Last updated: August 21, 2025
In Haikou, China, the weather in July showcases a tropical climate, characterized by a maximum temperature reaching up to 35°C (95°F) and an average of 29°C (84°F). The month typically experiences minimum temperatures around 25°C (78°F), creating a warm and humid atmosphere with humidity levels hovering at 84%. Rain is also a common feature, with approximately 83 mm (3.3 in) of precipitation falling over about 13 days. This combination of heat and moisture makes July a dynamic month in Haikou, perfect for those who enjoy the vibrant summer conditions of a coastal city.
In July, Haikou, China, experiences its peak warmth, with temperatures reaching a sweltering maximum of 35°C (95°F). The month begins with a minimum temperature of 25°C (78°F), creating a warm, tropical atmosphere. With an average temperature of 29°C (84°F), July stands out as one of the hottest months of the year, seamlessly transitioning from the warm, but milder temperatures of earlier months. This significant rise in temperature highlights the summer season's gravitational pull, encouraging outdoor activities and beach visits, all while reminding residents and visitors alike to stay hydrated and seek shade during the hottest parts of the day. As the tropical warmth envelopes the city, July captures the essence of summer in Haikou, each day inviting a new opportunity for exploration and relaxation.
In July, Haikou experiences a noticeable dip in precipitation compared to the preceding month, receiving 83 mm (3.3 in) of rainfall over approximately 13 days. This marks a significant decrease from June's 269 mm (10.6 in), which often inundates the city with rain. However, July's weather remains dynamic as it transitions into the peak of the wet season, setting the stage for the heavy downpours that August typically brings, with an expected 260 mm (10.2 in). This pattern highlights the fluctuating nature of Haikou's climate, where rainfall can soar dramatically from one month to the next, ensuring that the city remains lush yet occasionally drenched during the summer months.
In July, Haikou experiences a humidity level of 84%, marking a peak in the summer months. This is part of a noticeable upward trend from the 73% recorded in January and February, which then escalates to the highest humidity in May at 85%. Although July's level is slightly lower than May’s, it remains significantly high, contributing to the tropical feel of the region. Following July, humidity begins to taper off in August at 82%, before dropping to 70% by September. Such fluctuations illustrate Haikou’s humid subtropical climate, where the summer months are consistently marked by elevated moisture levels, creating an environment that's both lush and warm.
In July, Haikou experiences a notably high UV Index of 13, categorizing it within the extreme exposure range, indicating that residents and visitors alike should exercise caution when outdoors. This month, along with June and August, showcases a peak period where the burn time is as short as 10 minutes—a stark contrast to the milder winters of January and December, where the UV Index drops to 7 and 6 respectively. The trend indicates that as the year progresses from January to July, the intensity of UV radiation escalates dramatically, peaking mid-summer before tapering off in the fall. Therefore, proper sun protection is crucial during these summer months. For more detailed information, visit Haikou UV Index.
UV Risk Categories
In July, Haikou basks in its peak sunlight, boasting an impressive 331 hours of radiant sunshine—more than any other month of the year. This burst of sunlight marks a vibrant transition from the more moderate hours of spring, where sunshine steadily climbed from 188 hours in January to 297 hours in May. Following July, the city sees a slight decline in sunshine hours, settling at 312 hours in August and tapering down through the autumn months. The trend is clear: as summer unfolds, Haikou becomes a sun-drenched paradise, perfect for soaking up the warmth before the cooler seasons kick in.
In July, the likelihood of experiencing sunny weather in Haikou, China, rests at a modest 27%. This marks a slight improvement from the preceding months of June and May, where the chances dip as low as 5% and 15%, respectively. Interestingly, while July is not among the sunniest months, it does offer a stark contrast to the early months of the year, such as January and February, which enjoy sunny probabilities over 50%. Following July, August sees a further decrease to 22%, hinting at a trend of fluctuating sunshine as the year progresses through the hot summer months, promising a unique mix of sun and clouds for those vacationing in Haikou.
In Haikou, China, the daylight duration showcases a distinct pattern throughout the year, reflecting the shift in seasons. Starting from 10 hours in January, daylight gradually increases to a peak of 13 hours in both May and July, indicating the height of summer. This ample daylight allows for vibrant outdoor activities and exploration during the warmest months. Following the summer, daylight begins to taper off, returning to 12 hours in August and declining steadily until reaching 10 hours again by December. The smooth transition in daylight hours underscores the region's tropical climate, making Haikou a delightful destination for sun-seekers and nature lovers alike.
In July, Haikou experiences a mild increase in wind speed, averaging 4.7 m/s (10 mph), a slight uptick from the preceding months. This gentle breeze offers a refreshing contrast to the summer heat, as wind speeds in the early summer months often fluctuate around the 4 m/s mark. Notably, July’s winds are stronger than both May and June but still fall short of the more blustery conditions seen in October. As the year progresses, one can observe that the wind in Haikou tends to pick up post-summer, with October boasting the highest average speed of 6.5 m/s (14 mph). Thus, while July offers a pleasant and temperate coastal breeze, it hints at the approaching seasonal transitions that follow.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in July and January presents a striking contrast, with July being notably warmer and more humid. In July, temperatures range from a minimum of 25°C (78°F) to a maximum of 35°C (95°F), with an average temperature of 29°C (84°F). The month also experiences significant humidity at 84% and about 83 mm (3.3 inches) of precipitation over 13 days. In contrast, January features much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (76°F), while the average temperature is only 12°C (55°F). Precipitation is lower in January, totaling 45 mm (1.8 inches) over just 6 days, and humidity is comparatively lower at 73%. For more detailed insights on January weather, visit Haikou weather in January.
