Annual mean 17°C · wettest around June · prevailing wind W
Warmest
31.5 °C
Coldest
8.1 °C
Wettest
34%
Windiest
4.1 m/s
Prevailing
W
3.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Unzen over the whole year is 17°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 5°C. The rainy (wet) season in Unzen runs from May to July, peaking in June with a 28% chance of rain on a given day. The dry season is October to April; December is the driest month, at 11%. Winds in Unzen are highest in February, averaging 3.5 m/s (13 km/h), and lightest in November, at 2.9 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Unzen come in November, when the sky is typically 61% covered; June is the cloudiest month, at 78%.
Month by month Unzen climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
9°C
5°C
5°C
12%
70%
3.4 m/s
2
0
37
February
10°C
5°C
5°C
15%
69%
3.5 m/s
4
0
41
March
14°C
8°C
10°C
18%
66%
3.4 m/s
24
0
69
April
18°C
13°C
16°C
18%
68%
3.5 m/s
63
3
79
May
22°C
17°C
21°C
20%
71%
3.2 m/s
80
22
57
June
25°C
21°C
27°C
28%
78%
3.1 m/s
53
52
19
July
29°C
25°C
32°C
24%
74%
3.4 m/s
14
38
3
August
31°C
26°C
34°C
19%
66%
3.3 m/s
9
28
2
September
27°C
23°C
29°C
20%
73%
3.3 m/s
32
52
11
October
23°C
17°C
22°C
13%
65%
3.3 m/s
73
26
56
November
17°C
11°C
15°C
12%
61%
2.9 m/s
54
2
80
December
10°C
6°C
7°C
11%
69%
3.3 m/s
7
0
49
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Unzen weather by season
Year round, Unzen has days of about 9°C at their warmest in January, its coolest month, and 31°C in August, its warmest; the coolest hours of the day run from 5°C to 26°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around June and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Unzen weather in winterDecember to February
High 10°CLow 5°CRain 13%
Winter in Unzen has typical daily highs of about 10°C and lows of about 5°C, with a 13% chance of rain on a given day.
Unzen weather in springMarch to May
High 18°CLow 13°CRain 19%
Spring in Unzen has typical daily highs of about 18°C and lows of about 13°C, with a 19% chance of rain on a given day.
Unzen weather in summerJune to August
High 28°CLow 24°CRain 23%
Summer in Unzen has typical daily highs of about 28°C and lows of about 24°C, with a 23% chance of rain on a given day.
Unzen weather in autumnSeptember to November
High 22°CLow 17°CRain 15%
Autumn in Unzen has typical daily highs of about 22°C and lows of about 17°C, with a 15% chance of rain on a given day.
When is the rainy season in Unzen?
The rainy (wet) season in Unzen runs from May to July, peaking in June with a 28% chance of rain on a given day. The dry season is October to April; December is the driest month, at 11%.
What time of year is Unzen windiest?
Winds in Unzen are highest in February, averaging 3.5 m/s (13 km/h), and lightest in November, at 2.9 m/s (10 km/h). The prevailing wind is from the W.
What is the average temperature in Unzen year round?
The average temperature in Unzen over the whole year is 17°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 5°C.