Tainai weather in July
In July, Tainai sees average daytime highs of 27°C and overnight lows near 20°C, with 315 mm of rain across 19.5 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.
Highs climb over the month, from about 25°C in the first days to 29°C by the end. The sky is clear or mostly clear about 15% of the time in July, and the air most often feels muggy.
Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Tainai's 9th-clearest and 11th-windiest month. For the whole year in context, see Tainai's year-round climate.
- Daytime high
- 27°
- 2nd warmest
- Overnight low
- 20°
- 11th coldest
- Rainfall
- 315 mm
- 19.5 wet days
- Daylight
- 14 h 24 min
- 4:36 AM – 7:00 PM
- Cloud cover
- 75%
- 9th clearest
- Wind
- 6 km/h
- 11th windiest
- Solar energy
- 4.77 kWh/m²
- Travel score
- 4.8
- out of 10
Tainai is city in Niigata Prefecture, Japan.
- Density
- 108/km²
- people per km²
- Founded
- 2005
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 25°C in the first days to 29°C by the end.
A typical July day in Tainai reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, July runs about 3°C warmer than June and about 2°C cooler than August.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 19 |
| 2 | 25 | 19 |
| 3 | 25 | 19 |
| 4 | 26 | 19 |
| 5 | 26 | 19 |
| 6 | 26 | 19 |
| 7 | 26 | 19 |
| 8 | 26 | 19 |
| 9 | 26 | 20 |
| 10 | 26 | 20 |
| 11 | 26 | 20 |
| 12 | 26 | 20 |
| 13 | 26 | 20 |
| 14 | 27 | 20 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 21 |
| 18 | 27 | 21 |
| 19 | 27 | 21 |
| 20 | 28 | 21 |
| 21 | 28 | 21 |
| 22 | 28 | 21 |
| 23 | 28 | 21 |
| 24 | 28 | 21 |
| 25 | 28 | 21 |
| 26 | 29 | 21 |
| 27 | 29 | 22 |
| 28 | 29 | 22 |
| 29 | 29 | 22 |
| 30 | 29 | 22 |
| 31 | 29 | 22 |
How July really feels in Tainai
Once humidity and wind are folded in, July 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.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Tainai weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -2° | 221 | 26.3 | 24.2 | 9.7 | 0.0 |
| Feb | 3° / -2° | 158 | 22.1 | 19.9 | 10.5 | 0.0 |
| Mar | 7° / -0° | 165 | 21.1 | 13.4 | 11.7 | 0.8 |
| Apr | 14° / 5° | 134 | 16.1 | 2.6 | 13 | 3.5 |
| May | 20° / 11° | 143 | 14.4 | 0 | 14 | 5.6 |
| Jun | 24° / 16° | 186 | 14.8 | 0 | 14.6 | 5.8 |
| Jul | 27° / 20° | 315 | 19.5 | 0 | 14.4 | 4.8 |
| Aug | 29° / 21° | 215 | 17.2 | 0 | 13.5 | 4.8 |
| Sep | 25° / 17° | 167 | 15 | 0 | 12.3 | 5.7 |
| Oct | 18° / 11° | 168 | 16 | 0 | 11 | 5.0 |
| Nov | 12° / 5° | 181 | 19.3 | 3 | 9.9 | 2.4 |
| Dec | 6° / -0° | 227 | 25.3 | 16.8 | 9.4 | 0.3 |
Cloud cover in July
The sky is clear or mostly clear about 15% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to open up 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 22 | 23 | 23 | 23 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 31 | 32 | 32 | 33 | 35 | 35 | 37 | 37 |
| Cloudier (%) | 79 | 78 | 78 | 78 | 79 | 79 | 79 | 78 | 77 | 78 | 77 | 77 | 77 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 72 | 72 | 71 | 69 | 68 | 68 | 67 | 65 | 65 | 63 | 63 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 21 | 79 |
