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May Weather in Ulefoss, Norway

Last updated: August 27, 2025

In May, the average temperature in Ulefoss, Norway is a mild 10°C (51°F). Be prepared for a range of temperatures, as it can dip to a low of -7°C (20°F) and soar up to 27°C (81°F). Expect around 87 mm (3.4 in) of precipitation spread over 12 days, with humidity levels averaging 75%, making for a refreshing yet occasionally damp atmosphere.

May Temperature in Ulefoss

In May in Ulefoss, the average temperature is 10°C (51°F). Maximum temperatures can reach 27°C (81°F), and minimums can drop as low as -7°C (20°F). Be prepared for a wide range of weather conditions if you plan to visit during this time.

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

The chart illustrates May temperature patterns in Ulefoss, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulefoss, May typically has an average temperature of 10°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec282933415060625953453730
Data source: Temperature data for Ulefoss 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 Ulefoss

In Ulefoss in May, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

May Precipitation Trends in Ulefoss

The chart displays monthly precipitation patterns in Ulefoss, 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 Ulefoss, May typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec76808241879710796130141121140
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ulefoss

In Ulefoss in May humidity is 75%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket wrapping around you, making every step outside feel laborious and damp, perfect for cozy indoor exploration but challenging for outdoor adventures.

May Average Humidity in Ulefoss

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

In Ulefoss 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 Ulefoss.

Maximum UV Index Levels in Ulefoss for May

The chart shows the monthly maximum UV Index (UVI) for Ulefoss 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 Ulefoss typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Ulefoss 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 Ulefoss Compares to Other Months

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

This table compares monthly weather conditions in Ulefoss, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)76 mm (3.0 inches)93%low
February Weather-2°C (29°F)80 mm (3.1 inches)91%low
March Weather1°C (33°F)82 mm (3.2 inches)88%moderate
April Weather5°C (41°F)41 mm (1.6 inches)83%moderate
May Weather10°C (51°F)87 mm (3.4 inches)75%moderate
June Weather15°C (60°F)97 mm (3.8 inches)74%high
July Weather17°C (63°F)107 mm (4.2 inches)74%high
August Weather15°C (60°F)96 mm (3.8 inches)78%moderate
September Weather12°C (54°F)130 mm (5.1 inches)86%moderate
October Weather7°C (45°F)141 mm (5.5 inches)92%low
November Weather3°C (37°F)121 mm (4.8 inches)92%low
December Weather-1°C (30°F)140 mm (5.5 inches)92%low

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