May weather forecast
Ronaldsey, South Africa

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Weather in May

The last month of the autumn, May, is also a moderately hot month in Ronaldsey, South Africa, with an average temperature ranging between max 27.4°C (81.3°F) and min 14.5°C (58.1°F).

Temperature

Ronaldsey greets May with an average high-temperature of a still moderately hot 27.4°C (81.3°F), marking a slight deviation from the preceding month. With the onset of night in May, Ronaldsey reveals a significant decrease in temperature, averaging at a moderate 14.5°C (58.1°F).

Heat index

Throughout May, the heat index is computed to be 29°C (84.2°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In May, the average relative humidity is 64%.

Rainfall

In Ronaldsey, in May, during 5.5 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Ronaldsey, during the entire year, the rain falls for 130.3 days and collects up to 415mm (16.34") of precipitation.

Daylight

In May, the average length of the day is 10h and 55min.
On the first day of the month, sunrise is at 06:17 and sunset at 17:26. On the last day of May, in Ronaldsey, South Africa, sunrise is at 06:31 and sunset at 17:13 SAST.

Sunshine

The average sunshine in May in Ronaldsey is 7.2h.

UV index

In Ronaldsey, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jan 25, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Ronaldsey in May?

The average high-temperature and low-temperature in Ronaldsey during May are 27.4°C (81.3°F) and 14.5°C (58.1°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 29°C (84.2°F).

What is the average humidity in May in Ronaldsey?

The average relative humidity in May in Ronaldsey is 64%.

How many days does it rain in May in Ronaldsey?

In Ronaldsey, South Africa, in May, it is raining for 5.5 days, with typically 7mm (0.28") of accumulated precipitation.

How many hours of daylight does Ronaldsey have in May?

The average day length in May in Ronaldsey is 10h and 55min.

When is the sunrise / sunset in May in Ronaldsey?

In May, on the first day of the month, sunrise is at 06:17 and sunset at 17:26. On the last day of the month, in Ronaldsey, sunrise is at 06:31 and sunset at 17:13 SAST.

How many hours of sunshine does Ronaldsey have in May?

In May, the average sunshine duration in Ronaldsey, South Africa, is 7.2h.

How high is the UV index in May in Ronaldsey?

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

Average temperature in May
Ronaldsey, South Africa

Average temperature in May - Ronaldsey, South Africa
  • Average high temperature in May: 27.4°C

The warmest month (with the highest average high temperature) is December (31.6°C).
The month with the lowest average high temperature is July (24.9°C).

  • Average low temperature in May: 14.5°C

The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is June (12°C).

Average pressure in May
Ronaldsey, South Africa

Average pressure in May - Ronaldsey, South Africa
  • Average pressure in May: 1020.2mbar

The month with the highest atmospheric pressure is July (1023.9mbar).
The month with the lowest atmospheric pressure is January (1013.2mbar).

Average wind speed in May
Ronaldsey, South Africa

Average wind speed in May - Ronaldsey, South Africa
  • Average wind speed in May: 7.8km/h

The windiest month (with the highest average wind speed) is September (11.9km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).

Average humidity in May
Ronaldsey, South Africa

Average humidity in May - Ronaldsey, South Africa
  • Average humidity in May: 64%

The months with the highest relative humidity are January, February and March (74%).
The month with the lowest relative humidity is September (53%).

Average rainfall in May
Ronaldsey, South Africa

Average rainfall in May - Ronaldsey, South Africa
  • Average rainfall in May: 7mm

The wettest month (with the highest rainfall) is December (79mm).
The driest months (with the least rainfall) are June and July (4mm).

Average rainfall days in May
Ronaldsey, South Africa

Average rainfall days in May - Ronaldsey, South Africa
  • Average rainfall days in May: 5.5 days

The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is June (2.6 days).

Average daylight in May /
Average sunshine in May
Ronaldsey, South Africa

Average daylight in May / Average sunshine in May - Ronaldsey, South Africa
  • Average daylight in May: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in May: 7h and 1min

The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).

Average sunshine days in May
Ronaldsey, South Africa

Average sunshine days in May - Ronaldsey, South Africa
  • Average sunshine days in May: 23.8 days

The month with the most sunshine days is June (26 days).
The month with the least sunshine days is January (9.7 days).

Average UV index in May
Ronaldsey, South Africa

Average UV index in May - Ronaldsey, South Africa
  • Average UV index in May: 6

The months with the highest UV index are January and November (UV index 7).
The months with the lowest UV index are June and July (UV index 5).

Average cloud cover in May
Ronaldsey, South Africa

Average cloud cover in May - Ronaldsey, South Africa
  • Average cloud cover in May: 18

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in May
Ronaldsey, South Africa

Average visibility in May - Ronaldsey, South Africa
  • Average visibility in May: 9km

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

Ronaldsey, South Africa

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