June weather forecast
Newcastle, Australia

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Weather in June

June witnesses more evident signs of winter in Newcastle. Temperatures reach their lowest point, while rainfall and relative humidity also decrease. The sea also gets colder, making water activities less attractive to tourists and locals. Despite shorter daylight hours, the sunlight duration doesn't change considerably from May. The wind speed sees a slight increase, adding to the overall cooling effect in the city's weather.

Temperature

June in Newcastle notes an average high-temperature of a still enjoyable 16.7°C (62.1°F), subtly differing from May's 19.4°C (66.9°F). Newcastle's June nights observe a minor shift from the daytime temperatures, resulting in an average dip to a cool 12.1°C (53.8°F).

Humidity

In Newcastle, the average relative humidity in June is 76%.

Rainfall

In June, the rain falls for 15.2 days. Throughout June, 67mm (2.64") of precipitation is accumulated. Throughout the year, there are 160.9 rainfall days, and 620mm (24.41") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature in Newcastle, Australia, is 20.2°C (68.4°F).
Note: Swimming is not enjoyable for most people in water that is 20.2°C (68.4°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.

Daylight

June has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of June, sunrise is at 6:47 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm AEST.

Sunshine

June has the least sunshine of the year, with an average of 5.8h of sunshine.

UV index

May through August, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 4 in June leads to these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the average June temperature in Newcastle?

During June, Newcastle experiences an average high-temperature of 16.7°C (62.1°F) and a low-temperature of 12.1°C (53.8°F).

What is the average humidity in June in Newcastle?

The average relative humidity in June in Newcastle is 76%.

How much does it rain in Newcastle in June?

In Newcastle, Australia, during June, the rain falls for 15.2 days and regularly aggregates up to 67mm (2.64") of precipitation.

How cold is the water in June in Newcastle?

In June, the average sea temperature in Newcastle is 20.2°C (68.4°F). For most, swimming in 20.2°C (68.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the month with the shortest days in Newcastle?

June has the shortest days of the year in Newcastle, Australia, with an average of 10h and 0min of daylight.

What is the average length of the day in June in Newcastle?

In Newcastle, the average day length in June is 10h and 1min.

What time are sunrise and sunset in June in Newcastle?

On the first day of June in Newcastle, Australia, sunrise is at 6:47 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm AEST.

What is the month with the least sunshine in Newcastle?

The month with the least sunshine in Newcastle is June, with an average of 5.8h of sunshine.

How long on average sun shines in June in Newcastle?

In Newcastle, the average sunshine duration in June is 5.8h.

What are the months with the lowest UV index in Newcastle?

May through August, with an average maximum UV index of 4, are months with the lowest UV index in Newcastle.

What is the UV index intensity in June in Newcastle?

In June, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Average temperature in June
Newcastle, Australia

Average temperature in June - Newcastle, Australia
  • Average high temperature in June: 16.7°C

The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in June: 12.1°C

The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).

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Average pressure in June
Newcastle, Australia

Average pressure in June - Newcastle, Australia
  • Average pressure in June: 1020.9mbar

The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

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Average wind speed in June
Newcastle, Australia

Average wind speed in June - Newcastle, Australia
  • Average wind speed in June: 16.4km/h

The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).

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Average humidity in June
Newcastle, Australia

Average humidity in June - Newcastle, Australia
  • Average humidity in June: 76%

The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are August and September (69%).

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Average rainfall in June
Newcastle, Australia

Average rainfall in June - Newcastle, Australia
  • Average rainfall in June: 67mm

The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the least rainfall) is August (34mm).

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Average rainfall days in June
Newcastle, Australia

Average rainfall days in June - Newcastle, Australia
  • Average rainfall days in June: 15.2 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (10.2 days).

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Average sea temperature in June
Newcastle, Australia

Average sea temperature in June - Newcastle, Australia
  • Average sea temperature in June: 20.2°C

The best month for swimming (with the highest average sea temperature) is February (24°C).
The coldest month (with the lowest average sea temperature) is August (18.9°C).

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Average daylight in June /
Average sunshine in June
Newcastle, Australia

Average daylight in June / Average sunshine in June - Newcastle, Australia
  • Average daylight in June: 10h and 0min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in June: 5h and 5min

The months with the most sunshine are November and December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

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Average sunshine days in June
Newcastle, Australia

Average sunshine days in June - Newcastle, Australia
  • Average sunshine days in June: 13.4 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in June
Newcastle, Australia

Average UV index in June - Newcastle, Australia
  • Average UV index in June: 4

The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).

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Average cloud cover in June
Newcastle, Australia

Average cloud cover in June - Newcastle, Australia
  • Average cloud cover in June: 37

The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are August and September (Cloud cover 24).

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Average visibility in June
Newcastle, Australia

Average visibility in June - Newcastle, Australia
  • Average visibility in June: 10km

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).

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Newcastle, Australia

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