Considering a career as a meteorologist? Here at the Sydney Airport Meterological Office you can see the place where weather observations and forecasts come to life.
The Sydney Airport Meterological Office plays a vital role. It provides essential weather information for safe and efficient air travel. This office monitors various weather elements. These include temperature, wind speed, rainfall, and humidity.
Let’s talk about the weather at Sydney International Airport. Summers here are warm and partly cloudy. Winters are short cool and mostly clear. The temperature typically ranges from 48°F to 80°F. It rarely drops below 42°F or rises above 90°F.
The warm season lasts almost four months. It runs from late November to late March. The average daily high temperature exceeds 76°F. January is the hottest month. It boasts an average high of 80°F and a low of 68°F.
Conversely the cool season spans nearly three months. It stretches from late May to late August. The average daily high temperature remains below 66°F. July is the coldest month. It has an average low of 48°F and a high of 62°F.
Cloud cover varies mildly throughout the year at Sydney International Airport. The clearest period begins in late June. It lasts for about 3.6 months ending in early October. August is the clearest month. The sky is clear mostly clear or partly cloudy 78% of the time. The cloudier period starts in early October. It lasts for about 8.4 months ending in late June. November is the cloudiest month. The sky is overcast or mostly cloudy 38% of the time.
The chance of wet days varies throughout the year. The wetter season lasts for 7.6 months. It runs from late October to early June. There is a greater than 23% chance of a wet day. February sees the most wet days. There are about 7.9 days with at least 0.04 inches of precipitation. The drier season lasts for 4.4 months. It runs from early June to late October. August has the fewest wet days. There are about 5.3 days with at least 0.04 inches of precipitation. Rain alone is the most common form of precipitation. It peaks at 30% on January 31.
Rain falls throughout the year. February is the wettest month with 4.0 inches of rain. September is the driest month with 1.8 inches of rain.
The length of day varies significantly. In 2025 the shortest day is June 21. There will be about 9 hours and 53 minutes of daylight. The longest day is December 22. There will be about 14 hours and 25 minutes of daylight.
Daylight saving time is observed. It starts in the spring on October 5 and ends in the fall on April 6.
Humidity also experiences seasonal variation. The muggier period lasts for 4.1 months. It goes from late November to early April. The comfort level is muggy oppressive or miserable at least 10% of the time. February is the muggiest month. There are about 10.7 muggy days or worse. July is the least muggy month.
The average hourly wind speed does not vary significantly. It remains within 0.5 miles per hour of 8.2 miles per hour throughout the year.
Water temperature sees some seasonal variation. The time of year with warmer water lasts for 3.5 months. It goes from January 1 to mid-April. February has the warmest water. The average temperature is 74°F. The time of year with cooler water lasts for 3.8 months. It goes from late June to mid-October. August has the coolest water. The average temperature is 64°F.
Considering all these weather factors the best time to visit Sydney International Airport for general outdoor activities is from late November to early April. If you are looking for hot-weather activities come between early January and early March.
So next time you’re at Sydney Airport remember the Sydney Airport Meterological Office. It quietly works behind the scenes. It keeps us safe and informed connecting us all.