July Weather in Haikou, China

Last updated: August 21, 2025

In July, Haikou, China, experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature can soar up to 36°C (97°F), while the average hovers around a pleasant 29°C (85°F), dipping to a minimum of 26°C (78°F) at night. This month also sees significant rainfall, with a total of 169 mm (6.6 in) falling over 18 days, creating a lush, vibrant environment. Visitors can expect an 87% humidity level, enhancing the moist atmosphere that defines Haikou's summer weather.

July Temperature in Haikou

In July, Haikou experiences its warmest weather of the year, with temperatures reflecting a tropical climate. The minimum temperature hovers around 26°C (78°F), ensuring a consistently balmy atmosphere, while the average temperature sits at a toasty 29°C (85°F). Daytime highs can soar to a maximum of 36°C (97°F), making hydration a necessity for those indulging in outdoor activities. This peak in temperature marks a clear trend from the milder conditions of earlier months, emphasizing Haikou's transition into the heart of summer, where the heat invites beach goers and sun seekers alike. With its warm and humid weather, July is a time for vibrant outdoor life, but it also hints at the approaching typhoon season, underscoring the dynamism of this tropical haven.

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

The chart illustrates July temperature patterns in Haikou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haikou, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec676773778285858482797569
Data source: Temperature data for Haikou 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 Haikou

In July, Haikou experiences a significant surge in precipitation, receiving 169 mm (6.6 in) of rain over 18 days. This marks a peak in the region’s wet season, illustrating a clear upward trend from the preceding months, where rainfall gradually escalated from 23 mm in January to 134 mm in June. The intense rainfall sets the stage for even heavier deluges in August, which averages 275 mm (10.8 in), highlighting July as a crucial transition point into the peak rainy season. This pattern underscores Haikou’s tropical climate, characterized by a distinct wet and dry cycle, with July serving as a pivotal month in the annual precipitation narrative.

July Precipitation Trends in Haikou

The chart displays monthly precipitation patterns in Haikou, 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. In Haikou, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec23393088911341692751592154328
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Haikou

In July, Haikou, China, experiences its most humid month with a staggering humidity level of 87%. This peak reflects a noticeable upward trend that begins in the earlier months, with humidity gradually increasing from 74% in January to 81% in June. Following July, there is a slight decrease, with August remaining high at 86% but gradually easing into the drier months of September through December. Overall, the data illustrates a distinct pattern of increasing humidity as summer approaches, creating a humid yet vibrant atmosphere typical of the region.

July Average Humidity in Haikou

This chart illustrates the average monthly humidity levels in Haikou, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Haikou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%79%80%81%82%87%86%82%82%80%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Haikou

In Haikou, China, July brings an extreme UV Index of 13, matching the peak levels seen since May. With a burn time of just 10 minutes, the sun's rays are potent, requiring careful precautions for sun exposure. This trend of extreme UV levels, persisting from February through October, highlights the necessity for sun safety during these months. As the summer progresses, both locals and visitors should remain vigilant against UV damage. For more detailed information on monthly UV forecasts, visit Haikou UV Index.

Maximum UV Index Levels in Haikou for July

The chart shows the monthly maximum UV Index (UVI) for Haikou 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. In July, the maximum UV index in Haikou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121213131313131298
Data source: Haikou 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 Haikou

In July, Haikou, China basks in its brightest glory, recording an impressive 318 hours of sunshine. This peak follows the trend of steadily increasing daylight hours from the start of the year, where January starts off modestly at 191 hours. As the months progress, the sun’s embrace becomes more generous, with May and June also offering substantial sunshine at 314 and 304 hours respectively. However, July truly shines as the sun reaches its zenith, setting the stage for a vibrant summer. Interestingly, the sunshine begins to wane again in August, dropping to 286 hours, signaling a gradual transition toward the milder months ahead. Overall, this trend highlights Haikou’s lovely summer months, making July an ideal time to soak in the sun.

Monthly Sunshine Duration in Haikou: July Highlighted

The July sunshine duration represents the total number of hours Haikou 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h251h285h282h314h304h318h286h294h278h256h237h
Data source: Haikou July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Haikou During July

In Haikou, China, the likelihood of sunny weather in July drops to 33%, reflecting a notable shift from earlier months. As the summer progresses, June marks a low point with just 17% chance of sunshine. This decline hints at the increasing humidity and potential rainfall characteristic of the region during the peak summer season. Interestingly, July is surrounded by months with varying sun exposure, peaking in the early part of the year—most notably February at 58%. Following this trend, the chances of sunshine rebound slightly in September at 42%, suggesting that while July might prove cloudy, the sun does make a welcome return as summer wanes.

