May weather forecast
Hefei, China

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Weather in May

Moving ahead into the year, May sets the stage for the summer, with temperatures peaking at a sizzling 27.2°C (81°F). The floral beauty continues to bloom, despite seeing rainfall at 51mm (2.01"), a significant surge from April's 42mm (1.65"). The city warms up, preparing for maximum daylight and sunshine in the following months. Consistency in humidity sets a predictable climate for the residents. May is a good time to experience the subtropical weather of Hefei before the summer heat fully sets in.

Temperature

In Hefei, the average high-temperature in May increases from an agreeable 22.1°C (71.8°F) in April to a warm 27.2°C (81°F). During the nights in May, Hefei observes an average low-temperature of 17.8°C (64°F).

Heat index

The heat index value during May is appraised at 29°C (84.2°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in May in Hefei, China, is 63%.

Rainfall

In Hefei, China, in May, during 11.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Hefei, there are 144.1 rainfall days, and 679mm (26.73") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Hefei, the average length of the day in May is 13h and 47min.
On the first day of the month, sunrise is at 05:25 and sunset at 18:51. On the last day of May, sunrise is at 05:06 and sunset at 19:11 CST.

Sunshine

In May, the average sunshine is 9.4h.

UV index

The average daily maximum UV index in May in Hefei is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in May translates into these instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the average May temperature in Hefei?

The high-temperature in Hefei, China, during May is 27.2°C (81°F) and the low-temperature is 17.8°C (64°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in May is appraised at 29°C (84.2°F).

What is the average humidity in May in Hefei?

In May, the average relative humidity in Hefei, China, is 63%.

How many days does it rain in May in Hefei?

In Hefei, China, in May, it is raining for 11.4 days, with typically 51mm (2.01") of accumulated precipitation.

When it does not snow in Hefei?

May through October are months without snowfall.

Does it snow in Hefei in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Hefei?

In Hefei, China, the average day length in May is 13h and 47min.

What time are sunrise and sunset in May in Hefei?

In May, on the first day of the month, sunrise is at 05:25 and sunset at 18:51. On the last day of the month, sunrise is at 05:06 and sunset at 19:11 CST.

How long on average sun shines in May in Hefei?

In May, the average sunshine duration in Hefei is 9.4h.

How high is the UV index in May in Hefei?

The average daily maximum UV index in May in Hefei is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Hefei, China

Average temperature in May - Hefei, China
  • Average high temperature in May: 27.2°C

The warmest months (with the highest average high temperature) are July and August (31.8°C).
The month with the lowest average high temperature is January (7.5°C).

  • Average low temperature in May: 17.8°C

The months with the highest average low temperature are July and August (24.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in May
Hefei, China

Average pressure in May - Hefei, China
  • Average pressure in May: 1010mbar

The month with the highest atmospheric pressure is January (1027.7mbar).
The month with the lowest atmospheric pressure is July (1004mbar).

Average wind speed in May
Hefei, China

Average wind speed in May - Hefei, China
  • Average wind speed in May: 11km/h

The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is September (9.6km/h).

Average humidity in May
Hefei, China

Average humidity in May - Hefei, China
  • Average humidity in May: 63%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is December (61%).

Average rainfall in May
Hefei, China

Average rainfall in May - Hefei, China
  • Average rainfall in May: 51mm

The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is December (20mm).

Average rainfall days in May
Hefei, China

Average rainfall days in May - Hefei, China
  • Average rainfall days in May: 11.4 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is December (6.8 days).

Average snowfall in May
Hefei, China

Average snowfall in May - Hefei, China
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May
Hefei, China

Average snowfall days in May - Hefei, China
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Hefei, China

Average daylight in May / Average sunshine in May - Hefei, China
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in May
Hefei, China

Average sunshine days in May - Hefei, China
  • Average sunshine days in May: 17.8 days

The month with the most sunshine days is December (23.1 days).
The months with the least sunshine days are July and August (9.2 days).

Average UV index in May
Hefei, China

Average UV index in May - Hefei, China
  • Average UV index in May: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in May
Hefei, China

Average cloud cover in May - Hefei, China
  • Average cloud cover in May: 37

The months with the most cloud cover are February and September (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 33).

Average visibility in May
Hefei, China

Average visibility in May - Hefei, China
  • Average visibility in May: 10km

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

Hefei, China

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