May weather forecast
Nam Wan, Hong Kong

May

Weather in May

May, the last month of the spring in Nam Wan, is another warm month, with an average temperature fluctuating between 24.9°C (76.8°F) and 27.7°C (81.9°F).

Temperature

May brings a slight rise in Nam Wan's average high-temperature, moving from 24.5°C (76.1°F) in April to a still warm 27.7°C (81.9°F). A consistent average low of 24.9°C (76.8°F) is noted throughout May, only a small step down from its daytime high.

Heat index

During May, the heat index is appraised at a tropical 32°C (89.6°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

With an average relative humidity of 84%, May is the most humid month in Nam Wan.

Rainfall

In Nam Wan, in May, during 22.9 rainfall days, 171mm (6.73") of precipitation is typically accumulated. Throughout the year, there are 224.5 rainfall days, and 1264mm (49.76") of precipitation is accumulated.

Daylight

The average length of the day in May is 13h and 13min.
On the first day of the month, sunrise is at 05:51 and sunset at 18:50. On the last day of May, sunrise is at 05:39 and sunset at 19:03 HKT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 7 in May leads to these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What are the temperatures in May?
May temperatures vary between a high-temperature of 27.7°C (81.9°F) and a low-temperature of 24.9°C (76.8°F). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 32°C (89.6°F).
What is the most humid month in Nam Wan?
May is the most humid month, with an average relative humidity of 84%.
What is the average humidity in May?
In Nam Wan, the average relative humidity in May is 84%.
How much does it rain in May?
In Nam Wan, in May, during 22.9 rainfall days, 171mm (6.73") of precipitation is typically accumulated.
How many hours of daylight does Nam Wan have in May?
In May, the average day length is 13h and 13min.
When are sunrise and sunset in May?
In May, on the first day of the month, sunrise is at 05:51 and sunset at 18:50. On the last day of the month, sunrise is at 05:39 and sunset at 19:03 HKT.
How long on average sun shines in May?
The average sunshine duration in May is 8.4h.
When is the highest UV index?
The months with the highest UV index are May through September, with an average maximum UV index of 7.
What is the UV index intensity in May?
In Nam Wan, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Nam Wan, Hong Kong
Average temperature in May
Nam Wan, Hong Kong
  • Average high temperature in May: 27.7°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (18.5°C).

  • Average low temperature in May: 24.9°C

The month with the highest average low temperature is August (27.7°C).
The coldest month (with the lowest average low temperature) is January (15°C).

Average pressure in May - Nam Wan, Hong Kong
Average pressure in May
Nam Wan, Hong Kong
  • Average pressure in May: 1009mbar

The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).

Average wind speed in May - Nam Wan, Hong Kong
Average wind speed in May
Nam Wan, Hong Kong
  • Average wind speed in May: 13.6km/h

The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).

Average humidity in May - Nam Wan, Hong Kong
Average humidity in May
Nam Wan, Hong Kong
  • Average humidity in May: 84%

The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is December (70%).

Average rainfall in May - Nam Wan, Hong Kong
Average rainfall in May
Nam Wan, Hong Kong
  • Average rainfall in May: 171mm

The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is December (23mm).

Average rainfall days in May - Nam Wan, Hong Kong
Average rainfall days in May
Nam Wan, Hong Kong
  • Average rainfall days in May: 22.9 days

The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is December (11.2 days).

Average daylight in May / Average sunshine in May - Nam Wan, Hong Kong
Average daylight in May /
Average sunshine in May
Nam Wan, Hong Kong
  • Average daylight in May: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 5h and 18min).

Average sunshine days in May - Nam Wan, Hong Kong
Average sunshine days in May
Nam Wan, Hong Kong
  • Average sunshine days in May: 5.6 days

The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (3.1 days).

Average UV index in May - Nam Wan, Hong Kong
Average UV index in May
Nam Wan, Hong Kong
  • Average UV index in May: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in May - Nam Wan, Hong Kong
Average cloud cover in May
Nam Wan, Hong Kong
  • Average cloud cover in May: 49

The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are September and October (Cloud cover 35).

Average visibility in May - Nam Wan, Hong Kong
Average visibility in May
Nam Wan, Hong Kong
  • Average visibility in May: 9km

The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July and August (9km).

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