Tamba, Japan experiences average highs of 19°C (66°F) and lows of 12°C (54°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Average highs have stayed broadly stable across the available records.
Tamba, Japan Weather & Climate 2026
Monthly climate averages for Tamba, Japan. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.1/10
Best: April, May, June, October, November
UV Index
5
Low
Temperature 19°C / 12°C
Feels Like 19°C / 11°C
Rainy Days 13
Rainfall 147 mm
Sunshine 8 h
Humidity 79%
Wind Speed 15 km/h
Dew Point 12°C
Snow Days 6 days
Frost Days 9 days
Hottest Month
31°C
August
Avg Low24°C
Rain15days
Coldest Month
0°C
January
Avg High8°C
Rain13days
Driest Month
8days
November
Avg High16°C
Avg Low8°C
Windiest Month
17 km/h
April (Gusts 46)
Worst Time to Visit
Consider avoiding January, February, August, December due to frequent rain.
Sun Position
Sunrise 04:46
Daylight 14.5h
Sunset 19:17
Live conditions—
Tamba on the map · live conditions
Tamba, Japan
- Continent
- Asia
- Country
- Japan
- City
- Tamba
- Population
- 61.5K
- Coordinates
- 35.17°, 135.03°
Seasonal Breakdown
Spring
Mar–May
Avg High 18°C
Avg Low 9°C
Rain 11 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 29°C
Avg Low 22°C
Rain 15 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 21°C
Avg Low 14°C
Rain 11 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 9°C
Avg Low 1°C
Rain 12 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 8°C / 0°C . Feb: 9°C / 1°C . Mar: 13°C / 4°C . Apr: 18°C / 9°C . May: 23°C / 14°C . Jun: 26°C / 18°C . Jul: 30°C / 23°C . Aug: 31°C / 24°C . Sep: 27°C / 21°C . Oct: 21°C / 15°C . Nov: 16°C / 8°C . Dec: 10°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 66 mm. Feb: 67 mm. Mar: 111 mm. Apr: 140 mm. May: 148 mm. Jun: 223 mm. Jul: 271 mm. Aug: 225 mm. Sep: 222 mm. Oct: 164 mm. Nov: 70 mm. Dec: 62 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 75%. Mar: 75%. Apr: 75%. May: 76%. Jun: 81%. Jul: 84%. Aug: 82%. Sep: 83%. Oct: 80%. Nov: 79%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 16 km/h . Jun: 14 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 15 km/h . Nov: 14 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 8h. Mar: 8h. Apr: 9h. May: 9h. Jun: 9h. Jul: 9h. Aug: 10h. Sep: 8h. Oct: 8h. Nov: 8h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 4. Apr: UV 6. May: UV 6. Jun: UV 6. Jul: UV 7. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 9 days. Feb: 9 days. Mar: 2 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 5 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 48 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 33°C | Aug · 31°C |
| Coldest month | Feb 2025 · -1°C | Jan · 0°C |
| Wettest month | Jun 2025 · 207 mm | Jul · 271 mm |
| Windiest month | Mar 2025 · 18 km/h | Apr · 17 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April best
Good May best
Excellent June best
Excellent July
Wet August
Wet September
Wet October best
Good November best
Good December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 0°C | 4°C / -3°C | 13days (66 mm) Wet | 7.6h Good | 78% Humid | 2.9 Moderate | Poor | View Details |
| February | 9°C / 1°C | 5°C / -2°C | 12days (67 mm) Wet | 7.9h Good | 75% Muggy | 3.7 Moderate | Poor | View Details |
| March | 13°C / 4°C | 11°C / 2°C | 12days (111 mm) Wet | 8.3h Good | 75% Muggy | 4.4 Moderate | Fair | View Details |
| April best | 18°C / 9°C | 17°C / 7°C | 11days (140 mm) Wet | 8.8h Good | 75% Muggy | 5.7 High | Good | View Details |
| May best | 23°C / 14°C | 23°C / 13°C | 11days (148 mm) Wet | 9.2h Good | 76% Humid | 6.1 High | Excellent | View Details |
| June best | 26°C / 18°C | 29°C / 20°C | 14days (223 mm) Wet | 8.8h Good | 81% Humid | 6.3 High | Excellent | View Details |
| July | 30°C / 23°C | 35°C / 28°C | 17days (271 mm) Wet | 9.2h Good | 84% Humid | 7.3 Very High | Wet | View Details |
| August | 31°C / 24°C | 36°C / 29°C | 15days (225 mm) Wet | 10h Excellent | 82% Humid | 7 High | Wet | View Details |
| September | 27°C / 21°C | 30°C / 24°C | 15days (222 mm) Wet | 8h Good | 83% Humid | 5.9 High | Wet | View Details |
| October best | 21°C / 15°C | 21°C / 14°C | 11days (164 mm) Wet | 7.5h Good | 80% Humid | 4.3 Moderate | Good | View Details |
| November best | 16°C / 8°C | 14°C / 6°C | 8days (70 mm) Wet | 7.7h Good | 79% Humid | 3.3 Moderate | Good | View Details |
| December | 10°C / 2°C | 7°C / -1°C | 11days (62 mm) Wet | 7.2h Good | 79% Humid | 2.8 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Tamba are April, May, June, October, November, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Tamba, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Tamba is August, with average daytime highs of 31°C (89°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Tamba is January, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Tamba is July, averaging 271mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Tamba runs through July, August, September, June, with the heaviest rainfall in July. Based on 10-year averages for Tamba.
Tamba receives approximately 100 sunshine hours per year. The sunniest month is August with around 10 hours. Based on climate data for Tamba.
The least favorable months to visit Tamba are January, February, August, December, primarily due to frequent rain. For the best conditions, consider April, May, June, October, November instead.
The annual average UV index in Tamba is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Tamba is 79%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Tamba receives snow. Months with snowfall average 6 snow days and 7 cm (3 in) of accumulation, with about 9 frost days during winter.
Average wind speeds in Tamba are 15 km/h (9 mph). The windiest month is April with peak winds reaching 17 km/h (11 mph) (gusts up to 46 km/h / 28 mph).
Tamba averages 2 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in May.
The annual average dew point in Tamba is 12°C (54°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Tamba 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 Tamba ranges from 11°C (52°F) to 19°C (66°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Tamba. It earns a climate score of 7.7/10 with Excellent.
For June in Tamba, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 26°C (79°F) and 14 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: