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May Weather in Saint Joseph, Dominica

Last updated: August 23, 2025

In Saint Joseph, Dominica, the average temperature in May hovers around 26°C (79°F), with a comfortable minimum of 24°C (75°F) and a warm maximum of 28°C (82°F). Expect 38 mm (1.5 in) of precipitation spread over 10 days, accompanied by an average humidity level of 80%. Perfect for enjoying both the warmth and a hint of tropical atmosphere!

May Temperature in Saint Joseph

In May in Saint Joseph, the average temperature is 26°C (79°F). Maximums can reach 28°C (82°F), while minimums can drop to as low as 24°C (75°F). This mild and pleasant weather makes it an ideal destination for travelers seeking a comfortable climate.

May Weather in Saint Joseph: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint Joseph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Joseph, May typically has an average temperature of 26°C (79°F), with highs reaching up to 28°C (82°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980808181818079
Data source: Temperature data for Saint Joseph 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.

May Precipitation in Saint Joseph

In Saint Joseph in May, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.

May Precipitation Trends in Saint Joseph

The chart displays monthly precipitation patterns in Saint Joseph, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Saint Joseph, May typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec353535333866911121181229956
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint Joseph

In Saint Joseph in May humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

May Average Humidity in Saint Joseph

This chart illustrates the average monthly humidity levels in Saint Joseph, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Saint Joseph is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%78%78%80%82%84%82%80%80%80%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint Joseph

In Saint Joseph in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Saint Joseph, you can check here.

Maximum UV Index Levels in Saint Joseph for May

The chart shows the monthly maximum UV Index (UVI) for Saint Joseph in May, 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 May, the maximum UV index in Saint Joseph typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111314141314131312109
Data source: Saint Joseph May 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 May Weather in Saint Joseph Compares to Other Months

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

This table compares monthly weather conditions in Saint Joseph, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)35 mm (1.4 inches)78%very high
February Weather25°C (77°F)35 mm (1.4 inches)77%extreme
March Weather25°C (77°F)35 mm (1.4 inches)78%extreme
April Weather25°C (78°F)33 mm (1.3 inches)78%extreme
May Weather26°C (79°F)38 mm (1.5 inches)80%extreme
June Weather27°C (80°F)66 mm (2.6 inches)82%extreme
July Weather27°C (81°F)91 mm (3.6 inches)84%extreme
August Weather27°C (81°F)112 mm (4.4 inches)82%extreme
September Weather27°C (82°F)118 mm (4.6 inches)80%extreme
October Weather27°C (81°F)122 mm (4.8 inches)80%extreme
November Weather26°C (80°F)99 mm (3.9 inches)80%very high
December Weather26°C (79°F)56 mm (2.2 inches)79%very high

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