April Weather in Siikajoki, Finland

Last updated: August 23, 2025

In April, the average temperature in Siikajoki, Finland hovers around 0°C (33°F), with a range that dips as low as -12°C (11°F) and peaks at 15°C (59°F). Expect 37 mm (1.5 in) of precipitation spread over 6 days, contributing to an average humidity of 86%. Be prepared for a chilly, damp month!

April Temperature in Siikajoki

In April in Siikajoki, the average temperature is 0°C (33°F). Maximum temperatures can reach 15°C (59°F), while minimums can drop as low as -12°C (11°F). Travelers should be well-prepared for a range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates April temperature patterns in Siikajoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siikajoki, April typically has an average temperature of 0°C (33°F), with highs reaching up to 15°C (59°F) and lows dropping to around -12°C (11°F).

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

April Precipitation in Siikajoki

In Siikajoki in April, the precipitation amount is 37 mm (1.5 in) over the course of 6 days.

April Precipitation Trends in Siikajoki

The chart displays monthly precipitation patterns in Siikajoki, 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 Siikajoki, April typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 6 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 Siikajoki

In Siikajoki in April humidity is 86%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that permeates your clothes, making traveling uncomfortable and necessitating warm, layered clothing to stay dry and cozy.

April Average Humidity in Siikajoki

This chart illustrates the average monthly humidity levels in Siikajoki, 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 Siikajoki is approximately 86%, 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 Siikajoki

In Siikajoki in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Siikajoki for better planning.

Maximum UV Index Levels in Siikajoki for April

The chart shows the monthly maximum UV Index (UVI) for Siikajoki 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 Siikajoki typically reaches 4, which falls under the moderate exposure category.

Data source: Siikajoki 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 Siikajoki Compares to Other Months

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

This table compares monthly weather conditions in Siikajoki, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	37 mm (1.4 inches)	99%	low
February Weather	-7°C (19°F)	37 mm (1.4 inches)	97%	low
March Weather	-4°C (25°F)	37 mm (1.4 inches)	93%	moderate
April Weather	0°C (33°F)	37 mm (1.5 inches)	86%	moderate
May Weather	7°C (44°F)	54 mm (2.1 inches)	80%	moderate
June Weather	13°C (57°F)	51 mm (2.0 inches)	76%	high
July Weather	17°C (62°F)	68 mm (2.7 inches)	79%	high
August Weather	15°C (59°F)	91 mm (3.6 inches)	83%	moderate
September Weather	10°C (51°F)	76 mm (3.0 inches)	89%	moderate
October Weather	5°C (41°F)	87 mm (3.4 inches)	94%	low
November Weather	1°C (33°F)	62 mm (2.4 inches)	94%	low
December Weather	-3°C (27°F)	52 mm (2.1 inches)	98%	low