Temp
5° C
average
Rain
29 mm
per month
Sun
39 %
chance
Humidity
64 %
average
Weather in United States Of America States in December
During December, the weather in the United States can vary greatly depending on the region. Generally, it is a month of chilly temperatures, occasional rainfall, and brisk winds. While some areas offer mild and pleasant conditions ideal for exploring, others experience cold and snowy weather. Travellers can expect a mix of sunny and overcast days, making it essential to plan outdoor activities accordingly.
December Climate Overview
- Average Temperature: 2°C to 12°C
- Rainfall: Varies from 30 mm to 120 mm depending on the region
- Sunshine Hours: Approximately 5-7 hours per day
- Humidity: 50% to 80%
- Wind Speed: 10 to 20 km/h
What to Expect in December
Daytime Conditions
Daytime temperatures often hover between 2°C and 12°C, with brighter days providing abundant sun exposure in many parts. The weather remains cool and dry in several regions, though the humidity can increase as you move towards coastal areas.
Rainfall Patterns
Rainfall in December varies across the United States, with some regions experiencing sparse showers and others seeing more frequent precipitation due to seasonal patterns. Generally, rain is scattered and manageable, but it is wise to check local forecasts regularly.
Evening Conditions
As the evening settles in, temperatures tend to drop sharply, with brisk winds making it feel even cooler. Nights can be quite chilly, so it’s advisable to have warm clothing. The humidity generally remains moderate, offering relatively comfortable conditions for evening outings.
Best Activities in United States Of America States in December
- Outdoor Activities: December’s cool temperatures and crisp air provide a great backdrop for hiking in national parks and exploring scenic trails.
- Seasonal Highlights: Snowfall in certain areas creates ideal conditions for winter sports such as skiing and snowboarding.
What to Pack for December
- Warm clothing, including layers for daytime and evening temperatures
- Rain protection such as a waterproof jacket or umbrella
- Sturdy footwear for hiking or walking on potentially slippery surfaces
- Reusable water bottle to stay hydrated