Warrnambool weather in May

In May, Warrnambool sees average daytime highs of 15°C and overnight lows near 11°C, with 74 mm of rain across 11.6 wet days and about 9.9 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 15°C by the end. The sky is clear or mostly clear about 13% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of May to 9 h 30 min by month's end. Set against the rest of the year, May is Warrnambool's 12th-clearest and 8th-windiest month. For the whole year in context, see Warrnambool's year-round climate.

Daytime high: 15°; 8th warmest
Overnight low: 11°; 6th coldest
Rainfall: 74 mm; 11.6 wet days
Daylight: 9 h 54 min; 8:29 AM – 6:24 PM
Cloud cover: 70%; 12th clearest
Wind: 18 km/h; 8th windiest
Solar energy: 2.08 kWh/m²
Travel score: 4.5; out of 10

Warrnambool is city in Victoria, Australia.

Founded: 1855

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

← April Warrnambool year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 15°C by the end.

A typical May day in Warrnambool reaches about 15°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	16	16	16	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	14	14
Avg low (°C)	12	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11

	Avg high (°C)	Avg low (°C)
1	16	12
2	16	12
3	16	12
4	16	12
5	16	12
6	16	12
7	16	12
8	16	12
9	16	12
10	16	11
11	16	11
12	16	11
13	16	11
14	15	11
15	15	11
16	15	11
17	15	11
18	15	11
19	15	11
20	15	11
21	15	11
22	15	11
23	15	11
24	15	11
25	15	11
26	15	11
27	15	11
28	15	11
29	15	11
30	14	11
31	14	11

Warrnambool weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	21° / 14°	46	5.9	14.4	7.2
Feb	21° / 15°	31	4.8	13.5	7.2
Mar	20° / 14°	40	6.8	12.3	6.7
Apr	18° / 13°	54	8.9	11	5.7
May	15° / 11°	74	11.6	9.9	4.5
Jun	14° / 10°	86	12.8	9.4	3.5
Jul	13° / 9°	99	14.4	9.6	3.2
Aug	13° / 9°	113	15.4	10.5	3.3
Sep	15° / 10°	88	14.3	11.7	3.9
Oct	16° / 10°	65	10.9	13	4.8
Nov	18° / 12°	61	9.1	14.1	5.7
Dec	19° / 13°	52	8.2	14.6	6.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 70%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	32	31	30	28	28	28	28	27	27	27	28	28	28	29	30	30	30	31	31	31	32	33	33	32	32	32	32	33	33	33	32
Cloudier (%)	68	69	70	72	72	72	72	73	73	73	72	72	72	71	70	70	70	69	69	69	68	67	67	68	68	68	68	67	67	67	68

	Clearer (%)	Cloudier (%)
1	32	68
2	31	69
3	30	70
4	28	72
5	28	72
6	28	72
7	28	72
8	27	73
9	27	73
10	27	73
11	28	72
12	28	72
13	28	72
14	29	71
15	30	70
16	30	70
17	30	70
18	31	69
19	31	69
20	31	69
21	32	68
22	33	67
23	33	67
24	32	68
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	32	68

Chance of precipitation in May

Any precipitation

Warrnambool gets around 74 mm of rain over 11.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	35	35	35	35	35	35	35	35	35	35	35	35	35	36	36	36	37	37	38	38	39	39	39	39	39	39	39	38	38	38	38

