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April Weather in Hvolsvoellur, Iceland

Last updated: August 23, 2025

In April, the average temperature in Hvolsvoellur, Iceland hovers around 4°C (40°F). While you might experience chilly days with lows reaching -12°C (11°F), it can also warm up to a maximum of 13°C (56°F). Be prepared for some rain, as 132 mm (5.2 in) of precipitation is expected across 18 days, contributing to an average humidity of 81%.

April Temperature in Hvolsvoellur

In April in Hvolsvoellur, the average temperature is 4°C (40°F). Maximums can reach 13°C (56°F) and minimums can be as low as -12°C (11°F). It's essential to pack warm clothing and be prepared for varying weather conditions while traveling.

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

The chart illustrates April temperature patterns in Hvolsvoellur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hvolsvoellur, April typically has an average temperature of 4°C (40°F), with highs reaching up to 13°C (56°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec343435404450535248423634
Data source: Temperature data for Hvolsvoellur 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 Hvolsvoellur

In Hvolsvoellur in April, the precipitation amount is 132 mm (5.2 in) over the course of 18 days.

April Precipitation Trends in Hvolsvoellur

The chart displays monthly precipitation patterns in Hvolsvoellur, 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 Hvolsvoellur, April typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1531821381321269892100194123149154
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hvolsvoellur

In Hvolsvoellur in April humidity is 81%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that can make traveling quite uncomfortable, as the cold air clings uncomfortably to your skin and the moisture can quickly sap your body heat.

April Average Humidity in Hvolsvoellur

This chart illustrates the average monthly humidity levels in Hvolsvoellur, 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 Hvolsvoellur is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%85%81%83%82%86%87%87%88%85%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hvolsvoellur

In Hvolsvoellur 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 Hvolsvoellur, you can check the information here.

Maximum UV Index Levels in Hvolsvoellur for April

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

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

This table compares monthly weather conditions in Hvolsvoellur, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)153 mm (6.0 inches)84%low
February Weather1°C (35°F)182 mm (7.2 inches)82%low
March Weather2°C (36°F)138 mm (5.4 inches)85%low
April Weather4°C (40°F)132 mm (5.2 inches)81%moderate
May Weather7°C (45°F)126 mm (5.0 inches)83%moderate
June Weather10°C (50°F)98 mm (3.9 inches)82%high
July Weather12°C (53°F)92 mm (3.6 inches)86%high
August Weather11°C (53°F)100 mm (3.9 inches)87%moderate
September Weather9°C (48°F)194 mm (7.6 inches)87%moderate
October Weather5°C (42°F)123 mm (4.9 inches)88%low
November Weather2°C (36°F)149 mm (5.9 inches)85%low
December Weather1°C (34°F)154 mm (6.1 inches)84%low

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