April Weather in Arno, Sweden

Last updated: August 27, 2025

In Arno, Sweden, the average temperature in April hovers around 4°C (40°F), offering a cool yet refreshing climate. You might experience a range from a brisk -11°C (13°F) at the lowest to a pleasant 21°C (69°F) at its peak. Expect 29 mm (1.2 in) of precipitation spread over approximately 7 days, along with an average humidity level of 85% that adds a touch of moisture to the air.

April Temperature in Arno

In April in Arno, the average temperature is 4°C (40°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -11°C (13°F). It's a time to pack layers and be prepared for unpredictable weather while exploring the region.

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

The chart illustrates April temperature patterns in Arno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arno, April typically has an average temperature of 4°C (40°F), with highs reaching up to 21°C (69°F) and lows dropping to around -11°C (13°F).

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

April Precipitation in Arno

In Arno in April, the precipitation amount is 29 mm (1.2 in) over the course of 7 days.

April Precipitation Trends in Arno

The chart displays monthly precipitation patterns in Arno, 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 Arno, April typically receives around 29 mm (1.2 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 Arno

In Arno in April, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.

April Average Humidity in Arno

This chart illustrates the average monthly humidity levels in Arno, 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 Arno is approximately 85%, 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 Arno

In Arno 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 Arno for better planning.

Maximum UV Index Levels in Arno for April

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

Data source: Arno 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 Arno Compares to Other Months

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

This table compares monthly weather conditions in Arno, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	38 mm (1.5 inches)	90%	low
February Weather	-1°C (31°F)	34 mm (1.3 inches)	88%	low
March Weather	1°C (35°F)	38 mm (1.5 inches)	89%	moderate
April Weather	4°C (40°F)	29 mm (1.2 inches)	85%	moderate
May Weather	9°C (49°F)	51 mm (2.0 inches)	77%	moderate
June Weather	15°C (60°F)	39 mm (1.6 inches)	76%	high
July Weather	17°C (63°F)	61 mm (2.4 inches)	74%	high
August Weather	17°C (63°F)	61 mm (2.4 inches)	77%	moderate
September Weather	13°C (55°F)	48 mm (1.9 inches)	85%	moderate
October Weather	8°C (47°F)	75 mm (2.9 inches)	89%	low
November Weather	4°C (40°F)	43 mm (1.7 inches)	90%	low
December Weather	1°C (34°F)	62 mm (2.4 inches)	87%	low