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	35
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	36
17	37
18	37
19	38
20	38
21	39
22	39
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	95	96	96	96	96	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	98	98	98	98	98	98	98	98	98
Comfortable (%)	5	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	96	4
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	97	3
22	97	3
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	17	light breeze
2	18	light breeze
3	18	light breeze
4	18	light breeze
5	18	light breeze
6	18	light breeze
7	18	light breeze
8	18	light breeze
9	18	light breeze
10	18	light breeze
11	18	light breeze
12	18	light breeze
13	18	light breeze
14	18	light breeze
15	18	light breeze
16	18	light breeze
17	18	light breeze
18	18	light breeze
19	18	light breeze
20	18	light breeze
21	18	light breeze
22	18	light breeze
23	18	light breeze
24	18	light breeze
25	18	light breeze
26	18	light breeze
27	18	light breeze
28	18	light breeze
29	18	light breeze
30	18	light breeze
31	19	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 24 min at the start of May to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over May. Sunrise moves from 8:15 AM to 8:41 AM, and sunset from 6:40 PM to 6:14 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.4	10.4	10.4	10.3	10.3	10.2	10.2	10.2	10.1	10.1	10.1	10.0	10.0	10.0	10.0	9.9	9.9	9.9	9.8	9.8	9.8	9.8	9.7	9.7	9.7	9.7	9.6	9.6	9.6	9.6	9.5
Sunrise (AM)	8:15	8:15	8:16	8:17	8:18	8:19	8:20	8:21	8:22	8:23	8:24	8:25	8:26	8:27	8:28	8:29	8:29	8:30	8:31	8:32	8:33	8:34	8:35	8:36	8:36	8:37	8:38	8:39	8:39	8:40	8:41
Sunset (PM)	6:40	6:39	6:38	6:36	6:35	6:34	6:33	6:32	6:31	6:30	6:29	6:28	6:27	6:26	6:25	6:24	6:23	6:22	6:21	6:21	6:20	6:19	6:19	6:18	6:17	6:17	6:16	6:15	6:15	6:14	6:14

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.4	8:15	6:40
2	10.4	8:15	6:39
3	10.4	8:16	6:38
4	10.3	8:17	6:36
5	10.3	8:18	6:35
6	10.2	8:19	6:34
7	10.2	8:20	6:33
8	10.2	8:21	6:32
9	10.1	8:22	6:31
10	10.1	8:23	6:30
11	10.1	8:24	6:29
12	10.0	8:25	6:28
13	10.0	8:26	6:27
14	10.0	8:27	6:26
15	10.0	8:28	6:25
16	9.9	8:29	6:24
17	9.9	8:29	6:23
18	9.9	8:30	6:22
19	9.8	8:31	6:21
20	9.8	8:32	6:21
21	9.8	8:33	6:20
22	9.8	8:34	6:19
23	9.7	8:35	6:19
24	9.7	8:36	6:18
25	9.7	8:36	6:17
26	9.7	8:37	6:17
27	9.6	8:38	6:16
28	9.6	8:39	6:15
29	9.6	8:39	6:15
30	9.6	8:40	6:14
31	9.5	8:41	6:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.08 kWh/m².

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 — May's 2.08 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.5	2.5	2.4	2.4	2.4	2.3	2.3	2.3	2.2	2.2	2.2	2.2	2.1	2.1	2.1	2.1	2.1	2.0	2.0	2.0	2.0	2.0	1.9	1.9	1.9	1.9	1.9	1.9	1.8	1.8	1.8
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	2.5	Moderate
2	2.5	Moderate
3	2.4	Moderate
4	2.4	Moderate
5	2.4	Moderate
6	2.3	Moderate
7	2.3	Moderate
8	2.3	Moderate
9	2.2	Moderate
10	2.2	Moderate
11	2.2	Moderate
12	2.2	Moderate
13	2.1	Moderate
14	2.1	Moderate
15	2.1	Moderate
16	2.1	Moderate
17	2.1	Moderate
18	2.0	Moderate
19	2.0	Moderate
20	2.0	Moderate
21	2.0	Dim
22	2.0	Dim
23	1.9	Dim
24	1.9	Dim
25	1.9	Dim
26	1.9	Dim
27	1.9	Dim
28	1.9	Dim
29	1.8	Dim
30	1.8	Dim
31	1.8	Dim

Planning a trip in May

Is May a good time to visit Warrnambool?

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

4.5

Sightseeing

8th-best month of the year

0.3

Beach & pool

8th-best month of the year

May is a reasonable time to visit Warrnambool for sightseeing.

