Numazu weather in May
In May, Numazu sees average daytime highs of 19°C and overnight lows near 15°C, with 232 mm of rain across 12.8 wet days and about 13.8 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels comfortable.
Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Numazu's 10th-clearest and 8th-windiest month. For the whole year in context, see Numazu's year-round climate.
- Daytime high
- 19°
- 6th warmest
- Overnight low
- 15°
- 7th coldest
- Rainfall
- 232 mm
- 12.8 wet days
- Daylight
- 13 h 48 min
- 4:46 AM – 6:36 PM
- Cloud cover
- 67%
- 10th clearest
- Wind
- 10 km/h
- 8th windiest
- Solar energy
- 5.45 kWh/m²
- Travel score
- 5.7
- out of 10
Numazu is city in Shizuoka Prefecture, Japan.
- Founded
- 1923
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 18°C in the first days to 20°C by the end.
A typical May day in Numazu reaches about 19°C in the afternoon and slips back to 15°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.
| 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) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 |
| Avg low (°C) | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 18 | 13 |
| 2 | 18 | 14 |
| 3 | 18 | 14 |
| 4 | 18 | 14 |
| 5 | 18 | 14 |
| 6 | 18 | 14 |
| 7 | 18 | 14 |
| 8 | 18 | 14 |
| 9 | 19 | 14 |
| 10 | 19 | 15 |
| 11 | 19 | 15 |
| 12 | 19 | 15 |
| 13 | 19 | 15 |
| 14 | 19 | 15 |
| 15 | 19 | 15 |
| 16 | 19 | 15 |
| 17 | 19 | 15 |
| 18 | 19 | 15 |
| 19 | 20 | 16 |
| 20 | 20 | 16 |
| 21 | 20 | 16 |
| 22 | 20 | 16 |
| 23 | 20 | 16 |
| 24 | 20 | 16 |
| 25 | 20 | 16 |
| 26 | 20 | 16 |
| 27 | 20 | 17 |
| 28 | 20 | 17 |
| 29 | 21 | 17 |
| 30 | 21 | 17 |
| 31 | 21 | 17 |
Numazu weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 5° | 96 | 8.5 | 0.7 | 9.9 | 2.0 |
| Feb | 9° / 5° | 117 | 9.1 | 0.9 | 10.7 | 2.1 |
| Mar | 12° / 7° | 204 | 14 | 0.5 | 11.7 | 2.9 |
| Apr | 16° / 11° | 215 | 13.1 | 0 | 12.9 | 4.5 |
| May | 19° / 15° | 232 | 12.8 | 0 | 13.8 | 5.7 |
| Jun | 22° / 19° | 286 | 15.8 | 0 | 14.3 | 5.4 |
| Jul | 26° / 23° | 294 | 16.5 | 0 | 14.1 | 5.6 |
| Aug | 27° / 24° | 165 | 14.2 | 0 | 13.3 | 5.9 |
| Sep | 25° / 22° | 243 | 14.5 | 0 | 12.2 | 6.0 |
| Oct | 20° / 17° | 245 | 13.1 | 0 | 11.1 | 6.0 |
| Nov | 16° / 12° | 144 | 10.8 | 0 | 10.2 | 5.0 |
| Dec | 12° / 8° | 89 | 8.4 | 0.1 | 9.7 | 3.3 |
Cloud cover in May
The sky is clear or mostly clear about 25% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 62%. 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 45 | 44 | 43 | 43 | 42 | 41 | 39 | 38 | 37 | 37 | 37 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 37 | 36 | 36 | 37 | 37 | 37 | 36 | 36 | 35 | 35 | 34 | 34 |
| Cloudier (%) | 55 | 56 | 57 | 57 | 58 | 59 | 61 | 62 | 63 | 63 | 63 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 64 | 64 | 63 | 63 | 63 | 64 | 64 | 65 | 65 | 66 | 66 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 45 | 55 |
| 2 | 44 | 56 |
| 3 | 43 | 57 |
| 4 | 43 | 57 |
| 5 | 42 | 58 |
| 6 | 41 | 59 |
| 7 | 39 | 61 |
| 8 | 38 | 62 |
| 9 | 37 | 63 |
| 10 | 37 | 63 |
| 11 | 37 | 63 |
| 12 | 35 | 65 |
| 13 | 35 | 65 |
| 14 | 35 | 65 |
| 15 | 35 | 65 |
| 16 | 35 | 65 |
| 17 | 36 | 64 |
| 18 | 36 | 64 |
| 19 | 36 | 64 |
| 20 | 37 | 63 |
| 21 | 36 | 64 |
| 22 | 36 | 64 |
| 23 | 37 | 63 |
| 24 | 37 | 63 |
| 25 | 37 | 63 |
| 26 | 36 | 64 |
| 27 | 36 | 64 |
| 28 | 35 | 65 |
| 29 | 35 | 65 |
| 30 | 34 | 66 |
| 31 | 34 | 66 |
Chance of precipitation in May
Numazu gets around 232 mm of rain over 12.8 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 41% and peaks near 43% on the wettest days.
