Bacchus Marsh weather in May

In May, Bacchus Marsh sees average daytime highs of 16°C and overnight lows near 8°C, with 33 mm of rain across 6.9 wet days and about 10 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of May to 9 h 36 min by month's end. Set against the rest of the year, May is Bacchus Marsh's 12th-clearest and 7th-windiest month. For the whole year in context, see Bacchus Marsh's year-round climate.

Daytime high: 16°; 9th warmest
Overnight low: 8°; 5th coldest
Rainfall: 33 mm; 6.9 wet days
Daylight: 10 hours; 8:19 AM – 6:18 PM
Cloud cover: 65%; 12th clearest
Wind: 13 km/h; 7th windiest
Solar energy: 2.27 kWh/m²
Travel score: 5.1; out of 10

Bacchus Marsh is Town in Victoria, Australia.

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

← April Bacchus Marsh 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 17°C in the first days to 14°C by the end.

A typical May day in Bacchus Marsh reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°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)	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	14	14	14
Avg low (°C)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7

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

Bacchus Marsh weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	25° / 13°	46	6.2	14.3	7.5
Feb	25° / 13°	44	6	13.5	7.5
Mar	23° / 12°	28	4.7	12.3	7.6
Apr	19° / 9°	37	6.3	11.1	6.6
May	16° / 8°	33	6.9	10	5.1
Jun	13° / 6°	43	8.6	9.4	3.7
Jul	12° / 6°	35	8.8	9.7	3.4
Aug	14° / 6°	43	9.6	10.5	3.9
Sep	16° / 7°	52	10.3	11.7	4.9
Oct	18° / 8°	58	9.8	13	5.9
Nov	21° / 9°	63	8.9	14	6.5
Dec	23° / 11°	54	7.4	14.6	7.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 63%.

	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 (%)	37	35	35	35	35	35	35	35	36	36	37	37	37	37	38	38	38	38	38	39	39	38	38	37	37	37	37	36	36	37	37
Cloudier (%)	63	65	65	65	65	65	65	65	64	64	63	63	63	63	62	62	62	62	62	61	61	62	62	63	63	63	63	64	64	63	63

	Clearer (%)	Cloudier (%)
1	37	63
2	35	65
3	35	65
4	35	65
5	35	65
6	35	65
7	35	65
8	35	65
9	36	64
10	36	64
11	37	63
12	37	63
13	37	63
14	37	63
15	38	62
16	38	62
17	38	62
18	38	62
19	38	62
20	39	61
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	37	63
27	37	63
28	36	64
29	36	64
30	37	63
31	37	63

Chance of precipitation in May

Any precipitation

Bacchus Marsh gets around 33 mm of rain over 6.9 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 22% and peaks near 27% 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 (%)	23	23	23	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	22	22	23	23	24	25	25	26	26	27

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

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 99% 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 (%)	98	98	98	98	98	98	98	98	98	98	98	98	98	98	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100
Comfortable (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13
Feels	calm	calm	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	12	calm
2	12	calm
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	12	light breeze
16	12	light breeze
17	12	light breeze
18	12	light breeze
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 30 min at the start of May to 9 h 36 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 8:06 AM to 8:31 AM, and sunset from 6:33 PM to 6:08 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)	10.5	10.4	10.4	10.4	10.3	10.3	10.3	10.2	10.2	10.2	10.1	10.1	10.1	10.0	10.0	10.0	9.9	9.9	9.9	9.9	9.8	9.8	9.8	9.8	9.7	9.7	9.7	9.7	9.7	9.6	9.6
Sunrise (AM)	8:06	8:06	8:07	8:08	8:09	8:10	8:11	8:12	8:13	8:14	8:15	8:16	8:17	8:17	8:18	8:19	8:20	8:21	8:22	8:23	8:23	8:24	8:25	8:26	8:27	8:27	8:28	8:29	8:30	8:31	8:31
Sunset (PM)	6:33	6:32	6:31	6:30	6:29	6:28	6:27	6:25	6:24	6:23	6:22	6:21	6:20	6:20	6:19	6:18	6:17	6:16	6:15	6:15	6:14	6:13	6:12	6:12	6:11	6:11	6:10	6:09	6:09	6:08	6:08

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.5	8:06	6:33
2	10.4	8:06	6:32
3	10.4	8:07	6:31
4	10.4	8:08	6:30
5	10.3	8:09	6:29
6	10.3	8:10	6:28
7	10.3	8:11	6:27
8	10.2	8:12	6:25
9	10.2	8:13	6:24
10	10.2	8:14	6:23
11	10.1	8:15	6:22
12	10.1	8:16	6:21
13	10.1	8:17	6:20
14	10.0	8:17	6:20
15	10.0	8:18	6:19
16	10.0	8:19	6:18
17	9.9	8:20	6:17
18	9.9	8:21	6:16
19	9.9	8:22	6:15
20	9.9	8:23	6:15
21	9.8	8:23	6:14
22	9.8	8:24	6:13
23	9.8	8:25	6:12
24	9.8	8:26	6:12
25	9.7	8:27	6:11
26	9.7	8:27	6:11
27	9.7	8:28	6:10
28	9.7	8:29	6:09
29	9.7	8:30	6:09
30	9.6	8:31	6:08
31	9.6	8:31	6:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.27 kWh/m².

