May Weather in Haitang, China

Last updated: August 21, 2025

In Haitang, China, May ushers in a warm and humid climate, characterized by maximum temperatures reaching up to 35°C (95°F) and an average of 22°C (71°F). Evenings cool down to a pleasant minimum of 12°C (53°F). However, this month is also marked by significant rainfall, with precipitation totaling 196 mm (7.7 inches) spread across 17 days, resulting in a notably high humidity level of 83%. Travelers can expect a mix of sunny days and refreshing showers, making May a vibrant but wet month in Haitang.

May Temperature in Haitang

In Haitang, China, May marks a significant transition into warmer temperatures, with daily averages rising to a comfortable 22°C (71°F). This month features a minimum of 12°C (53°F) and a peak that reaches up to 35°C (95°F), making it a delightful time for outdoor activities and exploration. As spring progresses, the temperatures steadily increase from the coolness of earlier months, offering a pleasant contrast to the cooler, crisp conditions of January through April. The landscape comes alive, inviting locals and visitors alike to enjoy the blossoming scenery before the hot summer months set in. With each passing week, the warmth amplifies, setting the stage for the sultry summer ahead, while May serves as a vibrant bridge to the heat that follows.

May Weather in Haitang: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Haitang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haitang, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec464958657176828475645648
Data source: Temperature data for Haitang 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.

May Precipitation in Haitang

In May, Haitang experiences a significant uptick in precipitation, with 196 mm (7.7 in) of rain falling over 17 days. This marks not only the highest monthly total so far in the year, but it also illustrates a clear trend of increasing rainfall as spring transitions into summer. Following a steady increase from 36 mm in January to 163 mm in April, May sees a notable jump that continues the pattern established earlier, where wetter months lead into the peak summer rainy season. In comparison, the months before May exhibit fewer rainy days, making May a crucial time for replenishing local water sources and supporting the vibrant greenery that characterizes the region. This pattern underscores Haitang’s climatic shift as it gears up for the upcoming summer rains, with May acting as a bridge to the more intense precipitation ahead.

May Precipitation Trends in Haitang

The chart displays monthly precipitation patterns in Haitang, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Haitang, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec36581101631961762131351921417033
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Haitang

In Haitang, China, the month of May experiences a humidity level of 83%, marking a slight decline from April's 81%. This mid-spring period sets the stage for the burgeoning summer months, where humidity begins to rise consistently. Following May, humidity escalates, peaking in August at 87% before gradually tapering off in the fall. Notably, the trend indicates a progressively humid environment throughout the year, with levels creeping upwards from the relatively lower readings in January (78%) and February (80%). This upward trajectory reinforces the tropical climate's signature characteristic: an enduring, enveloping humidity that influences both the natural landscape and day-to-day life. As May bridges the transition into the hot summer, residents and visitors alike can expect a sticky embrace of warmth that only intensifies with the changing seasons.

May Average Humidity in Haitang

This chart illustrates the average monthly humidity levels in Haitang, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Haitang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%86%81%83%85%86%87%86%87%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Haitang

In May, Haitang, China experiences a significant peak in UV radiation, with an Ultra Violet (UV) Index soaring to 11, categorizing it as extreme. This intensity marks a notable escalation from the UV Index 10 recorded in April, suggesting that sun protection is paramount, with a quick burn time of just 10 minutes for unprotected skin. As the month progresses, the UV Index remains high, often reaching levels that demand caution. Frequent exposure without proper sunscreen can lead to serious skin damage, making it essential for residents and visitors alike to stay vigilant. With summer approaching, these trends indicate that outdoor activities should be planned around sun safety measures. For more insights on UV levels throughout the year, you can visit Haitang UV Index.

Maximum UV Index Levels in Haitang for May

The chart shows the monthly maximum UV Index (UVI) for Haitang in May, 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 May, the maximum UV index in Haitang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101112121211964
Data source: Haitang May 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.

May Sunshine in Haitang

In Haitang, China, the month of May shines brightly with an impressive 252 hours of sunshine, marking a delightful transition into the peak sunny season. This seasonal delight builds on the steady increase in sunny hours witnessed from January's modest 117 hours through to the vibrant 224 hours in April. As the region flows into summer, June and July showcase even more abundant sunshine, peaking at an astounding 317 hours in August. While September sees a dip to 217 hours, the overall trend clearly indicates that Haitang enjoys a glorious stretch of sunlight in the spring and summer months, making it an ideal destination for sun-seekers and outdoor enthusiasts alike.

