Friday, 1 September 2017 - Seasonal Climate Summary for Greater Sydney - Product code IDCKGC25L0

Greater Sydney in winter 2017: a warm and dry winter across the region

Winter in the Greater Sydney region was drier than average overall, and Sydney's driest since 2009. Days were warmer than average, although similar to last winter. Average to cooler than average minimum temperatures were widespread inland, although warmer than average overnight temperatures dominated closer to the coast.

This summary includes data from observing sites in or near the Greater Sydney “Greater Capital City Statistical Area” (GCCSA) – see the notes.

Wet June, dry in July and August

• Winter was drier than average overall for Sydney, although above average rainfall in June kept seasonal totals closer to average in the west; Observatory Hill recorded 211.4 mm of rain for the season, below the average of 312.0 mm and the driest winter since 2009
• Observatory Hill received rainfall on 22 days during winter, much less than the average of 34 days, while rain fell in Parramatta North on 17 days, compared to an average of 28 days
• There were five days when 10 mm or more fell at the Sydney Observatory, below the average of eight days, and at least 10 mm of rain fell in Parramatta North on four occassions, slightly below the long-term average of five days
• The heaviest rainfalls came at the start of the season, with all days with totals of 25 mm or more occurring in June
• Sunshine was slightly above average for winter, with a cloudy June but sunny July and August

Warm days but cooler mornings in the west

• Maximum temperatures were above average for winter across Sydney; The mean daily maximum temperature for Sydney (Observatory Hill) was 18.9 °C, the equal seventh-warmest on record and equal to winter 2016
• The end of July was particularly warm, with many stations across the city recording their warmest July day on record on the 30th
• Observatory Hill recorded 25 days above 20 °C during the season and Parramatta North recorded 24 days, both of which are more than average but similar to the number of warm winter days in recent years
• Minimum temperatures at Observatory Hill were above the long-term average, but were slightly colder than average in the suburbs; winter minimum temperatures for Parramatta North were 6.4 °C for winter, 0.6 °C colder than average
• There were also more warm nights than average in the city centre, although fewer than average in the west; Observatory Hill reported 33 minimum temperatures above 10 °C (more than the average of 26), while Parramatta North reported 12 nights (below the average of 15)

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top