Niigata weather in June
In June, Niigata sees average daytime highs of 22°C and overnight lows near 18°C, with 123 mm of rain across 11.2 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 24% of the time in June, and the air most often feels humid.
Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Niigata's 7th-clearest and 11th-windiest month. For the whole year in context, see Niigata's year-round climate.
- Daytime high
- 22°
- 4th warmest
- Overnight low
- 18°
- 9th coldest
- Rainfall
- 123 mm
- 11.2 wet days
- Daylight
- 14 h 36 min
- 4:26 AM – 7:02 PM
- Cloud cover
- 67%
- 7th clearest
- Wind
- 11 km/h
- 11th windiest
- Solar energy
- 5.63 kWh/m²
- Travel score
- 6.3
- out of 10
- Air quality
- Good
- PM2.5 10 µg/m³ · 2010
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 21°C in the first days to 24°C by the end.
A typical June day in Niigata reaches about 22°C in the afternoon and slips back to 18°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, June runs about 4°C warmer than May and about 4°C cooler than July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 |
| Avg low (°C) | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 16 |
| 2 | 20 | 16 |
| 3 | 21 | 16 |
| 4 | 21 | 17 |
| 5 | 21 | 17 |
| 6 | 21 | 17 |
| 7 | 21 | 17 |
| 8 | 21 | 17 |
| 9 | 21 | 17 |
| 10 | 21 | 18 |
| 11 | 22 | 18 |
| 12 | 22 | 18 |
| 13 | 22 | 18 |
| 14 | 22 | 18 |
| 15 | 22 | 18 |
| 16 | 22 | 18 |
| 17 | 22 | 19 |
| 18 | 22 | 19 |
| 19 | 22 | 19 |
| 20 | 23 | 19 |
| 21 | 23 | 19 |
| 22 | 23 | 19 |
| 23 | 23 | 20 |
| 24 | 23 | 20 |
| 25 | 23 | 20 |
| 26 | 23 | 20 |
| 27 | 23 | 20 |
| 28 | 24 | 20 |
| 29 | 24 | 20 |
| 30 | 24 | 21 |
How June really feels in Niigata
Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Niigata weather by month
How June compares with the rest of the year at a glance. June is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 3° | 177 | 26.5 | 10.3 | 9.7 | 0.3 |
| Feb | 6° / 3° | 114 | 21.2 | 8.8 | 10.5 | 0.4 |
| Mar | 9° / 4° | 110 | 18.6 | 2.5 | 11.7 | 1.4 |
| Apr | 13° / 8° | 90 | 12.6 | 0.2 | 13 | 3.5 |
| May | 18° / 13° | 99 | 11.8 | 0 | 14 | 5.6 |
| Jun | 22° / 18° | 123 | 11.2 | 0 | 14.6 | 6.3 |
| Jul | 26° / 23° | 226 | 15.2 | 0 | 14.4 | 5.8 |
| Aug | 28° / 24° | 160 | 12.9 | 0 | 13.5 | 5.7 |
| Sep | 25° / 21° | 146 | 14.2 | 0 | 12.3 | 5.9 |
| Oct | 20° / 16° | 155 | 15.8 | 0 | 11 | 5.4 |
| Nov | 14° / 10° | 164 | 19.7 | 0.2 | 10 | 3.2 |
| Dec | 9° / 5° | 195 | 25.4 | 4.1 | 9.4 | 1.2 |
Cloud cover in June
The sky is clear or mostly clear about 24% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 13% of June, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 48 | 46 | 46 | 46 | 45 | 44 | 43 | 43 | 42 | 41 | 40 | 40 | 37 | 37 | 36 | 35 | 35 | 35 | 33 | 33 | 33 | 32 | 32 | 31 | 30 | 29 | 29 | 29 | 29 | 29 |
