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May Weather in Gjerstad, Norway

Last updated: August 27, 2025

In May, the average temperature in Gjerstad, Norway hovers around 11°C (51°F). Expect a wide temperature range, with minimums dipping to -5°C (24°F) and maximums soaring to 27°C (81°F). The region experiences 98 mm (3.8 in) of precipitation spread across 12 days, contributing to an average humidity level of 75%. Whether you're planning outdoor activities or cozy indoor time, be prepared for a mix of weather!

May Temperature in Gjerstad

In May in Gjerstad, the average temperature is 11°C (51°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as -5°C (24°F). This varied climate makes it essential for travelers to pack layers to stay comfortable in changing weather conditions.

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

The chart illustrates May temperature patterns in Gjerstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gjerstad, May typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec303034415160636054463832
Data source: Temperature data for Gjerstad 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 Gjerstad

In Gjerstad in May, the precipitation amount is 98 mm (3.8 in) spread over 12 days.

May Precipitation Trends in Gjerstad

The chart displays monthly precipitation patterns in Gjerstad, 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 Gjerstad, May typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8391914398108120103152162135169
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gjerstad

In Gjerstad in May, humidity is 75%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring you to dress in layers to stay comfortable during your travels.

May Average Humidity in Gjerstad

This chart illustrates the average monthly humidity levels in Gjerstad, 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 Gjerstad is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gjerstad

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

Maximum UV Index Levels in Gjerstad for May

The chart shows the monthly maximum UV Index (UVI) for Gjerstad 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 Gjerstad typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467754211
Data source: Gjerstad 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 Gjerstad Compares to Other Months

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

This table compares monthly weather conditions in Gjerstad, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)83 mm (3.3 inches)93%low
February Weather-1°C (30°F)91 mm (3.6 inches)91%low
March Weather1°C (34°F)91 mm (3.6 inches)88%moderate
April Weather5°C (42°F)43 mm (1.7 inches)83%moderate
May Weather11°C (51°F)98 mm (3.8 inches)75%high
June Weather16°C (61°F)108 mm (4.3 inches)74%high
July Weather17°C (63°F)120 mm (4.7 inches)74%high
August Weather16°C (60°F)103 mm (4.1 inches)78%moderate
September Weather12°C (54°F)152 mm (6.0 inches)86%moderate
October Weather8°C (46°F)162 mm (6.4 inches)92%low
November Weather3°C (38°F)135 mm (5.3 inches)92%low
December Weather0°C (32°F)169 mm (6.7 inches)92%low

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