April Weather in Riihimaeki, Finland

Last updated: August 23, 2025

In April, the average temperature in Riihimaeki, Finland hovers around 4°C (39°F). Expect a minimum of -14°C (8°F) and a pleasant maximum of 21°C (70°F). During this time, precipitation averages 46 mm (1.8 in) spread across approximately 12 days, coupled with a high average humidity of 86%.

April Temperature in Riihimaeki

In April in Riihimaeki, the average temperature is 4°C (39°F), with maximums reaching up to 21°C (70°F) and minimums dropping as low as -14°C (8°F). Travelers should be prepared for a wide temperature range during this time.

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

The chart illustrates April temperature patterns in Riihimaeki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riihimaeki, April typically has an average temperature of 4°C (39°F), with highs reaching up to 21°C (70°F) and lows dropping to around -14°C (8°F).

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

April Precipitation in Riihimaeki

In Riihimaeki in April, the total precipitation amount is 46 mm (1.8 in) spread over the course of 12 days.

April Precipitation Trends in Riihimaeki

The chart displays monthly precipitation patterns in Riihimaeki, 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 Riihimaeki, April typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 12 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 Riihimaeki

In Riihimaeki in April humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.

April Average Humidity in Riihimaeki

This chart illustrates the average monthly humidity levels in Riihimaeki, 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 Riihimaeki 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 Riihimaeki

In Riihimaeki 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 Riihimaeki for better planning.

Maximum UV Index Levels in Riihimaeki for April

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

Data source: Riihimaeki 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 Riihimaeki Compares to Other Months

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

This table compares monthly weather conditions in Riihimaeki, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	51 mm (2.0 inches)	97%	low
February Weather	-4°C (24°F)	44 mm (1.7 inches)	95%	low
March Weather	-1°C (30°F)	46 mm (1.8 inches)	93%	moderate
April Weather	4°C (39°F)	46 mm (1.8 inches)	86%	moderate
May Weather	10°C (51°F)	58 mm (2.3 inches)	75%	moderate
June Weather	16°C (62°F)	65 mm (2.5 inches)	75%	high
July Weather	17°C (64°F)	82 mm (3.2 inches)	80%	high
August Weather	16°C (61°F)	77 mm (3.0 inches)	83%	moderate
September Weather	11°C (52°F)	66 mm (2.6 inches)	90%	moderate
October Weather	6°C (43°F)	77 mm (3.0 inches)	93%	low
November Weather	2°C (36°F)	53 mm (2.1 inches)	94%	low
December Weather	-2°C (29°F)	67 mm (2.6 inches)	95%	low