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:
29°C
84.2°F
°C °F

Condition: Clear Sky

Pressure: 960 hPa

Feel like: 34 °C

Temperature: 29°C

Cloud: 11%

Humidity: 71%

Wind: SSW - 7 km/h

Visibility: 35.92 km

Weather forecast

Fri
07 Aug
20°C / 29°C
Slight Thunderstorm
Sat
08 Aug
19°C / 26°C
Drizzle
Sun
09 Aug
18°C / 24°C
Overcast
Mon
10 Aug
18°C / 24°C
Drizzle
Tue
11 Aug
18°C / 24°C
Drizzle
Hourly forecast today:
06:00 AM
23° / 29°
23° / 29°
Clear Sky
71% 22 km/h
07:00 AM
23° / 28°
23° / 28°
Clear Sky
72% 20 km/h
08:00 AM
23° / 28°
23° / 28°
Clear Sky
75% 19 km/h
09:00 AM
23° / 26°
23° / 26°
Clear Sky
81% 15 km/h
10:00 AM
22° / 25°
22° / 25°
Clear Sky
83% 12 km/h
11:00 AM
22° / 24°
22° / 24°
Mainly Clear
88% 17 km/h
12:00 PM
22° / 23°
22° / 23°
Mainly Clear
92% 22 km/h
13:00 PM
22° / 23°
22° / 23°
Mainly Clear
94% 22 km/h
14:00 PM
22° / 23°
22° / 23°
Mainly Clear
94% 19 km/h
15:00 PM
21° / 23°
21° / 23°
Mainly Clear
90% 14 km/h
16:00 PM
21° / 23°
21° / 23°
Partly Cloudy
90% 12 km/h

30 Day Averages and Extremes

  • Average high 23.63°C
  • Average low 17.07°C
  • Hottest day 30°C (06 August 2026)
  • Coldest day 0°C (19 August 2026)
  • Average humidity 82.53%
  • Days with precipitation 27 days
  • Highest precipitation 99 mm (31 July 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 20°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 30ºC (86.0ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Lightweight, loose-fitting shorts
- Sleeveless tops or vests
- Light, natural fabrics (like cotton or linen)

Temperature

Early
23°C / 27°C
Morning
23°C / 26°C
Afternoon
21°C / 23°C
Evening
22°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 424
  • CO 117
  • NH3 0
  • NO2 1
  • O3 81
  • PM10 8
  • PM25 7
  • SO2 1
  • CH4 1,374

Sunrise / Sunset

19:39
09:41