As of 13:09 PDT

South Monrovia Island, CA weather in December

97°

South Monrovia Island, Sunday, 9 August, 13:09

Clear. Feels like 101°. High 97°, low 71°.

Pressure29.85 inHg

Wind7 mph NW

Humidity38%

Visibility6.2 mi

Dew point66°

See detailed hourly forecast

In December, South Monrovia Island, CA averages a high of 65° and a low of 43.8°. About 2.4 inches of precipitation fall over the month (5 wet days). The record high is 86.4° (1979) and the record low 27.7° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.2°	45.7°	5%	82° (2021)	34.5° (2004)
2	67.8°	45.3°	12%	81.9° (1977)	36.1° (2004)
3	67.8°	45.9°	12%	81.1° (1979)	37.2° (2004)
4	67.3°	45.7°	13%	86.4° (1979)	35.1° (2004)
5	67.5°	45.3°	17%	85.6° (1979)	32.2° (1972)
6	67.5°	46°	15%	84.9° (1979)	32° (1978)
7	66.7°	46.6°	28%	82° (2015)	29.3° (1978)
8	66.7°	45°	13%	83.8° (2015)	28.4° (1978)
9	66.6°	44.4°	10%	82.9° (1975)	30.7° (1972)
10	66.4°	44.2°	7%	81.1° (2017)	33.6° (1971)
11	65.5°	44.8°	15%	81.3° (2017)	31.6° (1972)
12	64.4°	43.7°	13%	82.9° (1988)	29.1° (1972)
13	64.4°	43.3°	10%	81.1° (2017)	32.4° (1972)
14	64.8°	42.6°	13%	81° (2017)	29.8° (1967)
15	64.9°	42.6°	8%	81.3° (2017)	32.2° (1987)
16	65.7°	43.5°	22%	84.7° (2013)	34.2° (1971)
17	65.1°	43.9°	18%	83.7° (2013)	34.3° (1965)
18	64.2°	43.7°	20%	79.2° (2024)	32.5° (2008)
19	64°	43.2°	22%	79° (1960)	33.4° (1992)
20	63.9°	42.8°	15%	79° (1999)	30.7° (1967)
21	63.3°	43°	17%	82° (2020)	28.2° (1968)
22	63.1°	43.2°	18%	77.4° (1960)	28° (1990)
23	64°	43°	18%	81.5° (1989)	27.7° (1990)
24	64.8°	42.8°	15%	82.9° (1989)	30.6° (1974)
25	64.8°	43.2°	20%	80.2° (2022)	29.3° (1987)
26	63.5°	42.6°	17%	82° (1980)	28.9° (1987)
27	62.8°	42.1°	15%	82.4° (2013)	29.5° (1987)
28	62.1°	42.6°	23%	81° (1963)	30.9° (2015)
29	62.8°	43°	22%	83.5° (1980)	32.2° (1988)
30	62.8°	42.6°	18%	82.6° (1980)	31.6° (1988)
31	62.8°	42.6°	20%	80.8° (1963)	32.2° (2010)