July Weather in Polonnaruwa, Sri Lanka

Last updated: March 19, 2025

In Polonnaruwa, Sri Lanka, July brings a warm climate with maximum temperatures reaching 39°C (102°F) and an average of 30°C (86°F), creating an inviting atmosphere for exploration. Visitors can expect somewhat cooler nights, with minimum temperatures around 24°C (76°F). The month also sees a total precipitation of 39 mm (1.5 in) over approximately 7 days, contributing to a humid environment with an average humidity level of 81%. This combination of warmth and moisture characterizes July, making it essential for travelers to stay hydrated and prepare for occasional rain showers while enjoying the historical treasures of this ancient city.

July Temperature in Polonnaruwa

In July, Polonnaruwa, Sri Lanka, experiences a warm and humid climate characterized by a minimum temperature of 24°C (76°F) and an average of 30°C (86°F). The maximum temperatures can soar up to 39°C (102°F), continuing the trend of high heat that peaks in the preceding months of May and June. As the region shifts into late summer, the overall temperature remains consistent, providing a remarkably stable climate. This month’s slight drop in nighttime lows compared to June indicates a gradual transition, allowing for tropical evenings that invite exploration of the historical treasures that Polonnaruwa has to offer. Expect warm days and balmy nights, making July a lively time to visit this ancient city.

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

The chart illustrates July temperature patterns in Polonnaruwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec777881848586868584827978
Data source: Temperature data for Polonnaruwa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Polonnaruwa

In July, Polonnaruwa experiences a modest precipitation total of 39 mm (1.5 in), which falls amidst a backdrop of fluctuating weather patterns throughout the year. This month sees about 7 days of rain, striking a balance between the desiccated June and the more rain-soaked months that follow. Compared to the heavier downpours typical of October and November, where rainfall can exceed 200 mm, July serves as a brief pause in the intensifying monsoon season. Notably, this period also marks a shift from the comparatively dry June—where only 17 mm of rain was recorded—to the returning moisture, laying the groundwork for the lush landscapes that characterize this region in the latter half of the year.

July Precipitation Trends in Polonnaruwa

The chart displays monthly precipitation patterns in Polonnaruwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9245546311517392978237287185
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Polonnaruwa

In July, Polonnaruwa experiences an average humidity level of 81%, continuing the trend of elevated moisture that peaks in the surrounding months. After a particularly humid June at 85%, July's humidity slightly relaxes but remains notably high, setting the stage for the monsoon season. This trend emphasizes a distinct pattern, where humidity levels are consistently elevated from May through October, often exceeding 80%. Such conditions create a lush, vibrant environment, characteristic of this historic region. As the year progresses into August, humidity rises again, underscoring Polonnaruwa’s tropical climate that delights in both warmth and wetness.

July Average Humidity in Polonnaruwa

This chart illustrates the average monthly humidity levels in Polonnaruwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Polonnaruwa

In July, Polonnaruwa, Sri Lanka experiences a UV Index of 13, maintaining its status in the extreme exposure category with a burn time of just 10 minutes. This places it in line with the preceding months, from January to June, which all exhibited similarly high UV levels, peaking in March at 15. Following July, the UV Index slightly increases again in August before stabilizing through to November. The consistency of these extreme UV levels underscores the importance of sun safety measures year-round. For more information on Polonnaruwa's UV Index trends, visit Polonnaruwa UV Index.

Maximum UV Index Levels in Polonnaruwa for July

The chart shows the monthly maximum UV Index (UVI) for Polonnaruwa 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.
JanFebMarAprMayJunJulAugSepOctNovDec121315141413131414131210
Data source: Polonnaruwa 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 Polonnaruwa

July in Polonnaruwa, Sri Lanka, shines brightly with 343 hours of sunshine, making it one of the sunniest months of the year. Following closely behind, June and August also bask in ample sunlight with 337 and 338 hours, respectively, highlighting a delightful stretch of sunny weather during the mid-year. The trend of increasing sunshine hours from January’s 260 hours to July reflects a gradual transition into the sun-drenched summer months, peaking in mid-year and creating perfect conditions for exploration and outdoor adventures in this historic city. As the year progresses, sunshine hours begin to taper off, with November bringing just 270 hours, yet the lingering warmth of July sets the stage for vivacious travel and vibrant experiences.

Monthly Sunshine Duration in Polonnaruwa: July Highlighted

The July sunshine duration represents the total number of hours Polonnaruwa 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h307h340h337h331h337h343h338h317h308h270h298h
Data source: Polonnaruwa July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Polonnaruwa During July

In Polonnaruwa, Sri Lanka, the likelihood of sunny weather in July is relatively low, with only a 19% chance of clear skies. This trend reflects a notable dip in sunshine compared to the preceding months; for instance, April enjoys a more promising 51% chance of sun, while June provides a slightly better 27%. As the year progresses, the likelihood of sun tends to fluctuate, peaking in February and March at 40%, before tapering off into the monsoon-heavy months of August and September. Overall, July's weather aligns with the region's wet season, where brief showers are common, making it one of the less favorable months for sunshine seekers.

