Brighton weather in December

In December, Brighton sees average daytime highs of 21°C and overnight lows near 15°C, with 65 mm of rain across 9.1 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of December to 14 h 36 min by month's end. Set against the rest of the year, December is Brighton's 4th-clearest and 6th-windiest month. For the whole year in context, see Brighton's year-round climate.

Daytime high
21°
4th warmest
Overnight low
15°
9th coldest
Rainfall
65 mm
9.1 wet days
Daylight
14 h 36 min
5:58 AM – 8:35 PM
Cloud cover
57%
4th clearest
Wind
18 km/h
6th windiest
Solar energy
7 kWh/m²
Travel score
6.6
out of 10

Brighton is suburb of Melbourne, Victoria, 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 21°C through the month.

A typical December day in Brighton reaches about 21°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12014
22014
32014
42014
52014
62014
72014
82014
92014
102014
112014
122014
132014
142014
152114
162115
172115
182115
192115
202115
212115
222115
232115
242115
252115
262115
272115
282115
292115
302115
312115

Brighton weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 16°516.414.37.4
Feb23° / 17°496.413.57.4
Mar21° / 15°457.812.37.0
Apr18° / 13°629116.0
May16° / 11°6410.8104.7
Jun13° / 10°6711.59.43.6
Jul13° / 57129.63.3
Aug13° / 6712.110.53.5
Sep15° / 10°6912.411.74.2
Oct17° / 11°6811135.2
Nov19° / 13°669.5146.1
Dec21° / 15°659.114.66.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44852
54852
64852
74852
84852
94852
104951
114852
124852
134852
144852
154852
164852
174852
184852
194951
204951
214951
224951
235050
245050
255050
265149
275248
285248
295347
305347
315446

Chance of precipitation in December

Any precipitation

Brighton gets around 65 mm of rain over 9.1 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 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
530
630
730
830
930
1030
1129
1229
1329
1429
1529
1629
1729
1829
1929
2029
2129
2229
2329
2428
2528
2628
2727
2827
2926
3026
3125

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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1742060
2732070
3732070
4722170
5722170
6722170
7712270
8712270
9702370
10702370
11692470
12692470
13682570
14672580
15672580
16662680
17662680
18652690
19642790
20642790
21642790
22632890
236228100
246228100
256129100
266129100
276030100
286030100
295831101
305732101
315632111

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 24 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 12 minutes over December. Sunrise moves from 5:57 AM to 6:05 AM, and sunset from 8:23 PM to 8:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:578:23
214.55:578:24
314.55:568:25
414.55:568:25
514.55:568:26
614.55:568:27
714.55:568:28
814.55:568:29
914.65:568:30
1014.65:568:30
1114.65:578:31
1214.65:578:32
1314.65:578:33
1414.65:578:33
1514.65:578:34
1614.65:588:35
1714.65:588:35
1814.65:588:36
1914.65:598:36
2014.65:598:37
2114.66:008:37
2214.66:008:38
2314.66:018:38
2414.66:018:39
2514.66:028:39
2614.66:028:40
2714.66:038:40
2814.66:038:40
2914.66:048:40
3014.66:058:41
3114.66:058:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7 kWh/m².

For context, solar energy here swings from a low near 1.82 kWh/m² to a high of 7.22 kWh/m² in January across the year — December's 7 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.2Intense
227.2Intense
237.2Intense
247.3Intense
257.3Intense
267.3Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.5Intense
Planning a trip in December

Hazard calendar for Brighton

In seasonPeak

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

Brighton 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 Brighton?

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

6.6
Sightseeing
4th-best month of the year
3.8
Beach & pool
4th-best month of the year

December is a reasonable time to visit Brighton for sightseeing.

What to pack for Brighton in December

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

In December, Brighton sees daytime highs around 21°C and nights near 15°C. Pack sun protection. Worth having: rain gear. About 9 days see rain.

sun protectionrain gear

Sea temperature near Brighton in December

The nearest coast averages about 19°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 21°C and coldest in August near 11°C.

It's comfortable for a long swim from Jan 15 to Mar 11 — about 1.8 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb21Refreshing
Mar20Cool
Apr18Cool
May15Cool
Jun13Bracing
Jul12Bracing
Aug11Bracing
Sep12Bracing
Oct14Bracing
Nov17Cool
Dec19Cool

UV index in Brighton 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 Brighton peaks around December 19 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 19UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar8Very high
Apr5Moderate
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep4Moderate
Oct7Very high
Nov10Very high
Dec12Extreme
Location & terrain

Where is Brighton?

Brighton sits at 37.9°S, 145.0°E, 20 m above sea level, in Australia. The nearest listed city is Brighton East, 1.0 km away.

Topography around Brighton

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

Within 3 km, the terrain around Brighton has only modest variations in elevation — a maximum elevation change of 45 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 167 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,302 m.

The land around Brighton is covered by artificial surfaces (56%) and water (21%) within 3 km, water (40%) and artificial surfaces (38%) within 16 km, and grassland (33%), trees (30%) and water (22%) within 80 km.

3 km
45 m
16 km
167 m
80 km
1,302 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Brighton East 1.0 km · Bentleigh 3.0 km · Elwood 3.0 km · Caulfield North 4.0 km · Saint Kilda 5.0 km · Bentleigh East 5.0 km · Carnegie 5.0 km · Malvern East 5.0 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 Brighton (-37.9056°, 145.0028°, elevation 20 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).