Climate guideThirty-year normals for Numata, Gunma
Numata climate by month
Hot-summer humid continental · DfaBest May · Sep–Oct
Annual mean12°day and night
Seasonal swing24°warmest vs coolest
Precipitation1,331 mm204 wet days a year
36.63° N, 139.05° EElevation 376 mUTC+9 · Japan Standard Time
When to goNumata · weather score
Best timeMay · Sep–Oct
October: high / low18° / 11°
iSummary
What the weather is like
Numata has a hot-summer humid continental climate (Köppen Dfa): warm summers, cold winters and precipitation in every season.
The warmest month is August, when afternoons average 28° and nights 21°. January is the coolest month, with highs of 4° and lows of -4°. The difference between the warmest and the coolest month is about 24°, a large swing typical of continental interiors.
About 1,331 mm of precipitation falls in an average year. July is the wettest month (190 mm, 23 wet days) and April the driest (89 mm, 13 wet days). Cloud cover ranges from 33% in December to 54% in June.
Compared with Tokyo, the capital, Numata is 1.8° cooler on a August afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 28° · August
- Coldest nights
- -4° · January
- Wettest month
- July
- Driest month
- April
- Clearest skies
- December · 33% cloud
- Longest day
- 14 h 39 min
- Shortest day
- 9 h 41 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 4° | 5° | 9° | 15° | 20° | 23° | 26° | 28° | 24° | 18° | 13° | 7° |
| Average low | -4° | -4° | 0° | 5° | 11° | 16° | 19° | 21° | 17° | 11° | 5° | -1° |
| Precipitation | 46 mm | 48 mm | 77 mm | 89 mm | 108 mm | 146 mm | 190 mm | 196 mm | 204 mm | 122 mm | 63 mm | 42 mm |
| Wet days (≥1 mm) | 19 | 14.7 | 13 | 12.5 | 13.7 | 16 | 22.8 | 22.3 | 20.5 | 14.8 | 14.3 | 20.5 |
| Cloud cover | 38% | 40% | 41% | 40% | 46% | 54% | 50% | 41% | 45% | 38% | 34% | 33% |
| Daylight | 9h 55 | 10h 50 | 11h 54 | 13h 06 | 14h 06 | 14h 39 | 14h 26 | 13h 36 | 12h 28 | 11h 19 | 10h 15 | 9h 41 |
| Month score | 22 | 21 | 23 | 51 | 61 | 57 | 53 | 51 | 61 | 64 | 36 | 24 |
ivMonth by month
Numata in every month
January22
4° / -4°
46 mm · 19 wet days
February21
5° / -4°
48 mm · 14.7 wet days
March23
9° / 0°
77 mm · 13 wet days
April51
15° / 5°
89 mm · 12.5 wet days
May61
20° / 11°
108 mm · 13.7 wet days
June57
23° / 16°
146 mm · 16 wet days
July53
26° / 19°
190 mm · 22.8 wet days
August51
28° / 21°
196 mm · 22.3 wet days
September61
24° / 17°
204 mm · 20.5 wet days
October64
18° / 11°
122 mm · 14.8 wet days
November36
13° / 5°
63 mm · 14.3 wet days
December24
7° / -1°
42 mm · 20.5 wet days