Last updated: March 19, 2025
In July, Jaffna, Sri Lanka experiences warm temperatures, with a maximum reaching up to 31°C (89°F) and an average of 29°C (84°F), while the minimum drops to around 26°C (79°F). This warm climate is accompanied by a notable humidity level of 83%, contributing to a muggy atmosphere. The month sees a total precipitation of 62 mm (2.4 in) spread over 13 days, making it a relatively wet period for the region. As the rains nourish the landscape, July presents a unique blend of warmth and moisture, shaping the local environment and weather patterns.
In July, Jaffna, Sri Lanka, experiences warm and consistent temperatures that reflect the region's tropical climate. With a minimum of 26°C (79°F) and a maximum touching 31°C (89°F), the averages hover around 29°C (84°F), making it one of the warmer months of the year. This trend is in line with the preceding months, where temperatures gradually rise, peaking in the early summer. The relative stability in temperatures from June to July indicates a tropical environment that is both inviting and vibrant, perfect for exploring the unique culture and scenic beauty of Jaffna. As the humid air blankets the region, residents and visitors alike can enjoy the hot yet enjoyable atmosphere that defines the height of summer in this picturesque Northern Sri Lankan city.
In July, Jaffna experiences a notable increase in precipitation, accumulating 62 mm (2.4 in) over 13 rain-soaked days. This marks a significant shift from the drier months of earlier in the year, particularly following the minimal 17 mm (0.7 in) in February. The rainfall heralds the onset of the monsoon season, providing a much-needed respite from the warmer, drier months of mid-year. Following July, precipitation continues to climb, peaking in October with an impressive 220 mm (8.7 in), underscoring a trend where the region transitions into its wettest period. As the year progresses, the increasing precipitation not only refreshes the landscape but also sustains the local ecosystem, highlighting the crucial role of these summer rains in Jaffna's climate pattern.
In July, Jaffna, Sri Lanka experiences high humidity levels, peaking at 83%. This marks a gradual rise from the drier months of January to April, where humidity sits at a more comfortable 69%. As the region transitions into the warmer months, humidity begins to climb, hitting 76% in May and escalating further in June. The pattern continues into August, where humidity peaks even higher at 87%, indicating a trend of increasing moisture that characterizes the latter half of the year. Interestingly, the high humidity levels from July through November suggest a consistent tropical climate, providing rich conditions for the lush landscapes of Jaffna, but also highlighting the need for residents to adapt to the mugginess typical of this season.
In July, Jaffna, Sri Lanka, experiences a UV Index of 13, maintaining the intense extreme exposure category seen throughout the summer months. This marks a slight dip from the peak of 15 noted in April, yet keeps the burn time at just 10 minutes, warning locals and visitors alike to take immediate precautions against harmful UV rays. Interestingly, July aligns with both June and August in terms of UV levels, suggesting a consistent pattern of high UV exposure during this period. With exposure remaining critical throughout many months of the year, it's vital to stay informed and protected; for more insight, visit Jaffna UV Index.
UV Risk Categories
In Jaffna, Sri Lanka, the month of July continues the region's splendid tradition of abundant sunshine, with an impressive 343 hours of sunlight. This peak occurs in the midst of a summer that shows a consistent pattern of brightness, as the preceding months from March through June all boast high sunshine totals, predominantly in the 340s. Following July, the sunshine remains generous into August, though it experiences a slight decline. This gentle ebb toward the end of summer hints at the cyclical nature of Jaffna's climate, where the sun plays a key role in shaping the experience of local life, especially during these warm and vibrant months.
In Jaffna, Sri Lanka, the likelihood of enjoying sunny weather in July is relatively low, with only a 24% chance of sunshine during this month. This is part of a notable downward trend from the sunnier days of earlier months; for instance, April and March boast sunshine probabilities of 61% and 60%, respectively. As the dry season transitions into the monsoon, the chances of clear skies diminish significantly, continuing a pattern that peaks in February at 56% but ultimately gives way to cloudier days in the second half of the year, particularly August, which plummets to just 10%. Thus, visitors to Jaffna in July should prepare for a mix of sun and clouds, with the ambiance leaning towards the latter as the month unfolds.
