Union Weather in December
In Union, December brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 2°C (36°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Union in December
With frequent rain showers this month, having an umbrella on hand will keep you dry. Looking at the last 30 years, the data shows about 11 days with rain, averaging 131 mm (5.2 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Union in December
Expect highs of 14°C (57°F) in Union in December, with nights dropping to around 2°C (36°F). This month falls in the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Union. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Union's climate page.
Union Temperature in December
Min Temperature
2°C (36°F)
Max Temperature
14°C (57°F)
Chance of Rain
37%
Precipitation
131 mm (5.2 in)
Rainy days
11 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Union in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Union in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Union's climate page.
See the full Union climate overview or explore weather in the United States of America.
