As of 23:53 PDT

Rialto, CA weather in January

80°

Rialto, Saturday, 8 August, 23:53

Clear. Feels like 80°. High 95°, low 67°.

Pressure29.88 inHg

Wind3 mph W

Humidity35%

Visibility6.2 mi

Dew point50°

See detailed hourly forecast

In January, Rialto, CA averages a high of 60.8° and a low of 39.6°. About 3.8 inches of precipitation fall over the month (7 wet days). The record high is 85.5° (2003) and the record low 21.2° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	59°	37.4°	12%	78.6° (2012)	27.9° (1976)
2	59.4°	37.2°	22%	79.2° (2012)	25.9° (1976)
3	59.2°	38.1°	25%	80.1° (2012)	25° (1971)
4	58.6°	38.1°	25%	81.1° (2012)	21.7° (1972)
5	59.4°	38.7°	33%	79.2° (2012)	23.2° (1972)
6	59.7°	39°	27%	75.9° (1969)	25.7° (1971)
7	60.1°	39.2°	23%	76.3° (2015)	24.3° (1971)
8	60.6°	39.2°	17%	75.4° (2002)	26.6° (1965)
9	60.1°	40.1°	25%	78.3° (1990)	27.1° (1989)
10	60.8°	40.1°	23%	79° (1990)	28.8° (1977)
11	61.2°	39.7°	18%	74.8° (1986)	25.2° (1962)
12	61°	39.6°	17%	75° (1996)	27.1° (1962)
13	62.6°	39.2°	17%	76.6° (2021)	21.2° (1963)
14	62.4°	40.5°	18%	79.7° (2021)	24.1° (2013)
15	62.1°	41°	20%	83.1° (2021)	26.1° (2007)
16	61.3°	41.2°	28%	83.5° (2021)	25.9° (2001)
17	61.9°	40.8°	23%	80.2° (1976)	23.9° (1960)
18	62.8°	39.6°	15%	79.5° (2014)	28.4° (1960)
19	61.7°	41°	23%	78.8° (1971)	28.2° (1960)
20	61°	40.5°	20%	78.1° (2014)	26.2° (1963)
21	60.4°	39.9°	25%	75.9° (1975)	26.1° (1966)
22	60.6°	39.2°	17%	75.9° (2014)	27.9° (1982)
23	61°	40.3°	18%	75° (2013)	26.1° (1962)
24	61.5°	39.9°	18%	75.9° (1975)	24.4° (1962)
25	61.9°	39.9°	25%	76.5° (2015)	22.6° (1962)
26	60.6°	40.8°	25%	77.9° (2003)	27.7° (1962)
27	60.3°	40.3°	25%	76.5° (1986)	27.5° (1979)
28	61.2°	39.2°	25%	77.4° (2018)	29.1° (1999)
29	61.3°	39.6°	17%	80.2° (2018)	23.4° (1979)
30	60.4°	39.7°	22%	80.2° (2018)	28° (2002)
31	60.6°	39.7°	25%	85.5° (2003)	26.4° (1972)