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 (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	43	45	50	63	70	73	81	84	77	68	59	48
Min temperature (night-time)	30	30	34	45	54	61	68	70	64	52	43	34
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 (inches)	2.0	2.9	4.9	7.5	7.8	11.6	9.8	8.3	10.7	6.5	4.3	1.7

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 43°F 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 2.0 inches of rainfall in the month.

43
43°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
30
30°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.0
2.0 inches of monthly rainfall
3
3 (Moderate) UV index

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Koya weather in February

Expect daytime maximum temperatures of 45°F 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 2.9 inches of rainfall in the month.

45
45°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
30
30°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
4
4 (Moderate) UV index

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Koya weather in March

Expect daytime maximum temperatures of 50°F 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 4.9 inches of rainfall in the month.

50
50°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
34
34°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.9
4.9 inches of monthly rainfall
6
6 (High) UV index

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Koya weather in April

Expect daytime maximum temperatures of 63°F 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 7.5 inches of rainfall in the month.

63
63°F max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
45
45°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
7.5
7.5 inches of monthly rainfall
8
8 (Very High) UV index

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Koya weather in May

Expect daytime maximum temperatures of 70°F 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 7.8 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
54
54°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
7.8
7.8 inches of monthly rainfall
9
9 (Very High) UV index

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Koya weather in June

Expect daytime maximum temperatures of 73°F 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 11.6 inches of rainfall in the month.

73
73°F max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
61
61°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
11.6
11.6 inches of monthly rainfall
11
11 (Extreme) UV index

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Koya weather in July

Expect daytime maximum temperatures of 81°F 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 9.8 inches of rainfall in the month.

81
81°F max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
68
68°F min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
9.8
9.8 inches of monthly rainfall
11
11 (Extreme) UV index

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Koya weather in August

Expect daytime maximum temperatures of 84°F 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 8.3 inches of rainfall in the month.

84
84°F max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
70
70°F min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
8.3
8.3 inches of monthly rainfall
10
10 (Very High) UV index

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Koya weather in September

Expect daytime maximum temperatures of 77°F 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 10.7 inches of rainfall in the month.

77
77°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
64
64°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
10.7
10.7 inches of monthly rainfall
9
9 (Very High) UV index

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Koya weather in October

Expect daytime maximum temperatures of 68°F 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 6.5 inches of rainfall in the month.

68
68°F max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
52
52°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
6.5
6.5 inches of monthly rainfall
6
6 (High) UV index

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Koya weather in November

Expect daytime maximum temperatures of 59°F 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 4.3 inches of rainfall in the month.

59
59°F max day temperature
5
5 hours of sunshine per day
13
13 days with some rainfall
43
43°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
4.3
4.3 inches of monthly rainfall
4
4 (Moderate) UV index

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Koya weather in December

Expect daytime maximum temperatures of 48°F 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 1.7 inches of rainfall in the month.