Joetsu — Weather

Live · Clear within 100 km Just updated

25°C 77°F · Clear · 47% cloud cover

Feels like 25°C76°F · Low 22°C71°F · High 25°C77°F

Wind

18 km/h11 mph from NE

Humidity

54%

Pressure

1004 hPa29.65 inHg stable

UV Index

6.2 High

Fair weather

Joetsu at a glance: 25°C, partly cloudy.

🌧️ Wet period, moderate-intensity Sunday–Tuesday, with rain. Total ~25.2 mm. Peak Monday (13.2 mm). Below the monthly normal (145 mm/month).

🔥 Running 5.0°C markedly warmer than the June norm (20°C), today tops out at 25°C.

☀️ High UV (6) between 10:00 and 16:00 — sunscreen recommended at midday.

Hourly forecast

Detailed forecast for the next 60 hours

Temperature Precipitation Wind

Now

25°C 77°F

18 11

54

16:00

25°C 77°F

17 11

53

17:00

25°C 77°F

12 8

55

18:00

25°C 76°F

9 5

57

19:00

24°C 75°F

12 8

62

20:00

23°C 74°F

13 8

63

21:00

23°C 73°F

13 8

63

22:00

22°C 72°F

14 9

63

23:00

22°C 71°F

12 8

63

00:00

21°C 71°F

12 7

63

01:00

21°C 70°F

12 7

60

02:00

21°C 70°F

11 7

58

03:00

21°C 69°F

11 7

57

04:00

20°C 68°F

10 6

57

05:00

20°C 68°F

10 6

59

06:00

20°C 69°F

10 6

59

07:00

22°C 71°F

11 7

54

08:00

23°C 74°F

13 8

52

09:00

25°C 76°F

13 8

48

10:00

26°C 78°F

11 7

45

11:00

27°C 80°F

7 4

44

12:00

27°C 81°F

6 4

45

13:00

27°C 80°F

11 7

50

14:00

26°C 78°F

15 9

59

15:00

25°C 77°F

12 8

58

16:00

25°C 77°F

9 6

59

17:00

24°C 76°F

6 3

63

18:00

24°C 75°F

5 3

66

19:00

23°C 74°F

6 4

67

20:00

23°C 73°F

4 3

67

21:00

22°C 72°F

5 3

70

22:00

22°C 72°F

5 3

73

23:00

22°C 72°F

4 3

75

00:00

22°C 71°F

3 2

79

03:00

21°C 70°F

2 1

82

06:00

21°C 70°F

1 1

84

09:00

22°C 72°F

2 1

76

12:00

23°C 74°F

12 8

74

15:00

23°C 74°F

9 6

68

18:00

22°C 71°F

7 4

81

21:00

21°C 70°F

2 1

87

00:00

21°C 69°F

2 2

88

03:00

20°C 69°F

4 2

89

mmin km/hmph Humidity %

Daily Forecast

Today

Jun 4 · Overcast

NE 18 km/h 11 mph (3019) 59% UV 6· high

22°C 71°F

25°C 77°F

Today

Jun 4

Overcast

59%

NE 18 km/h 11 mph

22°C 71°F

25°C 77°F

Tomorrow

Jun 5 · Overcast

E 15 km/h 9 mph (2616) 59% UV 4

20°C 68°F

27°C 81°F

Tomorrow

Jun 5

Overcast

59%

E 15 km/h 9 mph

20°C 68°F

27°C 81°F

Saturday

Jun 6 · Drizzle

NW 12 km/h 8 mph (2113) 80% UV 3

21°C 69°F

23°C 74°F

Saturday

Jun 6

Drizzle

80%

NW 12 km/h 8 mph

21°C 69°F

23°C 74°F

Sunday

Jun 7 · Overcast

4.2 mm 0.17 in E 16 km/h 10 mph (2918) 83% UV 2

15°C 59°F

25°C 76°F

Sunday

Jun 7

Overcast

83%

E 16 km/h 10 mph

4.2 mm 0.17 in

15°C 59°F

25°C 76°F

Monday

Jun 8 · Rain

13.2 mm 0.52 in · heavy N 14 km/h 8 mph (2516) 93% UV 2

14°C 57°F

21°C 70°F

Monday

Jun 8

Rain

93%

N 14 km/h 8 mph

13.2 mm 0.52 in

14°C 57°F

21°C 70°F

Tuesday

Jun 9 · Light rain

7.8 mm 0.31 in · heavy NW 11 km/h 7 mph (1912) 87% UV 2

13°C 56°F

20°C 68°F

Tuesday

Jun 9

Light rain

87%

NW 11 km/h 7 mph

7.8 mm 0.31 in

13°C 56°F

20°C 68°F

Wednesday

Jun 10 · Light rain

0.8 mm 0.03 in N 13 km/h 8 mph (2214) 77% UV 2

18°C 65°F

20°C 68°F

