Sunnyside Weather in December
Sunnyside in December sees low temperatures, with highs around 3°C (37°F) and overnight lows of -5°C (23°F). Rainfall is at its peak this month, around 29 mm (1.1 in) on average, so waterproofs are essential.
Rainfall in Sunnyside in December
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. You can expect snow/rain on roughly 10 days based on historical data, averaging 29 mm (1.1 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sunnyside in December
Temperatures in Sunnyside in December top out at 3°C (37°F) and drop to -5°C (23°F) overnight. The winter season is characteristic of December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -5°C (23°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Sunnyside. 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 Sunnyside's climate page.
Sunnyside Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
3°C (37°F)
Chance of Rain
34%
Precipitation
29 mm (1.1 in)
Rainy days
10 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 →
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What to Wear in Sunnyside in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Pack a light rain jacket or compact umbrella for occasional showers.What To Do in Sunnyside 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 Sunnyside's climate page.
See the full Sunnyside climate overview or explore weather in the United States of America.
