December Weather in Long Valley

Last updated: March 2, 2024

The weather in Long Valley, United States, during December is characterized by an average temperature of 2°C (36°F). Highs can soar to 16°C (61°F), while lows may dip to -10°C (14°F). Typically, the humidity level in Long Valley throughout December hovers around 80%.

-10°C (14°F)

Minimum temperature

2°C (36°F)

Average temperature

16°C (61°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In December, Long Valley averages 109 mm (4.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 9 hours 16 minutes of daylight, with the sun shining for approximately 5 hours 34 minutes each day. Additionally, there is a 30% probability of sunny days during this period.

109 mm (4.3 inches)

Precipitation

11 rainy days

Rainy days

5 hours 34 minutes

Sunshine hours

30%

Chance of sun

UV Index

In December, the UV Index in Long Valley reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 10:00 and 12:00, during which unprotected skin may burn in as little as 45 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	0	1	1	2	2	2	2	1	1	1	0	0	0
Exposure	Low
Time to burn	45 min