78°F) and averages near 28°C (83°F). However, May tends to be slightly cooler on average, with a maximum of 31°C (88°F) compared to April's peak of 32°C (91°F). One of the most noticeable differences is the significant increase in precipitation, as May experiences 281 mm (11.1 in) across 29 days, compared to April's 130 mm (5.1 in) over 25 days. This results in a higher humidity level of 76% in May, compared to 74% in April, making the latter part of the spring season feel quite damp. For more details, you can refer to Negombo weather in May.

April and June exhibit similar average temperatures, with both months hovering around 28°C (83°F). However, April generally experiences slightly higher maximum temperatures of up to 32°C (91°F) compared to June's 31°C (87°F). Precipitation levels rise significantly in June, reaching 241 mm (9.5 in) over 29 days, which is a dramatic increase from April's 130 mm (5.1 in) over 25 days. Additionally, humidity is higher in June at 82%, compared to April's 74%. For more specific details on June weather, you can visit Negombo weather in June.

In comparing the weather between April and July, both months experience similar temperature ranges, with April showing a minimum of 25°C and an average high of 32°C, while July maintains a slightly lower maximum of 30°C. However, July tends to be slightly more humid, with humidity levels reaching 82% compared to April's 74%. Precipitation also increases in July, with a total of 160 mm over 25 days, compared to April's 130 mm in the same number of rainy days. For a more detailed look at what to expect, you can check Negombo weather in July.

April and August share similar temperature ranges, with both months starting with a minimum temperature of around 25°C (78°F). However, April boasts a slightly higher average temperature of 28°C (83°F) and a maximum of 32°C (91°F), while August cools to an average of 27°C (81°F) and a maximum of 29°C (85°F).

In terms of precipitation, August experiences more rainfall, totaling 181 mm (7.1 in) across 27 days, compared to April's 130 mm (5.1 in) across 25 days. Additionally, humidity levels creak higher in August at 83%, compared to April's 74%. For a detailed look at August weather, visit Negombo weather in August.

In April, the weather features warmer temperatures, with minimums reaching 25°C (78°F) and maximums soaring to 32°C (91°F), alongside an average of 28°C (83°F). However, this month also experiences significant rainfall, accumulating 130 mm (5.1 in) over 25 days, with a humidity level of 74%. In contrast, September has slightly cooler average temperatures, with a high of 30°C (86°F) and an average of 27°C (81°F). Rainfall is more pronounced in September, reaching 227 mm (8.9 in) over 26 days, coupled with increased humidity at 82%. For more detailed information about the weather conditions in September, check out Negombo weather in September.

April and October in Negombo present warm and humid conditions, but they diverge significantly in precipitation patterns. In April, temperatures fluctuate between a minimum of 25°C (78°F) and a maximum of 32°C (91°F), with an average of 28°C (83°F). The month sees around 130 mm (5.1 in) of rainfall spread over 25 days, resulting in a humidity level of 74%. In contrast, October experiences slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (87°F), averaging 27°C (81°F). However, it is considerably wetter, with precipitation reaching 330 mm (13.0 in) over 29 days and humidity rising to 81%. For more details, you can check the Negombo weather in October.

When comparing the weather in April and November, both months exhibit warm temperatures, but November tends to be slightly cooler with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F). In contrast, April experiences slightly higher temperatures, with averages from 25°C (78°F) to 32°C (91°F). Precipitation is notably different as well; April brings approximately 130 mm (5.1 in) of rain over 25 days, while November sees a significant increase, with 307 mm (12.1 in) of rainfall over 24 days, contributing to higher humidity levels of 80% compared to April's 74%. For more specific details about November weather, you can visit Negombo weather in November.

In April, the weather in Negombo is typically warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (91°F), and an average of 28°C (83°F). This month experiences significant rainfall, totaling 130 mm (5.1 in) over approximately 25 days, contributing to a humidity level of 74%. In contrast, December presents slightly cooler conditions, with temperatures ranging from 23°C (74°F) to 31°C (89°F) and an average of 27°C (81°F). Although the total precipitation increases to 146 mm (5.8 in) over only 15 days, December is characterized by higher humidity at 80%. For more detailed information, check out Negombo weather in December.

Compare Negombo's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Negombo

April in Negombo marks a transition into the heart of the wet season, showcasing a marked increase in humidity and precipitation compared to other months. With temperatures peaking at a sizzling 32°C, the heat can feel more intense, especially under the frequent bouts of rain that contribute to a total of 130 mm of rainfall over about 25 days. While the average temperature remains a comfortable 28°C, the persistent humidity levels hovering around 74% can make the days feel muggy. If you're planning a visit during this month, prepare for a tropical atmosphere, often punctuated by refreshing showers that keep the landscape lush. For a more detailed understanding of what to expect throughout the year, check out Negombo Climate.