A series of tables gives January data by year for temperature and precipitation. Summer (December – February) During summer, average temperatures range from 18.6 - 25.8°C (65.5 - 78.4°F), and average humidity spikes to 65%. Temperature of water and air, precipitation, amount of days with rain and advice on the best time to visit Sydney. The weather in Sydney in January is very warm and humid on most days throughout January, although the gusty afternoon sea-breezes acts to lower the midday temperatures a little. In Sydney, the summers are warm and partly cloudy and the winters are short, cool, and mostly clear. What is the weather like in Sydney? The beaches of Sydney and Melbourne beckon under blue skies, with moderate average highs of around 26°C (80°F). This first month of the year is full of festivals, markets, theatres and so much more. January February March April May June July August September October November December; Avg. The weather in Sydney in January is almost perfect. Australia: Seven-day weather forecast. Average Weather in Sydney Australia. Calendar overview of Months Weather Forecast. Consider visiting Shelly Beach in the months of January, February, March, December, for the best beach weather.Also consider one of our other suggestions for January. Select a destination to see more weather … Data & Links [][Sydney RecordsSydney Temperature Records - January. Sydney enjoys a sunny climate with mild winters and warm summers, perfect for making the most of the outdoors.Plan ahead with this information on temperature and rainfall. January in Central Australia Rebecca Farr, a forecaster at the Bureau of Meteorology, said the last time Sydney’s Observatory Hill recorded 40C was January 7, 2018, when the mercury hit 43.4C. The average minimum temperature (usually the minimum temperature is noted during the night) in Sydney in January is 19.5°C (67.1°F). January in Southern Australia. Average temperatures for January at major cities across Australia are listed below. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 19°C (66°F) is normal. Much like American Independence Day, the holiday is typically commemorated with barbecues, fireworks, and other festivities. Weather reports from January 2017 in Sydney, New South Wales, Australia with highs and lows Calculated from daily temperature data: January 1859 to December 2005 Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Sydney area. February is in the summer in Sydney and is typically the warmest month of the year. A hot January across much of Australia followed a record warm December for maximum, minimum and mean temperatures for the country. Actually, January is the hottest month of the year and so be aware of that before you travel here. The list lets you compare mean daily temperatures for 26 of Australia's largest urban centers. Sydney weather in January 2021. Sydney Weather in January The average daily temperature in Sydney through the month of January is 21. The best weather in Australia in January is to be found in the south-east region of the country, which enjoys a temperate Oceanic climate. One will be able to cross the country from east to west and take advantage of the various halts to discover the many national parks, without fear of being disturbed by bad weather! The amount of rain in January is high with an average of 116mm (4.6in). January is a good time for road trips in Southern Australia. The climate in Sydney during February can be summarized as warm and wet. New Year's Eves sees the world famous fireworks over Sydney Harbour, and of course visitors can also enjoy the Australia Day festivities in January. Sydney - Recent January Temperatures and Rainfall The numbers here describe what the January weather in Sydney, New South Wales Australia was like for every year since 2010. Get the latest coronavirus (COVID-19) updates for Australia with current travel advice, statistics and online resources. For each destination, Easyvoyage's weather tool gives you temperature and rainfall indicators, along with wind force and direction and sunrise/sunset times. Be prepared January is also the hottest month. Weather Australia Australia >> New South Wales >> Weather in Sydney for 7 days Get the latest coronavirus (COVID-19) updates for Australia with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Western Australia in January. Australia China International Germany Hong Kong SAR, China India Indonesia Japan Korea Malaysia New Zealand Singapore ... Whats on in Sydney in January.