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April Weather in Gardur, Iceland

Last updated: August 23, 2025

In April, the average temperature in Gardur, Iceland hovers around 5°C (41°F). Expect a minimum chill of -5°C (22°F) and occasional highs reaching up to 10°C (49°F). This month also brings 131 mm (5.2 in) of precipitation spread over 17 days, contributing to an average humidity of 80%. Stay prepared for a mix of cool weather and damp days!

April Temperature in Gardur

In April in Gardur, the average temperature is 5°C (41°F). Maximum temperatures can reach 10°C (49°F), while minimums can drop as low as -5°C (22°F). Be prepared for a mix of cool and potentially chilly days when traveling during this time.

April Weather in Gardur: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Gardur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gardur, April typically has an average temperature of 5°C (41°F), with highs reaching up to 10°C (49°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec363637404448515248443937
Data source: Temperature data for Gardur 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.

April Precipitation in Gardur

In Gardur in April, the total precipitation amount is 131 mm (5.2 in) over the course of 17 days.

April Precipitation Trends in Gardur

The chart displays monthly precipitation patterns in Gardur, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Gardur, April typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec120125116131111817791179125126124
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Gardur

In Gardur in April humidity is 80%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is, leading to the necessity of layering up to stay comfortable while traveling.

April Average Humidity in Gardur

This chart illustrates the average monthly humidity levels in Gardur, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Gardur is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%82%80%85%85%87%88%85%85%81%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Gardur

In Gardur in April, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Gardur, you can check the information here.

Maximum UV Index Levels in Gardur for April

The chart shows the monthly maximum UV Index (UVI) for Gardur in April, 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 April, the maximum UV index in Gardur typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Gardur April 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 April Weather in Gardur Compares to Other Months

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

This table compares monthly weather conditions in Gardur, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)120 mm (4.7 inches)80%low
February Weather2°C (36°F)125 mm (4.9 inches)77%low
March Weather3°C (37°F)116 mm (4.6 inches)82%low
April Weather5°C (41°F)131 mm (5.2 inches)80%moderate
May Weather6°C (44°F)111 mm (4.4 inches)85%moderate
June Weather9°C (48°F)81 mm (3.2 inches)85%high
July Weather10°C (51°F)77 mm (3.0 inches)87%high
August Weather11°C (52°F)91 mm (3.6 inches)88%moderate
September Weather9°C (49°F)178 mm (7.0 inches)85%moderate
October Weather7°C (44°F)125 mm (4.9 inches)85%low
November Weather4°C (40°F)126 mm (5.0 inches)81%low
December Weather3°C (38°F)124 mm (4.9 inches)80%low

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