Koya climate guide

Temperature in Koya (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
6°C maximum daytime temperature in January in Koya6
7°C maximum daytime temperature in February in Koya7
10°C maximum daytime temperature in March in Koya10
17°C maximum daytime temperature in April in Koya17
21°C maximum daytime temperature in May in Koya21
23°C maximum daytime temperature in June in Koya23
27°C maximum daytime temperature in July in Koya27
29°C maximum daytime temperature in August in Koya29
25°C maximum daytime temperature in September in Koya25
20°C maximum daytime temperature in October in Koya20
15°C maximum daytime temperature in November in Koya15
9°C maximum daytime temperature in December in Koya9
Min temperature (night-time)
-1°C minimum night-time temperature in January in Koya-1
-1°C minimum night-time temperature in February in Koya-1
1°C minimum night-time temperature in March in Koya1
7°C minimum night-time temperature in April in Koya7
12°C minimum night-time temperature in May in Koya12
16°C minimum night-time temperature in June in Koya16
20°C minimum night-time temperature in July in Koya20
21°C minimum night-time temperature in August in Koya21
18°C minimum night-time temperature in September in Koya18
11°C minimum night-time temperature in October in Koya11
6°C minimum night-time temperature in November in Koya6
1°C minimum night-time temperature in December in Koya1

Sunshine & Daylight in Koya

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Koya10
11 hours of daylight per day in February in Koya11
12 hours of daylight per day in March in Koya12
13 hours of daylight per day in April in Koya13
14 hours of daylight per day in May in Koya14
14 hours of daylight per day in June in Koya14
14 hours of daylight per day in July in Koya14
13 hours of daylight per day in August in Koya13
12 hours of daylight per day in September in Koya12
11 hours of daylight per day in October in Koya11
10 hours of daylight per day in November in Koya10
10 hours of daylight per day in December in Koya10

Rainfall in Koya

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Koya17
17 days with some rainfall in February in Koya17
18 days with some rainfall in March in Koya18
16 days with some rainfall in April in Koya16
16 days with some rainfall in May in Koya16
19 days with some rainfall in June in Koya19
19 days with some rainfall in July in Koya19
17 days with some rainfall in August in Koya17
18 days with some rainfall in September in Koya18
15 days with some rainfall in October in Koya15
13 days with some rainfall in November in Koya13
14 days with some rainfall in December in Koya14
Average monthly rainfall (mm)
51 mm monthly rainfall in January in Koya51
73 mm monthly rainfall in February in Koya73
124 mm monthly rainfall in March in Koya124
191 mm monthly rainfall in April in Koya191
197 mm monthly rainfall in May in Koya197
295 mm monthly rainfall in June in Koya295
248 mm monthly rainfall in July in Koya248
211 mm monthly rainfall in August in Koya211
272 mm monthly rainfall in September in Koya272
164 mm monthly rainfall in October in Koya164
108 mm monthly rainfall in November in Koya108
42 mm monthly rainfall in December in Koya42

More climate for Koya

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Koya3
UV (maximum) index 4 (Moderate) in February in Koya4
UV (maximum) index 6 (High) in March in Koya6
UV (maximum) index 8 (Very High) in April in Koya8
UV (maximum) index 9 (Very High) in May in Koya9
UV (maximum) index 11 (Extreme) in June in Koya11
UV (maximum) index 11 (Extreme) in July in Koya11
UV (maximum) index 10 (Very High) in August in Koya10
UV (maximum) index 9 (Very High) in September in Koya9
UV (maximum) index 6 (High) in October in Koya6
UV (maximum) index 4 (Moderate) in November in Koya4
UV (maximum) index 3 (Moderate) in December in Koya3
Heat & Humidity
No heat & humidity in January in Koya0
No heat & humidity in February in Koya0
No heat & humidity in March in Koya0
No heat & humidity in April in Koya0
No heat & humidity in May in Koya0
No heat & humidity in June in Koya0
Low heat & humidity in July in KoyaL
Moderate heat & humidity in August in KoyaM
No heat & humidity in September in Koya0
No heat & humidity in October in Koya0
No heat & humidity in November in Koya0
No heat & humidity in December in Koya0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for Koya, Japan shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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