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:
-10°C
14.0°F
°C °F

Condition: Partly Cloudy

Pressure: 966 hPa

Feel like: -14 °C

Temperature: -10°C

Cloud: 67%

Humidity: 84%

Wind: E - 3 km/h

Visibility: 24.14 km

Weather forecast

Mon
19 Jan
-11°C / -3°C
Snow Fall Slight
Tue
20 Jan
-15°C / -3°C
Partly Cloudy
Wed
21 Jan
-17°C / -3°C
Partly Cloudy
Thu
22 Jan
-8°C / -3°C
Snow Showers Slight
Fri
23 Jan
-7°C / -3°C
Overcast
Hourly forecast today:
17:00 PM
-12° / -10°
-12° / -10°
Partly Cloudy
84% 5 km/h
18:00 PM
-12° / -10°
-12° / -10°
Partly Cloudy
84% 5 km/h
19:00 PM
-12° / -10°
-12° / -10°
Mainly Clear
84% 4 km/h
20:00 PM
-12° / -10°
-12° / -10°
Mainly Clear
83% 3 km/h
21:00 PM
-12° / -10°
-12° / -10°
Mainly Clear
83% 3 km/h
22:00 PM
-12° / -10°
-12° / -10°
Overcast
82% 4 km/h
23:00 PM
-12° / -9°
-12° / -9°
Overcast
81% 5 km/h
00:00 AM
-11° / -8°
-11° / -8°
Overcast
81% 6 km/h
01:00 AM
-9° / -6°
-9° / -6°
Snow Fall Slight
83% 7 km/h
02:00 AM
-6° / -4°
-6° / -4°
Snow Fall Slight
86% 8 km/h
03:00 AM
-4° / -3°
-4° / -3°
Snow Fall Slight
88% 9 km/h

30 Day Averages and Extremes

  • Average high -0.9°C
  • Average low -7.23°C
  • Hottest day 5°C (09 January 2026)
  • Coldest day -17°C (21 January 2026)
  • Average humidity 78.07%
  • Days with precipitation 29 days
  • Highest precipitation 74 mm (12 January 2026)

Yesterday's Data

  • Max: -1°C
  • Min: -10°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 frigid weather in Iwate, with low temperatures at -1ºC (30.2ºF), it's crucial to dress in warm, insulated layers. You should consider wearing:
- Waterproof and insulated boots
- Fleece or wool sweater
- Wool or thermal socks
- Scarf or neck gaiter

Temperature

Early
-8°C / -2°C
Morning
-10°C / -6°C
Afternoon
-12°C / -10°C
Evening
-12°C / -10°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 158
  • NH3 0
  • NO2 11
  • O3 53
  • PM10 10
  • PM25 8
  • SO2 0
  • CH4 1,404

Sunrise / Sunset

21:52
07:38