Ronkonkoma Weather in December

Ronkonkoma in December sees low temperatures, with highs around 8°C (46°F) and overnight lows of 0°C (32°F). Rainfall is at its peak this month, around 133 mm (5.2 in) on average, so waterproofs are essential.

Rainfall in Ronkonkoma in December

This is the wettest month of the year, so having an umbrella ready is a smart choice. Analyzing past climate data, one can expect approximately 12 days of snow/rain, averaging 133 mm (5.2 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Ronkonkoma in December

Temperatures in Ronkonkoma in December top out at 8°C (46°F) and drop to 0°C (32°F) overnight. December marks the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 0°C (32°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Ronkonkoma in December

With about 141 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

December in Ronkonkoma 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.

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

Ronkonkoma Temperature in December

Min Temperature 0°C (32°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 40%  

Precipitation 133 mm (5.2 in)  

Rainy days 12 days  

Humidity 64% *  

Sunshine 141 hours *  

Percentage Sunshine 48% *  

* Data from: New York City, the United States of America (65 KM, 40 Miles).

What to Wear in Ronkonkoma in December

We recommend to layer up for chilly conditions in Ronkonkoma 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Ronkonkoma 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

1/10

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 Ronkonkoma's climate page.

More climate data for Ronkonkoma

Temperature Rainfall Sunshine Humidity

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