Iwami Arpt
Weather station · 34.7°N 131.8°E · 54 m above sea level
ICAO RJOWWMO 47783Station data since 1955
Record high
31.8°C
in 1961
Record low
12.8°C
in 1964
Average high
25.0°C
all years on record
6.8°C short of the record for 23 September
Today’s high 25.0°C against 31.8°C in 1961. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
37.7°C
- Date
- Sunday, 7 August 1960
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Iwami Arpt, Japan
- Position
- 34.68°N 131.79°E · 54 m
Highest highest in available records since 1955. Source: NOAA GHCN-Daily.
All-time record low
−6.8°C
- Date
- Thursday, 26 February 1981
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Iwami Arpt, Japan
- Position
- 34.68°N 131.79°E · 54 m
Highest and lowest lowest in available records since 1955. Source: NOAA GHCN-Daily.
Where Iwami Arpt is
34.68°N 131.79°E
Every year on record
1955 to 1989
Annual average · °C
Trend over 35 years with data: -0.15 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
18.3°
−5.8°
Feb
22.2°
−6.8°
Mar
25.7°
−3.9°
Apr
29.5°
−0.3°
May
30.5°
3.0°
Jun
33.3°
8.6°
Jul
36.2°
12.2°
Aug
37.7°
15.2°
Sep
35.8°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 25.0°C | 05:00 UTC | 22.0°C | 00:00 UTC |
| 2026-09-22 | 19.0°C | 23:00 UTC | 19.0°C | 23:00 UTC |
Nearby stations
- HiroshimaJapan69.3 km
- Iwakuni ArptJapan71.9 km
- Yamaguchi/Ube ArptJapan95.2 km
- Hiroshima ArptJapan107 km
- Kitakyushu ArptJapan115.4 km
- Matsuyama ArptJapan125.7 km
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1955 to 1989 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |
