Kasumigaura weather in June
In June, Kasumigaura sees average daytime highs of 25°C and overnight lows near 18°C, with 153 mm of rain across 14.9 wet days and about 14.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.
Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 11% of the time in June, and the air most often feels humid.
Daylight stretches from about 14 h 18 min at the start of June to 14 h 24 min by month's end. Set against the rest of the year, June is Kasumigaura's 12th-clearest and 8th-windiest month. For the whole year in context, see Kasumigaura's year-round climate.
- Daytime high
- 25°
- 4th warmest
- Overnight low
- 18°
- 9th coldest
- Rainfall
- 153 mm
- 14.9 wet days
- Daylight
- 14 h 24 min
- 4:26 AM – 6:53 PM
- Cloud cover
- 80%
- 12th clearest
- Wind
- 9 km/h
- 8th windiest
- Solar energy
- 4.67 kWh/m²
- Travel score
- 5.6
- out of 10
Kasumigaura is city in Ibaraki Prefecture, Japan.
- Density
- 256/km²
- people per km²
- Founded
- 2005
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 24°C in the first days to 26°C by the end.
A typical June day in Kasumigaura reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, June runs about 3°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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 |
| Avg low (°C) | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 16 |
| 2 | 24 | 17 |
| 3 | 24 | 17 |
| 4 | 24 | 17 |
| 5 | 24 | 17 |
| 6 | 24 | 17 |
| 7 | 24 | 17 |
| 8 | 24 | 17 |
| 9 | 24 | 17 |
| 10 | 24 | 18 |
| 11 | 24 | 18 |
| 12 | 24 | 18 |
| 13 | 25 | 18 |
| 14 | 25 | 18 |
| 15 | 25 | 18 |
| 16 | 25 | 18 |
| 17 | 25 | 19 |
| 18 | 25 | 19 |
| 19 | 25 | 19 |
| 20 | 25 | 19 |
| 21 | 25 | 19 |
| 22 | 25 | 19 |
| 23 | 26 | 19 |
| 24 | 26 | 20 |
| 25 | 26 | 20 |
| 26 | 26 | 20 |
| 27 | 26 | 20 |
| 28 | 26 | 20 |
| 29 | 27 | 20 |
| 30 | 27 | 20 |
How June really feels in Kasumigaura
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.
Kasumigaura weather by month
How June compares with the rest of the year at a glance. June is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 1° | 61 | 6.7 | 1.5 | 9.8 | 1.8 |
| Feb | 9° / 1° | 61 | 7.4 | 1.7 | 10.6 | 2.1 |
| Mar | 13° / 4° | 110 | 12.5 | 1 | 11.7 | 3.4 |
| Apr | 18° / 9° | 114 | 11.9 | 0.1 | 12.9 | 5.3 |
| May | 22° / 14° | 140 | 12.5 | 0 | 13.9 | 6.2 |
| Jun | 25° / 18° | 153 | 14.9 | 0 | 14.4 | 5.6 |
| Jul | 29° / 22° | 171 | 16.1 | 0 | 14.2 | 4.7 |
| Aug | 30° / 23° | 127 | 13.6 | 0 | 13.4 | 4.5 |
| Sep | 26° / 20° | 174 | 14.5 | 0 | 12.2 | 5.6 |
| Oct | 21° / 14° | 191 | 12.4 | 0 | 11.1 | 6.1 |
| Nov | 16° / 8° | 91 | 9.5 | 0 | 10.1 | 5.1 |
| Dec | 11° / 3° | 60 | 7.4 | 0.2 | 9.6 | 2.9 |
Cloud cover in June
The sky is clear or mostly clear about 11% of the time in June, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 80%. 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 (%) | 30 | 29 | 29 | 27 | 26 | 26 | 24 | 24 | 22 | 21 | 21 | 19 | 18 | 18 | 18 | 17 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 |
| Cloudier (%) | 70 | 71 | 71 | 73 | 74 | 74 | 76 | 76 | 78 | 79 | 79 | 81 | 82 | 82 | 82 | 83 | 85 | 85 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 83 | 83 | 82 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 30 | 70 |
