Annual mean 13°C · wettest around July · prevailing wind SE
Warmest
29.1 °C
Coldest
4.5 °C
Wettest
32%
Windiest
4.0 m/s
Prevailing
SE
3.3 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 Nikkō over the whole year is 13°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C. The rainy (wet) season in Nikkō runs from April to October, peaking in July with a 25% chance of rain on a given day. The dry season is November to March; December is the driest month, at 6%. Winds in Nikkō are highest in February, averaging 3.3 m/s (12 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the SE. The clearest skies in Nikkō come in January, when the sky is typically 45% covered; September is the cloudiest month, at 79%.
Month by month Nikkō 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
5°C
-2°C
-0°C
8%
45%
3.1 m/s
0
0
14
February
6°C
-1°C
1°C
9%
52%
3.3 m/s
1
0
18
March
10°C
3°C
6°C
15%
59%
3.2 m/s
9
0
44
April
15°C
8°C
12°C
18%
66%
3.2 m/s
34
2
68
May
20°C
13°C
18°C
19%
69%
2.9 m/s
66
11
68
June
23°C
18°C
23°C
23%
74%
2.6 m/s
63
34
41
July
27°C
22°C
29°C
25%
77%
2.4 m/s
34
42
15
August
28°C
23°C
31°C
24%
76%
2.5 m/s
27
40
10
September
24°C
19°C
25°C
24%
79%
2.4 m/s
54
39
33
October
18°C
13°C
17°C
19%
70%
2.5 m/s
58
10
69
November
13°C
7°C
10°C
9%
56%
2.6 m/s
26
0
68
December
7°C
1°C
3°C
6%
47%
2.9 m/s
1
0
30
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 Nikkō weather by season
Year round, Nikkō has days of about 5°C at their warmest in January, its coolest month, and 28°C in August, its warmest; the coolest hours of the day run from -2°C to 23°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around July 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.
Nikkō weather in winterDecember to February
High 6°CLow -0°CRain 7%
Winter in Nikkō has typical daily highs of about 6°C and lows of about -0°C, with a 7% chance of rain on a given day.
Nikkō weather in springMarch to May
High 15°CLow 8°CRain 17%
Spring in Nikkō has typical daily highs of about 15°C and lows of about 8°C, with a 17% chance of rain on a given day.
Nikkō weather in summerJune to August
High 26°CLow 21°CRain 24%
Summer in Nikkō has typical daily highs of about 26°C and lows of about 21°C, with a 24% chance of rain on a given day.
Nikkō weather in autumnSeptember to November
High 18°CLow 13°CRain 18%
Autumn in Nikkō has typical daily highs of about 18°C and lows of about 13°C, with a 18% chance of rain on a given day.
When is the rainy season in Nikkō?
The rainy (wet) season in Nikkō runs from April to October, peaking in July with a 25% chance of rain on a given day. The dry season is November to March; December is the driest month, at 6%.
What time of year is Nikkō windiest?
Winds in Nikkō are highest in February, averaging 3.3 m/s (12 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the SE.
What is the average temperature in Nikkō year round?
The average temperature in Nikkō over the whole year is 13°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C.