July Weather in Negombo, Sri Lanka

Last updated: March 19, 2025

July in Negombo, Sri Lanka is characterized by a warm and humid climate, ideal for tropical explorations. With average temperatures hovering around 28°C (82°F) and reaching up to a maximum of 30°C (86°F), the weather provides a delightful warmth for visitors. However, this month also brings a significant precipitation amount of 160 mm (6.3 in), occurring on approximately 25 days, making it one of the wetter months. The high humidity level of 82% adds to the tropical atmosphere, creating a lush environment perfect for enjoying the local scenery and vibrant culture.

July Temperature in Negombo

In July, the coastal town of Negombo, Sri Lanka experiences pleasantly warm temperatures, with minimums hovering around 25°C (77°F) and averages at a comfortable 28°C (82°F). The month's peak temperatures reach a gentle 30°C (86°F), providing a nice reprieve from the hotter months that precede it. As the rainy season approaches, July tends to showcase a slight dip in maximum temperatures compared to the sweltering heat of April and March, making it an appealing time for visitors seeking a blend of warmth and mild coastal breezes. The overall trend reflects a consistent tropical climate, characterized by comfortable days and cooler nights, perfect for exploring Negombo's stunning beaches and vibrant culture.

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

The chart illustrates July 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.

July Precipitation in Negombo

In July, Negombo, Sri Lanka experiences a notable shift in its precipitation pattern, receiving 160 mm (6.3 in) of rain over approximately 25 days. This mid-year surge follows a particularly wet May and June, where rainfall peaked at 281 mm (11.1 in) and 241 mm (9.5 in), respectively. The consistent rainfall in July not only highlights the region's monsoonal influence but also marks a slight decrease from the preceding months while maintaining a significant level of moisture. As the landscape continues to thrive under these humid conditions, the rainfall sets the stage for lush greenery that characterizes Sri Lanka’s vibrant ecology.

July Precipitation Trends in Negombo

The chart displays monthly precipitation patterns in Negombo, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec442594130281241160181227330307146
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Negombo

In July, Negombo, Sri Lanka experiences a notable humidity level of 82%, which aligns with the consistently high humidity seen in the preceding month of June. This peak in moisture is part of a broader trend, as the humidity levels tend to rise during the mid-year, peaking in the summer months of August and September at 83%. Throughout the year, humidity remains relatively stable, fluctuating between 73% and 83%, reflecting the tropical climate that defines this coastal region. As July falls within the rainy season, the elevated humidity not only adds to the sultry atmosphere but also contributes to the lush landscapes characteristic of Sri Lanka, making it a truly captivating destination.

July Average Humidity in Negombo

This chart illustrates the average monthly humidity levels in Negombo, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%74%74%76%82%82%83%82%81%80%80%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Negombo

In July, Negombo continues to experience an extreme UV Index of 13, consistent with the trend seen over the previous months. Though slightly lower than the peak of 15 in April, the burn time remains at a swift 10 minutes, urging both locals and visitors to be vigilant about sun protection. This pattern persists from January through June, where UV levels frequently hover between 12 and 15, ensuring that the sun’s intensity does not relent during the peak season. As we transition into August, the UV Index is projected to hold steady at 13, reinforcing the necessity for sun safety amidst the tropical climate. For more detailed insights into UV levels throughout the year, visit Negombo UV Index.

Maximum UV Index Levels in Negombo for July

The chart shows the monthly maximum UV Index (UVI) for Negombo in July, 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 July 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.

July Sunshine in Negombo

In Negombo, Sri Lanka, the month of July shines brightly with an impressive 333 hours of sunshine, contributing to a delightful summer experience. Interestingly, this month showcases a peak in sunshine hours within a dynamic trend, as it maintains a consistent high following June's 320 hours. As we move through the year, sunshine levels rise steadily from January's low of 270 hours to their peak in March at 336 hours, before gently fluctuating throughout the spring and summer months. This pattern reflects a warm and inviting climate, making July a prime time for visitors to bask in the tropical sun and enjoy the vibrant coastal atmosphere. As the warmth continues into August with 326 hours, the allure of Negombo remains irresistible for sun-seekers and travelers alike.

