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May Weather in Aptos, United States

Last updated: June 24, 2025

In May, the average temperature in Aptos, United States hovers around 13°C (55°F). You'll experience a pleasant range, with minimums dipping to 8°C (47°F) and maximums reaching 20°C (68°F). Prepare for some moisture, as 23 mm (0.9 in) of precipitation is expected over the course of 3 days, coupled with an average humidity of 71%. Embrace the climate as you explore!

May Temperature in Aptos

In May in Aptos, the average temperature is 13°C (55°F). Maximums can reach 20°C (68°F), while minimums can drop as low as 8°C (47°F). This moderate climate makes it a pleasant time for exploring the area or enjoying outdoor activities.

May Weather in Aptos: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Aptos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aptos, May typically has an average temperature of 13°C (55°F), with highs reaching up to 20°C (68°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec535253545557586061605653
Data source: Temperature data for Aptos 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 Aptos

In Aptos in May, the precipitation amount is 23 mm (0.9 in) over the course of 3 days.

May Precipitation Trends in Aptos

The chart displays monthly precipitation patterns in Aptos, 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 Aptos, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec148136110422342223161126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Aptos

In Aptos in May humidity is 71%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, making travel a bit challenging as the moisture clings to your skin and the air feels thick, creating a sense of heaviness that can sap your energy while exploring.

May Average Humidity in Aptos

This chart illustrates the average monthly humidity levels in Aptos, 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 Aptos is approximately 71%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Aptos

In Aptos in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Aptos.

Maximum UV Index Levels in Aptos for May

The chart shows the monthly maximum UV Index (UVI) for Aptos 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 Aptos typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Aptos 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 Aptos Compares to Other Months

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

This table compares monthly weather conditions in Aptos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)148 mm (5.8 inches)82%moderate
February Weather11°C (53°F)136 mm (5.3 inches)84%moderate
March Weather11°C (53°F)110 mm (4.3 inches)82%very high
April Weather12°C (54°F)42 mm (1.6 inches)78%very high
May Weather13°C (55°F)23 mm (0.9 inches)71%extreme
June Weather14°C (58°F)4 mm (0.2 inches)64%extreme
July Weather15°C (59°F)2 mm (0.1 inches)58%extreme
August Weather16°C (61°F)2 mm (0.1 inches)54%very high
September Weather16°C (62°F)2 mm (0.1 inches)55%very high
October Weather16°C (60°F)31 mm (1.2 inches)62%high
November Weather14°C (57°F)61 mm (2.4 inches)78%moderate
December Weather12°C (53°F)126 mm (4.9 inches)80%moderate

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