May Weather in Tonstad, Norway

Last updated: August 27, 2025

In May, the average temperature in Tonstad, Norway hovers around 7°C (45°F). Expect to experience a chilly minimum of -5°C (23°F), while the weather can warm up to a comfortable maximum of 23°C (75°F). With 111 mm (4.4 in) of precipitation spread over 14 days, you may want to keep an umbrella handy. The atmosphere is quite humid, with an average humidity level of 84%, making it a month to dress in layers and prepare for varied conditions.

May Temperature in Tonstad

In May in Tonstad, the average temperature is 7°C (45°F). Maximums can reach 23°C (75°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to relatively warm days.

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

The chart illustrates May temperature patterns in Tonstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonstad, May typically has an average temperature of 7°C (45°F), with highs reaching up to 23°C (75°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec282730364553565449423530
Data source: Temperature data for Tonstad 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 Tonstad

In Tonstad in May, the precipitation amount is 111 mm (4.4 in) during 14 days, indicating a significant amount of rainfall for that period.

May Precipitation Trends in Tonstad

The chart displays monthly precipitation patterns in Tonstad, 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 Tonstad, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec17420018384112142149188204262201219
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tonstad

In Tonstad in May, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

May Average Humidity in Tonstad

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

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

Maximum UV Index Levels in Tonstad for May

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

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

This table compares monthly weather conditions in Tonstad, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)174 mm (6.8 inches)92%low
February Weather-3°C (27°F)200 mm (7.9 inches)90%low
March Weather-1°C (30°F)183 mm (7.2 inches)90%moderate
April Weather2°C (36°F)84 mm (3.3 inches)87%moderate
May Weather7°C (45°F)111 mm (4.4 inches)84%high
June Weather12°C (54°F)142 mm (5.6 inches)81%high
July Weather13°C (56°F)149 mm (5.9 inches)86%high
August Weather12°C (54°F)188 mm (7.4 inches)87%high
September Weather9°C (49°F)204 mm (8.0 inches)90%moderate
October Weather5°C (42°F)262 mm (10.3 inches)92%low
November Weather2°C (35°F)200 mm (7.9 inches)93%low
December Weather-1°C (31°F)219 mm (8.6 inches)90%low

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