December Weather in Cromwell

Last updated: March 2, 2024

The weather in Cromwell, New Zealand, during December is characterized by an average temperature of 12°C (55°F). Highs can soar to 23°C (73°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Cromwell throughout December hovers around 86%.

3°C (38°F)

Minimum temperature

12°C (55°F)

Average temperature

23°C (73°F)

Maximum temperature

86%

Humidity

Precipitation and Sunshine hours

In December, Cromwell averages 114 mm (4.5 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 15 hours 31 minutes of daylight, with the sun shining for approximately 10 hours 27 minutes each day. Additionally, there is a 27% probability of sunny days during this period.

114 mm (4.5 inches)

Precipitation

14 rainy days

Rainy days

10 hours 27 minutes

Sunshine hours

27%

Chance of sun

UV Index

In December, the UV Index in Cromwell reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	3	6	9	11	12	13	11	9	6	4	2
Exposure	Low		Moderate	High	VeryHigh	Extreme				VeryHigh	High	Moderate	Low
Time to burn	45 min		30 min	25 min	15 min	10 min				15 min	25 min	30 min	45 min