April Weather in Yli-Ii, Finland

Last updated: August 23, 2025

In April, the average temperature in Yli-Ii, Finland hovers around 1°C (34°F), with fluctuations that can see lows of -14°C (7°F) and highs of 14°C (57°F). Expect about 41 mm (1.6 in) of precipitation spread over 7 days, contributing to an average humidity level of 87%.

April Temperature in Yli-Ii

In April in Yli-Ii, the average temperature is 1°C (34°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -14°C (7°F). Be prepared for chilly weather and dress in layers to stay comfortable while exploring.

April Weather in Yli-Ii: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Yli-Ii, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yli-Ii, April typically has an average temperature of 1°C (34°F), with highs reaching up to 14°C (57°F) and lows dropping to around -14°C (7°F).

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

April Precipitation in Yli-Ii

In Yli-Ii in April, the precipitation amount is 41 mm (1.6 in) spread over a duration of 7 days.

April Precipitation Trends in Yli-Ii

The chart displays monthly precipitation patterns in Yli-Ii, 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 Yli-Ii, April typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Yli-Ii

In Yli-Ii in April humidity is 87%. With an average temperature of 1°C (34°F), this humidity feels like a chilling blanket enveloping you, making every step outside feel heavy and damp, and leaving you longing for warmth and comfort while traveling.

April Average Humidity in Yli-Ii

This chart illustrates the average monthly humidity levels in Yli-Ii, 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 Yli-Ii is approximately 87%, 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 Yli-Ii

In Yli-Ii in April, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Yli-Ii, you can check the information here.

Maximum UV Index Levels in Yli-Ii for April

The chart shows the monthly maximum UV Index (UVI) for Yli-Ii 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 Yli-Ii typically reaches 3, which falls under the moderate exposure category.

Data source: Yli-Ii 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 Yli-Ii Compares to Other Months

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

This table compares monthly weather conditions in Yli-Ii, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	45 mm (1.8 inches)	100%	low
February Weather	-9°C (17°F)	42 mm (1.7 inches)	98%	low
March Weather	-4°C (25°F)	46 mm (1.8 inches)	95%	low
April Weather	1°C (34°F)	41 mm (1.6 inches)	87%	moderate
May Weather	7°C (45°F)	51 mm (2.0 inches)	81%	moderate
June Weather	14°C (58°F)	66 mm (2.6 inches)	77%	high
July Weather	17°C (63°F)	77 mm (3.0 inches)	79%	high
August Weather	14°C (58°F)	95 mm (3.7 inches)	84%	moderate
September Weather	9°C (49°F)	76 mm (3.0 inches)	90%	moderate
October Weather	4°C (39°F)	86 mm (3.4 inches)	95%	low
November Weather	-1°C (30°F)	67 mm (2.6 inches)	95%	low
December Weather	-5°C (23°F)	63 mm (2.5 inches)	99%	low