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:
8°C
46.4°F
°C °F

Condition: Partly Cloudy

Pressure: 961 hPa

Feel like: 5 °C

Temperature: 8°C

Cloud: 70%

Humidity: 45%

Wind: ENE - 3 km/h

Visibility: 24.14 km

Weather forecast

Fri
24 Apr
0°C / 13°C
Clear Sky
Sat
25 Apr
5°C / 17°C
Overcast
Sun
26 Apr
8°C / 18°C
Overcast
Mon
27 Apr
7°C / 14°C
Slight Rain
Tue
28 Apr
6°C / 14°C
Slight Rain
Hourly forecast today:
12:00 PM
-3° / 8°
-3° / 8°
Partly Cloudy
45% 7 km/h
13:00 PM
-4° / 7°
-4° / 7°
Partly Cloudy
43% 7 km/h
14:00 PM
-6° / 6°
-6° / 6°
Partly Cloudy
38% 8 km/h
15:00 PM
-6° / 6°
-6° / 6°
Partly Cloudy
40% 7 km/h
16:00 PM
-5° / 6°
-5° / 6°
Partly Cloudy
43% 6 km/h
17:00 PM
-4° / 5°
-4° / 5°
Partly Cloudy
47% 6 km/h
18:00 PM
-4° / 5°
-4° / 5°
Mainly Clear
50% 5 km/h
19:00 PM
-5° / 4°
-5° / 4°
Clear Sky
51% 5 km/h
20:00 PM
-5° / 3°
-5° / 3°
Clear Sky
53% 5 km/h
21:00 PM
-5° / 3°
-5° / 3°
Clear Sky
50% 5 km/h
22:00 PM
-4° / 5°
-4° / 5°
Clear Sky
48% 9 km/h

30 Day Averages and Extremes

  • Average high 14.93°C
  • Average low 4.33°C
  • Hottest day 19°C (02 May 2026)
  • Coldest day 0°C (24 April 2026)
  • Average humidity 66.37%
  • Days with precipitation 18 days
  • Highest precipitation 63 mm (09 April 2026)

Yesterday's Data

  • Max: 16°C
  • Min: 6°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 cool weather in Iwate, with temperatures between 10ºC to 13ºC (50.0ºF to 55.4ºF), you should consider wearing:
- Knit hat (optional for cooler mornings)
- Casual shoes or sneakers
- Thin gloves (optional for early mornings or late evenings)
- Light scarf or wrap

Temperature

Early
3°C / 15°C
Morning
1°C / 12°C
Afternoon
-6°C / 6°C
Evening
-5°C / 3°C

Air quality

Moderate

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

  • CO2 460
  • CO 170
  • NH3 0
  • NO2 15
  • O3 71
  • PM10 20
  • PM25 14
  • SO2 3
  • CH4 1,409

Sunrise / Sunset

19:45
09:21