Izumo weather in March
In March, Izumo sees average daytime highs of 11°C and overnight lows near 5°C, with 116 mm of precipitation across 14.1 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 10°C in the first days to 13°C by the end. The sky is clear or mostly clear about 23% of the time in March, and the air most often feels dry.
Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Izumo's 6th-clearest and 4th-windiest month. For the whole year in context, see Izumo's year-round climate.
- Daytime high
- 11°
- 9th warmest
- Overnight low
- 5°
- 4th coldest
- Precipitation
- 116 mm
- 14.1 wet days
- Daylight
- 11 h 42 min
- 6:27 AM – 6:10 PM
- Cloud cover
- 64%
- 6th clearest
- Wind
- 13 km/h
- 4th windiest
- Solar energy
- 4.24 kWh/m²
- Travel score
- 2.6
- out of 10
Izumo is city in Shimane Prefecture, Japan.
- Density
- 277/km²
- people per km²
- Founded
- 2005
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 10°C in the first days to 13°C by the end.
A typical March day in Izumo reaches about 11°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, March runs about 3°C warmer than February and about 5°C cooler than April.
| 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
| Avg low (°C) | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 10 | 3 |
| 2 | 10 | 4 |
| 3 | 10 | 4 |
| 4 | 10 | 4 |
| 5 | 10 | 4 |
| 6 | 10 | 4 |
| 7 | 10 | 4 |
| 8 | 10 | 4 |
| 9 | 10 | 4 |
| 10 | 11 | 4 |
| 11 | 11 | 4 |
| 12 | 11 | 4 |
| 13 | 11 | 4 |
| 14 | 11 | 5 |
| 15 | 11 | 5 |
| 16 | 11 | 5 |
| 17 | 12 | 5 |
| 18 | 12 | 5 |
| 19 | 12 | 5 |
| 20 | 12 | 5 |
| 21 | 12 | 5 |
| 22 | 12 | 6 |
| 23 | 12 | 6 |
| 24 | 12 | 6 |
| 25 | 13 | 6 |
| 26 | 13 | 6 |
| 27 | 13 | 6 |
| 28 | 13 | 6 |
| 29 | 13 | 6 |
| 30 | 13 | 7 |
| 31 | 14 | 7 |
How March really feels in Izumo
Once humidity and wind are folded in, March 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.
March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Izumo weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 2° | 96 | 17.3 | 7.8 | 9.9 | 0.9 |
| Feb | 8° / 2° | 87 | 14.6 | 6.2 | 10.7 | 1.2 |
| Mar | 11° / 5° | 116 | 14.1 | 2.1 | 11.7 | 2.6 |
| Apr | 16° / 9° | 104 | 10.7 | 0 | 12.9 | 5.1 |
| May | 21° / 14° | 117 | 10.5 | 0 | 13.8 | 6.4 |
| Jun | 24° / 19° | 160 | 12.7 | 0 | 14.3 | 6.1 |
| Jul | 28° / 23° | 213 | 15.2 | 0 | 14.1 | 5.0 |
| Aug | 30° / 24° | 149 | 13.9 | 0 | 13.3 | 4.6 |
| Sep | 26° / 20° | 190 | 13.6 | 0 | 12.2 | 6.0 |
| Oct | 21° / 15° | 103 | 10.3 | 0 | 11.1 | 6.5 |
| Nov | 15° / 9° | 87 | 11.1 | 0.1 | 10.1 | 4.6 |
| Dec | 10° / 5° | 103 | 16.3 | 4.5 | 9.7 | 2.0 |
Cloud cover in March
The sky is clear or mostly clear about 23% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 59%. 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 (%) | 33 | 35 | 35 | 36 | 36 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 42 | 43 | 43 | 43 | 43 | 42 | 42 | 43 | 43 | 43 | 43 | 44 | 43 | 43 | 44 | 44 | 45 | 45 |
| Cloudier (%) | 67 | 65 | 65 | 64 | 64 | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 59 | 58 | 57 | 57 | 57 | 57 | 58 | 58 | 57 | 57 | 57 | 57 | 56 | 57 | 57 | 56 | 56 | 55 | 55 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 33 | 67 |
| 2 | 35 | 65 |
| 3 | 35 | 65 |
| 4 | 36 | 64 |
| 5 | 36 | 64 |
| 6 | 38 | 62 |
| 7 | 38 | 62 |
| 8 | 39 | 61 |
| 9 | 39 | 61 |
| 10 | 40 | 60 |
| 11 | 40 | 60 |
| 12 | 41 | 59 |
| 13 | 41 | 59 |
| 14 | 42 | 58 |
| 15 | 43 | 57 |
| 16 | 43 | 57 |
| 17 | 43 | 57 |
| 18 | 43 | 57 |
| 19 | 42 | 58 |
| 20 | 42 | 58 |
| 21 | 43 | 57 |
| 22 | 43 | 57 |
| 23 | 43 | 57 |
| 24 | 43 | 57 |
| 25 | 44 | 56 |
| 26 | 43 | 57 |
| 27 | 43 | 57 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 45 | 55 |
| 31 | 45 | 55 |
Chance of precipitation in March
Izumo gets around 116 mm of rain and snow over 14.1 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 45% and peaks near 47% on the wettest days, and about 2 days bring 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 (%) | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 42 | 42 | 41 | 41 |
| Snow chance (%) | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 47 | 12 |
| 2 | 47 | 12 |
| 3 | 47 | 12 |
| 4 | 47 | 11 |
| 5 | 47 | 11 |
| 6 | 47 | 11 |
| 7 | 47 | 10 |
| 8 | 47 | 10 |
| 9 | 47 | 10 |
| 10 | 46 | 9 |
| 11 | 46 | 9 |
| 12 | 46 | 8 |
| 13 | 46 | 7 |
| 14 | 46 | 7 |
| 15 | 45 | 7 |
| 16 | 45 | 6 |
| 17 | 45 | 6 |
| 18 | 45 | 5 |
| 19 | 45 | 5 |
| 20 | 45 | 4 |
| 21 | 45 | 4 |
| 22 | 45 | 4 |
| 23 | 44 | 3 |
| 24 | 44 | 3 |
| 25 | 43 | 3 |
| 26 | 43 | 3 |
| 27 | 43 | 2 |
| 28 | 42 | 2 |
| 29 | 42 | 2 |
| 30 | 41 | 2 |
| 31 | 41 | 1 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the dry band about 100% 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 |
| Comfortable (%) | 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 (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
| 31 | 99 | 1 |
Wind in March
Winds average 13 km/h in March.
