Osaka climate
Japan
Osaka climate can look simple on averages, but travel comfort is often driven by humidity, wind, and rain.
It helps to scan the year-round pattern for Osaka before zooming into one month.
Sea breezes can make the same number feel cooler—or stickier—than you expect.
Climate facts
Jan · Feb
Avg low 2°C / high 9-10°C · Rainy days: 4-6 per month / rainfall around 40-70 mm
Mar · Apr
Avg low 5-10°C / high 14-20°C · Rainy days: 8-10 per month / rainfall around 100-130 mm
Sep · Oct
Avg low 15-21°C / high 23-29°C · Rainy days: 8-10 per month / rainfall around 140-155 mm
Nov · Dec
Avg low 4-9°C / high 12-18°C · Rainy days: 5-6 per month / rainfall around 55-80 mm
How it tends to feel for travel
In hotter periods, day-versus-night fatigue accumulates differently, changing how the climate feels.
For travel, what you remember is often variability (rain patterns, humidity, daily swings), not the average.
When it tends to fit
- • Once you see the year-round pattern, it’s easier to judge whether a month fits your style.
- • If you revisit the city, separating “seasonal itineraries” can save a lot of planning time.
When it may not fit
- • If you rely only on averages, you may be surprised by variability (squalls, wind, indoor AC).
- • In monsoon-like periods, the more your itinerary depends on outdoor walking, the higher the risk.
- • If you’re fine with cold but hate damp chill, it can feel colder than you expect.
Outfit notes
This connects climate patterns to packing—without over-interpreting.
- • 🌡️ 5-10℃: Heat-tech or thermal inner + knit or hoodie + a thick coat works well. When the wind picks up it can feel much colder, so a scarf and beanie make a big difference.
- • 🌡️ 10-18℃: Light knit or sweatshirt + trench coat or light padded jacket is a safe combo. Daytime can feel warm enough to carry your outerwear in your bag, so pick something lightweight.
- • 🌡️ 18-25℃: A T-shirt with a light shirt or cardigan on top is usually enough. Subways and shops can be strongly air-conditioned, so keep a thin outer layer handy if you get cold indoors.
In the end, it often depends on one or two conditions you care about most.
Explore Osaka
These pages are connected so you can compare conditions and decide for yourself.