Santa Margarita Lake Rainfall Forecast

Today 29 Dec
No Rain
Tue 30 Dec
25%
Wed 31 Dec
75%
Thu 1 Jan
75%
Fri 2 Jan
70%
Sat 3 Jan
60%
Sun 4 Jan
50%

Santa Margarita Lake Rainfall Statistics

December Rainfall

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

Total Rainfall 2025
16.9in
Daily Average 2025
0.05in
Wettest Day 13 February, 2025
2.6in
Wet Days 2025
36/363 (10%)
Total Rainfall November
3.7in
Daily Average November
0.1in
Wettest Day 13 November, 2025
1.2in
Wet Days November
8/30 (27%)
Total Rainfall December
2.5in
Daily Average December
0.1in
Wettest Day 24 December, 2025
1.3in
Wet Days December
3/29 (10%)

Climate (2010–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

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Annual Average 2020–2024
14.9in
Monthly Average 2020–2025
1.4in
Daily Average 2020–2025
0.05in
Wettest Day 9 January, 2023
4in

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