For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 7.22 kWh/m² in January across the year — May's 2.27 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)	2.7	2.7	2.6	2.6	2.6	2.5	2.5	2.5	2.5	2.4	2.4	2.4	2.3	2.3	2.3	2.3	2.3	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
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	2.7	Moderate
2	2.7	Moderate
3	2.6	Moderate
4	2.6	Moderate
5	2.6	Moderate
6	2.5	Moderate
7	2.5	Moderate
8	2.5	Moderate
9	2.5	Moderate
10	2.4	Moderate
11	2.4	Moderate
12	2.4	Moderate
13	2.3	Moderate
14	2.3	Moderate
15	2.3	Moderate
16	2.3	Moderate
17	2.3	Moderate
18	2.2	Moderate
19	2.2	Moderate
20	2.2	Moderate
21	2.1	Moderate
22	2.1	Moderate
23	2.1	Moderate
24	2.1	Moderate
25	2.1	Moderate
26	2.0	Moderate
27	2.0	Moderate
28	2.0	Moderate
29	2.0	Dim
30	2.0	Dim
31	1.9	Dim

Planning a trip in May

Hazard calendar for Bacchus Marsh

In seasonPeak

None of Bacchus Marsh's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Bacchus Marsh 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 May a good time to visit Bacchus Marsh?

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

5.1

Sightseeing

8th-best month of the year

0.6

Beach & pool

8th-best month of the year

May is a reasonable time to visit Bacchus Marsh for sightseeing.

What to pack for Bacchus Marsh in May

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

In May, Bacchus Marsh sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Bacchus Marsh in May

The nearest coast averages about 15°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 44 km away) 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	20	21	20	18	15	13	12	11	12	14	17	19
Comfort	Refreshing	Refreshing	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	20	Refreshing
Feb	21	Refreshing
Mar	20	Cool
Apr	18	Cool
May	15	Cool
Jun	13	Bracing
Jul	12	Bracing
Aug	11	Bracing
Sep	12	Bracing
Oct	14	Bracing
Nov	17	Cool
Dec	19	Cool

UV index in Bacchus Marsh in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bacchus Marsh peaks around December 19 at about 13 (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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	11	8	5	3	2	2	3	5	8	10	13
Level	Extreme	Extreme	Very high	Moderate	Moderate	Low	Moderate	Moderate	Moderate	Very high	Very high	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	11	Extreme
Mar	8	Very high
Apr	5	Moderate
May	3	Moderate
Jun	2	Low
Jul	2	Moderate
Aug	3	Moderate
Sep	5	Moderate
Oct	8	Very high
Nov	10	Very high
Dec	13	Extreme

Location & terrain

Where is Bacchus Marsh?

Bacchus Marsh sits at 37.7°S, 144.4°E, 111 m above sea level, in Australia. The nearest listed city is Tarneit, 27 km away.

Topography around Bacchus Marsh

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

Within 3 km, the terrain around Bacchus Marsh has only modest variations in elevation — a maximum elevation change of 169 m around an average of 126 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 678 m; within 80 km, large variations in elevation — a maximum elevation change of 1,037 m.

The land around Bacchus Marsh is covered by grassland (40%) and artificial surfaces (27%) within 3 km, grassland (52%) and trees (29%) within 16 km, and grassland (47%) and trees (24%) within 80 km.

3 km

169 m

grassland 40%

16 km

678 m

grassland 52%

80 km

1,037 m

grassland 47%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

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

May weather nearby: Tarneit 27 km · Hillside 27 km · Caroline Springs 27 km · Sunbury 27 km · Taylors Hill 28 km · Wyndham Vale 29 km · Deer Park 31 km · Taylors Lakes 31 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 Bacchus Marsh (-37.6727°, 144.4383°, elevation 111 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).

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

	Clearer (%)	Cloudier (%)
1	37	63
2	35	65
3	35	65
4	35	65
5	35	65
6	35	65
7	35	65
8	35	65
9	36	64
10	36	64
11	37	63
12	37	63
13	37	63
14	37	63
15	38	62
16	38	62
17	38	62
18	38	62
19	38	62
20	39	61
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	37	63
27	37	63
28	36	64
29	36	64
30	37	63
31	37	63

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

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	37	63
2	35	65
3	35	65
4	35	65
5	35	65
6	35	65
7	35	65
8	35	65
9	36	64
10	36	64
11	37	63
12	37	63
13	37	63
14	37	63
15	38	62
16	38	62
17	38	62
18	38	62
19	38	62
20	39	61
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	37	63
27	37	63
28	36	64
29	36	64
30	37	63
31	37	63

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

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	37	63
2	35	65
3	35	65
4	35	65
5	35	65
6	35	65
7	35	65
8	35	65
9	36	64
10	36	64
11	37	63
12	37	63
13	37	63
14	37	63
15	38	62
16	38	62
17	38	62
18	38	62
19	38	62
20	39	61
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	37	63
27	37	63
28	36	64
29	36	64
30	37	63
31	37	63

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

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	98	2
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0