Current Season
What season is it in Isumi?
Astronomical Season
winter
Based on Earth's position relative to the sun
Meteorological Season
winter
Based on temperature cycles and weather patterns
spring begins on March 20, 2026 (65 days from now)
Season Timeline for 2026
spring
Mar 20
Next
summer
Jun 21
Future
fall
Sep 23
Future
winter
Dec 21
Current
Hottest Month
August
Peak: 29°C
Average: 27°C
Coldest Month
January
Low: 6°C
Average: 9°C
Wettest Month
September
221 mm rain
Best Time to Visit
Climate varies throughout the year
Monthly Climate Data
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
Current
6 °C
11 °C
30 km/h
95 mm
0 cm
Feb
7 °C
11 °C
30 km/h
103 mm
0 cm
Mar
10 °C
14 °C
29 km/h
161 mm
0 cm
Apr
14 °C
17 °C
29 km/h
132 mm
0 cm
May
18 °C
21 °C
26 km/h
146 mm
0 cm
Jun
21 °C
23 °C
24 km/h
221 mm
0 cm
Jul
24 °C
27 °C
24 km/h
163 mm
0 cm
Aug
26 °C
29 °C
23 km/h
120 mm
0 cm
Sep
24 °C
26 °C
25 km/h
221 mm
0 cm
Oct
19 °C
22 °C
27 km/h
210 mm
0 cm
Nov
14 °C
18 °C
28 km/h
161 mm
0 cm
Dec
9 °C
13 °C
29 km/h
96 mm
0 cm
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