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January Weather in Grenaa, Denmark

Last updated: August 23, 2025

In January, the average temperature in Grenaa, Denmark hovers around 4°C (39°F). Expect chilly days as the temperature can dip to a brisk -3°C (26°F), with a maximum of 10°C (50°F). Be prepared for some rain, with 58 mm (2.3 in) of precipitation over approximately 12 days. With an average humidity of 92%, the air can feel quite damp, making cozy layers a must during this time!

January Temperature in Grenaa

In January in Grenaa, the average temperature is 4°C (39°F), with maximums reaching up to 10°C (50°F) and minimums plummeting as low as -3°C (26°F). It's advisable to pack warm clothing and prepare for chilly weather during your travels.

January Weather in Grenaa: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Grenaa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grenaa, January typically has an average temperature of 4°C (39°F), with highs reaching up to 10°C (50°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec393739445261636459534741
Data source: Temperature data for Grenaa 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.

January Precipitation in Grenaa

In Grenaa in January, the precipitation amount is 58 mm (2.3 in) spread over 12 days.

January Precipitation Trends in Grenaa

The chart displays monthly precipitation patterns in Grenaa, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Grenaa, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5854543461506384881046778
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Grenaa

In Grenaa in January humidity is 92%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel feel burdensome as you navigate through the thick, muggy air.

January Average Humidity in Grenaa

This chart illustrates the average monthly humidity levels in Grenaa, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Grenaa is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%84%75%74%73%77%86%91%92%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grenaa

In Grenaa in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Grenaa.

Maximum UV Index Levels in Grenaa for January

The chart shows the monthly maximum UV Index (UVI) for Grenaa in January, 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 January, the maximum UV index in Grenaa typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Grenaa January 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 January Weather in Grenaa Compares to Other Months

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

This table compares monthly weather conditions in Grenaa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)58 mm (2.3 inches)92%low
February Weather3°C (38°F)54 mm (2.1 inches)91%low
March Weather4°C (39°F)54 mm (2.1 inches)89%moderate
April Weather7°C (44°F)34 mm (1.3 inches)84%moderate
May Weather11°C (52°F)60 mm (2.4 inches)75%high
June Weather16°C (61°F)50 mm (2.0 inches)73%high
July Weather17°C (64°F)63 mm (2.5 inches)73%high
August Weather18°C (64°F)84 mm (3.3 inches)77%high
September Weather15°C (60°F)88 mm (3.5 inches)85%moderate
October Weather12°C (54°F)104 mm (4.1 inches)91%moderate
November Weather8°C (47°F)67 mm (2.6 inches)92%low
December Weather5°C (41°F)78 mm (3.1 inches)91%low

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