Monthly Sunshine Duration in Negombo: July Highlighted

The July sunshine duration represents the total number of hours Negombo experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec270h312h336h334h312h320h333h326h304h299h279h312h
Data source: Negombo July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Negombo During July

July in Negombo, Sri Lanka, presents a moderate challenge for sun-seekers, with a mere 16% chance of sunny weather. This trend of reduced sunshine is a part of a broader pattern characterized by a gradual decline in sunny days during the mid-year months. Following a modest peak in February (54%), the likelihood of enjoying bright, clear skies dwindles through the subsequent months. By July, many travelers may find themselves under overcast skies, making it wise to prepare for the possibility of rain, particularly as the region gears up for its wetter season. In contrast, those venturing to Negombo later in the year, especially in December, can look forward to an increase in sunshine, as the chance of sunny days rises significantly, offering a brighter escape.

Percentage of Sunny Days in July in Negombo

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

Daylight Hours in Negombo in July

In Negombo, Sri Lanka, July brings a delightful consistency in daylight, with an average of 12 hours of sunlight. This mid-year month fits seamlessly into a broader pattern; starting from March, the daylight duration stabilizes at this optimal level, continuing uninterrupted through August and September. The months preceding July see a gradual increase from 11 hours in January and February to the warm embrace of 12 hours, highlighting a charming transition into summer. As the year progresses, the daylight duration gently tapers off in October and November, returning to 11 hours as the island approaches the end of the year. This rhythmic fluctuation not only enhances the region's allure but also invites locals and visitors alike to savor the abundant sunshine that characterizes this tropical paradise.

Average Daylight Hours in Negombo for July

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

July Winds in Negombo

In July, Negombo, Sri Lanka, experiences a delightful uptick in wind activity, with an average speed of 5.9 m/s (13 mph), marking it as one of the breeziest months of the year. This invigorating wind sets the stage for outdoor adventures, enhancing the coastal charm that Negombo is renowned for. As the winds progressively increased from the earlier months, culminating in this peak, July's breeze nurtures a pleasant atmosphere that attracts both locals and tourists. Following this spirited month, the winds slightly taper off in August but remain robust at 5.6 m/s, ensuring that the allure of Negombo's coastline continues throughout the summer. The overall trend reflects a seasonal rhythm, with wind speeds particularly favorable during the mid-year months, making July an optimal time for engaging with the stunning surroundings of this lively coastal town.

Average July Wind Speed in Negombo

The chart displays monthly wind speed patterns in Negombo, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.12.53.34.55.45.9 m/s5.65.24.03.94.5
Data source: Negombo July wind data, generated using information from the Copernicus Climate Change Service.

How July 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 July'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 the weather in July and January, it's clear that July experiences higher humidity and significantly more rainfall. In July, temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 28°C (82°F) and about 160 mm (6.3 in) of rainfall over 25 days. On the other hand, January offers slightly milder temperatures, with a minimum of 22°C (72°F) and a maximum of 32°C (90°F), averaging 27°C (80°F) while bringing only 44 mm (1.7 in) of precipitation across just 5 days. Additionally, January has a somewhat lower humidity level at 77%. For more details about the climate, you can refer to Negombo weather in January.

In July, the weather in Negombo is typically warm and humid, with average temperatures hovering around 28°C (82°F) and a high of 30°C (86°F). However, it also experiences significant rainfall, totaling 160 mm (6.3 in) over approximately 25 days, leading to a humidity level of 82%. In contrast, February enjoys slightly cooler evenings with an average temperature of 27°C (82°F) and a maximum of 33°C (91°F). This month sees much less precipitation, with only 25 mm (1.0 in) over just 5 days and a lower humidity level of 73%. For more details on February's climate, you can check Negombo weather in February.

In comparing the weather between July and March, we observe several noteworthy differences. July experiences slightly lower temperatures, with an average of 28°C (82°F) and a maximum of 30°C (86°F), while March sees higher peaks with a max temperature of 33°C (92°F), despite having the same average of 28°C (83°F). Precipitation is more pronounced in July, which receives 160 mm (6.3 in) over 25 days, compared to March's 94 mm (3.7 in) over 17 days. Additionally, July's humidity stands at 82%, making it quite muggy, while March's humidity is lower at 74%, resulting in a relatively drier feel. For more detailed insights on March weather, you can check Negombo weather in March.

In comparison to April, July exhibits slightly milder temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (86°F), whereas April sees slightly higher maximum temperatures reaching 32°C (91°F). Both months experience similar average temperatures of around 28°C (82°F). However, July is characterized by higher humidity at 82%, compared to April’s more comfortable 74%. Precipitation is also notably higher in July, with 160 mm (6.3 in) over 25 days, compared to April’s 130 mm (5.1 in) over the same number of days. For a detailed look at April weather specifics, check out Negombo weather in April.

