Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As Ha Fa Shan welcomes May, the average high-temperature sees a modest rise, transitioning from 25.1°C (77.2°F) in April to a still warm 28.3°C (82.9°F). The low temperature average in Ha Fa Shan, Hong Kong, during May reflects a slight decrease to a still moderately hot 24.7°C (76.5°F) from the day's peak.Heat index
May's mean heat index is appraised at a tropical 33°C (91.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.One should consider that heat index numbers are for shaded settings and light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The most humid month is May, with an average relative humidity of 83%.Rainfall
In Ha Fa Shan, in May, during 18.4 rainfall days, 106mm (4.17") of precipitation is typically accumulated. Throughout the year, there are 187.1 rainfall days, and 771mm (30.35") of precipitation is accumulated.Daylight
The average length of the day in May in Ha Fa Shan 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 in Ha Fa Shan is 8.2h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 7 during May leads to these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Ha Fa Shan during May?
What is the most humid month in Ha Fa Shan?
What is the average humidity in May in Ha Fa Shan?
How much does it rain in Ha Fa Shan in May?
What is the average length of the day in May in Ha Fa Shan?
What time are sunrise and sunset in May in Ha Fa Shan?
How long on average sun shines in May in Ha Fa Shan?
What is the month with the highest UV index in Ha Fa Shan?
What is the UV index intensity in May in Ha Fa Shan?
Average temperature in May
Ha Fa Shan, Hong Kong
- Average high temperature in May: 28.3°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in May: 24.7°C
The months with the highest average low temperature are July and August (27.3°C).
The coldest month (with the lowest average low temperature) is January (14.3°C).
Average pressure in May
Ha Fa Shan, Hong Kong
- Average pressure in May: 1009mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).
Average wind speed in May
Ha Fa Shan, Hong Kong
- Average wind speed in May: 11.8km/h
The windiest month (with the highest average wind speed) is July (12.9km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in May
Ha Fa Shan, Hong Kong
- Average humidity in May: 83%
The month with the highest relative humidity is May (83%).
The month with the lowest relative humidity is December (68%).
Average rainfall in May
Ha Fa Shan, Hong Kong
- Average rainfall in May: 106mm
The wettest month (with the highest rainfall) is August (141mm).
The driest months (with the least rainfall) are January and December (11mm).
Average rainfall days in May
Ha Fa Shan, Hong Kong
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is July (25.1 days).
The month with the least rainy days is December (7.9 days).
Average daylight in May /
Average sunshine in May
Ha Fa Shan, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 5h and 6min).
Average sunshine days in May
Ha Fa Shan, Hong Kong
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are July and August (5 days).
Average UV index in May
Ha Fa Shan, 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 months with the lowest UV index are January and December (UV index 4).
Average cloud cover in May
Ha Fa Shan, Hong Kong
- Average cloud cover in May: 52
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is October (Cloud cover 36).
Average visibility in May
Ha Fa Shan, Hong Kong
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).
Ha Fa Shan, Hong Kong
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