Average data for 10 years
1 December
Sunday
+13°
+12°
2 December
Monday
+13°
+11°
3 December
Tuesday
+13°
+11°
4 December
Wednesday
+13°
+11°
5 December
Thursday
+13°
+12°
6 December
Friday
+12°
+10°
7 December
Saturday
+12°
+11°
8 December
Sunday
+13°
+11°
9 December
Monday
+13°
+12°
10 December
Tuesday
+14°
+11°
11 December
Wednesday
+12°
+11°
12 December
Thursday
+11°
+10°
13 December
Friday
+12°
+10°
14 December
Saturday
+11°
+10°
15 December
Sunday
+12°
+10°
16 December
Monday
+12°
+11°
17 December
Tuesday
+12°
+10°
18 December
Wednesday
+11°
+9°
19 December
Thursday
+11°
+10°
20 December
Friday
+12°
+11°
21 December
Saturday
+13°
+11°
22 December
Sunday
+12°
+10°
23 December
Monday
+12°
+10°
24 December
Tuesday
+12°
+10°
25 December
Wednesday
+11°
+9°
26 December
Thursday
+11°
+9°
27 December
Friday
+11°
+10°
28 December
Saturday
+12°
+10°
29 December
Sunday
+12°
+10°
30 December
Monday
+12°
+9°
31 December
Tuesday
+12°
+9°
Cities with similar weather in December
Turkey
Antalya
Spain
Barcelona
Italy
Rome
Greece
Athens
Portugal
Lisbon
December in Sunnyvale is the coldest month of the year. In December, the weather in Sunnyvale is typically warm. Average daily high temperature in December is about 12 degrees above zero. On average, Sunnyvale has 13 sunny, 12 partly cloudy, 5 rainy, and 1 cloudy day in December. The rains are usually light. December as well as January, February, and March is considered the most uncomfortable time to visit Sunnyvale.