Frost dates for Lyon
◇ Station-measured · 86/100 confidence
Last spring frost (50%)
Apr 15
10% risk to May 2
First fall frost (50%)
Oct 25
10% risk from Oct 8
Frost-free days
193
Apr 15 → Oct 25
Köppen
Cfb
Temperate oceanic
The growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FROST
GROWING SEASON — 193 DAYS
APR 15
OCT 25