Monthly Sunshine Duration in Haitang: May Highlighted

The May sunshine duration represents the total number of hours Haitang experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec117h169h203h224h252h265h296h317h217h145h142h140h
Data source: Haitang May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Haitang During May

In Haitang, China, the likelihood of sunny weather in May remains relatively low at just 16%, marking a decline from the already modest probabilities observed in previous months. While January and February showed a decent chance of sun at 33% and 30% respectively, the onset of spring sees a significant dip, with April plummeting to 14%. May continues this trend, suggesting that residents and visitors should prepare for a mix of overcast skies and intermittent sunshine. Interestingly, the sun's chances rebound in the summer months, particularly in July, when the likelihood rises to 32%, offering a more promising forecast for those yearning for bright days ahead.

Percentage of Sunny Days in May in Haitang

The chart illustrates the percentage of sunny days in Haitang throughout the year, with May 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 Haitang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%30%26%14%16%14%32%25%34%19%26%28%
Data source: Haitang May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Haitang in May

May marks a delightful turning point in Haitang, China, as daylight extends to a generous 13 hours, welcoming the vibrant essence of spring. This increase in light hours reflects a continuous growth trend that began in January with just 10 hours and steadily climbs throughout the spring months. By April, daylight reaches 12 hours, setting the stage for May’s sun-filled days, a stark contrast to the earlier winter months. The trend peaks in June with an impressive 14 hours of daylight, before gradually tapering off in the summer. This rhythmic dance of light not only enhances the beauty of the seasonal landscape but also invites a sense of vitality and energy, encouraging residents and visitors alike to embrace the outdoors in the lush backdrop of Haitang.

Average Daylight Hours in Haitang for May

The chart illustrates the variation in daylight duration in Haitang throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 40m14h 2m13h 51m13h 11m12h 19m11h 24m10h 37m10h 13m
Data source: Haitang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Haitang

In Haitang, China, the month of May greets residents and visitors with a gentle breeze, marked by an average wind speed of 1.2 m/s (3 mph). As spring transitions into summer, the winds are slightly calmer compared to the previous months, resembling the overall trend of lower speeds typically experienced in the early part of the year. Notably, March sees a minor uptick with 1.5 m/s (3 mph), showcasing a brief flirtation with brisker breezes. However, in May, the soothing whisper of the wind complements the blossoming flora, creating an inviting atmosphere for outdoor activities. As summer approaches, one can expect the winds to gradually shift, with September bringing a noticeable increase to 1.7 m/s (4 mph), hinting at the seasonal changes ahead.

Average May Wind Speed in Haitang

The chart displays monthly wind speed patterns in Haitang, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.31.51.41.2 m/s1.31.31.31.71.21.21.2
Data source: Haitang May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Haitang Compares to Other Months

Weather in Haitang varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Haitang, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present contrasting weather patterns. In May, temperatures rise significantly, ranging from a minimum of 12°C (53°F) to a maximum of 35°C (95°F), with an average of 22°C (71°F). This month is also characterized by high humidity at 83% and considerable precipitation of 196 mm (7.7 in) over approximately 17 days. In stark contrast, January experiences much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 16°C (61°F), averaging around 8°C (46°F). Precipitation is notably lighter at 36 mm (1.4 in), occurring over just 8 days, and humidity stands at a lower 78%. For more details, you can check Haitang weather in January.

In comparing the weather of May and February, it's clear that May is significantly warmer, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 35°C (95°F) and an average of 22°C (71°F). In contrast, February's temperatures are much cooler, with minimums of 0°C (32°F) and maximums reaching only 25°C (78°F), averaging at 9°C (49°F). Additionally, May experiences higher precipitation, with 196 mm (7.7 in) over 17 days, compared to February's 58 mm (2.3 in) over 9 days. Humidity levels also differ slightly, with May at 83% and February at 80%. For more details on February weather, you can visit Haitang weather in February.

May and March present quite different weather patterns. In May, temperatures rise significantly, with an average of 22°C (71°F) and highs reaching up to 35°C (95°F), compared to March's more moderate average of 14°C (58°F) and maximum of 31°C (88°F). Additionally, May experiences higher precipitation, measuring 196 mm (7.7 in) over 17 days, while March records only 110 mm (4.3 in) across 15 days. Interestingly, humidity remains relatively similar, with May at 83% and March at 85%. For a more detailed look at March's climate, you can visit Haitang weather in March.

When comparing the weather in April and May, we see a notable increase in temperatures and humidity levels. In May, the minimum temperature is around 12°C (53°F), with an average high of 22°C (71°F) and a peak reaching 35°C (95°F). This contrasts with April, which records a lower minimum temperature of 9°C (48°F) and an average high of 18°C (65°F), with a maximum of 34°C (93°F). Precipitation also rises in May, totaling 196 mm (7.7 in) over 17 days, compared to April's 163 mm (6.4 in) over 15 days. Additionally, May experiences slightly higher humidity at 83%, compared to April's 81%. For a detailed look at April weather, you can visit Haitang weather in April.

