Glenmore Park weather in December

In December, Glenmore Park sees average daytime highs of 27°C and overnight lows near 16°C, with 75 mm of rain across 10.2 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 5th-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 comfortable.

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 Glenmore Park's 10th-clearest and 4th-windiest month. For the whole year in context, see Glenmore Park's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
75 mm
10.2 wet days
Daylight
14 h 12 min
5:46 AM – 8:01 PM
Cloud cover
59%
10th clearest
Wind
9 km/h
4th windiest
Solar energy
6.46 kWh/m²
Travel score
6.3
out of 10

Glenmore Park 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 Glenmore Park reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12715
22715
32715
42715
52715
62715
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192816
202816
212816
222816
232817
242817
252817
262817
272817
282817
292817
302817
312817

Glenmore Park weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°7711145.5
Feb28° / 18°10011.413.35.9
Mar26° / 16°7610.912.36.7
Apr23° / 12°476.811.27.5
May20° / 415.410.37.2
Jun17° / 556.79.86.3
Jul17° / 314.7106.5
Aug19° / 334.610.77.3
Sep22° / 405.711.87.6
Oct24° / 11°537.612.97.5
Nov26° / 14°781013.86.7
Dec27° / 16°7510.214.26.3

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 14% of December, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34654
44753
54654
64654
74555
84555
94555
104456
114456
124555
134555
144555
154654
164654
174555
184654
194654
204654
214654
224753
234753
244852
254852
264852
274951
284951
294951
305050
314951

Chance of precipitation in December

Any precipitation

Glenmore Park gets around 75 mm of rain over 10.2 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
933
1033
1133
1233
1333
1433
1533
1633
1734
1834
1934
2034
2134
2234
2333
2433
2533
2633
2733
2833
2933
3033
3133

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14030256
23930256
33830256
43730257
53731267
63631267
73532268
83432268
93333268
103233278
113133279
123033289
132933289
1428332910
1527332910
1626333010
1726333110
1825323210
1924323310
2024323410
2123323510
2223313510
2322313610
2422313710
2521313711
2621313811
2720303811
2820303812
2919303912
3019293912
3119283913

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:45 AM to 5:54 AM, and sunset from 7:50 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:457:50
214.15:457:50
314.15:447:51
414.15:447:52
514.15:447:53
614.25:457:54
714.25:457:54
814.25:457:55
914.25:457:56
1014.25:457:57
1114.25:457:57
1214.25:457:58
1314.25:467:59
1414.25:467:59
1514.25:468:00
1614.25:468:01
1714.25:478:01
1814.25:478:02
1914.25:488:02
2014.25:488:03
2114.25:488:03
2214.25:498:04
2314.25:498:04
2414.25:508:05
2514.25:508:05
2614.25:518:05
2714.25:518:06
2814.25:528:06
2914.25:538:06
3014.25:538:07
3114.25:548:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.46 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 6.46 kWh/m² in December across the year — December's 6.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in December

Hazard calendar for Glenmore Park

In seasonPeak

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

Glenmore Park 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 Glenmore Park?

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

6.3
Sightseeing
9th-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Glenmore Park in December

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

In December, Glenmore Park sees daytime highs around 27°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Glenmore Park 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 56 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 Glenmore Park in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Glenmore Park peaks around January 17 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 17UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov10Very high
Dec11Extreme

Air quality in Glenmore Park 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 Glenmore Park 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 Glenmore Park?

Glenmore Park sits at 33.8°S, 150.7°E, 48 m above sea level, in Australia. The nearest listed city is Cranebrook, 10 km away.

Topography around Glenmore Park

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

Within 3 km, the terrain around Glenmore Park has only modest variations in elevation — a maximum elevation change of 197 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 622 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,382 m.

The land around Glenmore Park is covered by trees (44%), artificial surfaces (29%) and grassland (25%) within 3 km, trees (59%) and grassland (25%) within 16 km, and trees (68%) within 80 km.

3 km
197 m
16 km
622 m
80 km
1,382 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Cranebrook 10 km · St Clair 11 km · Mount Druitt 14 km · Quakers Hill 21 km · Blacktown 23 km · Seven Hills 24 km · Prestons 25 km · Glenwood 25 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 Glenmore Park (-33.7907°, 150.6693°, elevation 48 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).