December weather forecast
Invercargill, New Zealand

Weather in December

The first month of the summer, December, is an enjoyable month in Invercargill, New Zealand, with temperature in the range of an average high of 16.8°C (62.2°F) and an average low of 9°C (48.2°F).

Temperature

In December, the average high-temperature is almost the same as in November - a comfortable 16.8°C (62.2°F). In Invercargill, in December, the average low-temperature is 9°C (48.2°F).

Humidity

January, October through December, with an average relative humidity of 79%, are the least humid months in Invercargill.

Rainfall

In Invercargill, during December, the rain falls for 17.7 days and regularly aggregates up to 65mm (2.56") of precipitation. In Invercargill, during the entire year, the rain falls for 219.7 days and collects up to 744mm (29.29") of precipitation.

Snowfall

In Invercargill, snow does not fall in January through April, June, July, October through December.

Daylight

December has the longest days of the year in Invercargill, with an average of 15h and 44min of daylight.
On the first day of the month, sunrise is at 5:50 am and sunset at 9:20 pm. On the last day of December, sunrise is at 5:56 am and sunset at 9:41 pm NZDT.

Sunshine

The month with the most sunshine is December, with an average of 9.7h of sunshine.

UV index

January through March and December, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 in December transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the least humid month in Invercargill?

The months with the lowest humidity in Invercargill are January, October through December, with an average relative humidity of 79%.

What is the average humidity in December in Invercargill?

In Invercargill, the average relative humidity in December is 79%.

How many days does it rain in December in Invercargill?

In December, in Invercargill, the rain falls for 17.7 days. Throughout December, 65mm (2.56") of precipitation is accumulated.

When it does not snow in Invercargill?

January through April, June, July, October through December are months without snowfall in Invercargill, New Zealand.

When are the longest days in Invercargill?

December has the longest days of the year, with an average of 15h and 44min of daylight.

How many hours of daylight does Invercargill have in December?

The average day length in December in Invercargill, New Zealand, is 15h and 44min.

When are sunrise and sunset in December in Invercargill?

In December, on the first day of the month, sunrise is at 5:50 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 9:41 pm NZDT.

What month has the most sunshine in Invercargill?

The month with the most sunshine in Invercargill, New Zealand, is December, with an average of 9.7h of sunshine.

How many hours of sunshine does Invercargill have in December?

In December, the average sunshine duration in Invercargill, New Zealand, is 9.7h.

When is the highest UV index in Invercargill?

January through March and December, with an average maximum UV index of 4, are months with the highest UV index in Invercargill, New Zealand.

What is the UV index intensity in December in Invercargill?

In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Invercargill, New Zealand

Average temperature in December - Invercargill, New Zealand
  • Average high temperature in December: 16.8°C

The warmest month (with the highest average high temperature) is January (17.1°C).
The month with the lowest average high temperature is July (9.7°C).

  • Average low temperature in December: 9°C

The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is August (5.2°C).

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Average pressure in December
Invercargill, New Zealand

Average pressure in December - Invercargill, New Zealand
  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is March (1015.8mbar).
The month with the lowest atmospheric pressure is September (1009.2mbar).

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Average wind speed in December
Invercargill, New Zealand

Average wind speed in December - Invercargill, New Zealand
  • Average wind speed in December: 16km/h

The windiest month (with the highest average wind speed) is October (19.1km/h).
The calmest month (with the lowest average wind speed) is March (15km/h).

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Average humidity in December
Invercargill, New Zealand

Average humidity in December - Invercargill, New Zealand
  • Average humidity in December: 79%

The month with the highest relative humidity is May (83%).
The months with the lowest relative humidity are January, October, November and December (79%).

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Average rainfall in December
Invercargill, New Zealand

Average rainfall in December - Invercargill, New Zealand
  • Average rainfall in December: 65mm

The wettest months (with the highest rainfall) are January and November (76mm).
The driest month (with the least rainfall) is August (46mm).

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Average rainfall days in December
Invercargill, New Zealand

Average rainfall days in December - Invercargill, New Zealand
  • Average rainfall days in December: 17.7 days

The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is February (15.7 days).

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Average snowfall in December
Invercargill, New Zealand

Average snowfall in December - Invercargill, New Zealand
  • Average snowfall in December: 0mm

The month with the highest snowfall is August (13mm).
The months with the least snowfall are January, February, March, April, June, July, October, November and December (0mm).

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Average snowfall days in December
Invercargill, New Zealand

Average snowfall days in December - Invercargill, New Zealand
  • Average snowfall days in December: 0 days

The months with the highest number of snowfall days are August and September (0.3 days).
The months with the least snowfall days are January, February, March, April, June, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Invercargill, New Zealand

Average daylight in December / Average sunshine in December - Invercargill, New Zealand
  • Average daylight in December: 15h and 44min

The month with the longest days is December (Average daylight: 15h and 44min).
The month with the shortest days is June (Average daylight: 8h and 39min).

  • Average sunshine in December: 9h and 42min

The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).

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Average sunshine days in December
Invercargill, New Zealand

Average sunshine days in December - Invercargill, New Zealand
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is June (11.6 days).
The month with the least sunshine days is October (7.1 days).

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Average UV index in December
Invercargill, New Zealand

Average UV index in December - Invercargill, New Zealand
  • Average UV index in December: 4

The months with the highest UV index are January, February, March and December (UV index 4).
The month with the lowest UV index is June (UV index 2).

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Average cloud cover in December
Invercargill, New Zealand

Average cloud cover in December - Invercargill, New Zealand
  • Average cloud cover in December: 50

The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 49).

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Average visibility in December
Invercargill, New Zealand

Average visibility in December - Invercargill, New Zealand
  • Average visibility in December: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

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