Nasu weather in October
In October, Nasu sees average daytime highs of 18°C and overnight lows near 10°C, with 185 mm of rain across 14 wet days and about 11 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.
Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 27% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 36 min at the start of October to 10 h 30 min by month's end. Set against the rest of the year, October is Nasu's 7th-clearest and 8th-windiest month. For the whole year in context, see Nasu's year-round climate.
- Daytime high
- 18°
- 6th warmest
- Overnight low
- 10°
- 7th coldest
- Rainfall
- 185 mm
- 14 wet days
- Daylight
- 11 hours
- 5:54 AM – 4:56 PM
- Cloud cover
- 64%
- 7th clearest
- Wind
- 7 km/h
- 8th windiest
- Solar energy
- 2.92 kWh/m²
- Travel score
- 5.2
- out of 10
Temperature in October
Highs ease over the month, from about 20°C in the first days to 16°C by the end.
A typical October day in Nasu reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 21°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.
| 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) | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 13 |
| 2 | 20 | 13 |
| 3 | 20 | 13 |
| 4 | 20 | 13 |
| 5 | 20 | 13 |
| 6 | 20 | 13 |
| 7 | 20 | 12 |
| 8 | 19 | 12 |
| 9 | 19 | 12 |
| 10 | 19 | 12 |
| 11 | 19 | 12 |
| 12 | 19 | 11 |
| 13 | 19 | 11 |
| 14 | 18 | 11 |
| 15 | 18 | 11 |
| 16 | 18 | 10 |
| 17 | 18 | 10 |
| 18 | 18 | 10 |
| 19 | 18 | 10 |
| 20 | 17 | 10 |
| 21 | 17 | 9 |
| 22 | 17 | 9 |
| 23 | 17 | 9 |
| 24 | 17 | 9 |
| 25 | 17 | 8 |
| 26 | 16 | 8 |
| 27 | 16 | 8 |
| 28 | 16 | 8 |
| 29 | 16 | 8 |
| 30 | 16 | 7 |
| 31 | 16 | 7 |
How October really feels in Nasu
Once humidity and wind are folded in, October 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.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Nasu weather by month
How October compares with the rest of the year at a glance. October is the 6th-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 | 5° / -3° | 61 | 9.3 | 8 | 9.7 | 0.0 |
| Feb | 5° / -2° | 56 | 8.8 | 6.2 | 10.6 | 0.2 |
| Mar | 9° / 0° | 111 | 13.3 | 5.1 | 11.7 | 1.8 |
| Apr | 15° / 5° | 130 | 13.1 | 1.1 | 12.9 | 4.1 |
| May | 20° / 10° | 149 | 13.9 | 0 | 14 | 5.6 |
| Jun | 23° / 15° | 176 | 16.8 | 0 | 14.5 | 5.3 |
| Jul | 26° / 19° | 240 | 21.1 | 0 | 14.3 | 4.8 |
| Aug | 27° / 20° | 190 | 18.4 | 0 | 13.4 | 5.0 |
| Sep | 24° / 17° | 227 | 16.4 | 0 | 12.3 | 5.5 |
| Oct | 18° / 10° | 185 | 14 | 0 | 11 | 5.2 |
| Nov | 13° / 4° | 88 | 9.4 | 0.3 | 10 | 3.5 |
| Dec | 7° / -0° | 60 | 9.6 | 4.1 | 9.5 | 1.1 |
Cloud cover in October
The sky is clear or mostly clear about 27% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 57%. 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 (%) | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 46 | 47 | 48 | 49 | 51 | 51 | 52 | 53 | 54 | 54 |
