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May Weather in Helland, Norway

Last updated: August 27, 2025

In May, the average temperature in Helland, Norway hovers around 10°C (51°F). Expect a range where the minimum dips to -2°C (29°F) and the maximum peaks at 26°C (79°F). Prepare for some rain, as 106 mm (4.2 in) of precipitation can be expected over approximately 11 days, along with an average humidity of 84%, creating a lush and vibrant atmosphere.

May Temperature in Helland

In May in Helland, the average temperature is 10°C (51°F), with a maximum that can reach 26°C (79°F) and a minimum that can drop as low as -2°C (29°F). Be sure to pack layers to comfortably enjoy both warm and chilly moments during your travels.

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

The chart illustrates May temperature patterns in Helland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helland, May typically has an average temperature of 10°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec333236425059615954463935
Data source: Temperature data for Helland generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Helland

In Helland in May, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

May Precipitation Trends in Helland

The chart displays monthly precipitation patterns in Helland, 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 Helland, May typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10813412347106119150172153207155181
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Helland

In Helland in May humidity is 84%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making even short distances feel burdensome and leaving you longing for a cozy indoor refuge while exploring the area.

May Average Humidity in Helland

This chart illustrates the average monthly humidity levels in Helland, 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 Helland is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%87%84%81%86%87%90%92%93%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Helland

In Helland in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Helland, you can refer to this Hourly UV Index in Helland.

Maximum UV Index Levels in Helland for May

The chart shows the monthly maximum UV Index (UVI) for Helland 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 Helland typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Helland 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 Helland Compares to Other Months

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

This table compares monthly weather conditions in Helland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)108 mm (4.3 inches)92%low
February Weather0°C (33°F)134 mm (5.3 inches)90%low
March Weather2°C (36°F)123 mm (4.9 inches)90%moderate
April Weather6°C (42°F)47 mm (1.8 inches)87%moderate
May Weather10°C (51°F)106 mm (4.2 inches)84%high
June Weather15°C (59°F)119 mm (4.7 inches)81%high
July Weather16°C (61°F)150 mm (5.9 inches)86%high
August Weather15°C (59°F)172 mm (6.8 inches)87%high
September Weather12°C (54°F)153 mm (6.0 inches)90%moderate
October Weather8°C (47°F)206 mm (8.1 inches)92%low
November Weather4°C (40°F)155 mm (6.1 inches)93%low
December Weather1°C (35°F)181 mm (7.1 inches)90%low

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