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May Weather in Mystic Island, United States

Last updated: June 24, 2025

In Mystic Island, United States, the average temperature in May hovers around 17°C (63°F), with a comfortable range from a cool 3°C (37°F) to a warm 34°C (94°F). Expect about 109 mm (4.3 in) of precipitation spread over 12 days, contributing to a 74% average humidity. Get ready for a month that balances warmth with refreshing showers!

May Temperature in Mystic Island

In May in Mystic Island, the average temperature is 17°C (63°F). Maximums can reach up to 34°C (94°F), and minimums can drop as low as 3°C (37°F). This makes it a great time for travelers to enjoy a mix of warm days and cooler nights while exploring the area.

May Weather in Mystic Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mystic Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mystic Island, May typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec374045546373797772634942
Data source: Temperature data for Mystic Island 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 Mystic Island

In Mystic Island in May, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

May Precipitation Trends in Mystic Island

The chart displays monthly precipitation patterns in Mystic Island, 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 Mystic Island, May typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec65102109981099012513211213680106
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mystic Island

In Mystic Island in May, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

May Average Humidity in Mystic Island

This chart illustrates the average monthly humidity levels in Mystic Island, 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 Mystic Island is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%81%79%74%77%76%77%74%75%80%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mystic Island

In Mystic Island in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mystic Island.

Maximum UV Index Levels in Mystic Island for May

The chart shows the monthly maximum UV Index (UVI) for Mystic Island 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 Mystic Island typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101010108743
Data source: Mystic Island 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 Mystic Island Compares to Other Months

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

This table compares monthly weather conditions in Mystic Island, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)65 mm (2.5 inches)83%moderate
February Weather5°C (41°F)102 mm (4.0 inches)82%moderate
March Weather7°C (45°F)109 mm (4.3 inches)81%high
April Weather12°C (54°F)98 mm (3.9 inches)79%very high
May Weather17°C (63°F)109 mm (4.3 inches)74%very high
June Weather23°C (73°F)90 mm (3.5 inches)77%very high
July Weather26°C (79°F)125 mm (4.9 inches)76%very high
August Weather25°C (77°F)132 mm (5.2 inches)77%very high
September Weather22°C (72°F)112 mm (4.4 inches)74%very high
October Weather17°C (63°F)136 mm (5.4 inches)75%high
November Weather9°C (49°F)80 mm (3.1 inches)80%moderate
December Weather5°C (42°F)106 mm (4.2 inches)81%moderate

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