January weather forecastAdelaide, Australia
January
Weather in January
Indeed, January is the heat zenith in Adelaide, placing it among the warmest months of the year. Temperatures elevate to a monthly average high of 26.3°C (79.3°F) with peak humidity at 58%. Consequently, January offers expansive sunny hours with an average of 9 hours amidst a daylight duration of 14.2 hours. As a warm, inviting month, January is ideal for outdoor activities under a sky with cloud cover just about 20%. With the transitioning month, February, the weather demonstrates similar characteristics albeit a mild dip in temperature.Temperature
January, having an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 17.8°C (64°F), is the warmest month in Adelaide.Humidity
With an average relative humidity of 58%, January is the least humid month.Rainfall
In Adelaide, in January, during 6.4 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, in Adelaide, Australia, there are 126.2 rainfall days, and 326mm (12.83") of precipitation is accumulated.Sea temperature
In Adelaide, in January, the average water temperature is 19°C (66.2°F).Note: Swimming in 19°C (66.2°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in January is 14h and 12min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:32 pm. On the last day of January, in Adelaide, sunrise is at 6:33 am and sunset at 8:24 pm ACDT.
Sunshine
In January, the average sunshine in Adelaide is 9h.UV index
In January, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, a regular UV index of 5 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Adelaide, Australia
- Average high temperature in January: 26.3°C
The warmest month (with the highest average high temperature) is January (26.3°C).
The month with the lowest average high temperature is July (13.9°C).
- Average low temperature in January: 17.8°C
The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is August (9.1°C).
Average pressure in January
Adelaide, Australia
- Average pressure in January: 1012.4mbar
The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in January
Adelaide, Australia
- Average wind speed in January: 14.3km/h
The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is April (12.9km/h).
Average humidity in January
Adelaide, Australia
- Average humidity in January: 58%
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (58%).
Average rainfall in January
Adelaide, Australia
- Average rainfall in January: 17mm
The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is March (16mm).
Average rainfall days in January
Adelaide, Australia
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (6.2 days).
Average sea temperature in January
Adelaide, Australia
- Average sea temperature in January: 19°C
The best month for swimming (with the highest average sea temperature) is February (20°C).
The coldest months (with the lowest average sea temperature) are August, September and October (15°C).
Average daylight in January /
Average sunshine in January
Adelaide, Australia
- Average daylight in January: 14h and 12min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in January: 9h and 0min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is August (Average sunshine: 7h and 6min).
Average sunshine days in January
Adelaide, Australia
- Average sunshine days in January: 21.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in January
Adelaide, Australia
- Average UV index in January: 5
The months with the highest UV index are February and December (UV index 6).
The month with the lowest UV index is June (UV index 3).
Average cloud cover in January
Adelaide, Australia
- Average cloud cover in January: 20
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in January
Adelaide, Australia
- Average visibility in January: 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).
