Keysborough weather in May

In May, Keysborough sees average daytime highs of 16°C and overnight lows near 9°C, with 53 mm of rain across 10.2 wet days and about 10 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 17% 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 36 min by month's end. Set against the rest of the year, May is Keysborough's 12th-clearest and 9th-windiest month. For the whole year in context, see Keysborough's year-round climate.

Daytime high: 16°; 9th warmest
Overnight low: 9°; 5th coldest
Rainfall: 53 mm; 10.2 wet days
Daylight: 10 hours; 8:17 AM – 6:14 PM
Cloud cover: 66%; 12th clearest
Wind: 12 km/h; 9th windiest
Solar energy: 2.26 kWh/m²
Travel score: 5.1; out of 10

Keysborough is suburb of Melbourne, Australia.

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

← April Keysborough 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 18°C in the first days to 15°C by the end.

A typical May day in Keysborough reaches about 16°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°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)	18	18	18	18	17	17	17	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15
Avg low (°C)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	8	8	8

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

Keysborough weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 14°	49	6.2	14.3	7.4
Feb	26° / 15°	44	5.8	13.5	7.4
Mar	24° / 13°	38	6.4	12.3	7.5
Apr	20° / 11°	51	7.9	11	6.5
May	16° / 9°	53	10.2	10	5.1
Jun	14° / 7°	57	11.1	9.4	3.8
Jul	13° / 7°	54	11.8	9.6	3.5
Aug	14° / 7°	65	13	10.5	3.9
Sep	17° / 8°	71	13	11.7	4.8
Oct	19° / 9°	68	11.5	13	5.8
Nov	22° / 11°	64	9.8	14.1	6.5
Dec	24° / 13°	62	8.4	14.6	7.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 65%.

	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 (%)	34	34	33	34	33	33	33	33	33	34	33	35	35	35	35	35	35	36	35	35	35	35	35	37	37	37	37	37	37	37	37
Cloudier (%)	66	66	67	66	67	67	67	67	67	66	67	65	65	65	65	65	65	64	65	65	65	65	65	63	63	63	63	63	63	63	63

	Clearer (%)	Cloudier (%)
1	34	66
2	34	66
3	33	67
4	34	66
5	33	67
6	33	67
7	33	67
8	33	67
9	33	67
10	34	66
11	33	67
12	35	65
13	35	65
14	35	65
15	35	65
16	35	65
17	35	65
18	36	64
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	37	63
25	37	63
26	37	63
27	37	63
28	37	63
29	37	63
30	37	63
31	37	63

Chance of precipitation in May

Any precipitation

Keysborough gets around 53 mm of rain over 10.2 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 32% and peaks near 34% 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 (%)	31	31	31	31	31	32	32	32	31	31	31	31	31	31	31	32	32	32	32	33	33	33	33	33	33	33	33	33	34	34	34

	Rain chance (%)
1	31
2	31
3	31
4	31
5	31
6	32
7	32
8	32
9	31
10	31
11	31
12	31
13	31
14	31
15	31
16	32
17	32
18	32
19	32
20	33
21	33
22	33
23	33
24	33
25	33
26	33
27	33
28	33
29	34
30	34
31	34

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 98% 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	97	97	97	97	97	97	98	98	98	98	98	98	98	98	98	98	98	99	99	99	99	99	99	99	99	99	99
Comfortable (%)	5	4	4	4	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 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)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 24 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 48 minutes over May. Sunrise moves from 8:03 AM to 8:29 AM, and sunset from 6:30 PM to 6:04 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	10.3	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
Sunrise (AM)	8:03	8:04	8:05	8:06	8:07	8:08	8:09	8:10	8:11	8:12	8:12	8:13	8:14	8:15	8:16	8:17	8:18	8:19	8:20	8:20	8:21	8:22	8:23	8:24	8:25	8:25	8:26	8:27	8:28	8:28	8:29
Sunset (PM)	6:30	6:29	6:27	6:26	6:25	6:24	6:23	6:22	6:21	6:20	6:19	6:18	6:17	6:16	6:15	6:14	6:13	6:12	6:12	6:11	6:10	6:09	6:09	6:08	6:07	6:07	6:06	6:06	6:05	6:05	6:04

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.4	8:03	6:30
2	10.4	8:04	6:29
3	10.4	8:05	6:27
4	10.3	8:06	6:26
5	10.3	8:07	6:25
6	10.3	8:08	6:24
7	10.2	8:09	6:23
8	10.2	8:10	6:22
9	10.2	8:11	6:21
10	10.1	8:12	6:20
11	10.1	8:12	6:19
12	10.1	8:13	6:18
13	10.0	8:14	6:17
14	10.0	8:15	6:16
15	10.0	8:16	6:15
16	10.0	8:17	6:14
17	9.9	8:18	6:13
18	9.9	8:19	6:12
19	9.9	8:20	6:12
20	9.8	8:20	6:11
21	9.8	8:21	6:10
22	9.8	8:22	6:09
23	9.8	8:23	6:09
24	9.7	8:24	6:08
25	9.7	8:25	6:07
26	9.7	8:25	6:07
27	9.7	8:26	6:06
28	9.6	8:27	6:06
29	9.6	8:28	6:05
30	9.6	8:28	6:05
31	9.6	8:29	6:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.26 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 7.24 kWh/m² in January across the year — May's 2.26 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	2.4	2.4	2.4	2.4	2.3	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
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	2.4	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	2.2	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 Keysborough

In seasonPeak

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

Keysborough 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 Keysborough?