Percentage of Sunny Days in July in Polonnaruwa

The chart illustrates the percentage of sunny days in Polonnaruwa 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 Polonnaruwa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%40%40%51%21%27%19%9%20%17%15%44%
Data source: Polonnaruwa July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Polonnaruwa in July

In Polonnaruwa, Sri Lanka, July enjoys a consistent 12 hours of daylight, a reflection of the region's stable photoperiod throughout the mid-year months. This continuity begins in March and extends through August, showcasing a perfect blend of day length that supports both vibrant ecosystems and bustling agricultural activities. As the year progresses, daylight gradually diminishes in late fall and winter months, with October to December each experiencing 11 hours of light. This rhythm of daylight not only influences daily life in Polonnaruwa but also highlights the region's unique climate patterns, making it a fascinating place to observe the gentle ebb and flow of nature.

Average Daylight Hours in Polonnaruwa for July

The chart illustrates the variation in daylight duration in Polonnaruwa throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 42m11h 51m12h 4m12h 17m12h 28m12h 33m12h 31m12h 21m12h 8m11h 55m11h 44m11h 39m
Data source: Polonnaruwa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Polonnaruwa

In Polonnaruwa, Sri Lanka, July marks a peak in the winds, with average speeds reaching 5.1 m/s (11 mph). This slight increase from the preceding month of June, which recorded 5.0 m/s, reflects a trend of growing windiness as the monsoon season approaches. Following a gradual rise from a calm start in January, where winds barely breeze at 1.9 m/s, the wind speeds gradually escalate, making July one of the windiest months of the year. Interestingly, this is mirrored in August, hinting at a consistent pattern of robust breezes that continue into late summer. As the winds begin to taper off in September, Polonnaruwa showcases its dynamic climate, where the breezy July days invite both adventure and refreshment amidst the ancient ruins.

Average July Wind Speed in Polonnaruwa

The chart displays monthly wind speed patterns in Polonnaruwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.11.91.83.45.05.1 m/s4.94.73.22.51.8
Data source: Polonnaruwa July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Polonnaruwa Compares to Other Months

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

In comparing the weather of July and January, July is characterized by warmer temperatures, with average highs around 30°C (86°F) and peaks reaching up to 39°C (102°F). In contrast, January offers milder conditions, with average highs of 25°C (77°F) and maximum temperatures of 32°C (89°F). July experiences less precipitation, totaling 39 mm (1.5 in) over about 7 days, while January sees significantly more rain at 92 mm (3.6 in) across 12 days. Both months maintain high humidity levels, with July at 81% and January slightly lower at 80%. For a more detailed look at January conditions, you can visit Polonnaruwa weather in January.

July and February present contrasting weather patterns, showcasing the unique characteristics of each month. In July, temperatures average around 30°C (86°F), with maximums reaching up to 39°C (102°F), accompanied by a higher humidity level of 81%. The month sees a total precipitation of 39 mm (1.5 in) over about 7 days, indicating occasional rain amidst the heat. In contrast, February offers milder conditions, with average temperatures around 26°C (78°F) and maximums peaking at 34°C (93°F). Precipitation in February is slightly higher at 45 mm (1.8 in), spread over more days, totaling 12 days of rain. For more detailed insights, you can explore Polonnaruwa weather in February.

In comparing the weather between July and March, July presents a hotter climate with average temperatures around 30°C (86°F) and peaks reaching up to 39°C (102°F). This month experiences significant humidity at 81% and receives about 39 mm (1.5 in) of precipitation over 7 days. In contrast, March is milder, with an average of 27°C (81°F) and maximum temperatures of 36°C (97°F). While it has slightly higher rainfall at 54 mm (2.1 in) and more rainy days at 10, the humidity is lower at 69%. For more details on the weather specifics, you can check Polonnaruwa weather in March.

In comparing the weather between April and July, it's evident that both months exhibit warm temperatures, but with some notable differences. July tends to have slightly higher minimum and average temperatures, with a minimum of 24°C (76°F) and an average of 30°C (86°F), while April's values are a bit lower at 20°C (68°F) and 29°C (84°F) respectively. However, April experiences more precipitation, totaling 63 mm (2.5 in) over 10 days, compared to July's 39 mm (1.5 in) over just 7 days. Additionally, the humidity is notably higher in July at 81%, compared to April's 69%. For those interested in exploring more about April's climate, you can find additional details here: Polonnaruwa weather in April.

