10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Mainly clear
13°
Feels like 13°
Wind↑ ESE 4 km/h
Humidity 56 %
Evening
Partly cloudy
12°
Feels like 12°
Wind↑ E 6 km/h
Humidity 68 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
15°
Feels like 15°
Wind↑ NNE 11 km/h
Gusts22 km/h
Humidity 61 %
Evening
Clear sky
13°
Feels like 13°
Wind↑ NE 13 km/h
Gusts29 km/h
Humidity 73 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
15°
Feels like 15°
Wind↑ NE 10 km/h
Gusts21 km/h
Humidity 68 %
Evening
Clear sky
12°
Feels like 12°
Wind↑ ESE 7 km/h
Humidity 67 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
15°
Feels like 15°
Wind↑ E 4 km/h
Humidity 62 %
Evening
Mainly clear
13°
Feels like 13°
Wind↑ E 7 km/h
Humidity 77 %
Wakayama forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Wakayama climate: what a normal year looks like
The hottest stretch is August, when afternoons average 30 °C; the coldest is January, when nights average 4 °C. Between those two months the average temperature changes by 22 °C.
A normal year brings roughly 1,730 mm of rain — more than 82% of the towns of 20,000+ people we compared it with.
Typical highs of 30 °C or more are reached in August only, at 30 °C.
From 14 h 26 min of daylight in late June to 9 h 52 min in late December.
Forecast highs for the coming week average 20 °C, 2 °C cooler than a normal October (22 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
8 °C
4 °C
91 mm
Feb
10 °C
4 °C
95 mm
Mar
13 °C
7 °C
130 mm
Apr
17 °C
11 °C
130 mm
May
22 °C
16 °C
152 mm
Jun
25 °C
20 °C
244 mm
Jul
29 °C
24 °C
198 mm
Aug
30 °C
25 °C
125 mm
Sep
27 °C
22 °C
189 mm
Oct
22 °C
16 °C
183 mm
Nov
17 °C
11 °C
102 mm
Dec
12 °C
6 °C
93 mm
Whole year
19 °C
14 °C
1,730 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 34.23° N, 135.17° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Wakayama: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.57µg/m³
PM108µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Wakayama
Rain observed over the last two hours by official weather radars around Wakayama, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
No open weather radar covers Wakayama yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Wakayama
Waning gibbous
79 % illuminated · 19.3 days
Rise 15:22 Set 05:42
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Wed11/113%
Moonrise and moonset in local time (Asia/Tokyo); phase and lit fraction from a synodic calculation.
Look up a past day in Wakayama
Curious about the weather in Wakayama on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Wakayama weather at a glance
This page gathers everything about the weather in Wakayama, Wakayama: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “light rain”, it is 15 °C (feels like 15 °C) and the wind blows at 7 km/h.
Expected range today: 15 °C to 20 °C and around 21 mm of rain; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Wakayama forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
