Traralgon weather in December

In December, Traralgon sees average daytime highs of 22°C and overnight lows near 11°C, with 67 mm of rain across 9.7 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 26% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of December to 14 h 36 min by month's end. Set against the rest of the year, December is Traralgon's 4th-clearest and 4th-windiest month. For the whole year in context, see Traralgon's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
11°
9th coldest
Rainfall
67 mm
9.7 wet days
Daylight
14 h 36 min
5:51 AM – 8:29 PM
Cloud cover
62%
4th clearest
Wind
11 km/h
4th windiest
Solar energy
6.69 kWh/m²
Travel score
6.7
out of 10

Traralgon is city in Victoria, Australia.

Density
1,126/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical December day in Traralgon reaches about 22°C in the afternoon and slips back to 11°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 30°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12110
22110
32110
42110
52110
62110
72210
82210
92210
102210
112210
122210
132211
142211
152211
162211
172211
182211
192211
202311
212311
222311
232311
242311
252311
262311
272311
282312
292312
302312
312412

Traralgon weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 13°547.914.47.3
Feb24° / 13°496.813.57.4
Mar22° / 11°427.312.37.0
Apr19° / 528.2116.1
May15° / 488.9104.7
Jun13° / 55109.43.4
Jul12° / 5210.99.63.1
Aug13° / 6512.810.53.5
Sep15° / 7712.911.74.3
Oct18° / 7912.5135.4
Nov20° / 8110.814.16.1
Dec22° / 11°679.714.66.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
73961
84060
93961
103961
114060
124060
134060
144060
154060
164060
174060
184060
194159
204159
214159
224258
234258
244357
254456
264357
274555
284555
294555
304654
314654

Chance of precipitation in December

Any precipitation

Traralgon gets around 67 mm of rain over 9.7 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 31% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
435
535
635
734
834
933
1033
1133
1232
1332
1432
1531
1631
1731
1831
1930
2030
2130
2230
2329
2429
2529
2628
2728
2828
2928
3028
3128

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801640
2801640
3791740
4791740
5791740
6791740
7781840
8781840
9781840
10771850
11771850
12761950
13761950
14761950
15761950
16751960
17751960
18751960
19742060
20742060
21742060
22732070
23732070
24732070
25722170
26702181
27702181
28702181
29692281
30692281
31682381

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 30 min at the start of December to 14 h 36 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 5:50 AM to 5:58 AM, and sunset from 8:17 PM to 8:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:508:17
214.55:508:18
314.55:498:19
414.55:498:20
514.55:498:21
614.55:498:22
714.65:498:23
814.65:498:24
914.65:498:24
1014.65:498:25
1114.65:508:26
1214.65:508:27
1314.65:508:27
1414.65:508:28
1514.65:508:29
1614.65:518:29
1714.65:518:30
1814.75:518:30
1914.75:528:31
2014.75:528:32
2114.75:538:32
2214.75:538:33
2314.75:548:33
2414.75:548:33
2514.75:558:34
2614.75:558:34
2714.65:568:35
2814.65:568:35
2914.65:578:35
3014.65:588:35
3114.65:588:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.69 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 6.89 kWh/m² in January across the year — December's 6.69 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.9Intense
226.9Intense
237.0Intense
247.0Intense
257.0Intense
267.1Intense
277.1Intense
287.1Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Is December a good time to visit Traralgon?

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

6.7
Sightseeing
4th-best month of the year
4.8
Beach & pool
4th-best month of the year

December is a reasonable time to visit Traralgon for sightseeing.

What to pack for Traralgon in December

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

In December, Traralgon sees daytime highs around 22°C and nights near 11°C. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Traralgon in December

The nearest coast averages about 17°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 55 km away) is warmest in February at about 19°C and coldest in August near 12°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar19Cool
Apr17Cool
May16Cool
Jun14Bracing
Jul13Bracing
Aug12Bracing
Sep13Bracing
Oct14Bracing
Nov15Cool
Dec17Cool

UV index in Traralgon 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 Traralgon peaks around December 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 21UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar8Very high
Apr5Moderate
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep4Moderate
Oct8Very high
Nov9Very high
Dec12Extreme

Air quality in Traralgon 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 Traralgon is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1417 µg/m³Jul 216 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar14Moderate
Apr17Moderate
May11Good
Jun8Good
Jul6Good
Aug6Good
Sep7Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Traralgon?

Traralgon sits at 38.2°S, 146.5°E, 46 m above sea level, in Australia. The nearest listed city is Warragul, 53 km away.

Topography around Traralgon

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

Within 3 km, the terrain around Traralgon has only modest variations in elevation — a maximum elevation change of 73 m around an average of 52 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 518 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,725 m.

The land around Traralgon is covered by grassland (40%) and artificial surfaces (35%) within 3 km, grassland (48%) and trees (38%) within 16 km, and trees (45%) and grassland (32%) within 80 km.

3 km
73 m
16 km
518 m
80 km
1,725 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Warragul 53 km · Pakenham 94 km · Officer 100 km · Bairnsdale 102 km · Berwick 106 km · Cranbourne East 109 km · Cranbourne North 109 km · Narre Warren 110 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 Traralgon (-38.1953°, 146.5415°, elevation 46 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. 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).