This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Comfortable for swimming. Now in the Arakava +22°. Swimming season — from April to October.
Water temperature map of the Arakava
ColderWarmer
Water temperature in the Arakava by city for the week 📍
| City | for the week | Swimming |
|---|---|---|
| Kawaguchi | +22° | Comfortable for swimming |
| Omiya | +22° | Comfortable for swimming |
| Urava | +22° | Comfortable for swimming |
🎣 Fishing in cities on the Arakava
Water temperature forecast in the Arakava for the week 📅
Monday
17 August
+22°
Tuesday
18 August
+22°
Wednesday
19 August
+22°
Thursday
20 August
+22°
Friday
21 August
+22°
Saturday
22 August
+22°
Sunday
23 August
+22°
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature chart in the Arakava for the week 📈
+22°
minimum for the week
+22°
maximum for the week
→
steady
🏊
For the week: the water will warm to +22° — great for swimming.
This weekend 🏖️
Saturday, 22 August · water +22° · comfortable for swimming
Sunday, 23 August · water +22° · comfortable for swimming
Water questions for the week ❓
What is the water in the Arakava for the week?
From +22° to +22° by the climate model; trend — steady.
Will the water warm up by the weekend?
On Saturday about +22°.
Can you swim in the Arakava for the week?
the water will warm to +22° — great for swimming.
Water temperature forecast in the Arakava for the week. Daily values and by-city temperatures for this horizon to plan a trip and a swim. Full reference data — map, monthly climate normal, yearly archive and swimming season — is on the main page.