Wednesday

Jun 10

Light rain

77%

N 13 km/h 8 mph

0.8 mm 0.03 in

18°C 65°F

20°C 68°F

Thursday

Jun 11 · Overcast

E 12 km/h 8 mph (2113) 74% UV 2

17°C 62°F

21°C 71°F

Thursday

Jun 11

Overcast

74%

E 12 km/h 8 mph

17°C 62°F

21°C 71°F

Extended Forecast (GFS)

Friday

Jun 12 · Drizzle

0.7 mm 0.03 in N 13 km/h 8 mph 77%

15°C 59°F

21°C 69°F

Friday

Jun 12

Drizzle

77%

N 13 km/h 8 mph

0.7 mm 0.03 in

15°C 59°F

21°C 69°F

Saturday

Jun 13 · Clear

E 14 km/h 8 mph 74%

13°C 56°F

23°C 73°F

Saturday

Jun 13

Clear

74%

E 14 km/h 8 mph

13°C 56°F

23°C 73°F

Sunday

Jun 14 · Rain

5.2 mm 0.21 in · heavy S 15 km/h 9 mph (2818) 77%

16°C 60°F

24°C 74°F

Sunday

Jun 14

Rain

77%

S 15 km/h 9 mph

5.2 mm 0.21 in

16°C 60°F

24°C 74°F

Monday

Jun 15 · Light rain

9.9 mm 0.39 in · heavy SE 14 km/h 9 mph (2717) 92%

15°C 59°F

21°C 70°F

Monday

Jun 15

Light rain

92%

SE 14 km/h 9 mph

9.9 mm 0.39 in

15°C 59°F

21°C 70°F

Tuesday

Jun 16 · Light rain

4.4 mm 0.17 in N 10 km/h 6 mph 96%

16°C 60°F

18°C 64°F

Tuesday

Jun 16

Light rain

96%

N 10 km/h 6 mph

4.4 mm 0.17 in

16°C 60°F

18°C 64°F

Wednesday

Jun 17 · Drizzle

SE 10 km/h 6 mph (1610) 76%

15°C 59°F

25°C 77°F

Wednesday

Jun 17

Drizzle

76%

SE 10 km/h 6 mph

15°C 59°F

25°C 77°F

Thursday

Jun 18 · Rain

8.6 mm 0.34 in · heavy SW 10 km/h 6 mph (1912) 92%

18°C 64°F

21°C 69°F

Thursday

Jun 18

Rain

92%

SW 10 km/h 6 mph

8.6 mm 0.34 in

18°C 64°F

21°C 69°F

Friday

Jun 19 · Light rain

1.2 mm 0.05 in SE 8 km/h 5 mph 83%

17°C 63°F

25°C 78°F

Friday

Jun 19

Light rain

83%

SE 8 km/h 5 mph

1.2 mm 0.05 in

17°C 63°F

25°C 78°F

Civil Dawn 03:57 AM

Civil Dusk 07:33 PM

Today vs. seasonal normal

High 24.3°C76°F · Low 15.7°C60°F · Normal for this month

Joetsu is located in Niigata Prefecture, Japan. Elevation: 9m. Annual average temperature: 13°C. Annual precipitation: 2305mm.

Clouds Last updated 02:00 AM

Clouds weather map

Precipitation Last updated 02:00 AM

Precipitation weather map

Temperature Last updated 02:00 AM

Temperature weather map

Frequently Asked Questions

What is the weather like in Joetsu today?

Today in Joetsu, Japan, the temperature is 25°C with Clear. The high is 25°C and the low is 22°C.

What is the 16-day forecast for Joetsu?

The 16-day forecast for Joetsu shows the warmest day is Friday at 27°C, while the coolest night is Saturday at 13°C. 10 day(s) have precipitation expected.

What time is sunrise and sunset in Joetsu?

In Joetsu, sunrise is at 09:27 PM and sunset is at 12:03 PM. Day length is approximately 14h 35m.

How accurate is the weather forecast for Joetsu?

Our forecasts for Joetsu use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Joetsu has an annual average temperature of 13°C and receives 2305mm of precipitation per year.

Last updated: 06/04/2026, 03:00 PM

June climate in Joetsu

Normals for June: average 20°C (16–24°C), around 145 mm of rain across the month. About 7°C warmer than the annual average of 13°C.

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