| Cloudier (%) | 52 | 54 | 54 | 54 | 55 | 56 | 57 | 57 | 58 | 59 | 60 | 60 | 63 | 63 | 64 | 65 | 65 | 65 | 67 | 67 | 67 | 68 | 68 | 69 | 70 | 71 | 71 | 71 | 71 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 46 | 54 |
| 3 | 46 | 54 |
| 4 | 46 | 54 |
| 5 | 45 | 55 |
| 6 | 44 | 56 |
| 7 | 43 | 57 |
| 8 | 43 | 57 |
| 9 | 42 | 58 |
| 10 | 41 | 59 |
| 11 | 40 | 60 |
| 12 | 40 | 60 |
| 13 | 37 | 63 |
| 14 | 37 | 63 |
| 15 | 36 | 64 |
| 16 | 35 | 65 |
| 17 | 35 | 65 |
| 18 | 35 | 65 |
| 19 | 33 | 67 |
| 20 | 33 | 67 |
| 21 | 33 | 67 |
| 22 | 32 | 68 |
| 23 | 32 | 68 |
| 24 | 31 | 69 |
| 25 | 30 | 70 |
| 26 | 29 | 71 |
| 27 | 29 | 71 |
| 28 | 29 | 71 |
| 29 | 29 | 71 |
| 30 | 29 | 71 |
Chance of precipitation in June
Niigata gets around 123 mm of rain over 11.2 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 50% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| Rain chance (%) | |
|---|---|
| 1 | 31 |
| 2 | 31 |
| 3 | 31 |
| 4 | 31 |
| 5 | 32 |
| 6 | 32 |
| 7 | 32 |
| 8 | 33 |
| 9 | 33 |
| 10 | 34 |
| 11 | 34 |
| 12 | 35 |
| 13 | 36 |
| 14 | 36 |
| 15 | 37 |
| 16 | 38 |
| 17 | 38 |
| 18 | 39 |
| 19 | 39 |
| 20 | 40 |
| 21 | 41 |
| 22 | 42 |
| 23 | 43 |
| 24 | 44 |
| 25 | 45 |
| 26 | 46 |
| 27 | 47 |
| 28 | 48 |
| 29 | 49 |
| 30 | 50 |
Humidity in June
Most of June feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 21 | 19 | 18 | 16 | 15 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Comfortable (%) | 46 | 44 | 42 | 41 | 39 | 37 | 35 | 33 | 31 | 29 | 27 | 25 | 23 | 22 | 20 | 19 | 18 | 16 | 15 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 |
| Humid (%) | 31 | 33 | 36 | 38 | 40 | 42 | 43 | 45 | 46 | 47 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 43 | 42 | 41 | 39 | 38 | 36 | 34 | 32 | 30 | 28 | 26 | 24 |
| Muggy (%) | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 11 | 13 | 15 | 17 | 20 | 22 | 25 | 27 | 30 | 32 | 34 | 36 | 39 | 41 | 43 | 44 | 46 | 48 | 49 | 50 | 52 | 52 | 53 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 7 | 8 | 10 | 11 | 13 | 15 | 18 | 20 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 21 | 46 | 31 | 2 | 0 |
| 2 | 19 | 44 | 33 | 3 | 0 |
| 3 | 18 | 42 | 36 | 4 | 0 |
| 4 | 16 | 41 | 38 | 5 | 0 |
| 5 | 15 | 39 | 40 | 6 | 0 |
| 6 | 13 | 37 | 42 | 8 | 0 |
| 7 | 12 | 35 | 43 | 10 | 0 |
| 8 | 11 | 33 | 45 | 11 | 0 |
| 9 | 10 | 31 | 46 | 13 | 0 |
| 10 | 9 | 29 | 47 | 15 | 0 |
| 11 | 8 | 27 | 48 | 17 | 0 |
| 12 | 7 | 25 | 48 | 20 | 0 |
| 13 | 6 | 23 | 48 | 22 | 0 |
| 14 | 5 | 22 | 48 | 25 | 1 |
| 15 | 4 | 20 | 47 | 27 | 1 |
| 16 | 4 | 19 | 47 | 30 | 1 |
| 17 | 3 | 18 | 46 | 32 | 1 |
| 18 | 3 | 16 | 45 | 34 | 2 |
| 19 | 3 | 15 | 43 | 36 | 3 |
| 20 | 2 | 14 | 42 | 39 | 3 |
| 21 | 2 | 13 | 41 | 41 | 4 |
| 22 | 1 | 11 | 39 | 43 | 5 |
| 23 | 1 | 10 | 38 | 44 | 7 |
| 24 | 1 | 9 | 36 | 46 | 8 |
| 25 | 1 | 8 | 34 | 48 | 10 |
| 26 | 1 | 7 | 32 | 49 | 11 |
| 27 | 1 | 6 | 30 | 50 | 13 |
| 28 | 0 | 5 | 28 | 52 | 15 |
| 29 | 0 | 4 | 26 | 52 | 18 |
| 30 | 0 | 3 | 24 | 53 | 20 |
Wind in June
Winds average 11 km/h in June.
