Grand Junction Weather in December

Grand Junction in December sees low daytime temperatures of 3°C (37°F) and nighttime lows of -8°C (18°F). Low snow/rainfall is typical, with around 20 mm (0.8 in) for the month.

Rainfall in Grand Junction in December

Historically, approximately 7 days this month are expected to have snow/rain, averaging 20 mm (0.8 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Grand Junction in December

Daytime temperatures in Grand Junction reach 3°C (37°F) in December, dropping to -8°C (18°F) at night. This month falls in the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. At -8°C (18°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is extremely cold, so be sure to dress in layers to keep warm. Proper preparation can help you stay comfortable.

Sunshine in Grand Junction in December

The city usually sees around 181 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Grand Junction in December

Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

December in Grand Junction can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.