June Weather in Negombo, Sri Lanka

Last updated: March 19, 2025

June in Negombo, Sri Lanka presents a warm and humid climate, characterized by a maximum temperature soaring to 31°C (87°F) and an average temperature settling at a pleasant 28°C (83°F). Nighttime brings cooler air, with minimum temperatures around 26°C (78°F). However, this month is also marked by significant precipitation, totaling 241 mm (9.5 in) over a staggering 29 rainy days, contributing to the region's lush greenery. Expect high humidity levels averaging 82%, making it essential to stay hydrated while enjoying the vibrant culture and stunning coastal beauty during this tropical season.

June Temperature in Negombo

In June, Negombo, Sri Lanka experiences a soothing warmth, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 31°C (87°F). This month maintains a steady average temperature of 28°C (83°F), mirroring the pleasant warmth of the preceding months. Notably, June marks a slight increase in morning lows compared to May, hinting at the onset of a gentle warmth. As the rainy season approaches, the humidity begins to rise, adding a tropical touch to the coastal ambiance. Visitors can expect to enjoy warm days and balmy evenings, making it an ideal time to explore the vibrant culture and scenic beaches of Negombo.

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

The chart illustrates June 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.

June Precipitation in Negombo

In June, Negombo, Sri Lanka, experiences significant rainfall, with an impressive 241 mm (9.5 in) of precipitation measured over 29 days. This month is a continuation of the monsoon season, marked by a gradual decline from the peak precipitation of 281 mm (11.1 in) seen in May. The consistent rainfall offers a lush, vibrant atmosphere, making the landscape particularly enticing. As the region transitions into July, the precipitation moderately decreases to 160 mm (6.3 in), indicating a potential shift in weather patterns. The data not only highlights June as a wet month but also emphasizes the overall trend of increased rainfall leading into mid-year, a testament to Negombo’s tropical climate.

June Precipitation Trends in Negombo

The chart displays monthly precipitation patterns in Negombo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec442594130281241160181227330307146
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Negombo

In June, Negombo experiences a notable spike in humidity, soaring to 82%, which aligns with the onset of the monsoon season. This increase represents a significant rise from the previous months, particularly after a relatively stable 74% to 76% range from January through May. The elevated humidity in June sets the tone for the subsequent months, as both July and August maintain similar levels at 82% and 83% respectively. This trend indicates a consistent pattern of high humidity during the latter part of the year, as the coastal region becomes enveloped in tropically charged air, enhancing the lush, green landscapes for which Sri Lanka is renowned. As the year progresses, humidity gradually eases to slightly lower levels, but the marked increase in June clearly signifies the island’s transition into its warm, vibrant wet season.

June Average Humidity in Negombo

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

June UV Index in Negombo

In June, the UV Index in Negombo, Sri Lanka remains high, recorded at 13, which falls within the extreme exposure category. This consistent intensity reflects a broader trend from January through October, where the UV Index hovers between 10 and 15, requiring just a brief 10-minute burn time for unprotected skin. Such readings underscore the importance of sun safety practices, especially as the summer months approach. As the UV Index begins to slightly ease in November and December, it still highlights a demanding climate for sun exposure. For more details, check out the comprehensive Negombo UV Index.

Maximum UV Index Levels in Negombo for June

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

June in Negombo, Sri Lanka, shines brightly with 320 hours of sunshine, continuing the delightful trend of ample daylight that characterizes the early half of the year. Following a robust 336 hours in March and a well-balanced 334 hours in April, the sun remains a consistent companion through May. Although the sunshine begins to wane slightly in the latter months, with 279 hours in November marking the low point, the transition from the peak of summer into the monsoon season is smoothly navigated, maintaining a warm and inviting climate for visitors. Overall, the gradual decline in sunlight hours serves as a gentle reminder of the changing seasons, yet June still promises plenty of sun-kissed adventures by the beach.

Monthly Sunshine Duration in Negombo: June Highlighted

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

Chance of Sun in Negombo During June

In Negombo, Sri Lanka, the likelihood of sunny weather in June tends to be relatively low, with only a 21% chance of sunshine. This follows a slight dip from the warmer months of March and April, which offer more favorable conditions with 35% and 47% chances of sun, respectively. Interestingly, the sunniest months are February at 54% and December at 55%, showcasing a clear seasonal trend of declining sunlight towards mid-year. The pattern continues into the following months with July and August seeing even lower probabilities of clear skies, at 16% and 9%. Thus, if you're planning a visit in June, it's wise to prepare for a mix of sun and potential rain, as the weather becomes less predictable as the year progresses.

