January weather forecast
Adelaide, South Africa

January

Weather in January

January, the same as December, is another warm summer month in Adelaide, South Africa, with temperature in the range of an average high of 25.3°C (77.5°F) and an average low of 14.6°C (58.3°F).

Temperature

In Adelaide, temperatures reach their average annual highs in January, measuring 25.3°C (77.5°F) and a minimum average of 14.6°C (58.3°F).

Humidity

With an average relative humidity of 82%, January is the most humid month.

Rainfall

In Adelaide, during January, the rain falls for 20.7 days and regularly aggregates up to 75mm (2.95") of precipitation. In Adelaide, South Africa, during the entire year, the rain falls for 168.8 days and collects up to 529mm (20.83") of precipitation.

Snowfall

In Adelaide, South Africa, snow does not fall in January through June, August through December.

Daylight

In January, the average length of the day in Adelaide is 14h and 1min.
On the first day of January in Adelaide, sunrise is at 05:10 and sunset at 19:26. On the last day of the month, sunrise is at 05:37 and sunset at 19:19 SAST.

Sunshine

The average sunshine in January in Adelaide is 7.4h.

UV index

January through March, August, November and December, with an average maximum UV index of 5, are months with the highest UV index in Adelaide. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In January, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the hottest time of year in Adelaide?
Adelaide's temperature records reveal January as the warmest month, marked by average highs of 25.3°C (77.5°F) and lows of 14.6°C (58.3°F).
What are the temperatures in Adelaide in January?
The high-temperature, in January, in Adelaide, records 25.3°C (77.5°F), while the low-temperature is 14.6°C (58.3°F).
What is the most humid month in Adelaide?
With an average relative humidity of 82%, January is the most humid month in Adelaide.
What is the average humidity in January in Adelaide?
The average relative humidity in January in Adelaide is 82%.
How much does it rain in Adelaide in January?
In Adelaide, in January, during 20.7 rainfall days, 75mm (2.95") of precipitation is typically accumulated.
When it does not snow in Adelaide?
January through June, August through December are months without snowfall in Adelaide.
What is the average length of the day in January in Adelaide?
The average day length in January in Adelaide, South Africa, is 14h and 1min.
When is the sunrise / sunset in January in Adelaide?
On the first day of January, sunrise is at 05:10 and sunset at 19:26. On the last day of the month, sunrise is at 05:37 and sunset at 19:19 SAST.
How long on average sun shines in January in Adelaide?
In January, the average sunshine duration in Adelaide, South Africa, is 7.4h.
What are the months with the highest UV index in Adelaide?
The months with the highest UV index in Adelaide are January through March, August, November and December, with an average maximum UV index of 5.
What is the UV index intensity in January in Adelaide?
In January, the average daily maximum UV index in Adelaide is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Adelaide, South Africa
Average temperature in January
Adelaide, South Africa
  • Average high temperature in January: 25.3°C

The warmest month (with the highest average high temperature) is January (25.3°C).
The month with the lowest average high temperature is July (18°C).

  • Average low temperature in January: 14.6°C

The month with the highest average low temperature is February (14.7°C).
The coldest months (with the lowest average low temperature) are June and July (7°C).

Average pressure in January - Adelaide, South Africa
Average pressure in January
Adelaide, South Africa
  • Average pressure in January: 1013.8mbar

The month with the highest atmospheric pressure is July (1023.1mbar).
The month with the lowest atmospheric pressure is January (1013.8mbar).

Average wind speed in January - Adelaide, South Africa
Average wind speed in January
Adelaide, South Africa
  • Average wind speed in January: 9.6km/h

The windiest month (with the highest average wind speed) is June (14km/h).
The calmest month (with the lowest average wind speed) is March (9.2km/h).

Average humidity in January - Adelaide, South Africa
Average humidity in January
Adelaide, South Africa
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (55%).

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

The wettest month (with the highest rainfall) is February (82mm).
The driest month (with the least rainfall) is June (12mm).

Average rainfall days in January - Adelaide, South Africa
Average rainfall days in January
Adelaide, South Africa
  • Average rainfall days in January: 20.7 days

The month with the highest number of rainy days is December (21.2 days).
The month with the least rainy days is June (6 days).

Average snowfall in January - Adelaide, South Africa
Average snowfall in January
Adelaide, South Africa
  • Average snowfall in January: 0mm

The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).

Average snowfall days in January - Adelaide, South Africa
Average snowfall days in January
Adelaide, South Africa
  • Average snowfall days in January: 0 days

The months with the highest number of snowfall days are July and August (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).

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

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

  • Average sunshine in January: 7h and 2min

The month with the most sunshine is October (Average sunshine: 7h and 54min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).

Average sunshine days in January - Adelaide, South Africa
Average sunshine days in January
Adelaide, South Africa
  • Average sunshine days in January: 7.3 days

The month with the most sunshine days is June (22.1 days).
The months with the least sunshine days are January, February and December (7.3 days).

Average UV index in January - Adelaide, South Africa
Average UV index in January
Adelaide, South Africa
  • Average UV index in January: 5

The months with the highest UV index are January, February, March, August, November and December (UV index 5).
The months with the lowest UV index are April, May, June, July, September and October (UV index 4).

Average cloud cover in January - Adelaide, South Africa
Average cloud cover in January
Adelaide, South Africa
  • Average cloud cover in January: 58

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 20).

Average visibility in January - Adelaide, South Africa
Average visibility in January
Adelaide, South Africa
  • Average visibility in January: 7km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, November and December (7km).

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