Weather in December
Temperature
The onset of December notes an average high-temperature of a still comfortable 19.7°C (67.5°F), subtly shifted from November's 18°C (64.4°F). The average low-temperature during December nights is a frosty 9.1°C (48.4°F).Humidity
In Timaru, the average relative humidity in December is 76.3%.Rainfall
December is the month with the most rainfall. Rain falls for 8 days and accumulates 53mm (2.09") of precipitation.Sea temperature
In Timaru, in December, the average water temperature is 14.8°C (58.6°F).Note: One needs to be cautious in 14.8°C (58.6°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
With an average of 15h and 30min of daylight, December has the longest days of the year in Timaru.On the first day of December in Timaru, sunrise is at 5:45 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 9:22 pm NZDT.
Sunshine
In Timaru, the average sunshine in December is 5.8h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
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Average temperature in December
Timaru, New Zealand
- Average high temperature in December: 19.7°C
The warmest month (with the highest average high temperature) is January (21.5°C).
The month with the lowest average high temperature is July (10.6°C).
- Average low temperature in December: 9.1°C
The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is July (-0.6°C).
Average humidity in December
Timaru, New Zealand
- Average humidity in December: 76.3%
The month with the highest relative humidity is May (85.6%).
The month with the lowest relative humidity is November (75.2%).
Average rainfall in December
Timaru, New Zealand
- Average rainfall in December: 52.8mm
The wettest month (with the highest rainfall) is December (52.8mm).
The driest month (with the least rainfall) is September (36.5mm).
Average rainfall days in December
Timaru, New Zealand
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is December (8 days).
The month with the least rainy days is June (5.3 days).
Average sea temperature in December
Timaru, New Zealand
- Average sea temperature in December: 14.8°C
The best month for swimming (with the highest average sea temperature) is February (16.4°C).
The coldest month (with the lowest average sea temperature) is August (9.9°C).
Average daylight in December /
Average sunshine in December
Timaru, New Zealand
- Average daylight in December: 15h and 3min
The month with the longest days is December (Average daylight: 15h and 30min).
The month with the shortest days is June (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is November (Average sunshine: 6h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 0min).
Timaru, New Zealand
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