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:
19°C
66.2°F
°C °F

Condition: Partly Cloudy

Pressure: 961 hPa

Feel like: 20 °C

Temperature: 19°C

Cloud: 73%

Humidity: 82%

Wind: S - 8 km/h

Visibility: 11.4 km

Weather forecast

Sun
21 Jun
14°C / 17°C
Slight Rain Showers
Mon
22 Jun
12°C / 17°C
Thunderstorm With Slight
Tue
23 Jun
12°C / 18°C
Moderate Drizzle
Wed
24 Jun
13°C / 21°C
Drizzle
Thu
25 Jun
16°C / 21°C
Drizzle
Hourly forecast today:
05:00 AM
16° / 19°
16° / 19°
Partly Cloudy
82% 43 km/h
06:00 AM
16° / 19°
16° / 19°
Overcast
82% 43 km/h
07:00 AM
16° / 18°
16° / 18°
Overcast
86% 39 km/h
08:00 AM
15° / 17°
15° / 17°
Overcast
86% 37 km/h
09:00 AM
15° / 17°
15° / 17°
Partly Cloudy
88% 34 km/h
10:00 AM
14° / 17°
14° / 17°
Overcast
87% 25 km/h
11:00 AM
14° / 16°
14° / 16°
Overcast
86% 25 km/h
12:00 PM
14° / 16°
14° / 16°
Partly Cloudy
88% 27 km/h
13:00 PM
14° / 16°
14° / 16°
Partly Cloudy
88% 27 km/h
14:00 PM
14° / 16°
14° / 16°
Overcast
90% 29 km/h
15:00 PM
14° / 16°
14° / 16°
Partly Cloudy
90% 32 km/h

30 Day Averages and Extremes

  • Average high 19.53°C
  • Average low 12.73°C
  • Hottest day 26°C (16 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 79.27%
  • Days with precipitation 25 days
  • Highest precipitation 86 mm (07 June 2026)

Yesterday's Data

  • Max: 19°C
  • Min: 15°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 mild weather in Iwate, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Cotton socks
- Light jacket (for cooler periods)
- Lightweight sweater or cardigan
- Comfortable jeans or slacks

Temperature

Early
17°C / 19°C
Morning
15°C / 17°C
Afternoon
14°C / 16°C
Evening
13°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 435
  • CO 106
  • NH3 0
  • NO2 0
  • O3 75
  • PM10 2
  • PM25 1
  • SO2 0
  • CH4 1,351

Sunrise / Sunset

19:07
10:05