Current Observations


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Iwanai - Next 4 Days weather forecast




    Iwanai - Average weather conditions


    Iwanai weather history chart based on the last 5 years of Iwanai weather history. If you are visiting Iwanai in near future, this Iwanai weather history chart will give you an idea of the expected weather and plan your trip accordingly.


    • Average Minimum Temperature (°C)
    • Average Maximum Temperature (°C)
    • Average Precipitation (cm)



    Best Time to Visit Iwanai


    Jan : Temperature in Iwanai is lowest during Jan. In Jan, temperature during day raise upto -1 C° and temperature during night goes down upto -6 C°. Jan is one of the snowy months in Iwanai. According to past year record, there is 13.52cm snow fall every year during Jan in Iwanai. So if you are planing to visit Iwanai during this month, snow boots and warm cloths are worth considering.

    Feb : Temperature in Iwanai is lowest during Feb. During Feb month, highest temperature is 0 C° and lowest temperature is -6 C°. Feb is one of the snowy months in Iwanai. According to past year record, there is 10.39cm snow fall every year during Feb in Iwanai. So if you are planing to visit Iwanai during this month, snow boots and warm cloths are worth considering.

    Mar : In Iwanai during Mar, day temperature raise upto 3 C° and night temperature goes down upto -3 C°. Mar is one of the snowy months in Iwanai. According to past year record, there is 8.19cm snow fall every year during Mar in Iwanai.

    Apr : In Apr, temperature during day raise upto 10 C° and temperature during night goes down upto 2 C°. Apr is one of the rainy months in Iwanai. According to past year record, there is 6.17cm rain fall every year during Apr in Iwanai.

    May : During May month, highest temperature is 16 C° and lowest temperature is 7 C°. May is one of the rainy months in Iwanai. According to past year record, there is 5.83cm rain fall every year during May in Iwanai.

    Jun : In Iwanai during Jun, day temperature raise upto 20 C° and night temperature goes down upto 12 C°. Weather is quite clear during Jun. According to past year record, there is 4.92cm rain fall every year during Jun in Iwanai.

    Jul : Jul is one of the hot months in Iwanai. In Jul, temperature during day raise upto 24 C° and temperature during night goes down upto 17 C°. Jul is one of the rainy months in Iwanai. According to past year record, there is 6.5cm rain fall every year during Jul in Iwanai.

    Aug : Temperature in Iwanai is at its peak during Aug. During Aug month, highest temperature is 26 C° and lowest temperature is 18 C°. Aug is one of the rainy months in Iwanai. According to past year record, there is 12.1cm rain fall every year during Aug in Iwanai. So if you are planing to visit Iwanai during Aug, umbrella is worth considering.

    Sep : In Iwanai during Sep, day temperature raise upto 22 C° and night temperature goes down upto 14 C°. Sep is one of the rainy months in Iwanai. According to past year record, there is 12.53cm rain fall every year during Sep in Iwanai. So if you are planing to visit Iwanai during Sep, umbrella is worth considering.

    Oct : In Oct, temperature during day raise upto 16 C° and temperature during night goes down upto 7 C°. Oct is one of the rainy months in Iwanai. According to past year record, there is 14.14cm rain fall every year during Oct in Iwanai. So if you are planing to visit Iwanai during Oct, umbrella is worth considering.

    Nov : During Nov month, highest temperature is 8 C° and lowest temperature is 1 C°. Nov is one of the rainy months in Iwanai. According to past year record, there is 14.03cm rain fall every year during Nov in Iwanai. So if you are planing to visit Iwanai during Nov, umbrella is worth considering.

    Dec : In Iwanai during Dec, day temperature raise upto 2 C° and night temperature goes down upto -4 C°. Dec is one of the snowy months in Iwanai. According to past year record, there is 13.49cm snow fall every year during Dec in Iwanai. So if you are planing to visit Iwanai during this month, snow boots and warm cloths are worth considering.