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:
15°C
59.0°F
°C °F

Condition: Mainly Clear

Pressure: 964 hPa

Feel like: 15 °C

Temperature: 15°C

Cloud: 28%

Humidity: 79%

Wind: SSE - 7 km/h

Visibility: 24.66 km

Weather forecast

Thu
25 Jun
15°C / 19°C
Moderate Drizzle
Fri
26 Jun
16°C / 23°C
Slight Thunderstorm
Sat
27 Jun
14°C / 22°C
Drizzle
Sun
28 Jun
12°C / 23°C
Drizzle
Mon
29 Jun
13°C / 24°C
Drizzle
Hourly forecast today:
13:00 PM
12° / 15°
12° / 15°
Mainly Clear
79% 23 km/h
14:00 PM
12° / 15°
12° / 15°
Mainly Clear
84% 19 km/h
15:00 PM
12° / 15°
12° / 15°
Mainly Clear
86% 18 km/h
16:00 PM
13° / 15°
13° / 15°
Mainly Clear
88% 15 km/h
17:00 PM
13° / 15°
13° / 15°
Mainly Clear
89% 12 km/h
18:00 PM
13° / 15°
13° / 15°
Mainly Clear
89% 11 km/h
19:00 PM
13° / 15°
13° / 15°
Partly Cloudy
90% 9 km/h
20:00 PM
14° / 15°
14° / 15°
Overcast
90% 9 km/h
21:00 PM
14° / 16°
14° / 16°
Partly Cloudy
87% 11 km/h
22:00 PM
14° / 17°
14° / 17°
Overcast
83% 15 km/h
23:00 PM
14° / 18°
14° / 18°
Overcast
81% 20 km/h

30 Day Averages and Extremes

  • Average high 20.9°C
  • Average low 13.4°C
  • Hottest day 26°C (16 June 2026)
  • Coldest day 0°C (08 July 2026)
  • Average humidity 79.0%
  • Days with precipitation 26 days
  • Highest precipitation 100 mm (21 June 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 11°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 warm weather in Iwate, with temperatures between 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Cotton or linen fabrics
- Sun hat or cap
- Light, breathable socks
- Sunglasses

Temperature

Early
11°C / 21°C
Morning
14°C / 20°C
Afternoon
12°C / 15°C
Evening
14°C / 16°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 445
  • CO 119
  • NH3 0
  • NO2 7
  • O3 54
  • PM10 12
  • PM25 10
  • SO2 1
  • CH4 1,388

Sunrise / Sunset

19:08
10:06