Iwate, Japan Weather

  1. Iwate, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Iwate over the next 12 hours
  7. Temperature and possibility of rain in Iwate in the coming days
  8. Rainfall in Iwate in the coming days
  9. Iwate Weather Summary
  10. Weather averages by month
  11. Iwate's weather
  12. Frequently asked questions
  13. Comments
Iwate, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
16°C
60.8°F
°C °F

Condition: Clear Sky

Pressure: 964 hPa

Feel like: 16 °C

Temperature: 16°C

Cloud: 0%

Humidity: 84%

Wind: SE - 5 km/h

Visibility: 1.58 km

Weather forecast

Wed
05 Aug
20°C / 29°C
Overcast
Thu
06 Aug
21°C / 28°C
Drizzle
Fri
07 Aug
20°C / 28°C
Slight Thunderstorm
Sat
08 Aug
18°C / 24°C
Thunderstorm With Slight
Sun
09 Aug
17°C / 23°C
Partly Cloudy
Hourly forecast today:
14:00 PM
13° / 16°
13° / 16°
Clear Sky
84% 12 km/h
15:00 PM
13° / 16°
13° / 16°
Clear Sky
82% 13 km/h
16:00 PM
12° / 15°
12° / 15°
Clear Sky
83% 12 km/h
17:00 PM
12° / 15°
12° / 15°
Clear Sky
84% 10 km/h
18:00 PM
12° / 15°
12° / 15°
Clear Sky
84% 10 km/h
19:00 PM
12° / 15°
12° / 15°
Clear Sky
85% 12 km/h
20:00 PM
12° / 15°
12° / 15°
Clear Sky
87% 12 km/h
21:00 PM
13° / 16°
13° / 16°
Mainly Clear
85% 11 km/h
22:00 PM
15° / 18°
15° / 18°
Clear Sky
82% 11 km/h
23:00 PM
16° / 19°
16° / 19°
Clear Sky
80% 27 km/h
00:00 AM
17° / 21°
17° / 21°
Clear Sky
77% 31 km/h

30 Day Averages and Extremes

  • Average high 24.93°C
  • Average low 18.27°C
  • Hottest day 29°C (05 August 2026)
  • Coldest day 14°C (03 August 2026)
  • Average humidity 85.77%
  • Days with precipitation 28 days
  • Highest precipitation 99 mm (31 July 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 14°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Iwate over the next 12 hours

Temperature and possibility of rain in Iwate in the coming days

Rainfall in Iwate in the coming days

Iwate Climate Summary

Iwate features a Humid continental, no dry season, warm summer (Köppen classification: Dfb), with an average annual temperature of 9.31ºC (48.76ºF), which is about -5.88% lower than the national average for Japan. Annually, the city experiences approximately 68.05 millimeters (2.68 inches) of rainfall, spread across 148.47 rainy days, accounting for 40.68% of the year.

Longitude 39.5832989
Latitude 141.2534574
Yearly high temperature 11.97ºC (53.55ºF)
Yearly low temperature 4.06ºC (39.31ºF)
Hottest month August 25.91ºC (78.64ºF)
Coldest month February -8.63ºC (16.47ºF)
Yearly precip 68.05mm (2.68in)
Days with rainfall 148.47 days (40.68%)
Driest month May (78.7%)
Wettest month July (88.4%)

Weather averages by month

Month High / Low (°C) Rain
January -2.1° / -8.28° 14.73 days
February -1.21° / -8.63° 11.36 days
March 3.32° / -4.06° 12.0 days
April 9.96° / 1.33° 10.91 days
May 17.3° / 7.2° 8.82 days
June 21.03° / 11.24° 12.73 days
July 24.6° / 16.53° 16.73 days
August 25.91° / 17.36° 14.64 days
September 21.5° / 13.31° 11.64 days
October 14.77° / 6.41° 8.45 days
November 7.77° / 0.87° 10.55 days
December 0.74° / -4.61° 15.91 days

Iwate's weather

Frequently asked questions

1. What is the hottest month in Iwate?

August has the highest average monthly temperature (daily mean of 25.91ºC) and February are the coolest (daily mean of -8.63ºC).

2. What should I wear in Iwate today?

For today's very hot weather in Iwate, with the high temperatures above 26ºC (78.8ºF), consider wearing:
- Wide-brimmed sun hat
- Open-toed sandals or light sneakers
- Loose and airy fabrics like linen or cotton
- Lightweight t-shirt or tank top

Temperature

Early
16°C / 25°C
Morning
16°C / 22°C
Afternoon
13°C / 16°C
Evening
13°C / 16°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 454
  • CO 101
  • NH3 0
  • NO2 7
  • O3 42
  • PM10 16
  • PM25 12
  • SO2 1
  • CH4 1,363

Sunrise / Sunset

19:37
09:44