In Jaffna, Sri Lanka, the behavior of daylight duration reveals a fascinating rhythm throughout the year. January and February offer a consistent 11 hours of daylight, setting a stable base as the year begins. As spring approaches in March, daylight increases to 12 hours, a trend that comfortably settles in through June, creating a prolonged experience of natural light. July to September maintain this 12-hour mark, promoting a sense of continuity ideal for outdoor activities and vibrant festivities. However, as October rolls around, daylight begins to taper off, returning to 11 hours by November and December. This cyclical pattern not only influences daily life but also enriches Jaffna's lush landscape, inviting residents and visitors alike to savor the varied beauty of each season.
In July, the winds in Jaffna, Sri Lanka, are typically brisk, with an average speed of 6.8 m/s (15 mph), marking a slight dip from the June peak of 7.3 m/s (16 mph). This month continues a trend of increased wind activity that began in May, when speeds surged to 6.5 m/s (15 mph). Following this pattern, July's winds are stronger than those in the earlier months of the year, notably April's 4.9 m/s (11 mph) and March's 4.6 m/s (10 mph), contributing to a refreshing coastal ambiance. As summer progresses, the winds remain steady, suggesting that visitors can enjoy not only the warm weather but also the invigorating breezes typical of this vibrant region.
The weather in Jaffna 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 Jaffna and find detailed weather information for every month.
When comparing the weather in July and January, both months experience warm temperatures, but there are some notable differences. July has a slightly higher average temperature, peaking at 31°C (89°F), while January's maximum reaches 29°C (84°F). Although January is milder, it has a higher humidity level of 76% compared to July's 83%. Additionally, January receives more precipitation overall, totaling 96 mm (3.8 in) over just 8 days of rain, whereas July sees 62 mm (2.4 in) spread out over 13 days. For more details on January's climate, you can check Jaffna weather in January.
In Jaffna, the weather in July is notably warmer and more humid compared to February. July boasts minimum temperatures around 26°C (79°F) and averages reaching 29°C (84°F), peaking at 31°C (89°F), while the humidity remains high at 83%. Additionally, July experiences more precipitation, with about 62 mm (2.4 in) falling over 13 days. In contrast, February offers a more temperate climate, with minimums of 23°C (74°F) and an average of 26°C (80°F), maxing out at 30°C (86°F). The month is significantly drier, receiving only 17 mm (0.7 in) of rain over just 4 days, and with lower humidity at 69%. For more detailed insights about February weather, you can visit Jaffna weather in February.
In comparing the weather between July and March, both months experience high temperatures, with averages around 29°C (84°F) in July and 28°C (82°F) in March. However, July tends to be more humid with an average of 83%, alongside significantly higher precipitation at 62 mm (2.4 in) over 13 days, compared to March's 18 mm (0.7 in) over just 5 days. This makes March a drier and more comfortable month with lower humidity levels of 69%. For more detailed insights, you can check Jaffna weather in March.
In comparing the weather between April and July, we see that both months have similar average temperatures, with July averaging 29°C (84°F) and April slightly higher at 29°C (85°F). However, July tends to be more humid, with humidity levels reaching 83% compared to April's 69%. Precipitation is also notable, as July experiences more rainfall, with 62 mm over 13 days, while April has just 29 mm over 6 days. For a more detailed look at April weather conditions, you can check Jaffna weather in April.
When comparing the weather in July and May, both months exhibit similar average temperatures, with July featuring a minimum of 26°C (79°F) and an average of 29°C (84°F), while May has a slightly higher minimum of 27°C (80°F) and an average of 29°C (85°F). Notably, July experiences a maximum temperature of 31°C (89°F), closely aligned with May's maximum of 32°C (90°F). In terms of precipitation, July receives 62 mm (2.4 in) over 13 days, slightly more than May's 56 mm (2.2 in) over the same number of days. Humidity levels are also higher in July at 83%, compared to May's 76%. For more detailed insights, you can visit Jaffna weather in May.
