Uchiko weather in March
In March, Uchiko sees average daytime highs of 13°C and overnight lows near 3°C, with 127 mm of precipitation across 12.5 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 30% 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 Uchiko's 6th-clearest and 3rd-windiest month. For the whole year in context, see Uchiko's year-round climate.
- Daytime high
- 13°
- 9th warmest
- Overnight low
- 3°
- 4th coldest
- Precipitation
- 127 mm
- 12.5 wet days
- Daylight
- 11 h 42 min
- 6:27 AM – 6:11 PM
- Cloud cover
- 60%
- 6th clearest
- Wind
- 9 km/h
- 3rd windiest
- Solar energy
- 4.41 kWh/m²
- Travel score
- 3.5
- out of 10
Temperature in March
Highs climb over the month, from about 11°C in the first days to 15°C by the end.
A typical March day in Uchiko reaches about 13°C in the afternoon and slips back to 3°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, March runs about 4°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) | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 |
| Avg low (°C) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 11 | 2 |
| 2 | 11 | 2 |
| 3 | 11 | 2 |
| 4 | 11 | 2 |
| 5 | 12 | 2 |
| 6 | 12 | 2 |
| 7 | 12 | 2 |
| 8 | 12 | 2 |
| 9 | 12 | 2 |
| 10 | 12 | 3 |
| 11 | 12 | 3 |
| 12 | 13 | 3 |
| 13 | 13 | 3 |
| 14 | 13 | 3 |
| 15 | 13 | 3 |
| 16 | 13 | 3 |
| 17 | 13 | 3 |
| 18 | 13 | 4 |
| 19 | 14 | 4 |
| 20 | 14 | 4 |
| 21 | 14 | 4 |
| 22 | 14 | 4 |
| 23 | 14 | 4 |
| 24 | 14 | 4 |
| 25 | 14 | 5 |
| 26 | 15 | 5 |
| 27 | 15 | 5 |
| 28 | 15 | 5 |
| 29 | 15 | 5 |
| 30 | 15 | 5 |
| 31 | 16 | 6 |
How March really feels in Uchiko
Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 11 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is cold — wind chill drags the overnight "feels like" below the raw low.
Uchiko weather by month
How March compares with the rest of the year at a glance. March is the 9th-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 | 8° / -0° | 67 | 10.7 | 4.7 | 10 | 1.3 |
| Feb | 9° / 1° | 83 | 10.4 | 3.5 | 10.8 | 1.8 |
| Mar | 13° / 3° | 127 | 12.5 | 1 | 11.7 | 3.5 |
| Apr | 18° / 8° | 144 | 11.3 | 0.1 | 12.8 | 5.6 |
| May | 23° / 13° | 169 | 11.7 | 0 | 13.7 | 6.4 |
| Jun | 25° / 18° | 301 | 16.8 | 0 | 14.2 | 5.3 |
| Jul | 29° / 22° | 263 | 18.2 | 0 | 14 | 4.3 |
| Aug | 30° / 23° | 179 | 17.2 | 0 | 13.2 | 4.0 |
| Sep | 27° / 19° | 204 | 15.1 | 0 | 12.2 | 5.5 |
| Oct | 22° / 12° | 153 | 9.3 | 0 | 11.2 | 6.9 |
| Nov | 16° / 6° | 86 | 8.6 | 0.1 | 10.3 | 5.3 |
| Dec | 10° / 2° | 79 | 10.6 | 2.6 | 9.8 | 2.5 |
Cloud cover in March
The sky is clear or mostly clear about 30% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 52%.
