Izumi weather in January
In January, Izumi sees average daytime highs of 11°C and overnight lows near 7°C, with 88 mm of precipitation across 11.1 wet days and about 10.1 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 21% of the time in January, and the air most often feels dry.
Daylight stretches from about 9 h 54 min at the start of January to 10 h 24 min by month's end. Set against the rest of the year, January is Izumi's 9th-clearest and 1st-windiest month. For the whole year in context, see Izumi's year-round climate.
- Daytime high
- 11°
- 12th warmest
- Overnight low
- 7°
- 1st coldest
- Precipitation
- 88 mm
- 11.1 wet days
- Daylight
- 10 h 06 min
- 7:24 AM – 5:31 PM
- Cloud cover
- 65%
- 9th clearest
- Wind
- 16 km/h
- 1st windiest
- Solar energy
- 2.45 kWh/m²
- Travel score
- 2.7
- out of 10
Izumi is city in Kagoshima Prefecture, Japan.
- Density
- 158/km²
- people per km²
- Founded
- 2006
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 11°C through the month.
A typical January day in Izumi reaches about 11°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.
| 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) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg low (°C) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 12 | 8 |
| 2 | 12 | 8 |
| 3 | 12 | 8 |
| 4 | 12 | 8 |
| 5 | 12 | 8 |
| 6 | 12 | 8 |
| 7 | 11 | 8 |
| 8 | 11 | 8 |
| 9 | 11 | 8 |
| 10 | 11 | 7 |
| 11 | 11 | 7 |
| 12 | 11 | 7 |
| 13 | 11 | 7 |
| 14 | 11 | 7 |
| 15 | 11 | 7 |
| 16 | 11 | 7 |
| 17 | 11 | 7 |
| 18 | 11 | 7 |
| 19 | 11 | 7 |
| 20 | 11 | 7 |
| 21 | 11 | 7 |
| 22 | 11 | 7 |
| 23 | 11 | 7 |
| 24 | 11 | 7 |
| 25 | 11 | 7 |
| 26 | 11 | 7 |
| 27 | 11 | 7 |
| 28 | 11 | 7 |
| 29 | 11 | 7 |
| 30 | 11 | 7 |
| 31 | 11 | 7 |
How January really feels in Izumi
Once humidity and wind are folded in, January 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.
January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Izumi weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 7° | 88 | 11.1 | 10.1 | 2.7 |
| Feb | 12° / 8° | 105 | 10.6 | 10.8 | 2.9 |
| Mar | 14° / 10° | 149 | 12.9 | 11.8 | 4.0 |
| Apr | 18° / 14° | 178 | 11.4 | 12.8 | 5.6 |
| May | 22° / 18° | 198 | 11.6 | 13.6 | 6.3 |
| Jun | 25° / 21° | 487 | 18.4 | 14.1 | 5.2 |
| Jul | 28° / 25° | 342 | 18.2 | 13.9 | 4.6 |
| Aug | 30° / 26° | 171 | 16 | 13.2 | 4.4 |
| Sep | 28° / 24° | 193 | 13.2 | 12.2 | 5.7 |
| Oct | 23° / 19° | 110 | 8.5 | 11.2 | 7.2 |
| Nov | 18° / 14° | 117 | 9.3 | 10.4 | 6.1 |
| Dec | 13° / 9° | 97 | 10.1 | 9.9 | 3.9 |
Cloud cover in January
The sky is clear or mostly clear about 21% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 62%.
| 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 (%) | 44 | 44 | 43 | 42 | 41 | 41 | 39 | 38 | 39 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 39 | 39 |
| Cloudier (%) | 56 | 56 | 57 | 58 | 59 | 59 | 61 | 62 | 61 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 61 | 61 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 44 | 56 |
| 3 | 43 | 57 |
| 4 | 42 | 58 |
| 5 | 41 | 59 |
| 6 | 41 | 59 |
| 7 | 39 | 61 |
| 8 | 38 | 62 |
| 9 | 39 | 61 |
| 10 | 37 | 63 |
| 11 | 37 | 63 |
| 12 | 37 | 63 |
| 13 | 36 | 64 |
| 14 | 36 | 64 |
| 15 | 36 | 64 |
| 16 | 36 | 64 |
| 17 | 36 | 64 |
| 18 | 36 | 64 |
| 19 | 36 | 64 |
| 20 | 37 | 63 |
| 21 | 37 | 63 |
| 22 | 37 | 63 |
| 23 | 37 | 63 |
| 24 | 37 | 63 |
| 25 | 38 | 62 |
| 26 | 38 | 62 |
| 27 | 38 | 62 |
| 28 | 39 | 61 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
| 31 | 39 | 61 |
Chance of precipitation in January
Izumi gets around 88 mm of rain and snow over 11.1 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 36% and peaks near 39% on the wettest days, and about 0 day brings snow.