May and June present notable differences in weather patterns. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 35°C (95°F), with an average of 22°C (71°F). The month experiences significant precipitation with a total of 196 mm (7.7 in) over 17 days and a relative humidity of 83%. In contrast, June sees warmer temperatures, with a minimum of 16°C (60°F) and an average of 25°C (77°F), while still reaching a maximum of 35°C (96°F). June also has slightly less rainfall at 176 mm (6.9 in) over the same number of rainy days but experiences a marginal increase in humidity at 85%. For further details on June weather, you can visit Haitang weather in June.

May and July present distinct weather patterns, with July generally being hotter and wetter. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 35°C (95°F), with an average of 22°C (71°F). The month also sees significant rainfall, accumulating to 196 mm (7.7 in) over 17 days, and a humidity level of 83%. In contrast, July experiences higher temperatures, with a minimum of 20°C (69°F) and a maximum of 39°C (102°F), averaging 28°C (83°F). Precipitation increases slightly to 213 mm (8.4 in), but with fewer rainy days at 15, and humidity remains high at 86%. For more details on July weather, you can visit Haitang weather in July.

In May, the weather is characterized by a wide temperature range, with minimums of 12°C (53°F) and maximums reaching up to 35°C (95°F), resulting in an average temperature of 22°C (71°F). The month experiences significant precipitation, totaling 196 mm (7.7 in) over 17 days, combined with high humidity levels averaging 83%.

In contrast, August presents warmer temperatures, with minimums of 19°C (67°F) and maximums soaring up to 39°C (103°F), averaging 29°C (85°F). While it is hotter, August sees less rainfall at 134 mm (5.3 in) over 13 days, alongside a slightly higher humidity level of 87%. For more specific details on the weather in August, you can check Haitang weather in August.

May and September showcase a transition in weather patterns, with both months experiencing high temperatures and significant humidity. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 35°C (95°F), accompanied by an average temperature of 22°C (71°F). This month sees substantial rainfall, accumulating 196 mm (7.7 in) over 17 days, with a humidity level of 83%.

In contrast, September offers slightly warmer averages, with temperatures ranging from 16°C (61°F) to a maximum of 37°C (99°F) and an average of 24°C (75°F). Precipitation is similar, totaling 192 mm (7.5 in) over 16 days, while the humidity is marginally higher at 86%.

For those interested in more detailed weather patterns, you can visit Haitang weather in September.

When comparing the weather in May and October, May tends to be warmer, with average temperatures reaching 22°C (71°F) compared to October's 18°C (65°F). The maximum temperature in May can soar to 35°C (95°F), while October's peak is slightly lower at 34°C (94°F). However, October experiences slightly less precipitation, with 141 mm (5.5 in) over 17 days, compared to May’s 196 mm (7.7 in). Both months have high humidity levels, but October is marginally higher at 86%, compared to May's 83%. For more detailed insights, check Haitang weather in October.

May and November present notably contrasting weather conditions. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 35°C (95°F), with an average of about 22°C (71°F). This month sees significant precipitation, totaling 196 mm (7.7 in) over approximately 17 days, accompanied by high humidity levels averaging 83%. In contrast, November experiences cooler temperatures, with a minimum of 4°C (39°F), an average of 13°C (56°F), and a maximum of 24°C (76°F). Rainfall is substantially lower at 70 mm (2.8 in) spread over about 10 days, and humidity remains relatively high at 87%. For more details specifically about November, you can visit Haitang weather in November.

May and December present markedly different weather patterns. In May, temperatures range from a mild 12°C (53°F) at night to a scorching 35°C (95°F) during the day, with an average of 22°C (71°F). The month is characterized by high humidity at 83% and considerable precipitation, totaling 196 mm (7.7 in) over 17 days, creating a vibrant, lush atmosphere.

Conversely, December offers a much cooler climate, with temperatures dipping as low as 0°C (32°F) and peaking at 18°C (64°F), averaging 9°C (48°F). Rainfall is significantly less, with only 33 mm (1.3 in) spread across 8 days, though humidity remains relatively high at 85%. For more details on December weather, you can visit Haitang weather in December.

Compare Haitang's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Haitang

As May unfolds in Haitang, the weather transitions into a warmer and more humid phase, significantly differing from the cooler months that precede it. With average temperatures rising to a comfortable 22°C and peaking at a scorching 35°C, the month invites outdoor activities, despite the increased humidity at around 83%. However, with nearly 200 mm of precipitation spread over 17 days, May also brings its share of rainy spells, reminding visitors to pack an umbrella. This blend of warmth and moisture creates a vibrant atmosphere, making it a delightful yet unpredictable month. For a deeper dive into what to expect, check out Haitang Climate.