| 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 (%) | 41 | 40 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 38 | 38 | 39 |
| Rain chance (%) | |
|---|---|
| 1 | 41 |
| 2 | 40 |
| 3 | 40 |
| 4 | 40 |
| 5 | 41 |
| 6 | 41 |
| 7 | 41 |
| 8 | 42 |
| 9 | 42 |
| 10 | 43 |
| 11 | 43 |
| 12 | 43 |
| 13 | 43 |
| 14 | 43 |
| 15 | 43 |
| 16 | 43 |
| 17 | 43 |
| 18 | 42 |
| 19 | 42 |
| 20 | 41 |
| 21 | 41 |
| 22 | 40 |
| 23 | 40 |
| 24 | 40 |
| 25 | 39 |
| 26 | 39 |
| 27 | 38 |
| 28 | 38 |
| 29 | 38 |
| 30 | 38 |
| 31 | 39 |
Humidity in May
Most of May feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the comfortable band about 44% 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 (%) | 59 | 56 | 54 | 53 | 51 | 48 | 46 | 44 | 42 | 40 | 38 | 37 | 35 | 33 | 31 | 29 | 27 | 25 | 23 | 21 | 20 | 18 | 17 | 16 | 15 | 13 | 12 | 12 | 11 | 10 | 9 |
| Comfortable (%) | 34 | 36 | 37 | 38 | 39 | 41 | 42 | 43 | 44 | 45 | 45 | 46 | 47 | 48 | 48 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 39 | 38 |
| Humid (%) | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 19 | 20 | 22 | 23 | 25 | 27 | 28 | 30 | 32 | 33 | 35 | 37 | 38 | 40 | 41 | 43 | 44 | 46 |
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 59 | 34 | 6 | 1 |
| 2 | 56 | 36 | 7 | 1 |
| 3 | 54 | 37 | 8 | 1 |
| 4 | 53 | 38 | 8 | 1 |
| 5 | 51 | 39 | 9 | 1 |
| 6 | 48 | 41 | 10 | 1 |
| 7 | 46 | 42 | 11 | 1 |
| 8 | 44 | 43 | 12 | 1 |
| 9 | 42 | 44 | 13 | 1 |
| 10 | 40 | 45 | 14 | 1 |
| 11 | 38 | 45 | 15 | 1 |
| 12 | 37 | 46 | 16 | 1 |
| 13 | 35 | 47 | 17 | 1 |
| 14 | 33 | 48 | 19 | 1 |
| 15 | 31 | 48 | 20 | 1 |
| 16 | 29 | 49 | 22 | 1 |
| 17 | 27 | 49 | 23 | 1 |
| 18 | 25 | 49 | 25 | 2 |
| 19 | 23 | 48 | 27 | 2 |
| 20 | 21 | 48 | 28 | 2 |
| 21 | 20 | 48 | 30 | 2 |
| 22 | 18 | 47 | 32 | 3 |
| 23 | 17 | 47 | 33 | 3 |
| 24 | 16 | 46 | 35 | 3 |
| 25 | 15 | 45 | 37 | 4 |
| 26 | 13 | 44 | 38 | 4 |
| 27 | 12 | 43 | 40 | 5 |
| 28 | 12 | 42 | 41 | 5 |
| 29 | 11 | 41 | 43 | 6 |
| 30 | 10 | 39 | 44 | 7 |
| 31 | 9 | 38 | 46 | 7 |
Wind in May
Winds average 10 km/h in May.
