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 snowfall in May
- Average snowfall 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
May
Weather in May
Temperature
The shift into May is characterized by a subtle rise in the average high-temperature, transitioning from April's agreeable 20.4°C (68.7°F) to a warm 24.1°C (75.4°F). Nighttime temperatures consistently average a refreshing 18.1°C (64.6°F) during May.Humidity
In May, the average relative humidity is 83%.Rainfall
In Rui'an, in May, during 17.2 rainfall days, 72mm (2.83") of precipitation is typically accumulated. In Rui'an, during the entire year, the rain falls for 173.8 days and collects up to 587mm (23.11") of precipitation.Snowfall
In Rui'an, snow does not fall in February through December.Daylight
The average length of the day in May is 13h and 31min.On the first day of May, sunrise is at 05:17 and sunset at 18:31. On the last day of the month, sunrise is at 05:01 and sunset at 18:48 CST.
Sunshine
The average sunshine in May in Rui'an is 7.4h.UV index
In Rui'an, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In May, the maximum UV index of 6 suggests this advice:
Shun overexposure. Protection from sun ravages is indispensable. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May in Rui'an?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Rui'an, China
- Average high temperature in May: 24.1°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in May: 18.1°C
The month with the highest average low temperature is July (24.6°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).
Average pressure in May
Rui'an, China
- Average pressure in May: 1011.1mbar
The month with the highest atmospheric pressure is January (1025.1mbar).
The months with the lowest atmospheric pressure are July and August (1006.2mbar).
Average wind speed in May
Rui'an, China
- Average wind speed in May: 7.1km/h
The windiest month (with the highest average wind speed) is October (10.6km/h).
The calmest month (with the lowest average wind speed) is May (7.1km/h).
Average humidity in May
Rui'an, China
- Average humidity in May: 83%
The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is December (75%).
Average rainfall in May
Rui'an, China
- Average rainfall in May: 72mm
The wettest month (with the highest rainfall) is June (110mm).
The driest months (with the least rainfall) are January and February (18mm).
Average rainfall days in May
Rui'an, China
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is January (10.5 days).
Average snowfall in May
Rui'an, China
- Average snowfall in May: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Rui'an, China
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Rui'an, China
- Average daylight in May: 13h and 3min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are February and November (Average sunshine: 4h and 36min).
Average sunshine days in May
Rui'an, China
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in May
Rui'an, China
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Rui'an, China
- Average cloud cover in May: 55
The month with the most cloud cover is June (Cloud cover 61).
The months with the least cloud cover are July, August and October (Cloud cover 40).
Average visibility in May
Rui'an, China
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (9km).
The month with the lowest visibility is June (7km).
