nomadseason

April Weather in Seltjarnarnes, Iceland

Last updated: August 23, 2025

In April, the average temperature in Seltjarnarnes, Iceland hovers around 4°C (40°F), with a minimum dropping to -8°C (17°F) and a maximum reaching 14°C (57°F). Expect a precipitation amount of 121 mm (4.8 in) over approximately 18 days, contributing to an average humidity of 87%. Prepare for a chilly and damp month!

April Temperature in Seltjarnarnes

In April in Seltjarnarnes, the average temperature is 4°C (40°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -8°C (17°F). Be sure to pack warm clothing if you plan to travel during this time.

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

The chart illustrates April temperature patterns in Seltjarnarnes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seltjarnarnes, April typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (57°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec323234394449525247413533
Data source: Temperature data for Seltjarnarnes generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Seltjarnarnes

In Seltjarnarnes in April, the precipitation amount is 121 mm (4.8 in) distributed over 18 days.

April Precipitation Trends in Seltjarnarnes

The chart displays monthly precipitation patterns in Seltjarnarnes, 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 Seltjarnarnes, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec11412510312111392758316496105106
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Seltjarnarnes

In Seltjarnarnes in April humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

April Average Humidity in Seltjarnarnes

This chart illustrates the average monthly humidity levels in Seltjarnarnes, 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 Seltjarnarnes is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%94%87%85%81%86%88%92%93%94%95%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Seltjarnarnes

In Seltjarnarnes 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 Seltjarnarnes, you can check the information here.

Maximum UV Index Levels in Seltjarnarnes for April

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

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

This table compares monthly weather conditions in Seltjarnarnes, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)113 mm (4.5 inches)96%low
February Weather0°C (33°F)125 mm (4.9 inches)95%low
March Weather1°C (34°F)103 mm (4.1 inches)94%low
April Weather4°C (40°F)121 mm (4.8 inches)87%moderate
May Weather7°C (44°F)113 mm (4.4 inches)85%moderate
June Weather9°C (49°F)92 mm (3.6 inches)81%high
July Weather11°C (53°F)75 mm (3.0 inches)86%high
August Weather11°C (52°F)83 mm (3.3 inches)88%moderate
September Weather8°C (47°F)164 mm (6.5 inches)92%moderate
October Weather5°C (42°F)96 mm (3.8 inches)93%low
November Weather2°C (35°F)105 mm (4.1 inches)94%low
December Weather0°C (33°F)106 mm (4.2 inches)95%low

Compare Seltjarnarnes's Climate with Cities Worldwide