April
Other strong months: October and September
91/100 weather score
Australia · 1991–2020
Best time to visit
South Kalgoorlie
For South Kalgoorlie, April has the most comfortable weather in our climate comparison. Typical daytime highs are 25.7°C, nights average 13.3°C, and rainfall totals about 19 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthApril
Typical daytime high25.7°C
Typical night-time low13.3°C
April rainfall19 mm
May
Other strong months: August and September
95/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
5 months fit your choices for South Kalgoorlie
January has the lowest comfort score at 60 out of 100, compared with April at 91. The main reason is that days average 33.9°C, 10° above the 24°C the score treats as ideal.
Quick answers
Planning a trip to South Kalgoorlie?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit South Kalgoorlie?
April is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 25.7°C and 19 mm of rain.
What is the hottest month in South Kalgoorlie?
January is hottest in this record, with a typical daytime high of 33.9°C and a night-time low of 18.8°C.
Which month has the least rain?
September has the lowest monthly rainfall total at 12 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 33.9°C | 18.8°C | 36 mm | 2.8 | 13 h 56 | 60 | Strong coverage |
| February | 32.3°C | 18.4°C | 38 mm | 3.6 | 13 h 13 | 65 | Strong coverage |
| March | 29.1°C | 16.4°C | 32 mm | 3.1 | 12 h 22 | 80 | Strong coverage |
| April | 25.7°C | 13.3°C | 19 mm | 3 | 11 h 23 | 91 | Strong coverage |
| May | 21.2°C | 9.2°C | 17 mm | 2.8 | 10 h 35 | 80 | Strong coverage |
| June | 17.9°C | 6.5°C | 20 mm | 4.2 | 10 h 10 | 64 | Strong coverage |
| July | 17.5°C | 5.7°C | 21 mm | 4 | 10 h 20 | 61 | Strong coverage |
| August | 19.4°C | 6.3°C | 21 mm | 4.2 | 11 h 01 | 68 | Strong coverage |
| September | 22.7°C | 8.6°C | 12 mm | 2.8 | 11 h 57 | 84 | Strong coverage |
| October | 26.8°C | 12°C | 14 mm | 2.6 | 12 h 54 | 85 | Strong coverage |
| November | 29.5°C | 14.7°C | 19 mm | 3 | 13 h 43 | 81 | Strong coverage |
| December | 32.1°C | 17°C | 18 mm | 2.6 | 14 h 08 | 70 | Strong coverage |
What has changed
Recent daytime highs are
0.8°C warmer in South Kalgoorlie.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+0.4
Feb
+0.5
Mar
-0.3
Apr
+0.4
May
+0.9
Jun
+0.5
Jul
+1.1
Aug
+1.6
Sep
+1.2
Oct
+1.7
Nov
+0.5
Dec
+1.0
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 46.5°C22 Jan 1990 | 8.8°C31 Jan 1990 | 154 mm23 Jan 1967 | 186 mm1967 · driest 0 mm in 1977 | 85 |
| February | 46.5°C21 Feb 2024 | 8.5°C16 Feb 1990 | 178 mm22 Feb 1948 | 308 mm1948 · driest 0 mm in 1950 | 85 |
| March | 44.5°C10 Mar 1973 | 5.7°C24 Mar 2001 | 70 mm2 Mar 1974 | 197 mm1999 · driest 0 mm in 1950 | 85 |
| April | 40.1°C11 Apr 2019 | 1.7°C26 Apr 1960 | 50 mm16 Apr 1961 | 99 mm1961 · driest 0 mm in 1950 | 86 |
| May | 33.4°C2 May 2002 | -1.8°C31 May 1964 | 45 mm24 May 1980 | 110 mm1963 · driest 0 mm in 1948 | 85 |
| June | 27.6°C15 Jun 1947 | -3.0°C23 Jun 1981 | 57 mm6 Jun 1957 | 186 mm1968 · driest 1 mm in 2008 | 85 |
| July | 28.7°C30 Jul 2001 | -3.4°C12 Jul 1969 | 29 mm26 Jul 1985 | 83 mm1960 · driest 1 mm in 1994 | 86 |
| August | 32.0°C26 Aug 2023 | -2.4°C23 Aug 1956 | 50 mm11 Aug 1994 | 74 mm1992 · driest 2 mm in 1989 | 85 |
| September | 37.9°C29 Sep 2023 | -0.6°C9 Sep 1953 | 44 mm13 Sep 1954 | 98 mm1955 · driest 0 mm in 2020 | 85 |
| October | 40.9°C16 Oct 1995 | -1.0°C4 Oct 1942 | 60 mm6 Oct 2025 | 84 mm1982 · driest 0 mm in 1946 | 85 |
| November | 44.7°C17 Nov 2019 | 3.1°C9 Nov 1992 | 77 mm6 Nov 1981 | 115 mm1981 · driest 0 mm in 1994 | 85 |
| December | 45.0°C31 Dec 1972 | 5.5°C2 Dec 1973 | 51 mm13 Dec 2016 | 89 mm1988 · driest 0 mm in 1964 | 85 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 29 | 24 | 0 | <1 |
| February | 26 | 18 | 0 | 1 |
| March | 24 | 13 | 0 | <1 |
| April | 16 | 5 | 0 | <1 |
| May | 5 | <1 | 0 | <1 |
| June | <1 | 0 | <1 | <1 |
| July | <1 | 0 | 1 | <1 |
| August | 3 | <1 | <1 | <1 |
| September | 9 | 2 | <1 | <1 |
| October | 19 | 9 | 0 | <1 |
| November | 24 | 14 | 0 | <1 |
| December | 29 | 20 | 0 | <1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 92% | 8% | 2% | 5% | 32.0–35.4°C |
| February | 89% | 11% | 3% | 9% | 29.5–35.4°C |
| March | 90% | 9% | 2% | 6% | 27.1–31.7°C |
| April | 80% | 11% | 2% | 8% | 23.1–27.7°C |
| May | 52% | 12% | 2% | 9% | 18.9–22.8°C |
| June | 20% | 16% | 2% | 12% | 15.9–19.4°C |
| July | 16% | 15% | 2% | 11% | 15.3–18.4°C |
| August | 32% | 13% | 2% | 7% | 16.8–20.7°C |
| September | 66% | 9% | <1% | 6% | 20.4–24.3°C |
| October | 84% | 9% | 1% | 3% | 23.7–28.4°C |
| November | 89% | 9% | 2% | 6% | 26.9–31.2°C |
| December | 92% | 8% | 2% | 3% | 30.2–33.8°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 11704272
- NOAA station
- ASN00012038 · KALGOORLIE-BOULDER AIRPORT
- Station distance
- 2.9 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 30 usable years
- Daylight
- Calculated from latitude -30.77°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for South Kalgoorlie is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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