| Cloudier (%) | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 59 | 59 | 58 | 57 | 56 | 56 | 55 | 54 | 53 | 52 | 51 | 49 | 49 | 48 | 47 | 46 | 46 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 36 | 64 |
| 2 | 36 | 64 |
| 3 | 36 | 64 |
| 4 | 36 | 64 |
| 5 | 36 | 64 |
| 6 | 37 | 63 |
| 7 | 37 | 63 |
| 8 | 38 | 62 |
| 9 | 38 | 62 |
| 10 | 39 | 61 |
| 11 | 39 | 61 |
| 12 | 39 | 61 |
| 13 | 40 | 60 |
| 14 | 40 | 60 |
| 15 | 41 | 59 |
| 16 | 41 | 59 |
| 17 | 42 | 58 |
| 18 | 43 | 57 |
| 19 | 44 | 56 |
| 20 | 44 | 56 |
| 21 | 45 | 55 |
| 22 | 46 | 54 |
| 23 | 47 | 53 |
| 24 | 48 | 52 |
| 25 | 49 | 51 |
| 26 | 51 | 49 |
| 27 | 51 | 49 |
| 28 | 52 | 48 |
| 29 | 53 | 47 |
| 30 | 54 | 46 |
| 31 | 54 | 46 |
Chance of precipitation in October
Nasu gets around 185 mm of rain over 14 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 44% and peaks near 50% 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 (%) | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 46 | 46 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 39 | 39 | 38 | 37 | 36 | 35 |
| Rain chance (%) | |
|---|---|
| 1 | 50 |
| 2 | 50 |
| 3 | 50 |
| 4 | 49 |
| 5 | 49 |
| 6 | 49 |
| 7 | 49 |
| 8 | 48 |
| 9 | 48 |
| 10 | 48 |
| 11 | 47 |
| 12 | 46 |
| 13 | 46 |
| 14 | 45 |
| 15 | 45 |
| 16 | 44 |
| 17 | 44 |
| 18 | 43 |
| 19 | 43 |
| 20 | 43 |
| 21 | 42 |
| 22 | 42 |
| 23 | 41 |
| 24 | 41 |
| 25 | 40 |
| 26 | 39 |
| 27 | 39 |
| 28 | 38 |
| 29 | 37 |
| 30 | 36 |
| 31 | 35 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 76% 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 (%) | 43 | 45 | 47 | 49 | 52 | 54 | 56 | 58 | 61 | 64 | 67 | 70 | 72 | 75 | 77 | 80 | 81 | 85 | 86 | 89 | 90 | 91 | 93 | 94 | 94 | 95 | 95 | 96 | 97 | 97 | 98 |
| Comfortable (%) | 36 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 29 | 27 | 25 | 23 | 21 | 19 | 17 | 15 | 14 | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 |
| Humid (%) | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Muggy (%) | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 43 | 36 | 16 | 4 |
| 2 | 45 | 36 | 15 | 4 |
| 3 | 47 | 36 | 14 | 3 |
| 4 | 49 | 35 | 13 | 3 |
| 5 | 52 | 34 | 12 | 2 |
| 6 | 54 | 33 | 11 | 2 |
| 7 | 56 | 32 | 10 | 2 |
| 8 | 58 | 31 | 9 | 2 |
| 9 | 61 | 29 | 9 | 1 |
| 10 | 64 | 27 | 8 | 1 |
| 11 | 67 | 25 | 7 | 1 |
| 12 | 70 | 23 | 6 | 1 |
| 13 | 72 | 21 | 6 | 1 |
| 14 | 75 | 19 | 5 | 1 |
| 15 | 77 | 17 | 5 | 1 |
| 16 | 80 | 15 | 4 | 1 |
| 17 | 81 | 14 | 4 | 1 |
| 18 | 85 | 12 | 3 | 0 |
| 19 | 86 | 11 | 3 | 0 |
| 20 | 89 | 9 | 2 | 0 |
| 21 | 90 | 8 | 2 | 0 |
| 22 | 91 | 7 | 2 | 0 |
| 23 | 93 | 6 | 1 | 0 |
| 24 | 94 | 5 | 1 | 0 |
| 25 | 94 | 5 | 1 | 0 |
| 26 | 95 | 4 | 1 | 0 |
| 27 | 95 | 4 | 1 | 0 |
| 28 | 96 | 3 | 1 | 0 |
| 29 | 97 | 3 | 0 | 0 |
| 30 | 97 | 3 | 0 | 0 |
| 31 | 98 | 2 | 0 | 0 |
Wind in October
Winds average 7 km/h in October.