| 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 (%) | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 |
| Snow chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 31 | 0 |
| 2 | 32 | 0 |
| 3 | 32 | 0 |
| 4 | 32 | 0 |
| 5 | 32 | 0 |
| 6 | 32 | 0 |
| 7 | 32 | 0 |
| 8 | 33 | 0 |
| 9 | 33 | 0 |
| 10 | 34 | 0 |
| 11 | 34 | 0 |
| 12 | 35 | 1 |
| 13 | 36 | 1 |
| 14 | 36 | 1 |
| 15 | 37 | 1 |
| 16 | 38 | 1 |
| 17 | 38 | 1 |
| 18 | 39 | 1 |
| 19 | 39 | 1 |
| 20 | 39 | 1 |
| 21 | 39 | 1 |
| 22 | 39 | 1 |
| 23 | 39 | 1 |
| 24 | 39 | 1 |
| 25 | 39 | 1 |
| 26 | 39 | 2 |
| 27 | 39 | 2 |
| 28 | 38 | 2 |
| 29 | 38 | 2 |
| 30 | 37 | 2 |
| 31 | 37 | 1 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
| 31 | 99 | 1 |
Wind in January
Winds average 16 km/h in January, the windiest month of the year.
Across January, daily wind ranges from about 16 km/h on the calmest days to 16 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) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in January
Daylight runs from about 9 h 54 min at the start of January to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over January. Sunrise moves from 7:24 AM to 7:19 AM, and sunset from 5:20 PM to 5:45 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) | 9.9 | 9.9 | 9.9 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.4 | 10.4 |
| Sunrise (AM) | 7:24 | 7:24 | 7:24 | 7:24 | 7:24 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:24 | 7:24 | 7:24 | 7:24 | 7:24 | 7:23 | 7:23 | 7:23 | 7:22 | 7:22 | 7:22 | 7:21 | 7:21 | 7:20 | 7:20 | 7:19 |
| Sunset (PM) | 5:20 | 5:20 | 5:21 | 5:22 | 5:22 | 5:23 | 5:24 | 5:25 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:30 | 5:30 | 5:31 | 5:32 | 5:33 | 5:34 | 5:35 | 5:36 | 5:36 | 5:37 | 5:38 | 5:39 | 5:40 | 5:41 | 5:42 | 5:43 | 5:44 | 5:45 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.9 | 7:24 | 5:20 |
| 2 | 9.9 | 7:24 | 5:20 |
| 3 | 9.9 | 7:24 | 5:21 |
| 4 | 10.0 | 7:24 | 5:22 |
| 5 | 10.0 | 7:24 | 5:22 |
| 6 | 10.0 | 7:25 | 5:23 |
| 7 | 10.0 | 7:25 | 5:24 |
| 8 | 10.0 | 7:25 | 5:25 |
| 9 | 10.0 | 7:25 | 5:25 |
| 10 | 10.0 | 7:25 | 5:26 |
| 11 | 10.0 | 7:25 | 5:27 |
| 12 | 10.1 | 7:25 | 5:28 |
| 13 | 10.1 | 7:25 | 5:29 |
| 14 | 10.1 | 7:25 | 5:30 |
| 15 | 10.1 | 7:25 | 5:30 |
| 16 | 10.1 | 7:24 | 5:31 |
| 17 | 10.1 | 7:24 | 5:32 |
| 18 | 10.1 | 7:24 | 5:33 |
| 19 | 10.2 | 7:24 | 5:34 |
| 20 | 10.2 | 7:24 | 5:35 |
| 21 | 10.2 | 7:23 | 5:36 |
| 22 | 10.2 | 7:23 | 5:36 |
| 23 | 10.2 | 7:23 | 5:37 |
| 24 | 10.3 | 7:22 | 5:38 |
| 25 | 10.3 | 7:22 | 5:39 |
| 26 | 10.3 | 7:22 | 5:40 |
| 27 | 10.3 | 7:21 | 5:41 |
| 28 | 10.4 | 7:21 | 5:42 |
| 29 | 10.4 | 7:20 | 5:43 |
| 30 | 10.4 | 7:20 | 5:44 |
| 31 | 10.4 | 7:19 | 5:45 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 2.45 kWh/m².
