5 to 27°C
temperature
2815 hours
sunshine per day
859 mm
rain
158 days
dry
189 days
rain
18 days
snow

Climate of Iwaki

Iwaki has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Iwaki is 16° degrees and there is about 860 mm of rain in a year. It is dry for 131 days a year with an average humidity of 78% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 5°C and 27°C
  • Night:the average nighttime temperature is between -1°C and 21°C
  • Rain: it rains 189 days and there is a total of approximately 859 mm rainfall
  • Snow: it snows an average of 18 days per year
  • Sun hours: throughout the year there are 2815 sun hours
Maximum temperature: between 5°C and 27°C
Warmest month: 27°C in August
Coldest month: 5°C in January
Night temperature: between -1°C and 21°C
Dry days: 158 days
Days with rain: 189 days
Days with snow: 18 days
Total rain sum: 859 mm
Hours of sunshine: 2815 hours

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Temperature graph

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

Precipitation graph

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

Climate table of Iwaki

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 5 6 9 14 19 22 26 27 24 19 13 8
Night temp. (°C) -1 -1 2 7 12 15 20 21 18 12 7 2
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 30 44 85 85 70 80 88 82 94 99 58 44
Days with rain 12 10 17 15 15 19 23 21 16 16 12 13
Days with snow 6 6 3 - - - - - - - - 3
Dry days 13 12 11 15 16 11 8 10 14 15 18 15
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 6 6 7 9 10 9 9 10 8 7 6 6
Wind force (Bft) 3 3 3 3 3 2 2 2 2 3 3 3
UV-index 2 2 2 4 5 5 6 6 5 4 3 2

Best time to visit Iwaki

The best time to visit Iwaki in Japan is from May through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Iwaki is 27°C in August and the lowest is 5°C in January.

Climate of Iwaki by month

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

Iwaki weather experiences

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