| 2 | 22 | 78 |
| 3 | 22 | 78 |
| 4 | 22 | 78 |
| 5 | 21 | 79 |
| 6 | 21 | 79 |
| 7 | 21 | 79 |
| 8 | 22 | 78 |
| 9 | 23 | 77 |
| 10 | 22 | 78 |
| 11 | 23 | 77 |
| 12 | 23 | 77 |
| 13 | 23 | 77 |
| 14 | 25 | 75 |
| 15 | 25 | 75 |
| 16 | 25 | 75 |
| 17 | 26 | 74 |
| 18 | 26 | 74 |
| 19 | 27 | 73 |
| 20 | 27 | 73 |
| 21 | 28 | 72 |
| 22 | 28 | 72 |
| 23 | 29 | 71 |
| 24 | 31 | 69 |
| 25 | 32 | 68 |
| 26 | 32 | 68 |
| 27 | 33 | 67 |
| 28 | 35 | 65 |
| 29 | 35 | 65 |
| 30 | 37 | 63 |
| 31 | 37 | 63 |
Chance of precipitation in July
Tainai gets around 315 mm of rain over 19.5 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 62% and peaks near 67% on the wettest days. The odds ease 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 63 | 64 | 65 | 65 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 64 | 63 | 62 | 62 | 61 | 60 | 59 | 58 | 57 | 56 | 55 | 55 | 54 | 54 | 54 |
| Rain chance (%) | |
|---|---|
| 1 | 63 |
| 2 | 64 |
| 3 | 65 |
| 4 | 65 |
| 5 | 66 |
| 6 | 66 |
| 7 | 67 |
| 8 | 67 |
| 9 | 67 |
| 10 | 67 |
| 11 | 67 |
| 12 | 66 |
| 13 | 66 |
| 14 | 65 |
| 15 | 65 |
| 16 | 64 |
| 17 | 64 |
| 18 | 63 |
| 19 | 62 |
| 20 | 62 |
| 21 | 61 |
| 22 | 60 |
| 23 | 59 |
| 24 | 58 |
| 25 | 57 |
| 26 | 56 |
| 27 | 55 |
| 28 | 55 |
| 29 | 54 |
| 30 | 54 |
| 31 | 54 |
Humidity in July
Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 76% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 12 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 39 | 37 | 36 | 34 | 33 | 31 | 30 | 28 | 27 | 25 | 24 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 |
| Muggy (%) | 39 | 41 | 43 | 44 | 45 | 46 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 46 | 46 | 45 | 44 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 36 | 35 | 34 | 32 | 31 | 30 |
| Oppressive (%) | 9 | 10 | 11 | 13 | 14 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | 27 | 29 | 31 | 33 | 35 | 37 | 39 | 41 | 43 | 45 | 47 | 49 | 51 | 54 | 55 | 57 | 58 | 59 | 60 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 2 | 12 | 39 | 39 | 9 | 0 |
| 2 | 1 | 10 | 37 | 41 | 10 | 0 |
| 3 | 1 | 9 | 36 | 43 | 11 | 0 |
| 4 | 1 | 8 | 34 | 44 | 13 | 0 |
| 5 | 1 | 7 | 33 | 45 | 14 | 0 |
| 6 | 0 | 7 | 31 | 46 | 16 | 0 |
| 7 | 0 | 6 | 30 | 47 | 17 | 0 |
| 8 | 0 | 5 | 28 | 48 | 19 | 0 |
| 9 | 0 | 5 | 27 | 48 | 20 | 0 |
| 10 | 0 | 5 | 25 | 48 | 22 | 0 |
| 11 | 0 | 4 | 24 | 48 | 24 | 0 |
| 12 | 0 | 4 | 22 | 48 | 25 | 0 |
| 13 | 0 | 4 | 21 | 48 | 27 | 0 |
| 14 | 0 | 4 | 20 | 47 | 29 | 0 |
| 15 | 0 | 3 | 19 | 46 | 31 | 0 |
| 16 | 0 | 3 | 18 | 46 | 33 | 0 |
| 17 | 0 | 3 | 17 | 45 | 35 | 0 |
| 18 | 0 | 3 | 16 | 44 | 37 | 0 |
| 19 | 0 | 2 | 15 | 44 | 39 | 0 |
| 20 | 0 | 2 | 14 | 43 | 41 | 0 |
| 21 | 0 | 2 | 13 | 42 | 43 | 0 |
| 22 | 0 | 2 | 12 | 41 | 45 | 0 |
| 23 | 0 | 2 | 11 | 40 | 47 | 0 |
| 24 | 0 | 1 | 11 | 39 | 49 | 0 |
| 25 | 0 | 1 | 10 | 38 | 51 | 0 |
| 26 | 0 | 1 | 9 | 36 | 54 | 0 |
| 27 | 0 | 1 | 9 | 35 | 55 | 0 |
| 28 | 0 | 1 | 8 | 34 | 57 | 0 |
| 29 | 0 | 1 | 8 | 32 | 58 | 1 |
| 30 | 0 | 1 | 8 | 31 | 59 | 1 |
| 31 | 0 | 1 | 8 | 30 | 60 | 1 |
Wind in July
Winds average 6 km/h in July.
