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April Weather in Saint Martins, United States

Last updated: June 24, 2025

In Saint Martins, United States, the average temperature in April hovers around 13°C (55°F). Expect a range of temperatures, with a minimum of -5°C (23°F) and a maximum that can soar to 32°C (89°F). The month typically sees 124 mm (4.9 in) of precipitation spread over 12 days, contributing to an average humidity of 80%.

April Temperature in Saint Martins

In April in Saint Martins, the average temperature is 13°C (55°F), with maximums reaching 32°C (89°F) and minimums dipping as low as -5°C (23°F). This temperature range means travelers should be prepared for both warm and chilly weather during their visit.

April Weather in Saint Martins: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Saint Martins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Martins, April typically has an average temperature of 13°C (55°F), with highs reaching up to 32°C (89°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556676807672584539
Data source: Temperature data for Saint Martins 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 Saint Martins

In Saint Martins in April, the total precipitation amount is 124 mm (4.9 in) over a span of 12 days.

April Precipitation Trends in Saint Martins

The chart displays monthly precipitation patterns in Saint Martins, 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 Saint Martins, April typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7065120124163951099456995942
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saint Martins

In Saint Martins in April humidity is 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.

April Average Humidity in Saint Martins

This chart illustrates the average monthly humidity levels in Saint Martins, 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 Saint Martins is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint Martins

In Saint Martins 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 Saint Martins.

Maximum UV Index Levels in Saint Martins for April

The chart shows the monthly maximum UV Index (UVI) for Saint Martins 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 Saint Martins typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Saint Martins 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 Saint Martins Compares to Other Months

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

This table compares monthly weather conditions in Saint Martins, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)70 mm (2.8 inches)82%moderate
February Weather2°C (36°F)65 mm (2.6 inches)80%moderate
March Weather9°C (48°F)120 mm (4.7 inches)80%high
April Weather13°C (55°F)124 mm (4.9 inches)80%very high
May Weather19°C (67°F)163 mm (6.4 inches)82%very high
June Weather25°C (77°F)95 mm (3.7 inches)83%extreme
July Weather26°C (80°F)108 mm (4.3 inches)81%extreme
August Weather25°C (77°F)94 mm (3.7 inches)80%very high
September Weather22°C (73°F)56 mm (2.2 inches)76%very high
October Weather15°C (59°F)99 mm (3.9 inches)76%high
November Weather7°C (45°F)59 mm (2.3 inches)85%moderate
December Weather4°C (40°F)41 mm (1.6 inches)86%moderate

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