Whyalla Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	30.1	29.7	27.4	24.2	20.3	17.2	17.1	18.6	21.6	24.1	26.6	28.3	23.7
Mean Min (°C)	17.8	17.7	15.6	11.9	8.7	6.2	5.3	5.9	8.1	10.9	14.0	16.1	11.5
Mean Rain (mm)	22.5	18.9	16.7	20.1	22.6	28.2	21.3	21.4	25.2	23.0	24.5	23.8	266.1
Median Rain (mm)	5.8	7.4	9.2	12.4	22.1	24.3	20.8	21.1	19.9	19.6	19.4	15.4	248.5
Mean Rain Days	3.4	3.2	3.9	5.0	8.3	10.7	9.8	9.7	7.2	6.6	5.2	4.8	77.4

Whyalla Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	48.5	48.0	44.1	40.4	32.9	26.3	27.0	32.4	38.0	42.1	46.1	46.8	48.5
Low Max (°C)	20.0	19.0	17.0	15.7	11.8	9.4	10.6	10.2	13.0	12.6	12.8	16.9	9.4
High Min (°C)	32.5	30.0	26.6	25.4	18.3	16.9	15.4	20.6	22.2	23.8	28.7	28.1	32.5
Low Min (°C)	5.9	8.6	5.5	2.2	-0.4	-3.2	-3.2	-2.0	-0.7	0.3	3.9	4.7	-3.2
High Rain (mm)	62.8	101.6	50.0	44.5	31.2	40.0	40.0	24.4	52.0	49.0	53.0	51.0	101.6

Whyalla Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	35.0	33.3	31.2	28.2	22.4	18.5	19.3	21.6	26.0	27.9	30.7	32.5	24.8
Low Mn. Max (°C)	26.5	27.1	24.7	21.2	17.9	14.9	15.0	16.4	17.5	20.9	22.9	25.1	21.0
High Mn. Min (°C)	20.9	20.9	17.6	13.9	10.8	8.4	7.4	7.3	10.1	13.6	17.0	17.2	12.3
Low Mn. Min (°C)	15.3	15.8	13.7	10.0	5.9	2.7	2.2	3.9	6.0	8.0	11.5	14.0	9.5
High Rain (mm)	172.6	139.8	79.6	91.4	56.9	97.4	73.4	50.7	105.5	82.8	106.4	81.2	510.3
Low Rain (mm)	0.0	0.0	0.0	0.0	1.2	4.2	3.3	0.0	0.0	0.0	0.0	0.0	87.0

Whyalla Annual Temperatures & Rainfall

Whyalla Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	2.9	1.6	0.6	0.1	0.0	0.0	0.0	0.0	0.0	0.2	1.0	1.7	7.7
≥ 35°C	6.8	5.6	3.8	0.6	0.0	0.0	0.0	0.0	0.3	1.9	4.1	5.2	27.6
≥ 30°C	12.9	11.8	8.4	3.9	0.4	0.0	0.0	0.2	2.6	5.9	8.3	10.2	63.5
≤ 2°C	0.0	0.0	0.0	0.0	0.5	4.0	5.3	3.6	0.7	0.1	0.0	0.0	13.6
≤ 0°C	0.0	0.0	0.0	0.0	0.1	1.4	1.5	0.9	0.0	0.0	0.0	0.0	3.6

Whyalla 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	38.2	36.7	35.1	29.6	24.5	20.1	19.9	22.6	28.0	31.3	34.5	35.8	31.5
Low Max	23.7	23.7	21.9	19.7	17.0	14.5	13.8	14.8	16.2	18.0	20.2	22.0	16.5
High Min	20.7	21.1	19.2	15.7	12.5	9.9	8.7	9.8	12.4	14.4	17.7	19.0	17.6
Low Min	14.3	14.4	12.0	8.0	4.8	2.2	1.5	2.4	3.9	6.6	10.3	12.5	4.8

Whyalla Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	40	38	38	38	38	40	41	41	41	40	41	41	39.0
Earliest Entry	1983	1984	1984	1984	1983	1982	1982	1982	1982	1982	1982	1982	1982
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Maxima	40	38	38	38	39	40	41	41	41	41	41	41	39.0
Earliest Entry	1983	1984	1984	1984	1983	1982	1982	1982	1982	1982	1982	1982	1982
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Rainfall	43	43	42	42	42	41	41	42	42	41	41	43	42.0
Earliest Entry	1979	1979	1979	1979	1979	1979	1979	1979	1979	1979	1979	1979	1979
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024

Station Details

WHYALLA AERO
Eastern Eyre Peninsula, South Australia

33.0539°S 137.5206°E 10m AMSL
Commenced 1945

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Weather News

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Winter is Coming: Chilly day for Sydney, rain pelts eastern seaboard

17:22 AEST Just as we forecast yesterday, a coastal trough has deepened along the NSW and southeast Qld coasts as a low in the Coral Sea continues to inch closer to Qld. The trough has brought some interesting weather to NSW in the past 36 hours or so, particularly along the coastal fringe, giving those New South Welshmen a “Stark” Game of Thrones reminder: winter is coming.