Weather in San Bernardino in May
In an average May, San Bernardino sees a daily high around 75°F and a low around 53°F, based on 1980–2026 of local climate records.
| Average high | 75°F |
|---|---|
| Typical high range | 64°F to 87°F |
| Average low | 53°F |
| Typical low range | 47°F to 60°F |
| Average daily precipitation | 0.00 in |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
102°F
1984-05-29
Lowest
52°F
1998-05-13
Low
Highest
71°F
1984-05-30
Lowest
40°F
2017-05-07
Feels-like
Highest
108°F
1984-05-28
Lowest
34°F
2017-05-07
Humidity
Highest
14.2 g/m³
2003-05-29
Lowest
1.9 g/m³
2013-05-03
Wind
Highest
14 mph
1988-05-29
Lowest
4 mph
2016-05-02
Gust
Highest
42 mph
1988-05-06
Lowest
12 mph
2016-05-02
Precip
Wettest
3.54 in
1998
Driest
0.04 in
1985
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