Across July, daily wind ranges from about 6 km/h on the calmest days to 7 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in July
Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over July. Sunrise moves from 4:27 AM to 4:48 AM, and sunset from 7:04 PM to 6:49 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 |
| Sunrise (AM) | 4:27 | 4:28 | 4:28 | 4:29 | 4:29 | 4:30 | 4:30 | 4:31 | 4:31 | 4:32 | 4:33 | 4:33 | 4:34 | 4:35 | 4:35 | 4:36 | 4:37 | 4:37 | 4:38 | 4:39 | 4:40 | 4:40 | 4:41 | 4:42 | 4:43 | 4:44 | 4:44 | 4:45 | 4:46 | 4:47 | 4:48 |
| Sunset (PM) | 7:04 | 7:04 | 7:04 | 7:04 | 7:04 | 7:04 | 7:03 | 7:03 | 7:03 | 7:03 | 7:02 | 7:02 | 7:01 | 7:01 | 7:01 | 7:00 | 7:00 | 6:59 | 6:58 | 6:58 | 6:57 | 6:56 | 6:56 | 6:55 | 6:54 | 6:54 | 6:53 | 6:52 | 6:51 | 6:50 | 6:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.6 | 4:27 | 7:04 |
| 2 | 14.6 | 4:28 | 7:04 |
| 3 | 14.6 | 4:28 | 7:04 |
| 4 | 14.6 | 4:29 | 7:04 |
| 5 | 14.6 | 4:29 | 7:04 |
| 6 | 14.6 | 4:30 | 7:04 |
| 7 | 14.6 | 4:30 | 7:03 |
| 8 | 14.5 | 4:31 | 7:03 |
| 9 | 14.5 | 4:31 | 7:03 |
| 10 | 14.5 | 4:32 | 7:03 |
| 11 | 14.5 | 4:33 | 7:02 |
| 12 | 14.5 | 4:33 | 7:02 |
| 13 | 14.5 | 4:34 | 7:01 |
| 14 | 14.4 | 4:35 | 7:01 |
| 15 | 14.4 | 4:35 | 7:01 |
| 16 | 14.4 | 4:36 | 7:00 |
| 17 | 14.4 | 4:37 | 7:00 |
| 18 | 14.4 | 4:37 | 6:59 |
| 19 | 14.3 | 4:38 | 6:58 |
| 20 | 14.3 | 4:39 | 6:58 |
| 21 | 14.3 | 4:40 | 6:57 |
| 22 | 14.3 | 4:40 | 6:56 |
| 23 | 14.2 | 4:41 | 6:56 |
| 24 | 14.2 | 4:42 | 6:55 |
| 25 | 14.2 | 4:43 | 6:54 |
| 26 | 14.2 | 4:44 | 6:54 |
| 27 | 14.1 | 4:44 | 6:53 |
| 28 | 14.1 | 4:45 | 6:52 |
| 29 | 14.1 | 4:46 | 6:51 |
| 30 | 14.1 | 4:47 | 6:50 |
| 31 | 14.0 | 4:48 | 6:49 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 4.77 kWh/m².
For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.51 kWh/m² in May across the year — July's 4.77 kWh/m² falls in the middle.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 |
| Level | 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 | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.6 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.6 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.9 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Tainai
In July, Tainai sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Tainai sits in the Pacific typhoon belt; the season peaks July–October.
Is July a good time to visit Tainai?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Tainai for sightseeing.
What to pack for Tainai in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Tainai sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.
Sea temperature near Tainai in July
The nearest coast averages about 23°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in March near 9°C.
It's comfortable for a long swim from Jun 21 to Oct 29 — 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 | 9 | 11 | 15 | 20 | 23 | 26 | 25 | 22 | 18 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 9 | Bracing |
| Apr | 11 | Bracing |
| May | 15 | Bracing |
| Jun | 20 | Cool |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 18 | Cool |
| Dec | 15 | Bracing |
UV index in Tainai in July
Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tainai peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 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 | 10 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Tainai in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Tainai is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 20 | 21 | 19 | 15 | 14 | 12 | 10 | 10 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 20 | Moderate |
| Apr | 21 | Moderate |
| May | 19 | Moderate |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 12 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Tainai?
Tainai sits at 38.1°N, 139.4°E, 48 m above sea level, in Japan. The nearest listed city is Shibata, 14 km away.
Topography around Tainai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tainai.
Within 3 km, the terrain around Tainai has significant variations in elevation — a maximum elevation change of 325 m around an average of 33 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 938 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.
The land around Tainai is covered by cropland (46%), trees (26%) and artificial surfaces (24%) within 3 km, trees (41%), water (28%) and cropland (20%) within 16 km, and trees (52%) and water (35%) 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 Tainai (38.0646°, 139.4056°, elevation 48 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).