| 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 (%) | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 48 | 49 | 48 | 48 | 48 | 48 | 47 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 47 | 48 | 48 | 48 | 48 |
| Cloudier (%) | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 52 | 51 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 53 | 52 | 52 | 52 | 52 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 48 | 52 |
| 3 | 48 | 52 |
| 4 | 48 | 52 |
| 5 | 48 | 52 |
| 6 | 48 | 52 |
| 7 | 48 | 52 |
| 8 | 49 | 51 |
| 9 | 49 | 51 |
| 10 | 48 | 52 |
| 11 | 49 | 51 |
| 12 | 48 | 52 |
| 13 | 48 | 52 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 47 | 53 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 47 | 53 |
| 20 | 47 | 53 |
| 21 | 47 | 53 |
| 22 | 47 | 53 |
| 23 | 47 | 53 |
| 24 | 46 | 54 |
| 25 | 46 | 54 |
| 26 | 46 | 54 |
| 27 | 47 | 53 |
| 28 | 48 | 52 |
| 29 | 48 | 52 |
| 30 | 48 | 52 |
| 31 | 48 | 52 |
Chance of precipitation in March
Uchiko gets around 127 mm of rain and snow over 12.5 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 40% and peaks near 40% on the wettest days, and about 1 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 (%) | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 38 |
| Snow chance (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 39 | 5 |
| 2 | 40 | 5 |
| 3 | 40 | 5 |
| 4 | 40 | 5 |
| 5 | 40 | 5 |
| 6 | 40 | 5 |
| 7 | 40 | 5 |
| 8 | 40 | 5 |
| 9 | 40 | 4 |
| 10 | 40 | 4 |
| 11 | 40 | 4 |
| 12 | 40 | 4 |
| 13 | 40 | 4 |
| 14 | 40 | 3 |
| 15 | 40 | 3 |
| 16 | 40 | 3 |
| 17 | 40 | 3 |
| 18 | 40 | 3 |
| 19 | 40 | 3 |
| 20 | 40 | 2 |
| 21 | 40 | 2 |
| 22 | 40 | 2 |
| 23 | 40 | 2 |
| 24 | 40 | 2 |
| 25 | 40 | 1 |
| 26 | 40 | 1 |
| 27 | 40 | 1 |
| 28 | 39 | 1 |
| 29 | 39 | 1 |
| 30 | 39 | 1 |
| 31 | 38 | 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 98% 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 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 96 | 95 | 95 | 95 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Humid (%) | 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 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 99 | 1 | 0 |
| 2 | 99 | 1 | 0 |
| 3 | 99 | 1 | 0 |
| 4 | 99 | 1 | 0 |
| 5 | 99 | 1 | 0 |
| 6 | 99 | 1 | 0 |
| 7 | 99 | 1 | 0 |
| 8 | 99 | 1 | 0 |
| 9 | 99 | 1 | 0 |
| 10 | 99 | 1 | 0 |
| 11 | 99 | 1 | 0 |
| 12 | 99 | 1 | 0 |
| 13 | 99 | 1 | 0 |
| 14 | 99 | 1 | 0 |
| 15 | 99 | 1 | 0 |
| 16 | 98 | 2 | 0 |
| 17 | 98 | 2 | 0 |
| 18 | 98 | 2 | 0 |
| 19 | 98 | 2 | 0 |
| 20 | 98 | 2 | 0 |
| 21 | 98 | 2 | 0 |
| 22 | 98 | 2 | 0 |
| 23 | 97 | 3 | 0 |
| 24 | 97 | 3 | 0 |
| 25 | 97 | 3 | 0 |
| 26 | 97 | 3 | 0 |
| 27 | 97 | 3 | 0 |
| 28 | 96 | 3 | 1 |
| 29 | 95 | 4 | 1 |
| 30 | 95 | 4 | 1 |
| 31 | 95 | 4 | 1 |
Wind in March
Winds average 9 km/h in March.
