United States · 1991–2020 normal

San Ysidro in
May.

Typical May weather in San Ysidro: 30.7°C by day, 12.3°C at night, 10 mm of rain over 1.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.7°C
Typical low12.3°C
Rain10 mm
Wet days1.5

Comfort score 73 this month (October leads the year at 81). Daylight is calculated as 13 h 48 from latitude 32.35°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5489914
NOAA station
USC00298535 · STATE UNIV
Station distance
9 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

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