Parramatta weather in January

In January, Parramatta sees average daytime highs of 28°C and overnight lows near 19°C, with 66 mm of rain across 9.1 wet days and about 14 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 34% of the time in January, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Parramatta's 9th-clearest and 2nd-windiest month. For the whole year in context, see Parramatta's year-round climate.

Daytime high
28°
1st warmest
Overnight low
19°
12th coldest
Rainfall
66 mm
9.1 wet days
Daylight
14 hours
6:05 AM – 8:06 PM
Cloud cover
57%
9th clearest
Wind
11 km/h
2nd windiest
Solar energy
6.52 kWh/m²
Travel score
6.2
out of 10

Parramatta is suburb of Sydney, New South Wales, Australia.

Founded
1788

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Parramatta reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 34°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Parramatta weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°669.1146.2
Feb27° / 19°841013.36.3
Mar26° / 17°6610.612.36.8
Apr23° / 13°517.811.27.4
May20° / 10°456.310.37.1
Jun18° / 617.49.86.3
Jul17° / 355.7106.5
Aug19° / 355.210.77.2
Sep22° / 10°396.111.87.5
Oct24° / 13°497.312.97.5
Nov25° / 15°668.613.87.0
Dec27° / 17°588.714.26.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45248
55248
65248
75248
85248
95248
105248
115248
125149
135149
145248
155149
165149
175149
185050
195050
205050
215050
224951
235050
245050
255050
265050
275050
284951
295050
305149
315050

Chance of precipitation in January

Any precipitation

Parramatta gets around 66 mm of rain over 9.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1428
1529
1629
1729
1830
1930
2030
2131
2231
2331
2431
2531
2631
2731
2831
2932
3032
3132

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1162341191
2162340201
3162240211
4162240221
5152139231
6152139241
7152139251
8142138261
9142038271
10132038281
11132038281
12122038291
13122037301
14112037302
15111937312
16101937322
1791936333
1891836343
1981836353
2081736364
2171735374
2271635375
2371634385
2471634395
2571533405
2671533405
2771533406
2871533406
2971533406
3071533406
3171533406

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 12 min at the start of January to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 5:53 AM to 6:19 AM, and sunset from 8:06 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:538:06
214.25:538:06
314.25:548:06
414.25:558:06
514.25:568:06
614.25:568:06
714.25:578:06
814.15:588:06
914.15:598:06
1014.16:008:06
1114.16:008:06
1214.16:018:06
1314.16:028:06
1414.16:038:06
1514.06:048:06
1614.06:058:06
1714.06:068:06
1814.06:068:05
1914.06:078:05
2013.96:088:05
2113.96:098:05
2213.96:108:04
2313.96:118:04
2413.96:128:03
2513.86:138:03
2613.86:148:03
2713.86:158:02
2813.86:168:02
2913.76:178:01
3013.76:188:00
3113.76:198:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.52 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 6.53 kWh/m² in December across the year — January's 6.52 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.8Intense
66.8Intense
76.8Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Parramatta

In seasonPeak

In January, Parramatta sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Parramatta sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Parramatta?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.2
Sightseeing
12th-best month of the year
7.0
Beach & pool
1st-best month of the year

January is a reasonable time to visit Parramatta for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Parramatta in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Parramatta sees daytime highs around 28°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Parramatta in January

The nearest coast averages about 23°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in February at about 23°C and coldest in August near 18°C.

It's comfortable for a long swim from Nov 13 to Jun 7 — about 6.8 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar23Refreshing
Apr22Refreshing
May21Refreshing
Jun20Cool
Jul19Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov20Refreshing
Dec21Refreshing

UV index in Parramatta in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Parramatta peaks around January 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Parramatta in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Parramatta is worst in December — around 49 µg/m³ PM2.5 (poor), about 8.1× the cleanest month (June, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorDec 1545 µg/m³Jun 236 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun6Good
Jul6Good
Aug8Good
Sep10Good
Oct10Good
Nov25Moderate
Dec49Poor
Location & terrain

Where is Parramatta?

Parramatta sits at 33.8°S, 151.0°E, 26 m above sea level, in Australia. The nearest listed city is Westmead, 2.0 km away.

Topography around Parramatta

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Parramatta.

Within 3 km, the terrain around Parramatta has only modest variations in elevation — a maximum elevation change of 71 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 249 m; within 80 km, large variations in elevation — a maximum elevation change of 1,169 m.

The land around Parramatta is covered by artificial surfaces (66%) and trees (26%) within 3 km, artificial surfaces (50%) and trees (38%) within 16 km, and trees (59%) and water (28%) within 80 km.

3 km
71 m
16 km
249 m
80 km
1,169 m
treesgrasslandartificial surfacesbare terrainwater
January weather nearby: Westmead 2.0 km · Merrylands 3.0 km · Granville 3.0 km · Auburn 5.0 km · Greystanes 5.0 km · Carlingford 6.0 km · Lidcombe 6.0 km · Baulkham Hills 7.0 km

Australia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$65,130
2025
Happiness
6.9 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
Religion
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Parramatta (-33.8178°, 151.0035°, elevation 26 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).