Weather in San Bernardino in March
In an average March, San Bernardino sees a daily high around 66°F and a low around 45°F, based on 1980–2026 of local climate records.
| Average high | 66°F |
|---|---|
| Typical high range | 54°F to 77°F |
| Average low | 45°F |
| Typical low range | 38°F to 52°F |
| Average daily precipitation | 0.10 in |
March records
The most extreme March on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
94°F
2026-03-19
Lowest
41°F
2006-03-11
Low
Highest
60°F
2026-03-21
Lowest
29°F
2023-03-02
Feels-like
Highest
96°F
2026-03-19
Lowest
22°F
2023-03-02
Humidity
Highest
11.4 g/m³
1986-03-29
Lowest
1.4 g/m³
2021-03-01
Wind
Highest
14 mph
2000-03-31
Lowest
3 mph
1982-03-12
Gust
Highest
52 mph
1983-03-01
Lowest
12 mph
2023-03-03
Precip
Wettest
9.29 in
1991
Driest
0.01 in
2026
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