Ferntree Gully weather in May

In May, Ferntree Gully 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 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 Ferntree Gully's 12th-clearest and 9th-windiest month. For the whole year in context, see Ferntree Gully's year-round climate.

Daytime high
16°
9th warmest
Overnight low
5th coldest
Rainfall
53 mm
10.2 wet days
Daylight
10 hours
8:16 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

Ferntree Gully is suburb of Melbourne, Victoria, Australia.

Density
1,957/km²
people per km²
Founded
1880

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

A typical May day in Ferntree Gully 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.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1189
2189
3189
4189
5179
6179
7179
8179
9179
10179
11179
12179
13179
14179
15169
16169
17169
18169
19169
20169
21168
22168
23168
24168
25168
26158
27158
28158
29158
30158
31158

Ferntree Gully 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 14°496.214.37.4
Feb26° / 15°445.813.57.4
Mar24° / 13°386.412.37.5
Apr20° / 11°517.9116.5
May16° / 5310.2105.1
Jun14° / 5711.19.43.8
Jul13° / 5411.89.63.5
Aug14° / 651310.53.9
Sep17° / 711311.74.8
Oct19° / 6811.5135.8
Nov22° / 11°649.8146.5
Dec24° / 13°628.414.67.1

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%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43466
53367
63367
73367
83367
93367
103466
113367
123565
133565
143565
153565
163565
173565
183664
193565
203565
213565
223565
233565
243763
253763
263763
273763
283763
293763
303763
313763

Chance of precipitation in May

Any precipitation

Ferntree Gully 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.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
632
732
832
931
1031
1131
1231
1331
1431
1531
1632
1732
1832
1932
2033
2133
2233
2333
2433
2533
2633
2733
2833
2934
3034
3134

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.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2964
3964
4964
5973
6973
7973
8973
9973
10973
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

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.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 8:02 AM to 8:28 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)
110.58:026:30
210.48:036:28
310.48:046:27
410.38:056:26
510.38:066:25
610.38:076:24
710.28:086:23
810.28:096:22
910.28:106:21
1010.18:116:20
1110.18:126:19
1210.18:136:18
1310.18:146:17
1410.08:146:16
1510.08:156:15
1610.08:166:14
179.98:176:13
189.98:186:12
199.98:196:11
209.88:206:11
219.88:216:10
229.88:216:09
239.88:226:09
249.78:236:08
259.78:246:07
269.78:256:07
279.78:256:06
289.78:266:06
299.68:276:05
309.68:286:05
319.68:286:04

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.

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
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.0Moderate
272.0Moderate
282.0Moderate
292.0Dim
302.0Dim
311.9Dim
Planning a trip in May

Hazard calendar for Ferntree Gully

In seasonPeak

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

Ferntree Gully 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 Ferntree Gully?

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 Ferntree Gully for sightseeing.

What to pack for Ferntree Gully in May

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

In May, Ferntree Gully 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 Ferntree Gully 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 31 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 Ferntree Gully 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 Ferntree Gully 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 19UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar8Very high
Apr5Moderate
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep4Moderate
Oct7Very high
Nov10Very high
Dec12Extreme
Location & terrain

Where is Ferntree Gully?

Ferntree Gully sits at 37.9°S, 145.3°E, 125 m above sea level, in Australia. The nearest listed city is Boronia, 2.0 km away.

Topography around Ferntree Gully

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

Within 3 km, the terrain around Ferntree Gully has significant variations in elevation — a maximum elevation change of 475 m around an average of 171 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 621 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,478 m.

The land around Ferntree Gully is covered by trees (66%) and artificial surfaces (23%) within 3 km, trees (59%) and artificial surfaces (24%) within 16 km, and trees (38%) and grassland (33%) within 80 km.

3 km
475 m
16 km
621 m
80 km
1,478 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Boronia 2.0 km · Wantirna South 7.0 km · Rowville 8.0 km · Ringwood 9.0 km · Croydon 9.0 km · Wheelers Hill 10 km · Endeavour Hills 11 km · Mitcham 11 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 Ferntree Gully (-37.8846°, 145.2954°, elevation 125 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).