Mornington weather in May

In May, Mornington sees average daytime highs of 15°C and overnight lows near 12°C, with 68 mm of rain across 11.2 wet days and about 10 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 14°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 Mornington's 12th-clearest and 6th-windiest month. For the whole year in context, see Mornington's year-round climate.

Daytime high
15°
8th warmest
Overnight low
12°
6th coldest
Rainfall
68 mm
11.2 wet days
Daylight
9 h 54 min
8:18 AM – 6:14 PM
Cloud cover
64%
12th clearest
Wind
20 km/h
6th windiest
Solar energy
2.27 kWh/m²
Travel score
4.6
out of 10

Mornington is suburb of Melbourne, Victoria, Australia.

Air quality
Excellent
PM2.5 3.3 µg/m³ · 2019

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

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 14°C by the end.

A typical May day in Mornington reaches about 15°C in the afternoon and slips back to 12°C overnight — a 3°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 3°C cooler than April and about 2°C warmer than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11713
21713
31713
41613
51613
61613
71613
81612
91612
101612
111612
121612
131612
141612
151512
161512
171512
181512
191512
201512
211512
221512
231512
241512
251512
261511
271511
281511
291511
301411
311411

Mornington weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 16°506.414.47.3
Feb22° / 17°465.813.57.3
Mar21° / 16°437.312.36.9
Apr18° / 14°598.8116.0
May15° / 12°6811.2104.6
Jun13° / 10°7011.89.43.6
Jul12° / 6212.69.63.2
Aug13° / 711310.53.4
Sep14° / 10°7212.611.74.0
Oct16° / 11°6711.1134.9
Nov18° / 13°649.114.15.9
Dec20° / 15°598.814.66.5

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 22% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33862
43763
53763
63664
73763
83763
93763
103862
113862
123862
133961
143961
154060
164060
174159
184159
194060
204060
214060
224060
234159
244159
254159
264258
274258
284258
294159
304258
314258

Chance of precipitation in May

Any precipitation

Mornington gets around 68 mm of rain over 11.2 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
235
335
435
535
635
735
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2036
2136
2236
2336
2436
2536
2636
2736
2836
2937
3037
3137

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1928
2937
3946
4946
5946
6955
7955
8955
9955
10955
11964
12964
13964
14964
15964
16964
17964
18973
19973
20973
21973
22973
23973
24982
25982
26982
27982
28982
29991
30991
31991

Wind in May

Winds average 20 km/h in May.

Across May, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

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 8:04 AM to 8:30 AM, and sunset from 6:30 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.48:046:30
210.48:056:29
310.48:066:28
410.38:076:26
510.38:086:25
610.38:096:24
710.28:106:23
810.28:116:22
910.28:126:21
1010.18:136:20
1110.18:136:19
1210.18:146:18
1310.08:156:17
1410.08:166:16
1510.08:176:15
169.98:186:14
179.98:196:13
189.98:206:12
199.98:216:12
209.88:226:11
219.88:226:10
229.88:236:09
239.78:246:09
249.78:256:08
259.78:266:07
269.78:266:07
279.68:276:06
289.68:286:06
299.68:296:05
309.68:306:05
319.68:306:04

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 1.83 kWh/m² to a high of 7.29 kWh/m² in January across the year — May's 2.27 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.0Moderate
282.0Moderate
292.0Moderate
302.0Dim
312.0Dim
Planning a trip in May

Is May a good time to visit Mornington?

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

4.6
Sightseeing
8th-best month of the year
0.4
Beach & pool
8th-best month of the year

May is a reasonable time to visit Mornington for sightseeing.

What to pack for Mornington in May

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

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

a warm layerrain gear

Sea temperature near Mornington 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 13 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.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb21Refreshing
Mar20Cool
Apr18Cool
May15Cool
Jun13Bracing
Jul12Bracing
Aug11Bracing
Sep12Bracing
Oct14Bracing
Nov17Cool
Dec18Cool

UV index in Mornington 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 Mornington peaks around December 20 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 20UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb10Very high
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep4Moderate
Oct7Very high
Nov9Very high
Dec12Extreme
Location & terrain

Where is Mornington?

Mornington sits at 38.2°S, 145.0°E, 25 m above sea level, in Australia. The nearest listed city is Mount Eliza, 5.0 km away.

Topography around Mornington

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

Within 3 km, the terrain around Mornington has only modest variations in elevation — a maximum elevation change of 77 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 227 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,291 m.

The land around Mornington is covered by water (53%) and artificial surfaces (24%) within 3 km, water (53%) and trees (20%) within 16 km, and water (38%) and grassland (30%) within 80 km.

3 km
77 m
16 km
227 m
80 km
1,291 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Mount Eliza 5.0 km · Mount Martha 6.0 km · Frankston South 10 km · Frankston 11 km · Frankston East 13 km · Langwarrin 13 km · Seaford 15 km · Carrum Downs 18 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 Mornington (-38.2179°, 145.0388°, 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. 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).