December weather forecast
Petrusburg, South Africa

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Weather in December

December, the first month of the summer in Petrusburg, is still a hot month, with temperature in the range of an average low of 20.4°C (68.7°F) and an average high of 32.3°C (90.1°F).

Temperature

January and December are identified as the warmest months, with an average high-temperature of 32.3°C (90.1°F).

Humidity

In December, the average relative humidity is 30%.

Rainfall

In Petrusburg, during December, the rain falls for 8.5 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 65.5 rainfall days, and 183mm (7.2") of precipitation is accumulated.

Daylight

December has the longest days of the year in Petrusburg, with an average of 14h and 0min of daylight.
On the first day of the month, sunrise is at 05:11 and sunset at 19:03. On the last day of December, in Petrusburg, South Africa, sunrise is at 05:22 and sunset at 19:20 SAST.

Sunshine

The average sunshine in December in Petrusburg is 11.8h.

UV index

January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index in Petrusburg. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during December leads to these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the hottest time of year in Petrusburg?

The peak of Petrusburg's temperatures is noted during January and December, averaging a high-temperature of 32.3°C (90.1°F).

How hot is it in Petrusburg in December?

December temperatures in Petrusburg vary between a high-temperature of 32.3°C (90.1°F) and a low-temperature of 20.4°C (68.7°F). In February, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 31°C (87.8°F).

What is the average humidity in December in Petrusburg?

In December, the average relative humidity in Petrusburg is 30%.

How much does it rain in Petrusburg in December?

In Petrusburg, in December, during 8.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

When are the longest days in Petrusburg?

December has the longest days of the year in Petrusburg, South Africa, with an average of 14h and 0min of daylight.

How many hours of daylight does Petrusburg have in December?

In December, the average day length in Petrusburg, South Africa, is 13h and 58min.

When is the sunrise / sunset in December in Petrusburg?

On the first day of December in Petrusburg, South Africa, sunrise is at 05:11 and sunset at 19:03. On the last day of the month, sunrise is at 05:22 and sunset at 19:20 SAST.

How many hours of sunshine does Petrusburg have in December?

In Petrusburg, South Africa, the average sunshine duration in December is 11.8h.

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

The months with the highest UV index in Petrusburg are January, February, November and December, with an average maximum UV index of 7.

What is the UV index reading in December in Petrusburg?

In Petrusburg, the average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in December
Petrusburg, South Africa

Average temperature in December - Petrusburg, South Africa
  • Average high temperature in December: 32.3°C

The warmest months (with the highest average high temperature) are January and December (32.3°C).
The month with the lowest average high temperature is June (17.6°C).

  • Average low temperature in December: 20.4°C

The month with the highest average low temperature is January (21.6°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).

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Average pressure in December
Petrusburg, South Africa

Average pressure in December - Petrusburg, South Africa
  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1010.5mbar).

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Average wind speed in December
Petrusburg, South Africa

Average wind speed in December - Petrusburg, South Africa
  • Average wind speed in December: 17.4km/h

The windiest month (with the highest average wind speed) is November (18.2km/h).
The calmest month (with the lowest average wind speed) is May (12.3km/h).

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Average humidity in December
Petrusburg, South Africa

Average humidity in December - Petrusburg, South Africa
  • Average humidity in December: 30%

The month with the highest relative humidity is June (44%).
The month with the lowest relative humidity is September (25%).

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Average rainfall in December
Petrusburg, South Africa

Average rainfall in December - Petrusburg, South Africa
  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is April (32mm).
The driest months (with the least rainfall) are August and September (3mm).

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Average rainfall days in December
Petrusburg, South Africa

Average rainfall days in December - Petrusburg, South Africa
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is February (10.3 days).
The month with the least rainy days is July (1.4 days).

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Average daylight in December /
Average sunshine in December
Petrusburg, South Africa

Average daylight in December / Average sunshine in December - Petrusburg, South Africa
  • Average daylight in December: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 11h and 5min

The months with the most sunshine are January and November (Average sunshine: 11h and 54min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 36min).

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Average sunshine days in December
Petrusburg, South Africa

Average sunshine days in December - Petrusburg, South Africa
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is February (15.6 days).

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Average UV index in December
Petrusburg, South Africa

Average UV index in December - Petrusburg, South Africa
  • Average UV index in December: 7

The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).

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Average cloud cover in December
Petrusburg, South Africa

Average cloud cover in December - Petrusburg, South Africa
  • Average cloud cover in December: 13

The month with the most cloud cover is February (Cloud cover 17).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in December
Petrusburg, South Africa

Average visibility in December - Petrusburg, South Africa
  • Average visibility in December: 10km

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

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Petrusburg, South Africa

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