Percentage of Sunny Days in July in Haikou

The chart illustrates the percentage of sunny days in Haikou 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 Haikou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%58%45%50%48%17%33%21%42%24%54%40%
Data source: Haikou July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Haikou in July

In Haikou, China, the daylight duration follows a predictable rhythm throughout the year, peaking during the summer months. In July, residents enjoy an ample 13 hours of daylight, mirroring the trend established in June and May. This summer abundance enhances outdoor activities and fosters a vibrant atmosphere. As the year progresses into August, daylight begins to wane slightly, dropping to 12 hours, before continuing the gradual decline into the cooler months. The steady increase from 11 hours in January and February to the summer peak, followed by a gentle taper, paints a clear picture of Haikou's warm and sunlit seasons, inviting both locals and visitors to revel in its long summer days.

Average Daylight Hours in Haikou for July

The chart illustrates the variation in daylight duration in Haikou throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 3m11h 28m12h 1m12h 35m13h 4m13h 18m13h 11m12h 46m12h 13m11h 39m11h 10m10h 55m
Data source: Haikou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Haikou

In July, Haikou experiences a gentle whisper of wind with an average speed of 4.0 m/s (9 mph). This marks a slight increase from the calmer days of June, where breezes averaged 3.7 m/s (8 mph). As summer unfolds, July's winds provide a warm and comforting backdrop for outdoor activities, yet they are not as invigorating as the robust gusts that will arrive in the fall. August sees a marginal rise to 4.1 m/s (9 mph), hinting at the winds' gradual return to a more dynamic pace. Overall, July stands out as a month of balance, bridging the transition from the soft, subtropical air of early summer to the more pronounced breezes that characterize the later months.

Average July Wind Speed in Haikou

The chart displays monthly wind speed patterns in Haikou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.03.94.94.54.23.74.0 m/s4.13.46.85.25.9
Data source: Haikou July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Haikou Compares to Other Months

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.

July and January present a striking contrast in weather conditions. In July, temperatures soar with a minimum of 26°C (78°F) and an average reaching 29°C (85°F), often peaking at a sweltering 36°C (97°F). The month is characterized by high humidity at 87%, along with substantial rainfall totaling 169 mm (6.6 in) over approximately 18 days. In contrast, January features much milder temperatures, with a minimum of 10°C (50°F) and an average of 19°C (67°F), peaking at a comfortable 25°C (77°F). The precipitation is significantly lower at 23 mm (0.9 in) over just 6 days, and humidity hovers around 74%. For more detailed insights into January's climate, you can check Haikou weather in January.

In comparing the weather between July and February, it's clear that July is significantly warmer and more humid. July boasts minimum temperatures around 26°C (78°F), averaging 29°C (85°F), and reaching highs of up to 36°C (97°F). In contrast, February features a much cooler climate, with temperatures dropping to a minimum of 10°C (51°F) and averaging 20°C (68°F), peaking at 29°C (84°F).

Additionally, precipitation levels are notably higher in July, with 169 mm (6.6 in) falling over roughly 18 days, compared to just 39 mm (1.5 in) across 6 days in February. The humidity also reflects this difference, with July's at a high 87% versus February's 75%. For more detailed information, you can check Haikou weather in February.

In comparison to March, July presents a much warmer and more humid climate. July's temperatures range from a minimum of 26°C (78°F) to a maximum of 36°C (97°F), averaging around 29°C (85°F). In contrast, March is milder, with temperatures ranging from 16°C (61°F) to 32°C (89°F) and an average of 23°C (74°F). Additionally, July experiences significantly higher precipitation, with 169 mm (6.6 in) over 18 days, while March sees only 30 mm (1.2 in) of rain across 8 days. The humidity is also notably higher in July, reaching 87% compared to March's 78%. For more details, check out Haikou weather in March.

July and April present contrasting weather patterns. In July, temperatures range from a minimum of 26°C (78°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). The month is also characterized by high humidity at 87% and substantial rainfall of 169 mm (6.6 in) over 18 days. In comparison, April boasts milder temperatures with a minimum of 17°C (63°F), an average of 25°C (77°F), and a maximum of 33°C (92°F). Precipitation in April is significantly lower at 87 mm (3.4 in) over 13 days, accompanied by moderate humidity of 80%. For more insights, you can check Haikou weather in April.

