Union City Weather in December

In Union City, December brings low daytime temperatures around 8°C (46°F), with nights cooling to 1°C (34°F). Expect quite a bit of rainfall this month.

Rainfall in Union City in December

On average, there are about 12 days with rain during this month, averaging 127 mm (5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Union City in December

December in Union City brings low temperatures, with highs of 8°C (46°F) and nights around 1°C (34°F). December marks the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 1°C (34°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Union City in December

The month brings about 141 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Union City in December

Average wind conditions reach 6 m/s (12 knots) in December. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in December

With water temperatures around 9°C (48°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Union City. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Union City's climate page.

Union City Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 8°C (46°F)  

Water Temperature 9°C (48°F) *  

Chance of Rain 39%  

Precipitation 127 mm (5 in)  

Rainy days 12 days  

Humidity 64% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 141 hours *  

Percentage Sunshine 48% *  

* Data from: New York City, the United States of America (10 KM, 6 Miles).

What to Wear in Union City in December

We recommend to layer up for chilly conditions in Union City in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 9°C (48°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Union City in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Union City's climate page.

More climate data for Union City

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Union City climate overview or explore weather in the United States of America.