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:
21°C
69.8°F
°C °F

Condition: Drizzle

Pressure: 958 hPa

Feel like: 25 °C

Temperature: 21°C

Cloud: 89%

Humidity: 95%

Wind: ESE - 2 km/h

Visibility: 3.72 km

Weather forecast

Sun
09 Aug
15°C / 24°C
Drizzle
Mon
10 Aug
14°C / 21°C
Moderate Rain Showers
Tue
11 Aug
18°C / 25°C
Drizzle
Wed
12 Aug
18°C / 27°C
Drizzle
Thu
13 Aug
19°C / 25°C
Drizzle
Hourly forecast today:
19:00 PM
20° / 21°
20° / 21°
Drizzle
95% 7 km/h
20:00 PM
20° / 21°
20° / 21°
Drizzle
96% 10 km/h
21:00 PM
20° / 21°
20° / 21°
Drizzle
96% 12 km/h
22:00 PM
21° / 21°
21° / 21°
Drizzle
98% 12 km/h
23:00 PM
21° / 21°
21° / 21°
Drizzle
98% 16 km/h
00:00 AM
21° / 21°
21° / 21°
Drizzle
98% 19 km/h
01:00 AM
21° / 22°
21° / 22°
Overcast
98% 19 km/h
02:00 AM
21° / 22°
21° / 22°
Partly Cloudy
97% 19 km/h
03:00 AM
21° / 23°
21° / 23°
Drizzle
93% 17 km/h
04:00 AM
21° / 23°
21° / 23°
Drizzle
93% 15 km/h
05:00 AM
21° / 22°
21° / 22°
Drizzle
95% 18 km/h

30 Day Averages and Extremes

  • Average high 23.77°C
  • Average low 17.17°C
  • Hottest day 31°C (06 August 2026)
  • Coldest day 0°C (22 August 2026)
  • Average humidity 83.2%
  • Days with precipitation 27 days
  • Highest precipitation 99 mm (31 July 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 22°C
  • Total Precipitation: 30 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 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Shorts or lightweight trousers
- Sunglasses
- Sun hat or cap
- Comfortable sandals or sneakers

Temperature

Early
21°C / 30°C
Morning
24°C / 25°C
Afternoon
20°C / 21°C
Evening
20°C / 21°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 528
  • CO 109
  • NH3 0
  • NO2 4
  • O3 32
  • PM10 4
  • PM25 4
  • SO2 0
  • CH4 1,377

Sunrise / Sunset

19:41
09:39