Percentage of Sunny Days in June in Negombo

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

Daylight Hours in Negombo in June

In Negombo, Sri Lanka, the daylight duration showcases an intriguing rhythm throughout the year. As the year begins, January and February offer a consistent 11 hours of daylight, setting a gentle pace. This gradually shifts in March and April, where the sun lingers longer, extending to 12 hours. This delightful stretch continues into May and throughout June, allowing residents and visitors alike to enjoy the warm tropical sun. July, August, and September maintain this 12-hour daylight pattern, creating a harmonious balance of light ideal for outdoor pursuits. As October approaches, daylight begins to wane again, returning to 11 hours in November and December, reiterating a reliable cycle that mirrors the island's equatorial charm.

Average Daylight Hours in Negombo for June

The chart illustrates the variation in daylight duration in Negombo throughout the year, with June 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.

June Winds in Negombo

As June arrives in Negombo, Sri Lanka, a notable shift in wind patterns can be felt, with the average wind speed peaking at 5.4 m/s (12 mph). This increase marks a transition from the calmer breezes of the earlier months, as May closes with a reliable 4.5 m/s (10 mph). The winds of June not only usher in a fresh feel to the coastal atmosphere but also set the stage for the escalating gusts that follow in July, which reaches 5.9 m/s (13 mph). This consistent uptick hints at the onset of the southwest monsoon, propelling a lively maritime ambiance that invites both locals and visitors to experience the dynamic beauty of the sea. As the summer progresses, the winds remain robust, averaging around 5.6 m/s (13 mph) in August, signaling that June is merely a precursor to the vibrant breezes ahead.

Average June Wind Speed in Negombo

The chart displays monthly wind speed patterns in Negombo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.12.53.34.55.4 m/s5.95.65.24.03.94.5
Data source: Negombo June wind data, generated using information from the Copernicus Climate Change Service.

How June 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 June'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.

June and January in Negombo present distinct weather patterns. June boasts a warmer climate with average temperatures around 28°C (83°F), reaching highs of 31°C (87°F) and experiencing significant rainfall of 241 mm (9.5 in) over an average of 29 days, all while maintaining high humidity levels of 82%. In contrast, January features a slightly cooler average temperature of 27°C (80°F) with maximums peaking at 32°C (90°F), yet it offers a much drier experience with only 44 mm (1.7 in) of precipitation spread over just 5 days, accompanied by lower humidity at 77%. For a more detailed look at weather specifics during this month, visit Negombo weather in January.

June and February exhibit notable differences in weather patterns. June is characterized by higher humidity (82%) and more frequent rainfall, with 241 mm of precipitation over 29 days, creating a lush environment. The temperatures range from a minimum of 26°C (78°F) to a maximum of 31°C (87°F), making it quite warm. In contrast, February offers a drier experience with only 25 mm of rainfall across just 5 days and lower humidity at 73%. The temperatures in February are slightly cooler, with a minimum of 23°C (73°F) and a maximum of 33°C (91°F). For more insights on February weather in this region, check out Negombo weather in February.

In comparing the weather of June and March, June tends to be more humid and wetter, featuring an average temperature of 28°C (83°F) with highs reaching 31°C (87°F) and significant rainfall of 241 mm (9.5 in) over 29 days. In contrast, March offers slightly warmer temperatures, with a maximum of 33°C (92°F) and a lower humidity level of 74%, alongside much less precipitation at 94 mm (3.7 in) over 17 days. Overall, while both months share similar average temperatures, June is characterized by its increased rainfall and humidity compared to the relatively drier and warmer March. For more detailed information, you can check Negombo weather in March.

In comparing the weather between June and April, both months have similar average temperatures, with a minimum of 26°C in June and 25°C in April, and an average of 28°C for both months. However, June tends to be cooler at its maximum temperature of 31°C compared to April's 32°C. Notably, June experiences significantly higher precipitation, totaling 241 mm over 29 days, in contrast to April's 130 mm over 25 days. Additionally, June is characterized by a higher humidity level of 82%, compared to 74% in April. For more information about April weather in Negombo, check out Negombo weather in April.