In comparing the weather of July and May in Polonnaruwa, we notice that both months experience similar maximum temperatures, reaching up to 39°C (102°F). However, July is slightly warmer overall, with an average temperature of 30°C (86°F) compared to May's 29°C (85°F). While July sees a lower total precipitation of 39 mm (1.5 in) over 7 days, May is significantly wetter, with 115 mm (4.5 in) across 13 days. Additionally, humidity levels are slightly higher in July at 81%, compared to May's 79%. For more detailed information, you can check Polonnaruwa weather in May.

In comparing the weather of June and July, we see some notable differences. While both months have similar average temperatures around 30°C (86°F), July experiences slightly higher maximum temperatures, reaching up to 39°C (102°F) compared to June's 38°C (101°F). Additionally, July is marked by increased precipitation, with 39 mm (1.5 in) falling over 7 days, whereas June only sees 17 mm (0.7 in) over 3 days. Humidity levels are relatively high in both months, though July has a slightly lower average at 81% compared to June's 85%. For more detailed information on June weather, check out Polonnaruwa weather in June.

In comparing the weather between July and August, both months experience similar high temperatures, with maximums reaching up to 39°C (102°F). However, July tends to be slightly warmer on average, with an average temperature of 30°C (86°F) compared to August's 29°C (85°F). Precipitation is another distinguishing factor, as July sees 39 mm (1.5 in) of rain over 7 days, while August has less rainfall at 29 mm (1.1 in) over just 6 days. Additionally, humidity levels increase slightly from July's 81% to August's 85%, contributing to a more muggy atmosphere. For further details, you can check the Polonnaruwa weather in August.

In comparing the weather between July and September, we can see some notable differences. July typically features a minimum temperature of 24°C (76°F) and an average high of 30°C (86°F), with a maximum reaching up to 39°C (102°F). Meanwhile, September experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and an average high of 29°C (84°F), while still peaking at 39°C (102°F). Precipitation in July totals 39 mm (1.5 in) over approximately 7 days, whereas September sees an increase in rainfall, accumulating 77 mm (3.1 in) across 11 days. Both months share the same humidity level of 81%. For more detailed insights on September's weather, you can visit Polonnaruwa weather in September.

In comparison to July, October experiences slightly cooler temperatures, with average highs reaching 38°C (100°F) as opposed to July's peak of 39°C (102°F). While both months have similar minimum temperatures, October's average temperature is a bit lower at 28°C (82°F) compared to July's 30°C (86°F). However, October sees a significant increase in rainfall, with precipitation rising sharply to 237 mm (9.3 in) over 20 days, compared to July's 39 mm (1.5 in) of rain over just 7 days. This results in a higher humidity level in October, reaching 89% compared to July's 81%. For more specifics on the weather, you can refer to Polonnaruwa weather in October.

In comparing the weather between July and November, July typically features warmer temperatures with a minimum of 24°C (76°F) and an average of 30°C (86°F), peaking at 39°C (102°F). In contrast, November experiences slightly cooler conditions, with minimum temperatures around 22°C (71°F) and an average of 26°C (80°F), while the maximum reaches 36°C (97°F). Additionally, July receives moderate precipitation, totaling 39 mm (1.5 in) over about 7 days, whereas November sees a significant increase in rainfall, with 287 mm (11.3 in) spread over 24 days. The humidity also rises in November, averaging 88% compared to July's 81%. For more detailed information about the weather in November, you can visit Polonnaruwa weather in November.

In July, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and an average high of 30°C (86°F), while still allowing for peaks up to 39°C (102°F). The month experiences moderate rainfall, totaling 39 mm (1.5 in) over about 7 days, accompanied by relatively high humidity at 81%.

In contrast, December brings cooler temperatures, with a minimum of 20°C (68°F) and an average high of 26°C (78°F), reaching a maximum of 33°C (91°F). However, it is significantly wetter, with precipitation of 185 mm (7.3 in) over 21 days, alongside a slightly higher humidity level at 86%.

For more detailed weather information, you can visit Polonnaruwa weather in December.

Compare Polonnaruwa's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Polonnaruwa

In July, Polonnaruwa experiences a unique blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around a comfortable 30°C, days can become quite hot, reaching up to 39°C, while the nights offer a mild respite at 24°C. This month also brings a moderate amount of rainfall, contributing to the 81% humidity, which can make the air feel heavier. Unlike the drier months, July's occasional showers, totaling around 39 mm over about seven days, refresh the landscape and provide a lush backdrop for exploring the ancient city’s wonders. For a deeper dive into the climatic patterns of this captivating region, visit Polonnaruwa Climate.