Across March, daily wind ranges from about 13 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| 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 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in March
Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over March. Sunrise moves from 6:47 AM to 6:05 AM, and sunset from 5:57 PM to 6:23 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) | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 |
| Sunrise (AM) | 6:47 | 6:46 | 6:45 | 6:43 | 6:42 | 6:41 | 6:39 | 6:38 | 6:37 | 6:35 | 6:34 | 6:33 | 6:31 | 6:30 | 6:28 | 6:27 | 6:25 | 6:24 | 6:23 | 6:21 | 6:20 | 6:18 | 6:17 | 6:15 | 6:14 | 6:12 | 6:11 | 6:09 | 6:08 | 6:07 | 6:05 |
| Sunset (PM) | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 6:47 | 5:57 |
| 2 | 11.2 | 6:46 | 5:58 |
| 3 | 11.2 | 6:45 | 5:59 |
| 4 | 11.3 | 6:43 | 6:00 |
| 5 | 11.3 | 6:42 | 6:01 |
| 6 | 11.3 | 6:41 | 6:02 |
| 7 | 11.4 | 6:39 | 6:02 |
| 8 | 11.4 | 6:38 | 6:03 |
| 9 | 11.5 | 6:37 | 6:04 |
| 10 | 11.5 | 6:35 | 6:05 |
| 11 | 11.5 | 6:34 | 6:06 |
| 12 | 11.6 | 6:33 | 6:07 |
| 13 | 11.6 | 6:31 | 6:08 |
| 14 | 11.6 | 6:30 | 6:09 |
| 15 | 11.7 | 6:28 | 6:09 |
| 16 | 11.7 | 6:27 | 6:10 |
| 17 | 11.8 | 6:25 | 6:11 |
| 18 | 11.8 | 6:24 | 6:12 |
| 19 | 11.8 | 6:23 | 6:13 |
| 20 | 11.9 | 6:21 | 6:14 |
| 21 | 11.9 | 6:20 | 6:15 |
| 22 | 12.0 | 6:18 | 6:15 |
| 23 | 12.0 | 6:17 | 6:16 |
| 24 | 12.0 | 6:15 | 6:17 |
| 25 | 12.1 | 6:14 | 6:18 |
| 26 | 12.1 | 6:12 | 6:19 |
| 27 | 12.1 | 6:11 | 6:19 |
| 28 | 12.2 | 6:09 | 6:20 |
| 29 | 12.2 | 6:08 | 6:21 |
| 30 | 12.3 | 6:07 | 6:22 |
| 31 | 12.3 | 6:05 | 6:23 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.24 kWh/m².
For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 5.74 kWh/m² in May across the year — March's 4.24 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) | 3.6 | 3.7 | 3.7 | 3.8 | 3.8 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.8 | 4.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | 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 | 3.6 | Moderate |
| 2 | 3.7 | Moderate |
| 3 | 3.7 | Moderate |
| 4 | 3.8 | Moderate |
| 5 | 3.8 | Moderate |
| 6 | 3.9 | Moderate |
| 7 | 3.9 | Moderate |
| 8 | 4.0 | Moderate |
| 9 | 4.0 | Moderate |
| 10 | 4.0 | Bright |
| 11 | 4.1 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.3 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.6 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.7 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.8 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Izumo
In March, Izumo sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Izumo sits in the Pacific typhoon belt; the season peaks July–October.
Is March a good time to visit Izumo?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Izumo.
What to pack for Izumo in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Izumo sees daytime highs around 11°C and nights near 5°C. Pack a warm layer and rain gear. About 14 days see rain.
Sea temperature near Izumo in March
The nearest coast averages about 13°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in August at about 27°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 12 to Nov 15 — about 5.2 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 | 21 | 24 | 27 | 25 | 23 | 20 | 17 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 17 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 27 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 17 | Cool |
UV index in Izumo in March
Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Izumo peaks around July 18 at about 10 (extreme) — 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) | 3 | 4 | 5 | 7 | 8 | 9 | 11 | 10 | 9 | 6 | 4 | 2 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Izumo in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Izumo is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 10 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) | 14 | 16 | 21 | 22 | 20 | 17 | 13 | 12 | 11 | 10 | 12 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 16 | Moderate |
| Mar | 21 | Moderate |
| Apr | 22 | Moderate |
| May | 20 | Moderate |
| Jun | 17 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Izumo?
Izumo sits at 35.4°N, 132.8°E, 6 m above sea level, in Japan. The nearest listed city is Hiratachō, 9.0 km away.
Topography around Izumo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Izumo.
Within 3 km, the terrain around Izumo has only modest variations in elevation — a maximum elevation change of 152 m around an average of 16 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 567 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.
The land around Izumo is covered by artificial surfaces (52%) and cropland (22%) within 3 km, trees (54%) and water (25%) within 16 km, and trees (52%) and water (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 Izumo (35.3667°, 132.7667°, elevation 6 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).