Rockville Centre Weather in December
With daytime temperatures of 8°C (46°F) and nighttime lows of 1°C (34°F), December in Rockville Centre brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 122 mm (4.8 in) falls on average.
Rainfall in Rockville Centre in December
You can typically expect 13 days of rain this month, averaging around 122 mm (4.8 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Rockville Centre in December
Expect highs of 8°C (46°F) in Rockville Centre in December, with nights dropping to around 1°C (34°F). During December, you'll experience the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Rockville Centre in December
The area enjoys a moderate level of sunlight, with around 141 hours. It's a good balance between sunny and cloudy days.
Wind Speed in Rockville Centre in December
Wind speeds average 6 m/s (12 knots) during December. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in December
The water sits at 9°C (48°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.December in Rockville Centre has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Rockville Centre's climate page.
Rockville Centre Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
8°C (46°F)
Water Temperature
9°C (48°F) *
Chance of Rain
43%
Precipitation
122 mm (4.8 in)
Rainy days
13 days
Humidity
64% *
Windspeed
6 m/s (12 knots) *
Sunshine
141 hours *
Percentage Sunshine
48% *
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 Rockville Centre 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. With water temperatures around 9°C (48°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Rockville Centre 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 Rockville Centre's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Rockville Centre climate overview or explore weather in the United States of America.
