May weather forecastSishui, China
May
Weather in May
May, the last month of the spring in Sishui, is a warm month, with an average temperature fluctuating between 27.3°C (81.1°F) and 15.5°C (59.9°F).Temperature
Sishui's weather in May shows a rise in the average high-temperature, moving up from April's pleasant 20.9°C (69.6°F) to a warm 27.3°C (81.1°F). An average low-temperature of 15.5°C (59.9°F) marks the nights throughout May.Heat index
During May, the heat index is computed to be 28°C (82.4°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in May in Sishui is 48%.Rainfall
In Sishui, during May, the rain falls for 6.9 days and regularly aggregates up to 29mm (1.14") of precipitation. In Sishui, China, during the entire year, the rain falls for 93 days and collects up to 436mm (17.17") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 14h and 3min.On the first day of May in Sishui, sunrise is at 05:18 and sunset at 18:57. On the last day of the month, sunrise is at 04:56 and sunset at 19:20 CST.
Sunshine
The average sunshine in May in Sishui is 10.6h.UV index
In Sishui, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sishui, China
- Average high temperature in May: 27.3°C
The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in May: 15.5°C
The month with the highest average low temperature is July (22.6°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in May
Sishui, China
- Average pressure in May: 1009.9mbar
The month with the highest atmospheric pressure is January (1028.8mbar).
The month with the lowest atmospheric pressure is July (1003.9mbar).
Average wind speed in May
Sishui, China
- Average wind speed in May: 11.4km/h
The windiest month (with the highest average wind speed) is April (12km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in May
Sishui, China
- Average humidity in May: 48%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (44%).
Average rainfall in May
Sishui, China
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is August (143mm).
The driest month (with the least rainfall) is January (6mm).
Average rainfall days in May
Sishui, China
- Average rainfall days in May: 6.9 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (1.4 days).
Average snowfall in May
Sishui, China
- Average snowfall in May: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Sishui, China
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Sishui, China
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in May
Sishui, China
- Average sunshine days in May: 23 days
The month with the most sunshine days is January (28.4 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in May
Sishui, China
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Sishui, China
- Average cloud cover in May: 25
The month with the most cloud cover is August (Cloud cover 36).
The month with the least cloud cover is December (Cloud cover 22).
Average visibility in May
Sishui, China
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).








