Kalgoorlie weather in May

In May, Kalgoorlie sees average daytime highs of 21°C and overnight lows near 10°C, with 20 mm of rain across 3.2 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°C by the end. The sky is clear or mostly clear about 46% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of May to 10 h 12 min by month's end. Set against the rest of the year, May is Kalgoorlie's 11th-clearest and 12th-windiest month. For the whole year in context, see Kalgoorlie's year-round climate.

Daytime high
21°
9th warmest
Overnight low
10°
5th coldest
Rainfall
20 mm
3.2 wet days
Daylight
10 h 24 min
6:37 AM – 5:04 PM
Cloud cover
46%
11th clearest
Wind
15 km/h
12th windiest
Solar energy
3.35 kWh/m²
Travel score
7.7
out of 10

Kalgoorlie is city in the Goldfields-Esperance region of Western Australia.

Density
282/km²
people per km²
Founded
1893

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 23°C in the first days to 19°C by the end.

A typical May day in Kalgoorlie reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, May runs about 5°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52311
62211
72211
82211
92211
102211
112211
122110
132110
142110
152110
162110
172110
182110
192010
20209
21209
22209
23209
24209
25209
26199
27199
28199
29198
30198
31198

How May really feels in Kalgoorlie

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kalgoorlie weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 19°303.113.84.0
Feb32° / 19°403.913.14.7
Mar29° / 17°343.412.26.6
Apr26° / 14°193.311.38.0
May21° / 10°203.210.57.7
Jun18° / 194.1106.6
Jul17° / 194.110.26.5
Aug19° / 203.810.97.4
Sep23° / 112.611.88.4
Oct27° / 12°132.512.88.2
Nov29° / 15°203.413.66.6
Dec32° / 17°182.8145.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56337
66337
76238
86337
96238
106238
116139
126040
136040
145941
156040
165941
175941
185941
195941
205941
216040
226040
235941
245941
255941
265941
275941
285842
295842
305842
315842

Chance of precipitation in May

Any precipitation

Kalgoorlie gets around 20 mm of rain over 3.2 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 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
611
711
811
911
1011
1111
1211
1311
1411
1511
1611
1711
1810
1910
2010
2110
2210
2310
2410
2510
2611
2711
2811
2912
3012
3113

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
189101
289101
389101
49091
59091
69190
79280
89280
99370
109370
119460
129460
139460
149550
159550
169550
179550
189550
199550
209550
219640
229640
239640
249640
259640
269640
279730
289730
299730
309730
319820

Wind in May

Winds average 15 km/h in May, the calmest month.

Across May, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 48 min at the start of May to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 6:27 AM to 6:46 AM, and sunset from 5:16 PM to 4:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:275:16
210.86:275:15
310.86:285:14
410.76:295:13
510.76:295:12
610.76:305:11
710.76:315:11
810.66:315:10
910.66:325:09
1010.66:335:08
1110.66:345:07
1210.56:345:07
1310.56:355:06
1410.56:365:05
1510.56:365:04
1610.46:375:04
1710.46:385:03
1810.46:385:03
1910.46:395:02
2010.46:405:01
2110.36:405:01
2210.36:415:00
2310.36:415:00
2410.36:424:59
2510.36:434:59
2610.36:434:58
2710.26:444:58
2810.26:454:58
2910.26:454:57
3010.26:464:57
3110.26:464:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.35 kWh/m².

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 7.94 kWh/m² in December across the year — May's 3.35 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.1Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
312.9Moderate
Planning a trip in May

Is May a good time to visit Kalgoorlie?

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

7.7
Sightseeing
4th-best month of the year
4.6
Beach & pool
9th-best month of the year

May is one of the better times to visit Kalgoorlie for general sightseeing.

What to pack for Kalgoorlie in May

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

In May, Kalgoorlie sees daytime highs around 21°C and nights near 10°C. Little to plan around — just the basics. About 3 days see rain.

UV index in Kalgoorlie in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kalgoorlie peaks around January 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 11UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr7High
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct10Extreme
Nov11Extreme
Dec14Extreme
Location & terrain

Where is Kalgoorlie?

Kalgoorlie sits at 30.7°S, 121.5°E, 387 m above sea level, in Australia. The nearest listed city is Ellenbrook, 535 km away.

EllenbrookGosnellsByfordMorleyThornlieBallajuraLandsdaleCanning Vale

Topography around Kalgoorlie

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

Within 3 km, the terrain around Kalgoorlie has only modest variations in elevation — a maximum elevation change of 196 m around an average of 378 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, significant variations in elevation — a maximum elevation change of 410 m.

The land around Kalgoorlie is covered by artificial surfaces (32%) and grassland (27%) within 3 km, trees (42%), shrubs (25%) and grassland (24%) within 16 km, and trees (38%), shrubs (32%) and grassland (23%) within 80 km.

3 km
196 m
16 km
341 m
80 km
410 m
treesshrubsgrasslandartificial surfacesbare terrainwater
May weather nearby: Ellenbrook 535 km · Gosnells 540 km · Byford 543 km · Morley 544 km · Thornlie 544 km · Ballajura 544 km · Landsdale 546 km · Canning Vale 547 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 Kalgoorlie (-30.7461°, 121.4742°, elevation 387 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. 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).