Average data for 10 years
1 December
Sunday
+9°
+7°
2 December
Monday
+9°
+8°
3 December
Tuesday
+9°
+7°
4 December
Wednesday
+9°
+7°
5 December
Thursday
+8°
+8°
6 December
Friday
+6°
+5°
7 December
Saturday
+4°
+4°
8 December
Sunday
+6°
+4°
9 December
Monday
+6°
+5°
10 December
Tuesday
+6°
+4°
11 December
Wednesday
+6°
+5°
12 December
Thursday
+7°
+5°
13 December
Friday
+4°
+3°
14 December
Saturday
+6°
+5°
15 December
today
+5°
+5°
16 December
tomorrow
+4°
+4°
17 December
Tuesday
+4°
+2°
18 December
Wednesday
+7°
+4°
19 December
Thursday
+4°
+4°
20 December
Friday
+5°
+3°
21 December
Saturday
+9°
+6°
22 December
Sunday
+6°
+5°
23 December
Monday
+5°
+4°
24 December
Tuesday
+6°
+4°
25 December
Wednesday
+5°
+5°
26 December
Thursday
+6°
+3°
27 December
Friday
+6°
+5°
28 December
Saturday
+4°
+2°
29 December
Sunday
+4°
+1°
30 December
Monday
+6°
+2°
31 December
Tuesday
+6°
+2°
Cities with similar weather in December
Bulgaria
Burgas
Bulgaria
Varna
Bulgaria
The Sunny Beach
Ireland
Dublin
Denmark
Copenhagen
In December, the weather in Ronkonkoma is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Ronkonkoma has 9 partly cloudy, 8 cloudy, 7 rainy, and 7 sunny days in December. The rains are usually moderate. December as well as January, February, and March is considered the most uncomfortable time to visit Ronkonkoma.