nomadseason

April Weather in Bethel Island, United States

Last updated: June 24, 2025

In April, the average temperature in Bethel Island, United States hovers around 16°C (61°F), creating a pleasant climate for various activities. Expect minimum temperatures of 5°C (41°F) and maximums reaching 32°C (90°F). During this month, you can anticipate approximately 30 mm (1.2 in) of precipitation spread over 4 days, alongside an average humidity level of 78%, ensuring a fresh ambiance throughout.

April Temperature in Bethel Island

In April, in Bethel Island, the average temperature is 16°C (61°F). Maximum temperatures can reach 32°C (90°F), while minimums can dip to as low as 5°C (41°F). This variability makes Bethel Island a great destination for travelers who enjoy both warm days and cooler evenings.

April Weather in Bethel Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Bethel Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethel Island, April typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec505356616570717170645650
Data source: Temperature data for Bethel Island 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 Bethel Island

In Bethel Island in April, the precipitation amount is 30 mm (1.2 in) over the course of 4 days.

April Precipitation Trends in Bethel Island

The chart displays monthly precipitation patterns in Bethel Island, 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 Bethel Island, April typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec100877030151001263883
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Bethel Island

In Bethel Island in April, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

April Average Humidity in Bethel Island

This chart illustrates the average monthly humidity levels in Bethel Island, 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 Bethel Island is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bethel Island

In Bethel Island in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Bethel Island.

Maximum UV Index Levels in Bethel Island for April

The chart shows the monthly maximum UV Index (UVI) for Bethel Island 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 Bethel Island typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Bethel Island 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 Bethel Island Compares to Other Months

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

This table compares monthly weather conditions in Bethel Island, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)100 mm (4.0 inches)82%moderate
February Weather11°C (53°F)87 mm (3.4 inches)84%moderate
March Weather13°C (56°F)70 mm (2.7 inches)82%very high
April Weather16°C (61°F)30 mm (1.2 inches)78%very high
May Weather18°C (65°F)15 mm (0.6 inches)71%very high
June Weather21°C (70°F)1 mm (0.1 inches)64%extreme
July Weather22°C (71°F)0 mm (0.0 inches)58%extreme
August Weather22°C (71°F)0 mm (0.0 inches)54%very high
September Weather21°C (70°F)1 mm (0.0 inches)55%very high
October Weather18°C (64°F)26 mm (1.0 inches)62%high
November Weather13°C (56°F)38 mm (1.5 inches)78%moderate
December Weather10°C (50°F)83 mm (3.3 inches)80%moderate

Compare Bethel Island's Climate with Cities Worldwide