Gawler weather in December

In December, Gawler sees average daytime highs of 27°C and overnight lows near 14°C, with 27 mm of rain across 4.4 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of December to 14 h 18 min by month's end. Set against the rest of the year, December is Gawler's 4th-clearest and 4th-windiest month. For the whole year in context, see Gawler's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
27 mm
4.4 wet days
Daylight
14 h 18 min
6:02 AM – 8:20 PM
Cloud cover
44%
4th clearest
Wind
14 km/h
4th windiest
Solar energy
7.72 kWh/m²
Travel score
7.5
out of 10

Gawler is city in South Australia.

Founded
1836

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 26°C in the first days to 28°C by the end.

A typical December day in Gawler reaches about 27°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12613
22613
32613
42613
52613
62613
72613
82613
92614
102714
112714
122714
132714
142714
152714
162714
172714
182714
192714
202814
212814
222814
232815
242815
252815
262815
272815
282815
292815
302815
312915

Gawler weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 16°213.114.16.5
Feb29° / 16°162.313.36.9
Mar26° / 14°152.812.38.1
Apr22° / 11°294.511.27.7
May18° / 35710.26.3
Jun15° / 448.29.74.8
Jul14° / 459.59.94.3
Aug15° / 489.410.74.8
Sep18° / 498.211.86.2
Oct21° / 335.612.97.3
Nov25° / 12°28513.87.8
Dec27° / 14°274.414.37.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36337
46238
56139
66139
76139
86040
96040
105941
115941
125941
136040
146040
156040
166040
176139
186139
196238
206337
216436
226634
236634
246733
256931
267030
277129
287228
297327
307426
317426

Chance of precipitation in December

Any precipitation

Gawler gets around 27 mm of rain over 4.4 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 14% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
416
516
616
716
816
916
1016
1116
1216
1316
1416
1515
1615
1715
1814
1914
2014
2113
2213
2313
2412
2512
2611
2711
2811
2911
3011
3110

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
190910
290910
390910
490910
590910
689920
789920
889920
989920
10881020
11871030
12871030
13871030
14861040
1587940
1687940
1787940
1887940
1987940
2087940
2187940
2287940
2388930
2488831
2588831
2688831
2788831
2889821
2989821
3089821
3189821

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 06 min at the start of December to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 6:00 AM to 6:10 AM, and sunset from 8:09 PM to 8:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:008:09
214.26:008:10
314.26:008:11
414.26:008:12
514.26:008:13
614.26:008:13
714.26:008:14
814.26:008:15
914.36:008:16
1014.36:018:16
1114.36:018:17
1214.36:018:18
1314.36:018:18
1414.36:018:19
1514.36:028:20
1614.36:028:20
1714.36:028:21
1814.36:038:22
1914.36:038:22
2014.36:038:23
2114.36:048:23
2214.36:048:24
2314.36:058:24
2414.36:058:24
2514.36:068:25
2614.36:068:25
2714.36:078:26
2814.36:088:26
2914.36:088:26
3014.36:098:27
3114.36:108:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.72 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 8 kWh/m² in January across the year — December's 7.72 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.6Intense
107.6Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.7Intense
167.7Intense
177.7Intense
187.7Intense
197.8Intense
207.8Intense
217.9Intense
227.9Intense
238.0Intense
248.0Intense
258.1Intense
268.1Intense
278.2Intense
288.2Intense
298.3Intense
308.3Intense
318.3Intense
Planning a trip in December

Hazard calendar for Gawler

In seasonPeak

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

Gawler 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 Gawler?

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

7.5
Sightseeing
4th-best month of the year
7.7
Beach & pool
3rd-best month of the year

December is one of the better times to visit Gawler for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Gawler in December

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

In December, Gawler sees daytime highs around 27°C and nights near 14°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Gawler in December

The nearest coast averages about 20°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 34 km away) is warmest in February at about 22°C and coldest in August near 13°C.

It's comfortable for a long swim from Dec 17 to Apr 4 — about 3.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar21Refreshing
Apr19Cool
May17Cool
Jun15Bracing
Jul13Bracing
Aug13Bracing
Sep14Bracing
Oct16Cool
Nov18Cool
Dec20Refreshing

UV index in Gawler in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gawler peaks around January 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 10UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Gawler?

Gawler sits at 34.6°S, 138.7°E, 57 m above sea level, in Australia. The nearest listed city is Paralowie, 21 km away.

Topography around Gawler

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

Within 3 km, the terrain around Gawler has only modest variations in elevation — a maximum elevation change of 131 m around an average of 75 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 374 m; within 80 km, large variations in elevation — a maximum elevation change of 700 m.

The land around Gawler is covered by artificial surfaces (35%) and grassland (32%) within 3 km, cropland (46%) and grassland (30%) within 16 km, and cropland (33%), grassland (30%) and water (21%) within 80 km.

3 km
131 m
16 km
374 m
80 km
700 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Paralowie 21 km · Parafield Gardens 24 km · Adelaide Hills 35 km · Adelaide city centre 39 km · Adelaide 39 km · Mount Barker 53 km · Morphett Vale 63 km · Whyalla 206 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 Gawler (-34.6025°, 138.749°, elevation 57 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).