Across May, daily wind ranges from about 9 km/h on the calmest days to 11 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) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | 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 May
Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over May. Sunrise moves from 5:00 AM to 4:37 AM, and sunset from 6:24 PM to 6:47 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) | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 |
| Sunrise (AM) | 5:00 | 4:59 | 4:58 | 4:57 | 4:56 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:49 | 4:48 | 4:47 | 4:46 | 4:46 | 4:45 | 4:44 | 4:43 | 4:43 | 4:42 | 4:41 | 4:41 | 4:40 | 4:40 | 4:39 | 4:39 | 4:38 | 4:38 | 4:37 | 4:37 |
| Sunset (PM) | 6:24 | 6:24 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:29 | 6:30 | 6:31 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:37 | 6:37 | 6:38 | 6:39 | 6:40 | 6:41 | 6:41 | 6:42 | 6:43 | 6:43 | 6:44 | 6:45 | 6:46 | 6:46 | 6:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 5:00 | 6:24 |
| 2 | 13.4 | 4:59 | 6:24 |
| 3 | 13.5 | 4:58 | 6:25 |
| 4 | 13.5 | 4:57 | 6:26 |
| 5 | 13.5 | 4:56 | 6:27 |
| 6 | 13.6 | 4:55 | 6:28 |
| 7 | 13.6 | 4:54 | 6:29 |
| 8 | 13.6 | 4:53 | 6:29 |
| 9 | 13.6 | 4:52 | 6:30 |
| 10 | 13.7 | 4:51 | 6:31 |
| 11 | 13.7 | 4:50 | 6:32 |
| 12 | 13.7 | 4:49 | 6:33 |
| 13 | 13.8 | 4:48 | 6:34 |
| 14 | 13.8 | 4:47 | 6:34 |
| 15 | 13.8 | 4:46 | 6:35 |
| 16 | 13.8 | 4:46 | 6:36 |
| 17 | 13.9 | 4:45 | 6:37 |
| 18 | 13.9 | 4:44 | 6:37 |
| 19 | 13.9 | 4:43 | 6:38 |
| 20 | 13.9 | 4:43 | 6:39 |
| 21 | 14.0 | 4:42 | 6:40 |
| 22 | 14.0 | 4:41 | 6:41 |
| 23 | 14.0 | 4:41 | 6:41 |
| 24 | 14.0 | 4:40 | 6:42 |
| 25 | 14.1 | 4:40 | 6:43 |
| 26 | 14.1 | 4:39 | 6:43 |
| 27 | 14.1 | 4:39 | 6:44 |
| 28 | 14.1 | 4:38 | 6:45 |
| 29 | 14.1 | 4:38 | 6:46 |
| 30 | 14.1 | 4:37 | 6:46 |
| 31 | 14.2 | 4:37 | 6:47 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.45 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.45 kWh/m² in May across the year — May's 5.45 kWh/m² sits near the top of that range.
| 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) | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.4 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.4 | Bright |
| 31 | 5.4 | Bright |
Hazard calendar for Numazu
In May, Numazu sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Numazu sits in the Pacific typhoon belt; the season peaks July–October.
Is May a good time to visit Numazu?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Numazu for sightseeing.
What to pack for Numazu in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Numazu sees daytime highs around 19°C and nights near 15°C. Worth packing: rain gear and sun protection. About 13 days see rain.
Sea temperature near Numazu in May
The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 km away) is warmest in August at about 27°C and coldest in February near 15°C.
It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 15 | 17 | 19 | 22 | 24 | 27 | 26 | 23 | 21 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 15 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 18 | Cool |
UV index in Numazu in May
Clear-sky midday UV in May 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 Numazu peaks around July 19 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 | 9 | 10 | 10 | 10 | 9 | 6 | 4 | 2 |
| Level | Moderate | Moderate | Moderate | 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 | Moderate |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Numazu in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Numazu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 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) | 12 | 20 | 20 | 23 | 20 | 17 | 13 | 12 | 12 | 12 | 11 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 20 | Moderate |
| Mar | 20 | Moderate |
| Apr | 23 | Moderate |
| May | 20 | Moderate |
| Jun | 17 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Good |
| Sep | 12 | Good |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Numazu?
Numazu sits at 35.1°N, 138.9°E, 8 m above sea level, in Japan. The nearest listed city is Fushimi, 3.0 km away.
Topography around Numazu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Numazu.
Within 3 km, the terrain around Numazu has significant variations in elevation — a maximum elevation change of 251 m around an average of 18 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,439 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.
The land around Numazu is covered by artificial surfaces (67%) within 3 km, trees (54%) and water (24%) within 16 km, and trees (46%) and water (42%) 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 Numazu (35.1°, 138.8667°, elevation 8 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).