Koya weather by month

Check out Koya weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Koya (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	6	7	10	17	21	23	27	29	25	20	15	9
Min temperature (night-time)	-1	-1	1	7	12	16	20	21	18	11	6	1
Heat & Humidity	0	0	0	0	0	0	L	M	0	0	0	0

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

Sunshine & UV index in Koya

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	5	5	6	6	5	5	6	5	5	5	5
Daily hours of daylight	10	11	12	13	14	14	14	13	12	11	10	10
UV Index (Maximum)	3	4	6	8	9	11	11	10	9	6	4	3

Rainfall in Koya

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	17	17	18	16	16	19	19	17	18	15	13	14
Average monthly rainfall (mm)	51	73	124	191	197	295	248	211	272	164	108	42

More about Koya

Koya by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Japan (Koya) 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.

What's the climate like in Koya?

Koya has a temperate climate with hot summers and some rainfall in all months.

Koya weather in January

Expect daytime maximum temperatures of 6°C in Koya, Japan in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 51 mm of rainfall in the month.

6
6°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
-1
-1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
51
51 mm of monthly rainfall
3
3 (Moderate) UV index

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Koya weather in February

Expect daytime maximum temperatures of 7°C in Koya, Japan in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 73 mm of rainfall in the month.

7
7°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
-1
-1°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
73
73 mm of monthly rainfall
4
4 (Moderate) UV index

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Koya weather in March

Expect daytime maximum temperatures of 10°C in Koya, Japan in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 124 mm of rainfall in the month.

10
10°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
1
1°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
124
124 mm of monthly rainfall
6
6 (High) UV index

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Koya weather in April

Expect daytime maximum temperatures of 17°C in Koya, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 191 mm of rainfall in the month.

17
17°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
7
7°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
191
191 mm of monthly rainfall
8
8 (Very High) UV index

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Koya weather in May

Expect daytime maximum temperatures of 21°C in Koya, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 197 mm of rainfall in the month.

21
21°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
197
197 mm of monthly rainfall
9
9 (Very High) UV index

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Koya weather in June

Expect daytime maximum temperatures of 23°C in Koya, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 295 mm of rainfall in the month.

23
23°C max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
16
16°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
295
295 mm of monthly rainfall
11
11 (Extreme) UV index

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Koya weather in July

Expect daytime maximum temperatures of 27°C in Koya, Japan in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 248 mm of rainfall in the month.

27
27°C max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
20
20°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
248
248 mm of monthly rainfall
11
11 (Extreme) UV index

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Koya weather in August

Expect daytime maximum temperatures of 29°C in Koya, Japan in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 211 mm of rainfall in the month.

29
29°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
21
21°C min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
211
211 mm of monthly rainfall
10
10 (Very High) UV index

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Koya weather in September

Expect daytime maximum temperatures of 25°C in Koya, Japan in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 272 mm of rainfall in the month.

25
25°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
272
272 mm of monthly rainfall
9
9 (Very High) UV index

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Koya weather in October

Expect daytime maximum temperatures of 20°C in Koya, Japan in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 164 mm of rainfall in the month.

20
20°C max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
11
11°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
164
164 mm of monthly rainfall
6
6 (High) UV index

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Koya weather in November

Expect daytime maximum temperatures of 15°C in Koya, Japan in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 108 mm of rainfall in the month.

15
15°C max day temperature
5
5 hours of sunshine per day
13
13 days with some rainfall
6
6°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
108
108 mm of monthly rainfall
4
4 (Moderate) UV index

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Koya weather in December

Expect daytime maximum temperatures of 9°C in Koya, Japan in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 42 mm of rainfall in the month.