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

0.9

Beach & pool

8th-best month of the year

May is a reasonable time to visit Keysborough for sightseeing.

What to pack for Keysborough in May

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

In May, Keysborough sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Keysborough 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 15 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 18 to Mar 11 — about 1.7 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	18
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	18	Cool

UV index in Keysborough 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 Keysborough 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 9 months of the year.

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

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

Location & terrain

Where is Keysborough?

Keysborough sits at 38.0°S, 145.2°E, 25 m above sea level, in Australia. The nearest listed city is Dandenong, 2.0 km away.

Topography around Keysborough

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

Within 3 km, the terrain around Keysborough has only modest variations in elevation — a maximum elevation change of 54 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 278 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,390 m.

The land around Keysborough is covered by artificial surfaces (66%) within 3 km, artificial surfaces (40%) and trees (23%) within 16 km, and grassland (32%), trees (30%) and water (25%) within 80 km.

3 km

54 m

artificial surfaces 66%

16 km

278 m

artificial surfaces 40%

80 km

1,390 m

grassland 32%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

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

May weather nearby: Dandenong 2.0 km · Noble Park 3.0 km · Dandenong North 4.0 km · Springvale 5.0 km · Mulgrave 7.0 km · Endeavour Hills 8.0 km · Hampton Park 8.0 km · Rowville 8.0 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 Keysborough (-37.9912°, 145.1738°, elevation 25 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	18	9
2	18	9
3	18	9
4	18	9
5	17	9
6	17	9
7	17	9
8	17	9
9	17	9
10	17	9
11	17	9
12	17	9
13	17	9
14	17	9
15	16	9
16	16	9
17	16	9
18	16	9
19	16	9
20	16	9
21	16	8
22	16	8
23	16	8
24	16	8
25	16	8
26	15	8
27	15	8
28	15	8
29	15	8
30	15	8
31	15	8

	Clearer (%)	Cloudier (%)
1	34	66
2	34	66
3	33	67
4	34	66
5	33	67
6	33	67
7	33	67
8	33	67
9	33	67
10	34	66
11	33	67
12	35	65
13	35	65
14	35	65
15	35	65
16	35	65
17	35	65
18	36	64
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	37	63
25	37	63
26	37	63
27	37	63
28	37	63
29	37	63
30	37	63
31	37	63

	Rain chance (%)
1	31
2	31
3	31
4	31
5	31
6	32
7	32
8	32
9	31
10	31
11	31
12	31
13	31
14	31
15	31
16	32
17	32
18	32
19	32
20	33
21	33
22	33
23	33
24	33
25	33
26	33
27	33
28	33
29	34
30	34
31	34

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	34	66
2	34	66
3	33	67
4	34	66
5	33	67
6	33	67
7	33	67
8	33	67
9	33	67
10	34	66
11	33	67
12	35	65
13	35	65
14	35	65
15	35	65
16	35	65
17	35	65
18	36	64
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	37	63
25	37	63
26	37	63
27	37	63
28	37	63
29	37	63
30	37	63
31	37	63

	Rain chance (%)
1	31
2	31
3	31
4	31
5	31
6	32
7	32
8	32
9	31
10	31
11	31
12	31
13	31
14	31
15	31
16	32
17	32
18	32
19	32
20	33
21	33
22	33
23	33
24	33
25	33
26	33
27	33
28	33
29	34
30	34
31	34

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	34	66
2	34	66
3	33	67
4	34	66
5	33	67
6	33	67
7	33	67
8	33	67
9	33	67
10	34	66
11	33	67
12	35	65
13	35	65
14	35	65
15	35	65
16	35	65
17	35	65
18	36	64
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	37	63
25	37	63
26	37	63
27	37	63
28	37	63
29	37	63
30	37	63
31	37	63

	Rain chance (%)
1	31
2	31
3	31
4	31
5	31
6	32
7	32
8	32
9	31
10	31
11	31
12	31
13	31
14	31
15	31
16	32
17	32
18	32
19	32
20	33
21	33
22	33
23	33
24	33
25	33
26	33
27	33
28	33
29	34
30	34
31	34

	Dry (%)	Comfortable (%)
1	95	5
2	96	4
3	96	4
4	96	4
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1