Across October, daily wind ranges from about 7 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 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in October
Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over October. Sunrise moves from 5:40 AM to 6:09 AM, and sunset from 5:17 PM to 4:38 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) | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 |
| Sunrise (AM) | 5:40 | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:55 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 |
| Sunset (PM) | 5:17 | 5:16 | 5:14 | 5:13 | 5:11 | 5:10 | 5:08 | 5:07 | 5:05 | 5:04 | 5:03 | 5:01 | 5:00 | 4:58 | 4:57 | 4:56 | 4:54 | 4:53 | 4:52 | 4:50 | 4:49 | 4:48 | 4:47 | 4:45 | 4:44 | 4:43 | 4:42 | 4:41 | 4:40 | 4:39 | 4:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 5:40 | 5:17 |
| 2 | 11.6 | 5:41 | 5:16 |
| 3 | 11.5 | 5:42 | 5:14 |
| 4 | 11.5 | 5:43 | 5:13 |
| 5 | 11.5 | 5:43 | 5:11 |
| 6 | 11.4 | 5:44 | 5:10 |
| 7 | 11.4 | 5:45 | 5:08 |
| 8 | 11.3 | 5:46 | 5:07 |
| 9 | 11.3 | 5:47 | 5:05 |
| 10 | 11.3 | 5:48 | 5:04 |
| 11 | 11.2 | 5:49 | 5:03 |
| 12 | 11.2 | 5:50 | 5:01 |
| 13 | 11.1 | 5:51 | 5:00 |
| 14 | 11.1 | 5:52 | 4:58 |
| 15 | 11.1 | 5:53 | 4:57 |
| 16 | 11.0 | 5:54 | 4:56 |
| 17 | 11.0 | 5:55 | 4:54 |
| 18 | 11.0 | 5:56 | 4:53 |
| 19 | 10.9 | 5:57 | 4:52 |
| 20 | 10.9 | 5:58 | 4:50 |
| 21 | 10.8 | 5:59 | 4:49 |
| 22 | 10.8 | 6:00 | 4:48 |
| 23 | 10.8 | 6:01 | 4:47 |
| 24 | 10.7 | 6:02 | 4:45 |
| 25 | 10.7 | 6:03 | 4:44 |
| 26 | 10.7 | 6:04 | 4:43 |
| 27 | 10.6 | 6:05 | 4:42 |
| 28 | 10.6 | 6:06 | 4:41 |
| 29 | 10.6 | 6:07 | 4:40 |
| 30 | 10.5 | 6:08 | 4:39 |
| 31 | 10.5 | 6:09 | 4:38 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 2.92 kWh/m².
For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 5.19 kWh/m² in May across the year — October's 2.92 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) | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 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 | 3.1 | Moderate |
| 2 | 3.1 | Moderate |
| 3 | 3.1 | Moderate |
| 4 | 3.1 | Moderate |
| 5 | 3.1 | Moderate |
| 6 | 3.0 | Moderate |
| 7 | 3.0 | Moderate |
| 8 | 3.0 | Moderate |
| 9 | 3.0 | Moderate |
| 10 | 3.0 | Moderate |
| 11 | 3.0 | Moderate |
| 12 | 3.0 | Moderate |
| 13 | 3.0 | Moderate |
| 14 | 3.0 | Moderate |
| 15 | 2.9 | Moderate |
| 16 | 2.9 | Moderate |
| 17 | 2.9 | Moderate |
| 18 | 2.9 | Moderate |
| 19 | 2.9 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.8 | Moderate |
| 30 | 2.8 | Moderate |
| 31 | 2.8 | Moderate |
Hazard calendar for Nasu
In October, Nasu sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Nasu's rainy season runs March–October, when most of the year's rain falls.
Is October a good time to visit Nasu?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Nasu for sightseeing.
What to pack for Nasu in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Nasu sees daytime highs around 18°C and nights near 10°C. Pack rain gear. About 14 days see rain.
UV index in Nasu in October
Clear-sky midday UV in October 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 Nasu peaks around July 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
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 | 3 | 5 | 7 | 8 | 9 | 9 | 9 | 9 | 6 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Nasu in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Nasu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× 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) | 10 | 13 | 19 | 21 | 20 | 16 | 14 | 13 | 11 | 11 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 13 | Moderate |
| Mar | 19 | Moderate |
| Apr | 21 | Moderate |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Nasu?
Nasu sits at 37.0°N, 140.1°E, 362 m above sea level, in Japan. The nearest listed city is Nasushiobara, 8.0 km away.
Topography around Nasu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nasu.
Within 3 km, the terrain around Nasu has only modest variations in elevation — a maximum elevation change of 143 m around an average of 386 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,727 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,550 m.
The land around Nasu is covered by trees (64%) and cropland (24%) within 3 km, trees (72%) within 16 km, and trees (77%) 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 Nasu (37.0421°, 140.0938°, elevation 362 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. 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).