Year-round weather and climate in Saku, Japan
Average temperatures in Saku run from an average low of -4°C25°F in February up to an average high of 29°C84°F in August. January is the driest month at 7 rainy days; August the wettest at 16 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 99K
- Currency
- JPY
- Language
- Japanese
- Time zone
- Tokyo
Best time to visit
The most pleasant weather falls in July, August, and September, offering a perfect balance of comfortable temperatures and clear skies.
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 March, 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
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Saku, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jan is typically driest at 7 rainy days (30mm); Aug the wettest at 16 rainy days (116mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 6°C / 42°F | -4°C / 24°F | 8h | 7 | 30mm |
| Feb | 6°C / 43°F | -4°C / 24°F | 8h | 10 | 67mm |
| Mar | 10°C / 51°F | -2°C / 29°F | 9h | 11 | 122mm |
| Apr | 16°C / 62°F | 4°C / 39°F | 9h | 12 | 92mm |
| May | 19°C / 67°F | 8°C / 47°F | 9h | 13 | 169mm |
| Jun | 23°C / 74°F | 14°C / 56°F | 9h | 15 | 202mm |
| Jul | 28°C / 83°F | 18°C / 65°F | 11h | 15 | 133mm |
| Aug | 29°C / 84°F | 19°C / 67°F | 11h | 16 | 116mm |
| Sep | 26°C / 79°F | 17°C / 62°F | 9h | 12 | 93mm |
| Oct | 18°C / 65°F | 9°C / 48°F | 8h | 11 | 117mm |
| Nov | 13°C / 55°F | 2°C / 35°F | 8h | 7 | 71mm |
| Dec | 8°C / 46°F | -3°C / 27°F | 8h | 9 | 40mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Saku?
August is the sunniest month in Saku, averaging 11 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Saku?
Your packing list depends entirely on when you travel. Temperatures in Saku swing from an average low of -4°C25°F in February up to 29°C84°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 Saku?
Saku gets rain on about 138 days a year, with August 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 Saku with Packola.
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