May Weather in Heby, Sweden

Last updated: August 27, 2025

In May, the average temperature in Heby, Sweden is a crisp 11°C (51°F), with minimums dropping to -6°C (21°F) and soaring to maximums of 29°C (84°F). Expect some rain, as 57 mm (2.3 in) of precipitation can be expected over 11 days. Additionally, the average humidity is 71%, adding to the refreshing atmosphere of this vibrant locale.

May Temperature in Heby

In May, in Heby, the average temperature is 11°C (51°F). Maximums can reach 29°C (84°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures when traveling to Heby this May.

May Weather in Heby: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Heby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heby, May typically has an average temperature of 11°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -6°C (21°F).

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

May Precipitation in Heby

In Heby in May, the total precipitation amount is 57 mm (2.3 in) over the course of 11 days.

May Precipitation Trends in Heby

The chart displays monthly precipitation patterns in Heby, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Heby, May typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Heby

In Heby in May, humidity is 71%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill enveloping you, making outdoor exploration uncomfortable and necessitating layering to stay warm and dry.

May Average Humidity in Heby

This chart illustrates the average monthly humidity levels in Heby, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Heby is approximately 71%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Heby

In Heby in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Heby.

Maximum UV Index Levels in Heby for May

The chart shows the monthly maximum UV Index (UVI) for Heby in May, 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 May, the maximum UV index in Heby typically reaches 5, which falls under the moderate exposure category.

Data source: Heby May 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 May Weather in Heby Compares to Other Months

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

This table compares monthly weather conditions in Heby, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	35 mm (1.4 inches)	91%	low
February Weather	-2°C (29°F)	31 mm (1.2 inches)	89%	low
March Weather	1°C (34°F)	38 mm (1.5 inches)	88%	moderate
April Weather	5°C (41°F)	31 mm (1.2 inches)	82%	moderate
May Weather	11°C (51°F)	57 mm (2.3 inches)	71%	moderate
June Weather	17°C (62°F)	67 mm (2.6 inches)	69%	high
July Weather	18°C (64°F)	67 mm (2.6 inches)	67%	high
August Weather	16°C (61°F)	77 mm (3.0 inches)	72%	moderate
September Weather	12°C (54°F)	56 mm (2.2 inches)	83%	moderate
October Weather	7°C (45°F)	77 mm (3.0 inches)	89%	low
November Weather	3°C (37°F)	47 mm (1.9 inches)	91%	low
December Weather	-1°C (31°F)	54 mm (2.1 inches)	90%	low