Devonport weather in December

In December, Devonport sees average daytime highs of 20°C and overnight lows near 10°C, with 64 mm of rain across 8.5 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 24% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of December to 14 h 54 min by month's end. Set against the rest of the year, December is Devonport's 8th-clearest and 2nd-windiest month. For the whole year in context, see Devonport's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
10°
9th coldest
Rainfall
64 mm
8.5 wet days
Daylight
15 hours
5:42 AM – 8:39 PM
Cloud cover
62%
8th clearest
Wind
12 km/h
2nd windiest
Solar energy
6.98 kWh/m²
Travel score
6.5
out of 10

Devonport is city in Tasmania, Australia.

Air quality
Good
PM2.5 6 µg/m³ · 2019
Density
225/km²
people per km²
Founded
1890

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 19°C in the first days to 21°C by the end.

A typical December day in Devonport reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°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)
1199
2199
3199
4199
5199
6199
71910
81910
91910
102010
112010
122010
132010
142010
152010
162010
172010
182010
192010
202010
212010
222010
232110
242110
252111
262111
272111
282111
292111
302111
312111

Devonport weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 12°607.314.67.1
Feb22° / 12°527.113.77.0
Mar20° / 10°527.612.36.7
Apr17° / 598.110.95.5
May14° / 739.29.74.2
Jun12° / 779.99.13.2
Jul11° / 9211.89.32.8
Aug12° / 941310.43.0
Sep14° / 9012.511.73.6
Oct16° / 7410.713.14.7
Nov18° / 719.714.35.8
Dec20° / 10°648.514.96.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44159
54060
64060
74060
84258
94258
104258
114258
124357
134357
144456
154456
164456
174456
184555
194654
204654
214654
224654
234753
244654
254753
264852
274951
284852
295050
305050
315050

Chance of precipitation in December

Any precipitation

Devonport gets around 64 mm of rain over 8.5 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 27% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
330
430
530
629
729
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1827
1927
2027
2127
2227
2327
2427
2526
2626
2725
2825
2924
3024
3123

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19271
29271
39271
49271
59271
69271
79271
89271
99181
109181
119181
129181
139181
149181
159091
169091
179091
189091
199091
209091
219091
229091
2389101
2489101
2589101
2689101
2789101
2888111
2988111
3088111
3186122

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 42 min at the start of December to 14 h 54 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 5:42 AM to 5:50 AM, and sunset from 8:27 PM to 8:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:428:27
214.85:428:28
314.85:418:29
414.85:418:30
514.85:418:31
614.85:418:32
714.95:418:32
814.95:418:33
914.95:418:34
1014.95:418:35
1114.95:418:36
1214.95:418:37
1314.95:418:37
1414.95:428:38
1514.95:428:39
1615.05:428:39
1715.05:428:40
1815.05:438:41
1915.05:438:41
2015.05:448:42
2115.05:448:42
2215.05:448:43
2315.05:458:43
2415.05:458:44
2515.05:468:44
2615.05:478:44
2715.05:478:45
2815.05:488:45
2914.95:488:45
3014.95:498:45
3114.95:508:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.98 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 7.03 kWh/m² in January across the year — December's 6.98 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.1Intense
207.1Intense
217.2Intense
227.2Intense
237.2Intense
247.3Intense
257.3Intense
267.4Intense
277.4Intense
287.4Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in December

Is December a good time to visit Devonport?

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

6.5
Sightseeing
4th-best month of the year
3.4
Beach & pool
4th-best month of the year

December is a reasonable time to visit Devonport for sightseeing.

What to pack for Devonport in December

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

In December, Devonport sees daytime highs around 20°C and nights near 10°C. Pack sun protection. Worth having: rain gear. About 9 days see rain.

sun protectionrain gear

Sea temperature near Devonport in December

The nearest coast averages about 16°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 18°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°12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb18Cool
Mar18Cool
Apr17Cool
May15Cool
Jun14Bracing
Jul13Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov14Bracing
Dec16Cool

UV index in Devonport 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 Devonport peaks around December 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highExtremeDec 21UV 11Jun 19UV 1
UV index (midday)Level
Jan11Extreme
Feb9Very high
Mar8Very high
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct6High
Nov8Very high
Dec12Extreme
Location & terrain

Where is Devonport?

Devonport sits at 41.2°S, 146.4°E, 28 m above sea level, in Australia. The nearest listed city is Burnie, 40 km away.

TraralgonWarragulMount MarthaMorningtonLangwarrin

Topography around Devonport

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

Within 3 km, the terrain around Devonport has only modest variations in elevation — a maximum elevation change of 143 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 480 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Devonport is covered by artificial surfaces (35%) and water (27%) within 3 km, water (43%), grassland (26%) and trees (21%) within 16 km, and trees (45%), water (30%) and grassland (23%) within 80 km.

3 km
143 m
16 km
480 m
80 km
1,533 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Burnie 40 km · Launceston 72 km · Hobart 206 km · Traralgon 332 km · Warragul 337 km · Mount Martha 343 km · Mornington 348 km · Langwarrin 350 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 Devonport (-41.1769°, 146.3515°, elevation 28 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).