If you only need Nagoya climate: monthly averages, the figures and table here are the whole story. Nagoya runs from 4.2 C in Jan to 27.0 C in Aug, a swing of 22.8 C. Rain is spread through the year, with Jul the wettest month at 7.27 mm/day and Jan the driest at 2.36 mm/day. Taken together that is roughly 1,736 mm of rain a year for the grid cell. Values come from a public open API; a successful result is cached so a later outage never blanks the page. The table underneath carries the per-month breakdown; the related pages cover the same dataset nearby.
Annual mean temperature 15.5 C
Warmest month Aug (27.0 C)
Coldest month Jan (4.2 C)
Wettest month Jul (7.27 mm/day)
All-time record high 34.6 C
All-time record low -3.5 C
Annual precipitation 1,741 mm / year
Coordinates 35.1815, 136.9064
Population 2,332,176
Average monthly temperature and rainfall in Nagoya
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
4.2
2.36
18.5
-3.5
Feb
5.2
2.82
19.5
-3.3
Mar
8.3
3.80
21.1
-2.1
Apr
13.3
4.85
26.2
0.4
May
18.1
5.28
29.9
5.0
Jun
22.1
6.61
32.1
11.6
Jul
26.0
7.27
34.6
18.1
Aug
27.0
5.20
34.6
17.8
Sep
23.8
7.18
33.4
12.6
Oct
18.1
6.11
29.8
6.2
Nov
12.4
3.01
24.1
2.0
Dec
6.7
2.61
21.5
-2.4
What the Nagoya climate table shows
Values are multi-decadal climatological averages for the 35.1815, 136.9064 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
Does Nagoya get the same every year?
Close to it. Averaging decades smooths variation, so treat these as typical rather than guaranteed.