June and May exhibit similar temperature patterns, with both months featuring an average of 28°C (83°F) and maximum temperatures reaching 31°C (87°F) in June and 31°C (88°F) in May. However, June experiences slightly higher humidity at 82%, compared to May's 76%. Precipitation levels are notably different; June sees 241 mm (9.5 in) of rainfall over 29 days, while May is wetter with 281 mm (11.1 in) also over 29 days. For those looking for more detailed information about the weather in May, you can check Negombo weather in May.

In comparing the weather between June and July, both months display a similar warm climate with average temperatures around 28°C (82°F). June tends to be slightly hotter, with maximum temperatures reaching up to 31°C (87°F), while July sees a slight decrease with a maximum of 30°C (86°F). Rainfall is notably heavier in June, with 241 mm (9.5 in) of precipitation over 29 days, compared to July’s 160 mm (6.3 in) across 25 days. Humidity remains consistently high at 82% for both months, creating a tropical atmosphere. For those interested in specifics about July weather conditions, you can find more information here: Negombo weather in July.

In comparing the weather between June and August, June typically experiences slightly warmer temperatures, with minimums around 26°C (78°F) and maximums reaching 31°C (87°F), while August sees a slight reduction with minimums of 25°C (77°F) and maximums of 29°C (85°F). June also tends to be wetter, receiving 241 mm (9.5 in) of precipitation across 29 days, compared to August's 181 mm (7.1 in) over 27 days. Humidity levels remain high in both months, with June at 82% and August slightly higher at 83%. For more specific details on August weather, you can visit Negombo weather in August.

June and September showcase similar weather patterns, though with some notable differences. In June, temperatures range from a minimum of 26°C (78°F) to a maximum of 31°C (87°F), with an average of 28°C (83°F). The month experiences higher precipitation, totaling 241 mm (9.5 in) over 29 days. In contrast, September sees slightly cooler temperatures, ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 27°C (81°F). Rainfall is also lower at 227 mm (8.9 in) over 26 days. Both months maintain a high humidity level of 82%, making them quite humid. For more detailed information, check out Negombo weather in September.

June and October exhibit similar temperature ranges, with June showing a slight edge with highs reaching 31°C (87°F) compared to October's maximum of 30°C (87°F). Both months maintain high humidity levels around 81-82%, contributing to a muggy atmosphere. However, October experiences significantly more rainfall, with a total of 330 mm (13.0 in) over 29 days, compared to June’s 241 mm (9.5 in) across the same number of days. For a more detailed look at October weather, you can check Negombo weather in October.

June and November present distinct yet somewhat similar weather patterns. In June, temperatures range from a minimum of 26°C (78°F) to a maximum of 31°C (87°F), with an average of 28°C (83°F). This month experiences significant rainfall, totaling 241 mm (9.5 in) over 29 days, and a high humidity level of 82%.

Conversely, November sees slightly cooler nights with a minimum of 24°C (76°F) and maintains a similar maximum temperature of 31°C (88°F), averaging around 27°C (81°F). Precipitation increases to 307 mm (12.1 in), albeit over fewer days—24 in total—resulting in a humidity level of 80%. For more detailed insights on November conditions, you can refer to Negombo weather in November.

In comparing the weather between June and December, June is characterized by warmer temperatures, with average highs reaching 31°C (87°F) and frequent rainfall, totaling 241 mm (9.5 in) across 29 days, resulting in a high humidity level of 82%. Conversely, December sees slightly cooler temperatures, with an average high of 31°C (89°F) but a lower average at 27°C (81°F). Rainfall in December is also significantly less, at 146 mm (5.8 in) over just 15 days, accompanied by a humidity level of 80%. For more details on December's weather, visit Negombo weather in December.

Compare Negombo's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Negombo

In June, Negombo experiences a unique blend of warm temperatures and high humidity, distinguishing it from other months. While the mercury rises to an appealing average of 28°C, the real story unfolds with the substantial rainfall, recording 241 mm over nearly every day of the month. This combination creates a lush, green landscape, but also means visitors should be prepared for frequent showers. Despite the wet conditions, the warmth continues to invite travelers, offering a chance to experience the vibrant charm of this coastal gem. For a detailed look at how the weather evolves throughout the year, explore the Negombo Climate.