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Parramatta, New South Wales climate

Cfa Humid subtropical

Parramatta has a mildly seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is January with an average daily high near 29°C, while the coldest is July averaging around 6°C at night. Around 931 mm of precipitation falls each year, peaking in February (135 mm) and easing off in August (48 mm).

☀️ Summers
Warm
Highs near 29°C in January.
About 30 days a year above 32 °C
❄️ Winters
Cool
Lows near 6°C in July.
🌧️ Rain
Moderate rainfall
About 931 mm of rain a year.
Wettest in February
Sky & trend
Partly cloudy
A roughly even mix of sun and cloud.
+0.4 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures TEMPERATURE °C 10°20°30°40° PRECIPITATION (mm) 070140 JanAprJulOct

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts 0%25%50%75%100% JanAprJulOct Cloudy Partly Cloudy Clear

Parramatta climate normals (1991–2020)

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)292826242118181922242628
Avg temp (°C)232321181513121316182022
Avg low (°C)18181613107679121416
Precipitation (mm)8913599786399484849618081
Jan – JunJanFebMarAprMayJun
Avg high (°C)292826242118
Avg temp (°C)232321181513
Avg low (°C)18181613107
Precipitation (mm)8913599786399
Jul – DecJulAugSepOctNovDec
Avg high (°C)181922242628
Avg temp (°C)121316182022
Avg low (°C)679121416
Precipitation (mm)484849618081

How often — frequency of weather events

JanFebMarAprMayJunJulAugSepOctNovDec
Days with measurable rain (days)1212141010121089101211
Days with high ≥ 32°C (days)8630.40.5246
Days with low ≤ 0°C (days)0.2
Jan – JunJanFebMarAprMayJun
Days with measurable rain (days)121214101012
Days with high ≥ 32°C (days)8630.4
Days with low ≤ 0°C (days)
Jul – DecJulAugSepOctNovDec
Days with measurable rain (days)1089101211
Days with high ≥ 32°C (days)0.5246
Days with low ≤ 0°C (days)0.2

Sky & atmosphere

JanFebMarAprMayJunJulAugSepOctNovDec
Cloud cover (%)616159535356494447566361
Clear days (≤ 30% cloud)666887101210756
Partly cloudy days (30–70%)111012121311111212121211
Cloudy days (≥ 70%)141313101012978121414
Relative humidity (%)757675737275737069707373
Wind speed (mph)7.27.27.16.87.17.57.47.57.17.07.27.1
Jan – JunJanFebMarAprMayJun
Cloud cover (%)616159535356
Clear days (≤ 30% cloud)666887
Partly cloudy days (30–70%)111012121311
Cloudy days (≥ 70%)141313101012
Relative humidity (%)757675737275
Wind speed (mph)7.27.27.16.87.17.5
Jul – DecJulAugSepOctNovDec
Cloud cover (%)494447566361
Clear days (≤ 30% cloud)101210756
Partly cloudy days (30–70%)111212121211
Cloudy days (≥ 70%)978121414
Relative humidity (%)737069707373
Wind speed (mph)7.47.57.17.07.27.1
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Parramatta North (masons Drive, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →