Best Time to Visit Iruma

Best time: May, Apr, Aug. Aug is warmest (29.7°C high); Sep is rainiest (209 mm).

Iruma weather by month

MonthHigh °CLow °CRain mmSun hrs
Jan8.7-2.3414.4
Feb9-1.5525.2
Mar121.8816.1
Apr187.71017.2
May22.312.31358
Jun24.416.71907
Jul2820.31667.4
Aug29.721.61987.7
Sep25.418.12095.7
Oct20.311.81664.8
Nov15.55.4714
Dec11-0.1443.8

Average high temperature

Jan 9°
Feb 9°
Mar 12°
Apr 18°
May 22°
Jun 24°
Jul 28°
Aug 30°
Sep 25°
Oct 20°
Nov 16°
Dec 11°

Best months by activity

Overall: MayAprAug

Beaches: Aug

Hiking: NovDecMay

Sightseeing: AprNovMay

Iruma quick facts

What to pack

Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.

Wet months (Apr, May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.

Frequently asked questions

When is the best time to visit Iruma?

May, Apr, Aug.

What is the rainiest month?

Sep, about 209 mm.

What is the warmest month?

Aug, with average highs of 29.7°C.

Where to stay

See Iruma hotels · Book Iruma tours & activities

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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals. Licensed under CC BY 4.0. Open-Meteo.