Climate and monthly weather forecastShellharbour, Australia
Climate and monthly weather forecast
Weather in January
January, like December, in Shellharbour, Australia, is another warm summer month, with temperature in the range of an average high of 25.7°C (78.3°F) and an average low of 19°C (66.2°F). With average temperatures fluctuating between a high of 25.7°C (78.3°F) and a low of 19°C (66.2°F), January stands out as the warmest month. Weather in January »Weather in February
February, the last month of the summer in Shellharbour, is another warm month, with temperature in the range of an average low of 19°C (66.2°F) and an average high of 24.8°C (76.6°F). The beginning of February records an average high-temperature of a still warm 24.8°C (76.6°F), almost echoing the conditions of the previous month. Weather in February »Weather in March
The first month of the autumn, March, is still a warm month in Shellharbour, Australia, with an average temperature varying between 18°C (64.4°F) and 23.8°C (74.8°F). Shellharbour starts March with an average high-temperature of a still warm 23.8°C (74.8°F), a minor shift from February's 24.8°C (76.6°F). Weather in March »Weather in April
April, like March, is another pleasant autumn month in Shellharbour, Australia, with an average temperature ranging between min 15.7°C (60.3°F) and max 21.3°C (70.3°F). The arrival of April is marked by an average high-temperature of an agreeable 21.3°C (70.3°F), bearing a close resemblance to March. Weather in April »Weather in May
May, the last month of the autumn in Shellharbour, is also an enjoyable month, with an average temperature ranging between min 12.6°C (54.7°F) and max 18.6°C (65.5°F). In May, Shellharbour experiences a minor shift in meteorological conditions with average high-temperatures marked at a comfortable 18.6°C (65.5°F), closely mirroring the climate in April. Weather in May »Weather in June
The first month of the winter, June, is also a moderate month in Shellharbour, Australia, with an average temperature fluctuating between 10.9°C (51.6°F) and 15.9°C (60.6°F). Shellharbour notes an average high-temperature of a moderate 15.9°C (60.6°F) in June, hardly diverging from May. Weather in June »Weather in July
July, the same as June, in Shellharbour, Australia, is a moderate winter month, with an average temperature ranging between min 9.7°C (49.5°F) and max 15.7°C (60.3°F). In Shellharbour, the lowest average temperatures are observed in July, with a high of 15.7°C (60.3°F) and a low of 9.7°C (49.5°F). Weather in July »Weather in August
August, the last month of the winter in Shellharbour, is a comfortable month, with temperature in the range of an average high of 16.4°C (61.5°F) and an average low of 9.8°C (49.6°F). The transition into August shows a subtle variation to an enjoyable 16.4°C (61.5°F) from July's 15.7°C (60.3°F) in the average high-temperature. Weather in August »Weather in September
September, the first month of the spring in Shellharbour, is still a comfortable month, with an average temperature fluctuating between 11.8°C (53.2°F) and 18.8°C (65.8°F). The average high-temperature in September, at a still enjoyable 18.8°C (65.8°F), reveals a modest deviation from August's 16.4°C (61.5°F). Weather in September »Weather in October
October is a pleasant spring month in Shellharbour, Australia, with an average temperature ranging between min 13.6°C (56.5°F) and max 20.7°C (69.3°F). The introduction of October notes a subtle temperature variation to an agreeable 20.7°C (69.3°F) from September's 18.8°C (65.8°F). Weather in October »Weather in November
The last month of the spring, November, is another pleasant month in Shellharbour, Australia, with an average temperature fluctuating between 16°C (60.8°F) and 22.4°C (72.3°F). Shellharbour, Australia, experiences a minor change to a still pleasant 22.4°C (72.3°F) in average high-temperature during November, closely reflecting October. Weather in November »Weather in December
December, the first month of the summer in Shellharbour, is a moderately hot month, with an average temperature ranging between min 17.5°C (63.5°F) and max 24.1°C (75.4°F). December's presence records an average high-temperature of a moderately hot 24.1°C (75.4°F), closely mirroring November's climate. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Shellharbour, Australia
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (15.7°C).
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure
Shellharbour, Australia
- Average pressure in January:
1012.9mbar - Average pressure in February:
1014.9mbar - Average pressure in March:
1017.2mbar - Average pressure in April:
1019.2mbar - Average pressure in May:
1020mbar - Average pressure in June:
1020.8mbar
- Average pressure in July:
1020.2mbar - Average pressure in August:
1017.8mbar - Average pressure in September:
1017mbar - Average pressure in October:
1017.7mbar - Average pressure in November:
1014.8mbar - Average pressure in December:
1013.3mbar
The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed
Shellharbour, Australia
- Average wind speed in January:
14.8km/h - Average wind speed in February:
14.6km/h - Average wind speed in March:
14.6km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
14.7km/h - Average wind speed in June:
15.5km/h
- Average wind speed in July:
15.5km/h - Average wind speed in August:
16.2km/h - Average wind speed in September:
15.7km/h - Average wind speed in October:
14.8km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
14.7km/h
The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).
Average humidity
Shellharbour, Australia
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall
Shellharbour, Australia
The wettest month (with the highest rainfall) is February (97mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days
Shellharbour, Australia
- Average rainfall days in January:
17.6 days - Average rainfall days in February:
16.4 days - Average rainfall days in March:
18.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
9.6 days - Average rainfall days in June:
12.7 days
- Average rainfall days in July:
11.6 days - Average rainfall days in August:
9.5 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
16.3 days - Average rainfall days in December:
15.5 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (9.5 days).
Average daylight / Average sunshine
Shellharbour, Australia
- Average daylight in January:
14h and 12min - Average daylight in February:
13h and 18min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 12min - Average daylight in May:
10h and 18min - Average daylight in June:
9h and 54min
- Average daylight in July:
10h and 6min - Average daylight in August:
10h and 54min - Average daylight in September:
11h and 54min - Average daylight in October:
13h and 0min - Average daylight in November:
13h and 54min - Average daylight in December:
14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January:
8h and 36min - Average sunshine in February:
7h and 24min - Average sunshine in March:
7h and 30min - Average sunshine in April:
7h and 54min - Average sunshine in May:
7h and 48min - Average sunshine in June:
5h and 54min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 30min - Average sunshine in September:
8h and 36min - Average sunshine in October:
8h and 24min - Average sunshine in November:
9h and 48min - Average sunshine in December:
9h and 42min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days
Shellharbour, Australia
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
18.9 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
17.9 days - Average sunshine days in August:
19.5 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
10.6 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index
Shellharbour, Australia
The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover
Shellharbour, Australia
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility
Shellharbour, Australia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





