9 to 29°C
temperature
2669 hours
sunshine per day
470 mm
rain
184 days
dry
172 days
rain
9 days
snow

Climate of Ōi

Ōi has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Ōi is 19° degrees and there is about 471 mm of rain in a year. It is dry for 147 days a year with an average humidity of 75% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 9°C and 29°C
  • Night:the average nighttime temperature is between 5°C and 25°C
  • Sea temperature: the sea temperature is between 15°C and 29°C
  • Rain: it rains 172 days and there is a total of approximately 470 mm rainfall
  • Snow: it snows an average of 9 days per year
  • Sun hours: throughout the year there are 2669 sun hours
Maximum temperature: between 9°C and 29°C
Warmest month: 29°C in August
Coldest month: 9°C in January
Night temperature: between 5°C and 25°C
Sea temperature: between 15°C and 29°C
Dry days: 184 days
Days with rain: 172 days
Days with snow: 9 days
Total rain sum: 470 mm
Hours of sunshine: 2669 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Ōi.

Precipitation graph

This graph shows the average amount of rainfall per month for Ōi.

Climate table of Ōi

In this climate table you can see at a glance what the average weather per month is for Ōi. 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 Ōi might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 9 10 13 17 21 23 27 29 26 21 16 11
Night temp. (°C) 5 6 8 12 16 19 24 25 22 17 13 7
Water temp. (°C) 17 15 16 17 19 21 29 28 26 23 20 17
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 25 24 30 38 25 47 78 58 49 25 35 36
Days with rain 14 13 14 13 9 15 20 18 15 11 13 17
Days with snow 5 2 - - - - - - - - - 2
Dry days 12 13 17 17 22 15 11 13 15 20 17 12
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 5 7 9 9 8 10 11 9 6 6 4
Wind force (Bft) 3 3 3 3 3 3 3 3 3 3 3 3
UV-index 2 3 3 4 6 6 7 6 6 4 4 2

Best time to visit Ōi

The best time to visit Ōi in Japan is from May through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Ōi is 29°C in August and the lowest is 9°C in January. The water temperature is 29°C at its highest and in other months it can be 15°C.

Climate of Ōi by month

What is the average climate in a given month for Ōi? 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.

Ōi weather experiences

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