In comparing the weather between May and July, July tends to be hotter and more humid. The average temperature in July reaches 29°C (85°F), peaking at a maximum of 36°C (97°F), while May has a slightly lower average temperature of 28°C (82°F) and a maximum of 34°C (94°F). Additionally, July experiences significant rainfall, with 169 mm (6.6 in) of precipitation over 18 days, compared to May's 90 mm (3.6 in) over 16 days. The humidity is also higher in July at 87%, compared to 81% in May, making the summer month feel more oppressive. For detailed information on May weather, you can visit Haikou weather in May.

In comparing the weather patterns of June and July, both months share a similar temperature range with minimums of 26°C (78°F) and average highs around 29°C (85°F). However, July experiences slightly warmer maximum temperatures, reaching up to 36°C (97°F), compared to June's peak of 35°C (95°F). Precipitation levels also see an increase in July, accumulating 169 mm (6.6 in) over 18 days, while June has a lower total of 134 mm (5.3 in) across 15 days. Additionally, July's humidity is higher at 87%, compared to June's 81%. For more specifics on June weather, you can visit Haikou weather in June.

In July, the weather is characterized by higher maximum temperatures, reaching up to 36°C (97°F), with an average temperature of 29°C (85°F). The month sees significant rainfall, accumulating 169 mm (6.6 in) over 18 days, and maintains a high humidity level of 87%.

In contrast, August experiences slightly cooler conditions, with a maximum temperature of 33°C (92°F) and a similar average of 29°C (84°F). However, it is markedly wetter, with precipitation rising to 275 mm (10.8 in) over 21 days, and humidity remains relatively constant at 86%. For more detailed insights into August's climate, you can visit Haikou weather in August.

July and September exhibit similar weather patterns, with both months featuring high temperatures and substantial rainfall. July tends to be slightly hotter, with average temperatures peaking at 29°C (85°F) and maxima reaching 36°C (97°F). In contrast, September's temperatures are a bit cooler, averaging 28°C (83°F) with a maximum of 33°C (91°F). Precipitation levels are also comparable, with July receiving 169 mm (6.6 in) and September slightly less at 159 mm (6.3 in), both spread over 18 days. Additionally, humidity is slightly higher in July at 87%, compared to September's 82%. For more details, you can check Haikou weather in September.

In July, the weather is characterized by hot temperatures, with minimums of 26°C (78°F), average highs around 29°C (85°F), and peaks reaching up to 36°C (97°F). This month also sees considerable rainfall, with 169 mm (6.6 in) of precipitation over 18 days, accompanied by high humidity levels at 87%.

In contrast, October experiences milder temperatures, with minimums dropping to 21°C (70°F) and an average of 26°C (79°F), peaking at 31°C (88°F). However, October is slightly wetter, with 215 mm (8.5 in) of precipitation over the same number of rainy days. The humidity also decreases to 81%, making the weather feel more comfortable than in July. For more detailed insights into October's weather, check Haikou weather in October.

In July, temperatures soar with a minimum of 26°C (78°F) and a scorching average high of 36°C (97°F), resulting in a warm and humid atmosphere with 87% humidity. The month is also marked by significant rainfall, totaling 169 mm (6.6 in) over 18 days. In contrast, November offers a much more pleasant climate with milder temperatures, featuring a minimum of 17°C (63°F) and a maximum of 28°C (83°F). Precipitation drops sharply to 43 mm (1.7 in) spread over just 9 days, and humidity decreases slightly to 80%. For more detailed insights on weather conditions, you can check Haikou weather in November.

In July, the weather is characterized by high temperatures, with average highs reaching 36°C (97°F) and a warm average of 29°C (85°F). This month experiences significant rainfall, with a total of 169 mm (6.6 in) over approximately 18 days, paired with high humidity levels at 87%. In contrast, December offers a much cooler climate, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F). Precipitation is significantly lower at 28 mm (1.1 in), with rain on only 8 days and a slightly reduced humidity of 79%. The differences in weather between these two months highlight a transition from the hot, humid summer to a milder winter period. For more details on December's climate, visit Haikou weather in December.

Compare Haikou's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Haikou

In July, Haikou experiences a notable shift in weather patterns that sets it apart from the milder months surrounding it. With average temperatures soaring to a steamy 29°C, the city feels its peak warmth, complemented by a high humidity level of 87% that enhances the tropical ambiance. Rainfall is frequent, as 18 days of precipitation contribute to a total of 169 mm for the month, making it significantly wetter than other times of the year. This combination of heat and humidity creates a lush, vibrant landscape, inviting visitors to embrace both the sun and the brief afternoon showers. For more insights into Haikou's unique climate, be sure to check out Haikou Climate.