Across March, 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | 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 |
| 31 | 9 | calm |
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 6:46 AM to 6:06 AM, and sunset from 5:59 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 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 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 | 12.2 | 12.3 |
| Sunrise (AM) | 6:46 | 6:45 | 6:44 | 6:42 | 6:41 | 6:40 | 6:39 | 6:37 | 6:36 | 6:35 | 6:33 | 6:32 | 6:31 | 6:30 | 6:28 | 6:27 | 6:25 | 6:24 | 6:23 | 6:21 | 6:20 | 6:19 | 6:17 | 6:16 | 6:14 | 6:13 | 6:12 | 6:10 | 6:09 | 6:07 | 6:06 |
| Sunset (PM) | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:07 | 6:08 | 6:09 | 6:10 | 6:11 | 6:11 | 6:12 | 6:13 | 6:14 | 6:14 | 6:15 | 6:16 | 6:17 | 6:17 | 6:18 | 6:19 | 6:20 | 6:20 | 6:21 | 6:22 | 6:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 6:46 | 5:59 |
| 2 | 11.3 | 6:45 | 6:00 |
| 3 | 11.3 | 6:44 | 6:01 |
| 4 | 11.3 | 6:42 | 6:02 |
| 5 | 11.4 | 6:41 | 6:03 |
| 6 | 11.4 | 6:40 | 6:03 |
| 7 | 11.4 | 6:39 | 6:04 |
| 8 | 11.5 | 6:37 | 6:05 |
| 9 | 11.5 | 6:36 | 6:06 |
| 10 | 11.5 | 6:35 | 6:07 |
| 11 | 11.6 | 6:33 | 6:07 |
| 12 | 11.6 | 6:32 | 6:08 |
| 13 | 11.6 | 6:31 | 6:09 |
| 14 | 11.7 | 6:30 | 6:10 |
| 15 | 11.7 | 6:28 | 6:11 |
| 16 | 11.7 | 6:27 | 6:11 |
| 17 | 11.8 | 6:25 | 6:12 |
| 18 | 11.8 | 6:24 | 6:13 |
| 19 | 11.8 | 6:23 | 6:14 |
| 20 | 11.9 | 6:21 | 6:14 |
| 21 | 11.9 | 6:20 | 6:15 |
| 22 | 12.0 | 6:19 | 6:16 |
| 23 | 12.0 | 6:17 | 6:17 |
| 24 | 12.0 | 6:16 | 6:17 |
| 25 | 12.1 | 6:14 | 6:18 |
| 26 | 12.1 | 6:13 | 6:19 |
| 27 | 12.1 | 6:12 | 6:20 |
| 28 | 12.2 | 6:10 | 6:20 |
| 29 | 12.2 | 6:09 | 6:21 |
| 30 | 12.2 | 6:07 | 6:22 |
| 31 | 12.3 | 6:06 | 6:23 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.41 kWh/m².
For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 5.45 kWh/m² in May across the year — March's 4.41 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) | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.9 |
| Level | Moderate | 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 | 4.0 | Moderate |
| 2 | 4.0 | Bright |
| 3 | 4.0 | Bright |
| 4 | 4.1 | Bright |
| 5 | 4.1 | Bright |
| 6 | 4.1 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.4 | Bright |
| 15 | 4.4 | Bright |
| 16 | 4.4 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.6 | Bright |
| 22 | 4.6 | Bright |
| 23 | 4.6 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.7 | Bright |
| 27 | 4.7 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.8 | Bright |
| 30 | 4.8 | Bright |
| 31 | 4.9 | Bright |
Hazard calendar for Uchiko
In March, Uchiko sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Uchiko sits in the Pacific typhoon belt; the season peaks July–October.
Uchiko's rainy season runs April–October, when most of the year's rain falls.
Is March a good time to visit Uchiko?
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 Uchiko.
What to pack for Uchiko in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Uchiko sees daytime highs around 13°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 13 days see rain.
Sea temperature near Uchiko in March
The nearest coast averages about 14°C in March — 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 February near 14°C.
It's comfortable for a long swim from Jun 11 to Nov 19 — about 5.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 14 | 15 | 17 | 21 | 24 | 26 | 25 | 23 | 20 | 18 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 17 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 18 | Cool |
UV index in Uchiko in March
Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Uchiko peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 7 | 9 | 10 | 10 | 9 | 10 | 7 | 4 | 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 | 6 | High |
| Apr | 7 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Uchiko 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 Uchiko is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 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 | 17 | 21 | 23 | 21 | 19 | 15 | 15 | 12 | 11 | 12 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 17 | Moderate |
| Mar | 21 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 19 | Moderate |
| Jul | 15 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Moderate |
| Oct | 11 | Good |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Uchiko?
Uchiko sits at 33.5°N, 132.6°E, 61 m above sea level, in Japan. The nearest listed city is Ōzu, 11 km away.
Topography around Uchiko
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Uchiko.
Within 3 km, the terrain around Uchiko has significant variations in elevation — a maximum elevation change of 498 m around an average of 138 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,110 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,895 m.
The land around Uchiko is covered by trees (79%) within 3 km, trees (91%) within 16 km, and water (49%) and trees (47%) 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 Uchiko (33.5499°, 132.6471°, elevation 61 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).