April Weather in Iki, Japan

Last updated: August 23, 2025

In Iki, Japan, the average temperature in April is a pleasant 15°C (59°F). Expect minimums of 8°C (47°F) and maximums reaching 21°C (69°F), making it a comfortable time to explore. However, be prepared for around 117 mm (4.6 in) of precipitation over 9 days, with an average humidity of 79%. Enjoy the cozy ambiance this season brings!

April Temperature in Iki

In April in Iki, the average temperature is 15°C (59°F), with maximums reaching 21°C (69°F) and minimums dropping as low as 8°C (47°F). This pleasant climate makes Iki an ideal destination for travelers looking to enjoy mild weather.

April Weather in Iki: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Iki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iki, April typically has an average temperature of 15°C (59°F), with highs reaching up to 21°C (69°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Iki generated using information from the Copernicus Climate Change Service.

April Precipitation in Iki

In Iki in April, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

April Precipitation Trends in Iki

The chart displays monthly precipitation patterns in Iki, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Iki, April typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Iki

In Iki in April humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

April Average Humidity in Iki

This chart illustrates the average monthly humidity levels in Iki, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Iki is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Iki

In Iki in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Iki.

Maximum UV Index Levels in Iki for April

The chart shows the monthly maximum UV Index (UVI) for Iki in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Iki typically reaches 10, which falls under the very high exposure category.

Data source: Iki April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Iki Compares to Other Months

Weather in Iki varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Iki, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Iki, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	76 mm (3.0 inches)	73%	moderate
February Weather	9°C (49°F)	75 mm (3.0 inches)	69%	high
March Weather	12°C (54°F)	141 mm (5.5 inches)	71%	very high
April Weather	15°C (59°F)	117 mm (4.6 inches)	79%	very high
May Weather	18°C (65°F)	137 mm (5.4 inches)	87%	extreme
June Weather	21°C (71°F)	181 mm (7.1 inches)	91%	extreme
July Weather	25°C (78°F)	312 mm (12.3 inches)	97%	extreme
August Weather	27°C (82°F)	260 mm (10.2 inches)	94%	extreme
September Weather	25°C (77°F)	235 mm (9.2 inches)	84%	extreme
October Weather	21°C (70°F)	108 mm (4.2 inches)	79%	high
November Weather	16°C (62°F)	50 mm (2.0 inches)	75%	high
December Weather	11°C (52°F)	84 mm (3.3 inches)	72%	moderate