| 2 | 29 | 71 |
| 3 | 29 | 71 |
| 4 | 27 | 73 |
| 5 | 26 | 74 |
| 6 | 26 | 74 |
| 7 | 24 | 76 |
| 8 | 24 | 76 |
| 9 | 22 | 78 |
| 10 | 21 | 79 |
| 11 | 21 | 79 |
| 12 | 19 | 81 |
| 13 | 18 | 82 |
| 14 | 18 | 82 |
| 15 | 18 | 82 |
| 16 | 17 | 83 |
| 17 | 15 | 85 |
| 18 | 15 | 85 |
| 19 | 16 | 84 |
| 20 | 16 | 84 |
| 21 | 16 | 84 |
| 22 | 16 | 84 |
| 23 | 16 | 84 |
| 24 | 16 | 84 |
| 25 | 16 | 84 |
| 26 | 16 | 84 |
| 27 | 16 | 84 |
| 28 | 17 | 83 |
| 29 | 17 | 83 |
| 30 | 18 | 82 |
Chance of precipitation in June
Kasumigaura gets around 153 mm of rain over 14.9 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 51% and peaks near 59% 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 (%) | 40 | 41 | 41 | 42 | 43 | 43 | 44 | 45 | 46 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 57 | 58 | 58 | 59 | 59 | 59 |
| Rain chance (%) | |
|---|---|
| 1 | 40 |
| 2 | 41 |
| 3 | 41 |
| 4 | 42 |
| 5 | 43 |
| 6 | 43 |
| 7 | 44 |
| 8 | 45 |
| 9 | 46 |
| 10 | 48 |
| 11 | 49 |
| 12 | 50 |
| 13 | 51 |
| 14 | 52 |
| 15 | 53 |
| 16 | 54 |
| 17 | 54 |
| 18 | 55 |
| 19 | 55 |
| 20 | 55 |
| 21 | 55 |
| 22 | 56 |
| 23 | 56 |
| 24 | 56 |
| 25 | 57 |
| 26 | 58 |
| 27 | 58 |
| 28 | 59 |
| 29 | 59 |
| 30 | 59 |
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 36% of days. Sticky, muggy-or-worse air turns up on roughly 37% 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 | 17 | 16 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 39 | 39 | 38 | 38 | 37 | 35 | 34 | 33 | 31 | 29 | 27 | 25 | 23 | 22 | 20 | 18 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 5 |
| Humid (%) | 34 | 35 | 36 | 37 | 38 | 39 | 41 | 41 | 42 | 43 | 43 | 44 | 44 | 43 | 43 | 42 | 41 | 40 | 38 | 36 | 35 | 33 | 31 | 29 | 28 | 26 | 24 | 23 | 21 | 20 |
| Muggy (%) | 6 | 7 | 8 | 9 | 10 | 11 | 13 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 29 | 31 | 33 | 35 | 37 | 38 | 40 | 41 | 42 | 43 | 44 | 44 | 44 | 44 | 44 | 43 |
| Oppressive (%) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 15 | 17 | 19 | 21 | 23 | 25 | 27 | 29 |
| 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 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 21 | 39 | 34 | 6 | 0 | 0 |
| 2 | 19 | 39 | 35 | 7 | 0 | 0 |
| 3 | 17 | 38 | 36 | 8 | 0 | 0 |
| 4 | 16 | 38 | 37 | 9 | 1 | 0 |
| 5 | 14 | 37 | 38 | 10 | 1 | 0 |
| 6 | 13 | 35 | 39 | 11 | 1 | 0 |
| 7 | 11 | 34 | 41 | 13 | 1 | 0 |
| 8 | 10 | 33 | 41 | 14 | 2 | 0 |
| 9 | 9 | 31 | 42 | 16 | 2 | 0 |
| 10 | 8 | 29 | 43 | 18 | 2 | 0 |
| 11 | 7 | 27 | 43 | 20 | 3 | 0 |
| 12 | 6 | 25 | 44 | 22 | 3 | 0 |
| 13 | 5 | 23 | 44 | 24 | 4 | 0 |
| 14 | 4 | 22 | 43 | 26 | 4 | 0 |
| 15 | 4 | 20 | 43 | 29 | 5 | 0 |
| 16 | 3 | 18 | 42 | 31 | 6 | 0 |
| 17 | 3 | 16 | 41 | 33 | 7 | 0 |
| 18 | 3 | 15 | 40 | 35 | 8 | 0 |
| 19 | 2 | 14 | 38 | 37 | 9 | 0 |
| 20 | 2 | 13 | 36 | 38 | 10 | 0 |
| 21 | 2 | 12 | 35 | 40 | 12 | 0 |
| 22 | 2 | 11 | 33 | 41 | 14 | 0 |
| 23 | 1 | 10 | 31 | 42 | 15 | 0 |
| 24 | 1 | 9 | 29 | 43 | 17 | 0 |
| 25 | 1 | 8 | 28 | 44 | 19 | 0 |
| 26 | 1 | 7 | 26 | 44 | 21 | 1 |
| 27 | 1 | 7 | 24 | 44 | 23 | 1 |
| 28 | 1 | 6 | 23 | 44 | 25 | 1 |
| 29 | 1 | 5 | 21 | 44 | 27 | 1 |
| 30 | 1 | 5 | 20 | 43 | 29 | 1 |
Wind in June
Winds average 9 km/h in June.
