Climate of Koshima
Koshima has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Koshima is 22° degrees and there is about 1199 mm of rain in a year. It is dry for 119 days a year with an average humidity of 75% and an UV-index of 6.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 15°C and 29°C
- Night:the average nighttime temperature is between 13°C and 28°C
- Sea temperature: the sea temperature is between 21°C and 30°C
- Rain: it rains 214 days and there is a total of approximately 1199 mm rainfall
- Sun hours: throughout the year there are 2552 sun hours
Maximum temperature: | between 15°C and 29°C |
Warmest month: | 29°C in August |
Coldest month: | 15°C in January |
Night temperature: | between 13°C and 28°C |
Sea temperature: | between 21°C and 30°C |
Dry days: | 151 days |
Days with rain: | 214 days |
Days with snow: | 0 days |
Total rain sum: | 1199 mm |
Hours of sunshine: | 2552 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Koshima.
Precipitation graph
This graph shows the average amount of rainfall per month for Koshima.
Climate table of Koshima
In this climate table you can see at a glance what the average weather per month is for Koshima. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Koshima might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 15 | 16 | 17 | 20 | 23 | 25 | 28 | 29 | 28 | 25 | 21 | 17 |
Night temp. (°C) | 13 | 13 | 15 | 18 | 21 | 24 | 27 | 28 | 27 | 24 | 19 | 15 |
Water temp. (°C) | 23 | 21 | 21 | 23 | 25 | 26 | 30 | 30 | 29 | 28 | 25 | 23 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 60 | 86 | 93 | 92 | 77 | 219 | 105 | 76 | 106 | 113 | 86 | 86 |
Days with rain | 19 | 18 | 18 | 16 | 13 | 21 | 17 | 17 | 19 | 17 | 18 | 21 |
Dry days | 12 | 10 | 13 | 14 | 18 | 9 | 14 | 14 | 11 | 14 | 12 | 10 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 5 | 6 | 8 | 9 | 8 | 10 | 11 | 9 | 5 | 5 | 4 |
Wind force (Bft) | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 |
UV-index | 4 | 4 | 4 | 5 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 4 |
Best time to visit Koshima
The best time to visit Koshima in Japan is from April and May, August and November. In this period you have a warm temperature and little precipitation. The highest average temperature in Koshima is 29°C in August and the lowest is 15°C in January. The average water temperature is between 21°C and 30°C.
Climate of Koshima by month
What is the average climate in a given month for Koshima? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Koshima weather experiences
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