The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Iwata, 22
Content continues below
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
25°
21
23°
22
23°
23
21°
24
24°
25
23°
26
22°
27
23°
28
23°
29
26°
30
24°
31
22°
Forecast
Wednesday, May 20, 2026
Day
25°
Feels 25
Wind
16 km/h SW
Gust
24 km/h
Humidity
65%
P.O.P
40%
Rain
<1 mm
Night
21°
Feels 22
Wind
18 km/h E
Gust
28 km/h
Humidity
97%
P.O.P
100%
Rain
10-15 mm
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
21°
Feels 21
Low
15°
Feels 14
Average Precipitation
12 Days
Rain amount
193.9mm
Snow amount
0cm