January weather forecast
Ronaldsey, South Africa

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Weather in January

January, like December, is a hot summer month in Ronaldsey, South Africa, with an average temperature fluctuating between 31.1°C (88°F) and 20.3°C (68.5°F).

Temperature

The advent of January presents an average high-temperature of a still tropical 31.1°C (88°F), maintaining a close correlation with the preceding month. Ronaldsey records an average low of 20.3°C (68.5°F) throughout the nights in January.

Heat index

The heat index in January is computed to be a very hot 39°C (102.2°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 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.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

January through March, with an average relative humidity of 74%, are the most humid months in Ronaldsey.

Rainfall

In Ronaldsey, in January, during 18.2 rainfall days, 75mm (2.95") of precipitation is typically accumulated. Throughout the year, in Ronaldsey, there are 130.3 rainfall days, and 415mm (16.34") of precipitation is accumulated.

Daylight

The average length of the day in January in Ronaldsey is 13h and 29min.
On the first day of January, sunrise is at 05:08 and sunset at 18:47. On the last day of the month, sunrise is at 05:30 and sunset at 18:45 SAST.

Sunshine

In Ronaldsey, South Africa, the average sunshine in January is 8.8h.

UV index

The months with the highest UV index are January and November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 7 during January translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jan 25, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is it in Ronaldsey in January?

January temperatures vary between a high-temperature of 31.1°C (88°F) and a low-temperature of 20.3°C (68.5°F). In January, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 39°C (102.2°F).

What are the most humid months in Ronaldsey?

The months with the highest humidity in Ronaldsey, South Africa, are January through March, with an average relative humidity of 74%.

What is the average humidity in January in Ronaldsey?

In Ronaldsey, South Africa, the average relative humidity in January is 74%.

How much does it rain in Ronaldsey in January?

In Ronaldsey, South Africa, during January, the rain falls for 18.2 days and regularly aggregates up to 75mm (2.95") of precipitation.

How many hours of daylight does Ronaldsey have in January?

In January, the average day length in Ronaldsey is 13h and 29min.

When is the sunrise / sunset in January in Ronaldsey?

On the first day of January in Ronaldsey, South Africa, sunrise is at 05:08 and sunset at 18:47. On the last day of the month, sunrise is at 05:30 and sunset at 18:45 SAST.

How long on average sun shines in January in Ronaldsey?

In Ronaldsey, South Africa, the average sunshine duration in January is 8.8h.

What is the month with the highest UV index in Ronaldsey?

The months with the highest UV index in Ronaldsey, South Africa, are January and November, with an average maximum UV index of 7.

What is the UV index reading in January in Ronaldsey?

The average daily maximum UV index in January in Ronaldsey is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in January
Ronaldsey, South Africa

Average temperature in January - Ronaldsey, South Africa
  • Average high temperature in January: 31.1°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 January: 20.3°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 January
Ronaldsey, South Africa

Average pressure in January - Ronaldsey, South Africa
  • Average pressure in January: 1013.2mbar

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 January
Ronaldsey, South Africa

Average wind speed in January - Ronaldsey, South Africa
  • Average wind speed in January: 10.8km/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 January
Ronaldsey, South Africa

Average humidity in January - Ronaldsey, South Africa
  • Average humidity in January: 74%

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 January
Ronaldsey, South Africa

Average rainfall in January - Ronaldsey, South Africa
  • Average rainfall in January: 75mm

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 January
Ronaldsey, South Africa

Average rainfall days in January - Ronaldsey, South Africa
  • Average rainfall days in January: 18.2 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 January /
Average sunshine in January
Ronaldsey, South Africa

Average daylight in January / Average sunshine in January - Ronaldsey, South Africa
  • Average daylight in January: 13h and 3min

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 January: 8h and 5min

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 January
Ronaldsey, South Africa

Average sunshine days in January - Ronaldsey, South Africa
  • Average sunshine days in January: 9.7 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 January
Ronaldsey, South Africa

Average UV index in January - Ronaldsey, South Africa
  • Average UV index in January: 7

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 January
Ronaldsey, South Africa

Average cloud cover in January - Ronaldsey, South Africa
  • Average cloud cover in January: 50

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 January
Ronaldsey, South Africa

Average visibility in January - Ronaldsey, South Africa
  • Average visibility in January: 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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