Williamtown Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	28.3	27.7	26.4	23.7	20.4	17.7	17.2	18.8	21.5	23.8	25.6	27.4	23.2
Mean Min (°C)	18.2	18.2	16.5	13.2	10.1	8.0	6.5	6.9	9.2	12.0	14.5	16.6	12.4
Mean Rain (mm)	97.1	110.6	126.9	106.6	109.2	128.7	72.9	64.5	61.9	78.3	81.8	77.4	1124.2
Median Rain (mm)	74.5	91.3	114.2	85.3	99.2	103.3	55.2	50.0	49.8	56.0	81.8	61.4	1072.2
Mean Rain Days	11.7	12.2	13.4	12.3	13.4	13.7	10.7	10.0	9.8	11.7	11.5	11.0	140.7

Williamtown Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	45.5	45.5	40.7	37.0	29.6	26.6	27.8	30.5	36.4	39.4	43.2	43.7	45.5
Low Max (°C)	18.1	19.1	18.1	15.2	11.8	10.7	9.2	10.4	10.9	14.4	14.1	17.4	9.2
High Min (°C)	26.6	26.9	24.5	21.7	18.9	16.3	15.7	15.6	18.2	21.2	23.1	24.6	26.9
Low Min (°C)	9.4	9.6	8.6	2.1	-0.6	-1.8	-3.9	-1.9	0.4	3.0	5.1	7.9	-3.9
High Rain (mm)	225.0	276.0	157.6	156.0	95.0	147.0	133.0	100.8	122.9	128.8	166.8	99.4	276.0

Williamtown Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	33.3	31.0	29.0	26.3	23.1	19.9	19.5	21.9	25.7	27.1	28.6	30.8	25.3
Low Mn. Max (°C)	24.4	24.9	23.8	21.7	18.8	15.9	15.5	17.0	18.5	20.9	22.7	23.8	21.9
High Mn. Min (°C)	21.0	20.3	19.2	16.3	12.9	12.2	9.0	9.4	11.6	14.4	16.8	19.1	13.6
Low Mn. Min (°C)	16.1	16.0	14.0	11.0	6.9	5.6	2.5	4.5	7.2	10.2	11.9	14.8	11.2
High Rain (mm)	422.4	599.6	459.2	361.2	410.2	414.2	327.4	212.2	179.2	252.0	241.4	238.0	1793.7
Low Rain (mm)	2.2	5.6	2.2	4.4	5.0	8.8	0.0	0.0	0.4	1.0	6.8	0.8	541.0

Williamtown Annual Temperatures & Rainfall

Williamtown Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	0.6	0.2	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2	0.4	1.4
≥ 35°C	3.2	1.6	0.6	0.0	0.0	0.0	0.0	0.0	0.1	0.5	1.6	2.5	9.9
≥ 30°C	9.4	7.1	4.8	0.9	0.0	0.0	0.0	0.1	1.1	3.3	5.4	8.4	40.4
≤ 2°C	0.0	0.0	0.0	0.0	0.1	0.5	1.9	1.3	0.1	0.0	0.0	0.0	3.8
≤ 0°C	0.0	0.0	0.0	0.0	0.0	0.0	0.4	0.1	0.0	0.0	0.0	0.0	0.6

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	33.3	32.0	30.0	26.8	22.8	19.9	19.4	21.5	25.7	28.6	31.0	32.6	28.7
Low Max	23.5	23.6	23.0	20.7	17.7	15.4	14.8	15.8	17.2	18.9	20.6	22.4	17.3
High Min	20.7	20.7	19.2	16.6	13.5	11.0	9.4	10.0	12.6	15.5	17.8	19.4	18.3
Low Min	15.0	15.3	13.3	9.8	6.7	4.5	3.2	3.7	5.6	8.4	10.7	13.2	6.4

Williamtown Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	74	74	74	73	73	73	73	74	74	75	75	75	73.0
Earliest Entry	1951	1951	1951	1951	1951	1951	1951	1950	1942	1942	1942	1942	1942
Latest Entry	2024	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Maxima	74	74	74	73	73	73	73	74	74	75	75	75	73.0
Earliest Entry	1951	1951	1951	1951	1951	1951	1951	1950	1942	1942	1942	1942	1942
Latest Entry	2024	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Rainfall	68	68	70	69	67	66	66	69	68	72	68	71	66.0
Earliest Entry	1944	1944	1943	1943	1943	1943	1943	1943	1942	1942	1942	1942	1942
Latest Entry	2024	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2024

Station Details

WILLIAMTOWN RAAF
Hunter, New South Wales/ACT

32.7939°S 151.8364°E 8m AMSL
Commenced 1942

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