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San Luis Obispo - Daily Totals for December

  2025 2024 2023 2022
Day Avg.
Temps
Rain
Total
Avg.
Temps
Rain
Total
Avg.
Temps
Rain
Total
Avg.
Temps
Rain
Total
1 N/A N/A 74/45 0 63/50 0 57/47 1.53
2 N/A N/A 70/39 0 65/49 0 56/47 0.11
3 N/A N/A 67/41 0 67/51 0 61/54 1.45
4 N/A N/A 62/39 0 67/58 0 61/50 0.74
5 N/A N/A 74/47 0 78/50 0 60/45 0
6 N/A N/A 76/61 0 63/45 0 55/41 0.29
7 N/A N/A 74/45 0 64/47 0 59/39 0
8 N/A N/A 69/45 0 61/48 0 56/36 0
9 N/A N/A 71/55 0 67/50 0 62/38 0
10 N/A N/A 69/38 0 72/53 0 57/53 2.33
11 N/A N/A 69/39 0 73/59 0 54/45 0.5
12 N/A N/A 60/40 0.17 69/56 0 53/43 0.21
13 N/A N/A 64/40 0 69/43 0 56/40 0
14 N/A N/A 59/43 0.6 73/39 0 59/45 0
15 N/A N/A 62/47 0 76/38 0 58/43 0
16 N/A N/A 61/39 0 77/40 0 66/39 0
17 N/A N/A 66/53 0 74/48 0 63/37 0
18 N/A N/A 72/57 0 61/57 0.8 65/36 0
19 N/A N/A 81/47 0 61/58 0.83 62/33 0
20 N/A N/A 65/42 0 59/52 1.55 64/38 0
21 N/A N/A 64/46 0 62/51 0.05 68/52 0
22 N/A N/A 68/53 0 66/55 0 68/51 0
23 N/A N/A 74/52 0 64/46 0 63/48 0
24 N/A N/A 58/48 0.19 64/45 0 69/56 0
25 N/A N/A 56/46 0 67/48 0 78/50 0
26 N/A N/A 64/51 0 63/43 0 71/45 0
27 N/A N/A 61/51 0.24 63/50 0 57/53 1.57
28 N/A N/A 67/48 0 68/49 0 62/49 0
29 N/A N/A 63/45 0.04 63/55 0.64 56/50 0.07
30 N/A N/A 62/50 0 61/51 0.61 58/55 0.39
31 N/A N/A 62/50 0 59/48 0 57/51 1.87
Totals: N/A N/A 66/46 1.24 66/49 4.48 61/45 11.06

Rainfall measured in inches. Temperatures in Fahrenheit.
* M - Weather station is Missing Data.