Fairfield weather in December

In December, Fairfield sees average daytime highs of 27°C and overnight lows near 17°C, with 58 mm of rain across 8.7 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 33% of the time in December, and the air most often feels humid.

Daylight stretches from about 14 h 06 min at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Fairfield's 10th-clearest and 2nd-windiest month. For the whole year in context, see Fairfield's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
58 mm
8.7 wet days
Daylight
14 h 12 min
5:45 AM – 8:00 PM
Cloud cover
58%
10th clearest
Wind
11 km/h
2nd windiest
Solar energy
6.53 kWh/m²
Travel score
6.7
out of 10

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

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Fairfield reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 33°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72617
82617
92617
102617
112617
122617
132617
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242718
252718
262718
272718
282718
292718
302718
312818

Fairfield weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34852
44753
54753
64654
74654
84654
94654
104654
114852
124753
134753
144753
154753
164753
174753
184852
194753
204753
214852
224852
234852
244852
254852
264951
274951
285050
295050
305149
315149

Chance of precipitation in December

Any precipitation

Fairfield gets around 58 mm of rain over 8.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
329
429
529
629
729
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1829
1929
2029
2129
2228
2328
2428
2528
2628
2728
2828
2928
3028
3128

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
133302970
233303080
332303080
432303080
531303090
630303190
7293031100
8293031100
9283032100
10273032110
11263132110
12253133110
13243133120
14233134120
15223034130
16223035130
17213035140
18202936140
19202937140
20202837140
21192838150
22192838150
23182739150
24182739150
25182640150
26172640160
27172641160
28172541170
29172541170
30162441180
31162441191

Wind in December

Winds average 11 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 14 h 06 min at the start of December to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:43 AM to 5:53 AM, and sunset from 7:49 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:437:49
214.15:437:49
314.15:437:50
414.15:437:51
514.15:437:52
614.25:437:53
714.25:437:53
814.25:437:54
914.25:437:55
1014.25:447:56
1114.25:447:56
1214.25:447:57
1314.25:447:58
1414.25:457:58
1514.25:457:59
1614.25:458:00
1714.25:458:00
1814.25:468:01
1914.35:468:01
2014.35:478:02
2114.35:478:02
2214.35:488:03
2314.35:488:03
2414.35:488:04
2514.35:498:04
2614.25:508:05
2714.25:508:05
2814.25:518:05
2914.25:518:06
3014.25:528:06
3114.25:538:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.53 kWh/m² — the sunniest month for solar.

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 — December's 6.53 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.7Intense
236.7Intense
246.8Intense
256.8Intense
266.8Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in December

Hazard calendar for Fairfield

In seasonPeak

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

Fairfield 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 December a good time to visit Fairfield?

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

6.7
Sightseeing
8th-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Fairfield in December

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

In December, Fairfield sees daytime highs around 27°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Fairfield in December

The nearest coast averages about 21°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 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 16 to Jun 2 — about 6.5 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
Jun19Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov20Refreshing
Dec21Refreshing

UV index in Fairfield in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Fairfield peaks around January 14 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 14UV 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 Fairfield in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Fairfield 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 Fairfield?

Fairfield sits at 33.9°S, 150.9°E, 26 m above sea level, in Australia. The nearest listed city is Cabramatta, 4.0 km away.

Topography around Fairfield

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

Within 3 km, the terrain around Fairfield has only modest variations in elevation — a maximum elevation change of 55 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 227 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,314 m.

The land around Fairfield is covered by artificial surfaces (78%) within 3 km, artificial surfaces (50%) and trees (33%) within 16 km, and trees (60%) and water (27%) within 80 km.

3 km
55 m
16 km
227 m
80 km
1,314 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Cabramatta 4.0 km · Greystanes 5.0 km · Merrylands 5.0 km · Granville 6.0 km · Liverpool 6.0 km · Parramatta 7.0 km · Yagoona 8.0 km · Westmead 8.0 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 Fairfield (-33.8667°, 150.95°, 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).