Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Sullivan Weather in December
Thinking of visiting Sullivan in December? Expect low temperatures reaching 8°C (46°F) during the day, dropping to -3°C (27°F) at night, and note that quite a bit of snow/rainfall is likely.
Rainfall in Sullivan in December
Typically around 9 days of snow/rainfall are expected, averaging 86 mm (3.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Sullivan in December
December in Sullivan sees highs of 8°C (46°F) and lows of -3°C (27°F) overnight. December marks the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop below freezing to -3°C (27°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.December in Sullivan 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.
Sullivan Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
8°C (46°F)
Chance of Rain
30%
Precipitation
86 mm (3.4 in)
Rainy days
9 days
Sullivan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sullivan - and find the best time to visit.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sullivan 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. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Sullivan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling4/10 -
Walking4/10 -
Barbeque1/10 -
Camping1/10 -
Outdoor sports4/10
Sullivan 3-Day Forecast
More climate data for Sullivan
See the full Sullivan climate overview or explore weather in the United States of America.
Popular in December
Where to go in December - average daytime high across popular destinations.
Miami Beach
25°C (77°F) Kissimmee24°C (75°F) Orlando
24°C (75°F) Destin
18°C (64°F) Los Angeles18°C (64°F) Big Bear Lake9°C (48°F) New York City8°C (46°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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