January weather forecast
Tumby Bay, Australia

January

Weather in January

January is a moderately hot summer month in Tumby Bay, Australia, with an average temperature fluctuating between 23.7°C (74.7°F) and 18.3°C (64.9°F).

Temperature

In Tumby Bay, Australia, the month of January registers the highest temperatures, averaging 23.7°C (74.7°F) at the peak and 18.3°C (64.9°F) at the lowest.

Humidity

The average relative humidity in January is 66%.

Rainfall

In Tumby Bay, during January, the rain falls for 5.8 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 139 rainfall days, and 280mm (11.02") of precipitation is accumulated.

Sea temperature

In Tumby Bay, the average seawater temperature in January is 20.3°C (68.5°F).
Note: In water of 20.3°C (68.5°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in January in Tumby Bay is 14h and 9min.
On the first day of January, sunrise is at 6:16 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:33 pm ACDT.

Sunshine

The month with the most sunshine is January, with an average of 8.8h of sunshine.

UV index

January and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 6 translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What are the warmest months?
January is the month that records the highest temperatures, with averages ranging from a high of 23.7°C (74.7°F) to a low of 18.3°C (64.9°F).
What are the temperatures in January?
The average high-temperature and low-temperature during January are 23.7°C (74.7°F) and 18.3°C (64.9°F) respectively.
What is the average humidity in January?
In January, the average relative humidity in Tumby Bay is 66%.
How much does it rain in January?
In Tumby Bay, in January, it is raining for 5.8 days, with typically 12mm (0.47") of accumulated precipitation.
What is the sea water temperature in January?
In Tumby Bay, in January, the average water temperature is 20.3°C (68.5°F). Swimming in 20.3°C (68.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
How many hours of daylight does Tumby Bay have in January?
The average day length in January is 14h and 9min.
When is the sunrise / sunset in January?
In January, on the first day of the month, sunrise is at 6:16 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:33 pm ACDT.
What month has the most sunshine?
January has the most sunshine of the year, with an average of 8.8h of sunshine.
How long on average sun shines in January?
In January, the average sunshine duration is 8.8h.
When is the highest UV index?
January and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in January?
The average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Tumby Bay, Australia
  • Average high temperature in January: 23.7°C

The warmest month (with the highest average high temperature) is January (23.7°C).
The month with the lowest average high temperature is July (15.2°C).

  • Average low temperature in January: 18.3°C

The month with the highest average low temperature is February (18.4°C).
The coldest month (with the lowest average low temperature) is August (11.4°C).

Average pressure in January
Tumby Bay, Australia
  • Average pressure in January: 1013.1mbar

The month with the highest atmospheric pressure is June (1021.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).

Average wind speed in January
Tumby Bay, Australia
  • Average wind speed in January: 20.8km/h

The windiest month (with the highest average wind speed) is August (23.3km/h).
The calmest month (with the lowest average wind speed) is April (18.3km/h).

Average humidity in January
Tumby Bay, Australia
  • Average humidity in January: 66%

The months with the highest relative humidity are July, August and September (70%).
The month with the lowest relative humidity is December (65%).

Average rainfall in January
Tumby Bay, Australia
  • Average rainfall in January: 12mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is February (11mm).

Average rainfall days in January
Tumby Bay, Australia
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (5.8 days).

Average sea temperature in January
Tumby Bay, Australia
  • Average sea temperature in January: 20.3°C

The best month for swimming (with the highest average sea temperature) is February (20.7°C).
The coldest month (with the lowest average sea temperature) is August (14.7°C).

Average daylight in January /
Average sunshine in January
Tumby Bay, Australia
  • Average daylight in January: 14h and 1min

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 5min

The month with the most sunshine is January (Average sunshine: 8h and 48min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

Average sunshine days in January
Tumby Bay, Australia
  • Average sunshine days in January: 21.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in January
Tumby Bay, Australia
  • Average UV index in January: 6

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 in January
Tumby Bay, Australia
  • Average cloud cover in January: 25

The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 25).

Average visibility in January
Tumby Bay, Australia
  • Average visibility in January: 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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