Across June, daily wind ranges from about 9 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in June
Daylight runs from about 14 h 18 min at the start of June to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 4:28 AM to 4:29 AM, and sunset from 6:45 PM to 6:55 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) | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 | 14.4 |
| Sunrise (AM) | 4:28 | 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 | 4:27 | 4:27 | 4:27 | 4:27 | 4:28 | 4:28 | 4:28 | 4:29 | 4:29 |
| Sunset (PM) | 6:45 | 6:45 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 | 6:53 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:55 | 6:55 | 6:55 | 6:55 | 6:55 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 4:28 | 6:45 |
| 2 | 14.3 | 4:28 | 6:45 |
| 3 | 14.3 | 4:28 | 6:46 |
| 4 | 14.3 | 4:27 | 6:47 |
| 5 | 14.3 | 4:27 | 6:47 |
| 6 | 14.3 | 4:27 | 6:48 |
| 7 | 14.4 | 4:27 | 6:48 |
| 8 | 14.4 | 4:26 | 6:49 |
| 9 | 14.4 | 4:26 | 6:49 |
| 10 | 14.4 | 4:26 | 6:50 |
| 11 | 14.4 | 4:26 | 6:50 |
| 12 | 14.4 | 4:26 | 6:51 |
| 13 | 14.4 | 4:26 | 6:51 |
| 14 | 14.4 | 4:26 | 6:52 |
| 15 | 14.4 | 4:26 | 6:52 |
| 16 | 14.4 | 4:26 | 6:53 |
| 17 | 14.4 | 4:26 | 6:53 |
| 18 | 14.5 | 4:26 | 6:53 |
| 19 | 14.5 | 4:26 | 6:54 |
| 20 | 14.5 | 4:26 | 6:54 |
| 21 | 14.5 | 4:26 | 6:54 |
| 22 | 14.5 | 4:27 | 6:54 |
| 23 | 14.5 | 4:27 | 6:55 |
| 24 | 14.5 | 4:27 | 6:55 |
| 25 | 14.5 | 4:27 | 6:55 |
| 26 | 14.5 | 4:28 | 6:55 |
| 27 | 14.5 | 4:28 | 6:55 |
| 28 | 14.4 | 4:28 | 6:55 |
| 29 | 14.4 | 4:29 | 6:55 |
| 30 | 14.4 | 4:29 | 6:55 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 4.67 kWh/m².
For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 5.24 kWh/m² in May across the year — June's 4.67 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.0 | Bright |
| 7 | 5.0 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
Hazard calendar for Kasumigaura
In June, Kasumigaura sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Kasumigaura sits in the Pacific typhoon belt; the season peaks July–October.
Is June a good time to visit Kasumigaura?
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 Kasumigaura for sightseeing.
What to pack for Kasumigaura in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Kasumigaura sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.
Sea temperature near Kasumigaura in June
The nearest coast averages about 20°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 34 km away) is warmest in August at about 24°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 23 to Oct 28 — about 4.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 13 | 13 | 15 | 17 | 20 | 22 | 24 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 17 | Cool |
| Jun | 20 | Cool |
| Jul | 22 | Refreshing |
| Aug | 24 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Kasumigaura in June
Clear-sky midday UV in June 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 Kasumigaura peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 8 | 9 | 10 | 10 | 8 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Kasumigaura 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 Kasumigaura is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 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) | 15 | 18 | 25 | 25 | 24 | 19 | 16 | 15 | 15 | 16 | 16 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 18 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 24 | Moderate |
| Jun | 19 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 15 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Kasumigaura?
Kasumigaura sits at 36.2°N, 140.2°E, 9 m above sea level, in Japan. The nearest listed city is Ishioka, 4.0 km away.
Topography around Kasumigaura
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kasumigaura.
Within 3 km, the terrain around Kasumigaura has only modest variations in elevation — a maximum elevation change of 45 m around an average of 23 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 863 m; within 80 km, large variations in elevation — a maximum elevation change of 945 m.
The land around Kasumigaura is covered by trees (54%) and cropland (21%) within 3 km, trees (44%) and cropland (23%) within 16 km, and trees (31%), water (23%) and artificial surfaces (22%) 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 Kasumigaura (36.1533°, 140.2464°, elevation 9 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).