Across June, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 12 | calm |
| 20 | 12 | calm |
| 21 | 12 | calm |
| 22 | 12 | calm |
| 23 | 12 | calm |
| 24 | 12 | calm |
| 25 | 12 | calm |
| 26 | 12 | calm |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
Sunrise & sunset in June
Daylight runs from about 14 h 24 min at the start of June to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 4:29 AM to 4:29 AM, and sunset from 6:54 PM to 7:05 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 |
| Sunrise (AM) | 4:29 | 4:28 | 4:28 | 4:27 | 4:27 | 4:27 | 4:27 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:26 | 4:27 | 4:27 | 4:27 | 4:27 | 4:28 | 4:28 | 4:28 | 4:29 |
| Sunset (PM) | 6:54 | 6:55 | 6:56 | 6:56 | 6:57 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:02 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:04 | 7:04 | 7:05 | 7:05 | 7:05 | 7:05 | 7:05 | 7:05 | 7:05 | 7:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.4 | 4:29 | 6:54 |
| 2 | 14.4 | 4:28 | 6:55 |
| 3 | 14.5 | 4:28 | 6:56 |
| 4 | 14.5 | 4:27 | 6:56 |
| 5 | 14.5 | 4:27 | 6:57 |
| 6 | 14.5 | 4:27 | 6:57 |
| 7 | 14.5 | 4:27 | 6:58 |
| 8 | 14.5 | 4:26 | 6:59 |
| 9 | 14.6 | 4:26 | 6:59 |
| 10 | 14.6 | 4:26 | 7:00 |
| 11 | 14.6 | 4:26 | 7:00 |
| 12 | 14.6 | 4:26 | 7:01 |
| 13 | 14.6 | 4:26 | 7:01 |
| 14 | 14.6 | 4:26 | 7:02 |
| 15 | 14.6 | 4:26 | 7:02 |
| 16 | 14.6 | 4:26 | 7:02 |
| 17 | 14.6 | 4:26 | 7:03 |
| 18 | 14.6 | 4:26 | 7:03 |
| 19 | 14.6 | 4:26 | 7:04 |
| 20 | 14.6 | 4:26 | 7:04 |
| 21 | 14.6 | 4:26 | 7:04 |
| 22 | 14.6 | 4:26 | 7:04 |
| 23 | 14.6 | 4:27 | 7:05 |
| 24 | 14.6 | 4:27 | 7:05 |
| 25 | 14.6 | 4:27 | 7:05 |
| 26 | 14.6 | 4:27 | 7:05 |
| 27 | 14.6 | 4:28 | 7:05 |
| 28 | 14.6 | 4:28 | 7:05 |
| 29 | 14.6 | 4:28 | 7:05 |
| 30 | 14.6 | 4:29 | 7:05 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 5.63 kWh/m².
For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 5.68 kWh/m² in May across the year — June's 5.63 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 |
| Level | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Intense |
| 2 | 6.0 | Intense |
| 3 | 6.0 | Intense |
| 4 | 6.0 | Bright |
| 5 | 6.0 | Bright |
| 6 | 6.0 | Bright |
| 7 | 5.9 | Bright |
| 8 | 5.9 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.0 | Bright |
Hazard calendar for Niigata
In June, Niigata sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Niigata sits in the Pacific typhoon belt; the season peaks July–October.
Is June a good time to visit Niigata?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Niigata for sightseeing.
What to pack for Niigata in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Niigata sees daytime highs around 22°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.
Sea temperature near Niigata in June
The nearest coast averages about 19°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in August at about 26°C and coldest in March near 10°C.
It's comfortable for a long swim from Jun 22 to Oct 30 — about 4.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 10 | 11 | 15 | 19 | 23 | 26 | 25 | 22 | 18 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 11 | Bracing |
| May | 15 | Bracing |
| Jun | 19 | Cool |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 18 | Cool |
| Dec | 15 | Cool |
UV index in Niigata in June
Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Niigata peaks around August 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 9 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Niigata in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Niigata is worst in April — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 7 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Niigata's WHO annual average of 10 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 10 | 15 | 16 | 14 | 11 | 9 | 8 | 7 | 7 | 7 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 15 | Moderate |
| Apr | 16 | Moderate |
| May | 14 | Moderate |
| Jun | 11 | Good |
| Jul | 9 | Good |
| Aug | 8 | Good |
| Sep | 7 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Niigata?
Niigata sits at 37.9°N, 139.0°E, 1 m above sea level, in Japan. The nearest listed city is Kameda-honchō, 8.0 km away.
Topography around Niigata
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Niigata.
Within 3 km, the terrain around Niigata has only modest variations in elevation — a maximum elevation change of 29 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.
The land around Niigata is covered by artificial surfaces (55%) and water (39%) within 3 km, water (52%) and cropland (24%) within 16 km, and water (45%) and trees (44%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Niigata (37.9226°, 139.0412°, elevation 1 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).