10 to 29°C
temperature
2748 hours
sunshine per day
300 mm
rain
225 days
dry
138 days
rain
2 days
snow

Climate of Iwa

Iwa has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Iwa is 19° degrees and there is about 298 mm of rain in a year. It is dry for 181 days a year with an average humidity of 74% and an UV-index of 5.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 10°C and 29°C
  • Night:the average nighttime temperature is between 5°C and 25°C
  • Rain: it rains 138 days and there is a total of approximately 300 mm rainfall
  • Snow: it snows an average of 2 days per year
  • Sun hours: throughout the year there are 2748 sun hours
Maximum temperature: between 10°C and 29°C
Warmest month: 29°C in August
Coldest month: 10°C in January
Night temperature: between 5°C and 25°C
Dry days: 225 days
Days with rain: 138 days
Days with snow: 2 days
Total rain sum: 300 mm
Hours of sunshine: 2748 hours

Temperature graph

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

Precipitation graph

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

Climate table of Iwa

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 10 10 13 17 21 23 27 29 26 22 17 12
Night temp. (°C) 5 5 8 12 17 20 24 25 22 18 13 8
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 14 25 30 27 18 21 19 23 36 37 32 18
Days with rain 8 11 14 12 10 11 10 12 14 14 13 9
Days with snow 1 1 - - - - - - - - - -
Dry days 22 16 17 18 21 19 21 19 16 17 17 22
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 6 5 6 9 9 9 10 10 8 7 5 6
Wind force (Bft) 3 4 4 4 3 3 3 3 3 3 3 3
UV-index 3 3 4 5 6 6 7 6 6 5 4 3

Best time to visit Iwa

The best time to visit Iwa in Japan is from May through October. In this period you have a warm temperature and almost no precipitation. The highest average temperature in Iwa is 29°C in August and the lowest is 10°C in January.

Climate of Iwa by month

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

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