Yahaba, Japan experiences average highs of 14°C (57°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have warmed by 0.8°C (1.4°F) across the available records.
Yahaba, Japan Weather & Climate 2026
Monthly climate averages for Yahaba, Japan. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.6/10
Best: May, June, July, September, October
UV Index
5
Low
Temperature 14°C / 7°C
Feels Like 13°C / 5°C
Rainy Days 14
Rainfall 106 mm
Sunshine 8 h
Humidity 82%
Wind Speed 15 km/h
Dew Point 8°C
Snow Days 15 days
Frost Days 19 days
Hottest Month
27°C
August
Avg Low 21°C
Rain 16 days
Coldest Month
-6°C
January
Avg High 1°C
Rain 14 days
Driest Month
11 days
October
Avg High 17°C
Avg Low 9°C
Windiest Month
18 km/h
February (Gusts 53)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 04:20
Daylight 14.7h
Sunset 19:02
Live conditions —
Yahaba on the map · live conditions
Yahaba, Japan
- Continent
- Asia
- Country
- Japan
- City
- Yahaba
- Population
- 28.1K
- Coordinates
- 39.61°, 141.15°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 4°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 25°C
Avg Low 18°C
Rain 15 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 17°C
Avg Low 9°C
Rain 12 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 2°C
Avg Low -5°C
Rain 15 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 1°C / -6°C . Feb: 2°C / -5°C . Mar: 7°C / -1°C . Apr: 14°C / 4°C . May: 19°C / 10°C . Jun: 23°C / 15°C . Jul: 26°C / 20°C . Aug: 27°C / 21°C . Sep: 23°C / 16°C . Oct: 17°C / 9°C . Nov: 10°C / 3°C . Dec: 3°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 70 mm. Feb: 67 mm. Mar: 100 mm. Apr: 109 mm. May: 105 mm. Jun: 124 mm. Jul: 159 mm. Aug: 148 mm. Sep: 129 mm. Oct: 113 mm. Nov: 68 mm. Dec: 82 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 79%. Mar: 78%. Apr: 76%. May: 78%. Jun: 84%. Jul: 87%. Aug: 88%. Sep: 86%. Oct: 83%. Nov: 83%. Dec: 83%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 18 km/h . Mar: 18 km/h . Apr: 17 km/h . May: 15 km/h . Jun: 13 km/h . Jul: 11 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 13 km/h . Nov: 15 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 8h. Apr: 9h. May: 9h. Jun: 9h. Jul: 8h. Aug: 8h. Sep: 7h. Oct: 7h. Nov: 7h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 23 days. Feb: 20 days. Mar: 13 days. Apr: 4 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 6 days. Dec: 21 days.
Climate Trends
Average highs have warmed by 0.8°C (1.4°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 29°C | Aug · 27°C |
| Coldest month | Feb 2025 · -5°C | Jan · -6°C |
| Wettest month | Sep 2025 · 177 mm | Jul · 159 mm |
| Windiest month | Feb 2025 · 20 km/h | Feb · 18 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Good August
Fair September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -6°C | -4°C / -10°C | 14days (70 mm) Wet | 7.2h Good | 82% Humid | 2.7 Moderate | Poor | View Details |
| February | 2°C / -5°C | -3°C / -10°C | 13days (67 mm) Wet | 7.9h Good | 79% Humid | 3.8 Moderate | Poor | View Details |
| March | 7°C / -1°C | 3°C / -4°C | 13days (100 mm) Wet | 8.4h Good | 78% Humid | 4.7 Moderate | Poor | View Details |
| April | 14°C / 4°C | 11°C / 1°C | 13days (109 mm) Wet | 9h Good | 76% Humid | 5.4 High | Fair | View Details |
| May best | 19°C / 10°C | 19°C / 9°C | 13days (105 mm) Wet | 8.9h Good | 78% Humid | 5.7 High | Good | View Details |
| June best | 23°C / 15°C | 24°C / 15°C | 13days (124 mm) Wet | 8.8h Good | 84% Humid | 6.7 High | Excellent | View Details |
| July best | 26°C / 20°C | 30°C / 22°C | 16days (159 mm) Wet | 8.1h Good | 87% Very Muggy | 6.6 High | Good | View Details |
| August | 27°C / 21°C | 31°C / 24°C | 16days (148 mm) Wet | 8h Good | 88% Very Muggy | 6.8 High | Fair | View Details |
| September best | 23°C / 16°C | 25°C / 17°C | 13days (129 mm) Wet | 7.3h Good | 86% Very Muggy | 5.3 High | Excellent | View Details |
| October best | 17°C / 9°C | 15°C / 8°C | 11days (113 mm) Wet | 6.9h Fair | 83% Humid | 3.9 Moderate | Good | View Details |
| November | 10°C / 3°C | 7°C / 0°C | 12days (68 mm) Wet | 7.1h Good | 83% Humid | 2.8 Moderate | Poor | View Details |
| December | 3°C / -3°C | -1°C / -7°C | 17days (82 mm) Wet | 6.7h Fair | 83% Humid | 2.2 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Yahaba are May, June, July, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Yahaba, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Yahaba is August, with average daytime highs of 27°C (81°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Yahaba is January, with average overnight lows of -6°C (21°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Yahaba is July, averaging 159mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Yahaba runs through December, July, August, January, with the heaviest rainfall in December. Based on 10-year averages for Yahaba.
Yahaba receives approximately 94 sunshine hours per year. The sunniest month is April with around 9 hours. Based on climate data for Yahaba.
The least favorable months to visit Yahaba are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, September, October instead.
The annual average UV index in Yahaba is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Yahaba is 82%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Yahaba receives snow. Months with snowfall average 15 snow days and 25 cm (10 in) of accumulation, with about 19 frost days during winter.
Average wind speeds in Yahaba are 15 km/h (9 mph). The windiest month is February with peak winds reaching 18 km/h (11 mph) (gusts up to 53 km/h / 33 mph).
Yahaba averages 1 clear-sky days per month with overall cloud cover around 71%. The clearest skies occur in April.
The annual average dew point in Yahaba is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Yahaba has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Yahaba ranges from 5°C (41°F) to 13°C (55°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, July is a great time to visit Yahaba. It earns a climate score of 6.5/10 with Good.
For July in Yahaba, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 26°C (80°F) and 16 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: