May Weather in Hella, Iceland

Last updated: August 23, 2025

In May, the average temperature in Hella, Iceland is a brisk 7°C (46°F). Temperatures can range from a chilly -2°C (29°F) at night to a mild 16°C (61°F) during the day. Expect a fair amount of precipitation, with 127 mm (5.0 in) forecasted over 19 days, and an average humidity of 83%, creating a truly refreshing atmosphere.

May Temperature in Hella

In May in Hella, the average temperature is 7°C (46°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -2°C (29°F). Be sure to pack accordingly, as the temperatures can vary significantly throughout the day.

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

The chart illustrates May temperature patterns in Hella, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hella, May typically has an average temperature of 7°C (46°F), with highs reaching up to 16°C (61°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Hella

In Hella in May, the total precipitation amount is 127 mm (5.0 in), occurring over a span of 19 days.

May Precipitation Trends in Hella

The chart displays monthly precipitation patterns in Hella, 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 Hella, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 19 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 Hella

In Hella in May humidity is 83%. With average temperature 7°C (46°F), this humidity feels like a damp chill that seeps into your clothes, making every outdoor excursion feel heavier and less invigorating, requiring a thicker jacket and a more cautious step as you navigate the slightly slippery terrain.

May Average Humidity in Hella

This chart illustrates the average monthly humidity levels in Hella, 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 Hella is approximately 83%, 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 Hella

In Hella 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 Hella.

Maximum UV Index Levels in Hella for May

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

Data source: Hella 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 Hella Compares to Other Months

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

This table compares monthly weather conditions in Hella, 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 (35°F)	147 mm (5.8 inches)	84%	low
February Weather	2°C (36°F)	169 mm (6.6 inches)	82%	low
March Weather	3°C (37°F)	133 mm (5.2 inches)	85%	low
April Weather	5°C (42°F)	133 mm (5.3 inches)	81%	moderate
May Weather	7°C (46°F)	127 mm (5.0 inches)	83%	moderate
June Weather	10°C (51°F)	95 mm (3.8 inches)	82%	high
July Weather	12°C (54°F)	91 mm (3.6 inches)	86%	high
August Weather	12°C (54°F)	98 mm (3.8 inches)	87%	moderate
September Weather	9°C (49°F)	196 mm (7.7 inches)	87%	moderate
October Weather	6°C (43°F)	118 mm (4.6 inches)	88%	low
November Weather	3°C (37°F)	140 mm (5.5 inches)	85%	low
December Weather	2°C (36°F)	147 mm (5.8 inches)	84%	low