What to pack for Warrnambool in May

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

In May, Warrnambool sees daytime highs around 15°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Warrnambool in May

The nearest coast averages about 16°C in May — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	18	18	17	16	16	15	14	14	14	14	15	16
Comfort	Cool	Cool	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	18	Cool
Feb	18	Cool
Mar	17	Cool
Apr	16	Cool
May	16	Cool
Jun	15	Cool
Jul	14	Bracing
Aug	14	Bracing
Sep	14	Bracing
Oct	14	Bracing
Nov	15	Cool
Dec	16	Cool

UV index in Warrnambool in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 2. 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	10	8	5	2	2	2	3	4	7	9	12
Level	Extreme	Extreme	Very high	Moderate	Moderate	Low	Moderate	Moderate	Moderate	High	Very high	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	10	Extreme
Mar	8	Very high
Apr	5	Moderate
May	2	Moderate
Jun	2	Low
Jul	2	Moderate
Aug	3	Moderate
Sep	4	Moderate
Oct	7	High
Nov	9	Very high
Dec	12	Extreme

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

grassland 37%

16 km

103 m

water 44%

80 km

426 m

grassland 50%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← April Warrnambool year-round climate June →Best places to visit in May

May 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

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).

	Avg high (°C)	Avg low (°C)
1	16	12
2	16	12
3	16	12
4	16	12
5	16	12
6	16	12
7	16	12
8	16	12
9	16	12
10	16	11
11	16	11
12	16	11
13	16	11
14	15	11
15	15	11
16	15	11
17	15	11
18	15	11
19	15	11
20	15	11
21	15	11
22	15	11
23	15	11
24	15	11
25	15	11
26	15	11
27	15	11
28	15	11
29	15	11
30	14	11
31	14	11

	Clearer (%)	Cloudier (%)
1	32	68
2	31	69
3	30	70
4	28	72
5	28	72
6	28	72
7	28	72
8	27	73
9	27	73
10	27	73
11	28	72
12	28	72
13	28	72
14	29	71
15	30	70
16	30	70
17	30	70
18	31	69
19	31	69
20	31	69
21	32	68
22	33	67
23	33	67
24	32	68
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	32	68

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	35
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	36
17	37
18	37
19	38
20	38
21	39
22	39
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	96	4
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	97	3
22	97	3
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2

	Avg high (°C)	Avg low (°C)
1	16	12
2	16	12
3	16	12
4	16	12
5	16	12
6	16	12
7	16	12
8	16	12
9	16	12
10	16	11
11	16	11
12	16	11
13	16	11
14	15	11
15	15	11
16	15	11
17	15	11
18	15	11
19	15	11
20	15	11
21	15	11
22	15	11
23	15	11
24	15	11
25	15	11
26	15	11
27	15	11
28	15	11
29	15	11
30	14	11
31	14	11

	Clearer (%)	Cloudier (%)
1	32	68
2	31	69
3	30	70
4	28	72
5	28	72
6	28	72
7	28	72
8	27	73
9	27	73
10	27	73
11	28	72
12	28	72
13	28	72
14	29	71
15	30	70
16	30	70
17	30	70
18	31	69
19	31	69
20	31	69
21	32	68
22	33	67
23	33	67
24	32	68
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	32	68

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	35
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	36
17	37
18	37
19	38
20	38
21	39
22	39
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	96	4
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	97	3
22	97	3
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2

	Avg high (°C)	Avg low (°C)
1	16	12
2	16	12
3	16	12
4	16	12
5	16	12
6	16	12
7	16	12
8	16	12
9	16	12
10	16	11
11	16	11
12	16	11
13	16	11
14	15	11
15	15	11
16	15	11
17	15	11
18	15	11
19	15	11
20	15	11
21	15	11
22	15	11
23	15	11
24	15	11
25	15	11
26	15	11
27	15	11
28	15	11
29	15	11
30	14	11
31	14	11

	Clearer (%)	Cloudier (%)
1	32	68
2	31	69
3	30	70
4	28	72
5	28	72
6	28	72
7	28	72
8	27	73
9	27	73
10	27	73
11	28	72
12	28	72
13	28	72
14	29	71
15	30	70
16	30	70
17	30	70
18	31	69
19	31	69
20	31	69
21	32	68
22	33	67
23	33	67
24	32	68
25	32	68
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	32	68

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	35
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	36
17	37
18	37
19	38
20	38
21	39
22	39
23	39
24	39
25	39
26	39
27	39
28	38
29	38
30	38
31	38

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	96	4
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	97	3
13	97	3
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	97	3
20	97	3
21	97	3
22	97	3
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2