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May Weather in Sandnes, Norway

Last updated: August 27, 2025

In May, the average temperature in Sandnes, Norway hovers around 9°C (49°F). While you can expect a minimum of 2°C (35°F), temperatures can climb to a comfortable maximum of 25°C (77°F). However, be prepared for precipitation, with an average of 82 mm (3.2 in) falling over 13 days. You'll also experience a high average humidity of 84%, making it an interesting month to explore!

May Temperature in Sandnes

In May in Sandnes, the average temperature is 9°C (49°F). The maximum can reach 25°C (77°F), and the minimum can be as low as 2°C (35°F). This range of temperatures makes it advisable for travelers to layer their clothing and prepare for both warm and chilly conditions.

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

The chart illustrates May temperature patterns in Sandnes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandnes, May typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec393739434956585955504540
Data source: Temperature data for Sandnes 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 Sandnes

In Sandnes in May, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

May Precipitation Trends in Sandnes

The chart displays monthly precipitation patterns in Sandnes, 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 Sandnes, May typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1551571437582112125193227315228202
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sandnes

In Sandnes in May, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

May Average Humidity in Sandnes

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

In Sandnes 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 Sandnes, you can refer to this Hourly UV Index in Sandnes.

Maximum UV Index Levels in Sandnes for May

The chart shows the monthly maximum UV Index (UVI) for Sandnes 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 Sandnes typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113467754211
Data source: Sandnes 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 Sandnes Compares to Other Months

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

This table compares monthly weather conditions in Sandnes, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)155 mm (6.1 inches)92%low
February Weather3°C (37°F)157 mm (6.2 inches)90%low
March Weather4°C (39°F)143 mm (5.6 inches)90%moderate
April Weather6°C (43°F)75 mm (3.0 inches)87%moderate
May Weather9°C (49°F)82 mm (3.2 inches)84%high
June Weather13°C (56°F)112 mm (4.4 inches)81%high
July Weather15°C (58°F)124 mm (4.9 inches)86%high
August Weather15°C (60°F)193 mm (7.6 inches)87%moderate
September Weather13°C (56°F)227 mm (8.9 inches)90%moderate
October Weather10°C (50°F)314 mm (12.4 inches)92%low
November Weather7°C (45°F)228 mm (9.0 inches)93%low
December Weather5°C (41°F)202 mm (8.0 inches)90%low

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