In comparing the weather between June and July, both months exhibited similar temperature ranges, with minimums around 26°C (79°F), averages near 29°C (84°F), and maximums reaching up to 31°C (89°F) in July. However, July experienced more rainfall, accumulating 62 mm (2.4 in) over 13 days, while June had only 32 mm (1.3 in) of precipitation across 7 days. Additionally, humidity levels were slightly higher in July at 83%, compared to June's 82%. For a more detailed look at June weather specifics, you can refer to this link: Jaffna weather in June.
In comparing the weather between July and August, both months maintain a warm climate, with July registering an average temperature of 29°C (84°F) and August slightly cooler at 28°C (84°F). Minimum temperatures remain consistent at 26°C (79°F) for both months, while maximum temperatures are nearly identical, peaking at 31°C (89°F) in July and 31°C (88°F) in August. Precipitation levels show a minimal increase from 62 mm (2.4 in) in July to 65 mm (2.5 in) in August, with both months experiencing rainfall on 13 days. However, humidity rises slightly in August to 87%, compared to 83% in July, contributing to a more humid feeling as summer progresses. For more details, you can check Jaffna weather in August.
In July, temperatures in Jaffna range from a minimum of 26°C (79°F) to a maximum of 31°C (89°F), with an average of 29°C (84°F). This month experiences around 62 mm (2.4 in) of precipitation over 13 days and maintains a relatively high humidity level of 83%. In contrast, September shows a slight decrease in minimum temperature (25°C or 78°F) but keeps the maximum at a similar 31°C (88°F), with an average of 28°C (83°F). However, rainfall increases significantly to 100 mm (3.9 in) over 17 days, accompanied by an increase in humidity, reaching 86%. For more details on September weather, you can visit Jaffna weather in September.
In comparing the weather between July and October, July typically enjoys slightly warmer temperatures, with an average of 29°C (84°F) and maximums reaching 31°C (89°F). However, October presents a more humid environment, with average temperatures around 28°C (82°F) and maxes at 30°C (86°F). Notably, October experiences significantly higher rainfall, with 220 mm (8.7 in) over 23 days compared to July's 62 mm (2.4 in) over 13 days. The humidity also climbs, peaking at 86% in October. For a detailed look at October weather in Jaffna, you can explore Jaffna weather in October.
July and November in Jaffna display distinct weather patterns. July experiences warm temperatures with a minimum of 26°C (79°F) and an average of 29°C (84°F), though it sees relatively less precipitation at 62 mm (2.4 in) over 13 rainy days, coupled with a high humidity of 83%. In contrast, November offers slightly cooler temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), but it is significantly wetter, receiving 396 mm (15.6 in) of rainfall over 24 days, accompanied by an increase in humidity to 86%. For more detailed insights, you can check Jaffna weather in November.
In comparing the weather between July and December, July features slightly warmer temperatures with a minimum of 26°C (79°F) and an average of 29°C (84°F), while December has a more moderate average temperature of 26°C (80°F) and a maximum of 29°C (84°F). However, December experiences significantly higher precipitation at 254 mm (10.0 in) over 18 days, compared to July's 62 mm (2.4 in) spread across 13 days. Both months have high humidity levels, with July at 83% and December slightly higher at 85%. For more detailed insights on December weather, you can refer to Jaffna weather in December.
As July envelops Jaffna, temperatures remain consistently warm, creating a tropical ambiance that differs from the cooler months. While the average temperature hovers pleasantly around 29°C, the increased humidity at 83% combined with frequent rainfall—totaling 62 mm across 13 days—adds a unique layer of lushness to the landscape. This contrasts sharply with the drier and hotter months, offering a refreshing respite for both residents and visitors. For a deeper dive into how Jaffna’s weather evolves throughout the year, explore Jaffna Climate.