For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 5.15 kWh/m² in May across the year — January's 2.45 kWh/m² sits near the bottom.
| 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) | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.5 | 2.5 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.6 | 2.7 | 2.7 | 2.7 | 2.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.4 | Moderate |
| 2 | 2.4 | Moderate |
| 3 | 2.4 | Moderate |
| 4 | 2.4 | Moderate |
| 5 | 2.4 | Moderate |
| 6 | 2.4 | Moderate |
| 7 | 2.4 | Moderate |
| 8 | 2.4 | Moderate |
| 9 | 2.3 | Moderate |
| 10 | 2.3 | Moderate |
| 11 | 2.3 | Moderate |
| 12 | 2.4 | Moderate |
| 13 | 2.4 | Moderate |
| 14 | 2.4 | Moderate |
| 15 | 2.4 | Moderate |
| 16 | 2.4 | Moderate |
| 17 | 2.4 | Moderate |
| 18 | 2.4 | Moderate |
| 19 | 2.4 | Moderate |
| 20 | 2.5 | Moderate |
| 21 | 2.5 | Moderate |
| 22 | 2.5 | Moderate |
| 23 | 2.5 | Moderate |
| 24 | 2.6 | Moderate |
| 25 | 2.6 | Moderate |
| 26 | 2.6 | Moderate |
| 27 | 2.6 | Moderate |
| 28 | 2.7 | Moderate |
| 29 | 2.7 | Moderate |
| 30 | 2.7 | Moderate |
| 31 | 2.8 | Moderate |
Hazard calendar for Izumi
In January, Izumi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Izumi sits in the Pacific typhoon belt; the season peaks July–October.
Izumi's rainy season runs June–July, when most of the year's rain falls.
Is January a good time to visit Izumi?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Izumi.
What to pack for Izumi in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Izumi sees daytime highs around 11°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.
Sea temperature near Izumi in January
The nearest coast averages about 17°C in January — 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 28°C and coldest in February near 16°C.
It's comfortable for a long swim from May 16 to Dec 4 — about 6.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 17 | 16 | 17 | 18 | 20 | 23 | 26 | 28 | 27 | 24 | 22 | 19 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 16 | Cool |
| Mar | 17 | Cool |
| Apr | 18 | Cool |
| May | 20 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 26 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 24 | Warm |
| Nov | 22 | Refreshing |
| Dec | 19 | Cool |
UV index in Izumi in January
Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Izumi peaks around July 10 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 8 | 8 | 10 | 11 | 9 | 10 | 6 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Izumi in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Izumi is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 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) | 17 | 20 | 24 | 24 | 22 | 18 | 13 | 14 | 14 | 14 | 16 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 24 | Moderate |
| Apr | 24 | Moderate |
| May | 22 | Moderate |
| Jun | 18 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 14 | Moderate |
| Oct | 14 | Moderate |
| Nov | 16 | Moderate |
| Dec | 15 | Moderate |
Where is Izumi?
Izumi sits at 32.1°N, 130.4°E, 37 m above sea level, in Japan. The nearest listed city is Minamata, 15 km away.
Topography around Izumi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Izumi.
Within 3 km, the terrain around Izumi has significant variations in elevation — a maximum elevation change of 357 m around an average of 86 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,063 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,718 m.
The land around Izumi is covered by trees (65%) and artificial surfaces (22%) within 3 km, trees (71%) within 16 km, and trees (48%) and water (45%) 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 Izumi (32.0833°, 130.3667°, elevation 37 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).