When comparing the weather in July and February, it’s clear that July experiences much warmer temperatures, with minimums around 25°C (78°F) and maximums reaching up to 35°C (95°F). In contrast, February sees cooler temperatures, ranging from a low of 4°C (40°F) to a high of 24°C (76°F), making it significantly chillier. Additionally, July has a higher average humidity at 84% and more precipitation, with rainfall occurring on 13 days, totaling 83 mm (3.3 in). February, while still wet, has less rain—70 mm (2.8 in) over 9 days—and lower humidity at 73%. For a detailed look at February’s weather, you can check out Haikou weather in February.
When comparing the weather between July and March, the differences are striking. July experiences much warmer temperatures, with an average of 29°C (84°F) and highs reaching up to 35°C (95°F), while March has a significantly cooler average of 15°C (60°F) peaking at 26°C (80°F). Additionally, July is characterized by higher humidity levels at 84%, compared to March's 80%. Precipitation in March is greater, totaling 123 mm (4.8 in) over 14 days, while July has 83 mm (3.3 in) spread across 13 days. For more details, you can check Haikou weather in March.
Comparing the weather in July and April reveals distinct differences in temperature and humidity. July experiences significantly warmer temperatures, with a minimum of 25°C (78°F) and an average of 29°C (84°F), reaching highs of 35°C (95°F). In contrast, April has a cooler climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 29°C (84°F) and an average of 19°C (66°F). Precipitation is fairly similar in both months, with July receiving 83 mm (3.3 in) over 13 days and April seeing 88 mm (3.5 in) over 11 days. Humidity is higher in July at 84%, compared to 81% in April, making July feel more oppressive. For a closer look at the weather specifics for April, visit Haikou weather in April.
In comparison to May, July experiences significantly warmer temperatures, with an average of 29°C (84°F) compared to May's average of 23°C (74°F). While both months have high humidity levels, July's humidity is slightly lower at 84% compared to May's 85%. Precipitation is also reduced in July, with 83 mm (3.3 in) falling on 13 days, whereas May sees 155 mm (6.1 in) across 15 days, making May wetter overall. For more detailed information on May weather, check Haikou weather in May.
The weather in July is generally warmer and drier compared to June. In July, temperatures range from a minimum of 25°C (78°F) to a maximum of 35°C (95°F), with an average of 29°C (84°F). This contrasts with June, where temperatures range from 20°C (69°F) to 33°C (92°F), with an average of 27°C (80°F). Precipitation also decreases significantly in July, with only 83 mm (3.3 in) recorded over 13 days, compared to June's 269 mm (10.6 in) over 18 days. However, July has a slightly higher humidity level at 84%, while June sits at 81%. For more detailed information about June's weather, visit Haikou weather in June.
In comparing the weather patterns of July and August, both months experience similar temperature ranges, with minimums around 25°C (78°F) and maximums peaking at 35°C (95°F). However, August tends to be significantly wetter, receiving 260 mm (10.2 in) of precipitation over 20 days, compared to July's 83 mm (3.3 in) across 13 days. Additionally, while humidity levels remain relatively high in both months, August shows slightly lower humidity at 82% compared to July’s 84%. For more detailed insights, you can explore Haikou weather in August.
In comparing the weather between July and September, July tends to be warmer with average temperatures around 29°C (84°F) and maximums reaching up to 35°C (95°F). It also experiences high humidity levels at 84% and significant rainfall, with around 83 mm (3.3 in) across 13 days. In contrast, September sees slightly cooler temperatures with an average of 27°C (81°F) and a minimum of 20°C (68°F). However, it has even more precipitation, totaling 105 mm (4.1 in) over 15 days, combined with lower humidity at 70%. For more detailed insights, you can check Haikou weather in September.
In July, the weather is significantly warmer with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 35°C (95°F), and an average temperature of 29°C (84°F). The month also experiences high humidity at 84% and receives approximately 83 mm (3.3 in) of precipitation over 13 days. In contrast, October sees a notable drop in temperatures, with a minimum of 16°C (60°F) and an average of 23°C (74°F), peaking at 33°C (92°F). The humidity decreases to 73%, and precipitation is slightly lower at 71 mm (2.8 in) over 12 days. For more details on the October weather, you can check Haikou weather in October.
In July, the weather is characterized by its warmth and humidity, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 35°C (95°F) and an average of 29°C (84°F). It also experiences higher precipitation levels, with 83 mm (3.3 in) falling over 13 days, and humidity reaching a significant 84%.
In contrast, November brings much cooler temperatures, with a minimum of 11°C (53°F), an average of 19°C (67°F), and a maximum of 28°C (83°F). The month sees lower precipitation at 65 mm (2.6 in) across 10 days and a reduced humidity of 77%. These differences highlight the stark transition from the hot, humid days of summer in July to the milder, drier conditions of November. For more details, check out this Haikou weather in November.
In July, the weather is warm and humid, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 35°C (95°F) and an average of 29°C (84°F). The month also sees substantial rainfall, with 83 mm (3.3 in) of precipitation over approximately 13 days. In contrast, December brings cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (77°F), and an average of 14°C (58°F). Precipitation is less frequent in December, totaling 49 mm (1.9 in) across about 9 days, and humidity is slightly reduced at 79%. For more detailed insights, you can check Haikou weather in December.
July in Haikou stands out with its hot and humid conditions, notably warmer than the preceding months. The average temperatures reach a steamy 29°C, peaking at 35°C, making it a prime time for those who enjoy the heat. However, this month also experiences significant precipitation, with rain falling on about half the days, leading to a sultry atmosphere characterized by humidity levels around 84%. The combination of warmth and moisture creates a unique tropical feel in July, distinguishing it from the dryer and cooler months of the year. For more insights into the climate patterns of Haikou, check out Haikou Climate.