Year-round weather and climate in Sanjō, Japan
Average temperatures in Sanjō run from an average low of -2°C28°F in February up to an average high of 33°C91°F in August. August is the driest month at 12 rainy days; December the wettest at 25 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 95K
- Currency
- JPY
- Language
- Japanese
- Time zone
- Tokyo
Best time to visit
To avoid the most intense heat, the best time to visit is during the milder season around June, July, and August.
Rain character
Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like April, crisp sunny days drop off a cliff by <span class="val-c">12°C</span><span class="val-f">22°F</span> at sunset. Always carry an evening layer.
Seasonality Profile
True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
Summer Heat Fatigue: Midday heat in July and August is intense. Pack high-SPF sunscreen and a wide-brimmed hat.
Average temperatures, sunshine, and rainfall
Average monthly weather in Sanjō, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Aug is typically driest at 12 rainy days (153mm); Dec the wettest at 25 rainy days (321mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 6°C / 43°F | -1°C / 30°F | 5h | 24 | 230mm |
| Feb | 7°C / 44°F | -2°C / 29°F | 6h | 21 | 162mm |
| Mar | 12°C / 54°F | 1°C / 34°F | 7h | 18 | 150mm |
| Apr | 18°C / 65°F | 6°C / 43°F | 8h | 16 | 117mm |
| May | 22°C / 72°F | 11°C / 51°F | 8h | 14 | 154mm |
| Jun | 27°C / 80°F | 17°C / 62°F | 9h | 14 | 161mm |
| Jul | 31°C / 88°F | 22°C / 72°F | 10h | 14 | 187mm |
| Aug | 33°C / 91°F | 23°C / 74°F | 11h | 12 | 153mm |
| Sep | 29°C / 84°F | 20°C / 68°F | 8h | 17 | 219mm |
| Oct | 21°C / 70°F | 12°C / 54°F | 7h | 19 | 225mm |
| Nov | 15°C / 59°F | 6°C / 43°F | 6h | 17 | 203mm |
| Dec | 9°C / 48°F | 1°C / 34°F | 4h | 25 | 321mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Sanjō?
August is the sunniest month in Sanjō, averaging 11 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Sanjō?
Your packing list depends entirely on when you travel. Temperatures in Sanjō swing from an average low of -2°C28°F in February up to 33°C91°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Sanjō?
Sanjō gets rain on about 211 days a year, with December being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Sanjō with Packola.
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