Warrnambool weather in January

In January, Warrnambool sees average daytime highs of 21°C and overnight lows near 14°C, with 46 mm of rain across 5.9 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 10th-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 34% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of January to 14 hours by month's end. Set against the rest of the year, January is Warrnambool's 1st-clearest and 9th-windiest month. For the whole year in context, see Warrnambool's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
46 mm
5.9 wet days
Daylight
14 h 24 min
6:27 AM – 8:51 PM
Cloud cover
54%
1st clearest
Wind
18 km/h
9th windiest
Solar energy
6.96 kWh/m²
Travel score
7.2
out of 10

Warrnambool is city in Victoria, Australia.

Founded
1855

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical January day in Warrnambool reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°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, January runs about 2°C warmer than December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12014
22014
32014
42014
52014
62114
72114
82114
92114
102114
112114
122114
132114
142114
152114
162114
172114
182114
192114
202115
212115
222115
232115
242115
252115
262115
272115
282115
292115
302115
312115

Warrnambool weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 14°465.914.47.2
Feb21° / 15°314.813.57.2
Mar20° / 14°406.812.36.7
Apr18° / 13°548.9115.7
May15° / 11°7411.69.94.5
Jun14° / 10°8612.89.43.5
Jul13° / 9914.49.63.2
Aug13° / 11315.410.53.3
Sep15° / 10°8814.311.73.9
Oct16° / 10°6510.9134.8
Nov18° / 12°619.114.15.7
Dec19° / 13°528.214.66.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35149
45248
55248
65347
75347
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205347
215347
225347
235347
245347
255347
265347
275446
285446
295446
305446
315347

Chance of precipitation in January

Any precipitation

Warrnambool gets around 46 mm of rain over 5.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
219
319
418
518
618
717
817
917
1017
1117
1217
1317
1417
1517
1617
1718
1818
1919
2019
2120
2220
2320
2420
2521
2621
2720
2820
2920
3020
3119

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1742330
2742330
3722440
4702541
5702541
6702541
7692641
8692641
9682651
10682651
11682651
12672751
13672751
14652852
15652852
16632962
17632962
18623062
19613072
20613072
21603172
22593182
23583282
24583282
25573292
26573391
27573391
285633101
295534101
305534101
315434111

Wind in January

Winds average 18 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 14 h 36 min at the start of January to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over January. Sunrise moves from 6:14 AM to 6:43 AM, and sunset from 8:52 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.66:148:52
214.66:158:52
314.66:168:52
414.66:178:53
514.66:178:53
614.66:188:53
714.66:198:53
814.56:208:53
914.56:218:53
1014.56:228:52
1114.56:238:52
1214.56:238:52
1314.56:248:52
1414.46:258:52
1514.46:268:52
1614.46:278:51
1714.46:288:51
1814.46:298:51
1914.36:308:50
2014.36:318:50
2114.36:328:49
2214.36:348:49
2314.26:358:48
2414.26:368:48
2514.26:378:47
2614.16:388:47
2714.16:398:46
2814.16:408:46
2914.16:418:45
3014.06:428:44
3114.06:438:43

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.96 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 6.96 kWh/m² in January across the year — January's 6.96 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.1Intense
87.1Intense
97.1Intense
107.1Intense
117.0Intense
127.0Intense
137.0Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.7Intense
236.7Intense
246.7Intense
256.6Intense
266.6Intense
276.6Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in January

Is January a good time to visit Warrnambool?

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

7.2
Sightseeing
1st-best month of the year
4.3
Beach & pool
2nd-best month of the year

January is one of the better times to visit Warrnambool for general sightseeing.

What to pack for Warrnambool in January

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

In January, Warrnambool sees daytime highs around 21°C and nights near 14°C. Pack sun protection. About 6 days see rain.

sun protection

Sea temperature near Warrnambool in January

The nearest coast averages about 18°C in January — 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 September near 14°C.

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

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan18Cool
Feb18Cool
Mar17Cool
Apr16Cool
May16Cool
Jun15Cool
Jul14Bracing
Aug14Bracing
Sep14Bracing
Oct14Bracing
Nov15Cool
Dec16Cool

UV index in Warrnambool in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Warrnambool 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 19UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep4Moderate
Oct7High
Nov9Very high
Dec12Extreme
Location & terrain

Where is Warrnambool?

Warrnambool sits at 38.4°S, 142.5°E, 24 m above sea level, in Australia. The nearest listed city is Ballarat, 150 km away.

Topography around Warrnambool

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

Within 3 km, the terrain around Warrnambool has only modest variations in elevation — a maximum elevation change of 51 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, significant variations in elevation — a maximum elevation change of 426 m.

The land around Warrnambool is covered by grassland (37%) and artificial surfaces (31%) within 3 km, water (44%) and grassland (43%) within 16 km, and grassland (50%) and water (32%) within 80 km.

3 km
51 m
16 km
103 m
80 km
426 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Ballarat 150 km · Torquay 160 km · Highton 161 km · Mount Gambier 162 km · Geelong 166 km · Corio 169 km · Lara 172 km · Horsham 187 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 Warrnambool (-38.3818°, 142.488°, elevation 24 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).