When comparing the weather in July and May, both months feature warm temperatures, with July's minimum at 25°C (77°F) and average at 28°C (82°F), while May has a slightly higher maximum of 31°C (88°F) and similar averages. However, May experiences significantly more rainfall, accumulating around 281 mm (11.1 in) over 29 days compared to July's 160 mm (6.3 in) over 25 days. Additionally, July exhibits higher humidity at 82%, whereas May's humidity is somewhat lower at 76%. For a more detailed look at the weather conditions during May, you can visit Negombo weather in May.

In comparing the weather of July and June, we see that both months have similar average temperatures, with July recording a minimum of 25°C (77°F) and a maximum of 30°C (86°F), while June has a slightly higher minimum of 26°C (78°F) and a maximum of 31°C (87°F). However, June experiences significantly more rainfall, accumulating 241 mm (9.5 in) over 29 days, compared to July's 160 mm (6.3 in) over 25 days. Both months share the same humidity level of 82%, indicating a consistent level of moisture in the air. For more details on June weather, you can visit Negombo weather in June.

July and August exhibit similar warm temperatures, with both months starting with a minimum of 25°C (77°F). However, July tends to be slightly warmer on average at 28°C (82°F) compared to August's average of 27°C (81°F). Maximum temperatures also differ slightly, with July reaching up to 30°C (86°F) while August peaks at 29°C (85°F). Precipitation increases in August, totaling 181 mm (7.1 in) over 27 days, compared to July’s 160 mm (6.3 in) over 25 days. Humidity remains high in both months, with August showing a marginal increase to 83% from July's 82%. For more details on August's climate specifics, you can refer to Negombo weather in August.

In July, the weather features a warm average temperature of 28°C (82°F) with maximums reaching up to 30°C (86°F). However, it experiences considerable precipitation, with 160 mm (6.3 in) over 25 days, resulting in high humidity levels of 82%.

By September, temperatures slightly decrease, with an average of 27°C (81°F) while still maintaining a similar maximum of 30°C (86°F). Precipitation increases to 227 mm (8.9 in) spread over 26 days, but humidity remains constant at 82%. This shift indicates a wetter month, making September noticeably rainier than July. For more detailed insights, check out Negombo weather in September.

In July, the weather features warm temperatures with a minimum of 25°C (77°F), averaging around 28°C (82°F) and peaking at 30°C (86°F). However, this month also experiences high precipitation, totaling 160 mm (6.3 in) over 25 days, coupled with humidity levels reaching 82%.

In contrast, October shows slightly higher average temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), but also features a maximum of 30°C (87°F). Rainfall significantly increases to 330 mm (13.0 in) over 29 days, resulting in a similar humidity level of 81%.

For more detailed information on October's weather, check out Negombo weather in October.

In comparing the weather between July and November, we see that both months have relatively warm temperatures, with July featuring a minimum of 25°C (77°F) and an average of 28°C (82°F), while November has slightly warmer conditions with a minimum of 24°C (76°F) and an average of 27°C (81°F). However, November tends to be wetter, experiencing 307 mm (12.1 in) of precipitation over 24 days, compared to July's 160 mm (6.3 in) over 25 days. Humidity levels are also quite similar, with July at 82% and November at 80%. For a deeper dive into November's climate specifics, visit Negombo weather in November.

In July, the weather in Negombo is characterized by slightly higher humidity at 82% and a greater average precipitation of 160 mm over 25 days, indicating a wetter month. Temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F). In contrast, December sees slightly lower humidity at 80% and less rainfall, with a total of 146 mm over 15 days. The temperatures during December also present a minor variation, with a minimum of 23°C (74°F) and a maximum of 31°C (89°F). For more details on December's weather, you can visit Negombo weather in December.

Compare Negombo's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Negombo

In July, the weather in Negombo presents a unique experience compared to other months, characterized by warm temperatures and high humidity levels. With an average temperature hovering around 28°C, the heat remains quite manageable, but be prepared for a significant amount of rainfall, totaling around 160 mm over approximately 25 days. This makes July one of the wetter months of the year, often shrouding the coastline in a lush, green aura, perfect for those who appreciate a tropical ambiance. For a deeper understanding of the weather patterns throughout the year, visit Negombo Climate.