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May Weather in West Yarmouth, United States

Last updated: June 24, 2025

In May, the average temperature in West Yarmouth, United States is a pleasant 12°C (53°F). Expect minimums around 5°C (41°F) and maximums reaching 21°C (70°F). With an average humidity of 75% and an estimated precipitation of 119 mm (4.7 in) over 12 days, it's wise to prepare for both sun and rain during your visit.

May Temperature in West Yarmouth

In May in West Yarmouth, the average temperature is 12°C (53°F). Maximum temperatures can reach 21°C (70°F) while the minimum can drop as low as 5°C (41°F). This favorable climate makes it an ideal time for outdoor activities and exploring the beautiful surroundings.

May Weather in West Yarmouth: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in West Yarmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Yarmouth, May typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec353638455363707266594839
Data source: Temperature data for West Yarmouth 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 West Yarmouth

In West Yarmouth in May, the total precipitation amount is 119 mm (4.7 in), falling over a span of 12 days.

May Precipitation Trends in West Yarmouth

The chart displays monthly precipitation patterns in West Yarmouth, 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 West Yarmouth, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec94123118137119918382118175102136
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in West Yarmouth

In West Yarmouth in May, humidity is 75%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making leisurely exploration feel sluggish and heavy, perhaps leaving you yearning for cozy indoor retreats.

May Average Humidity in West Yarmouth

This chart illustrates the average monthly humidity levels in West Yarmouth, 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 West Yarmouth is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in West Yarmouth

In West Yarmouth in May, 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 West Yarmouth.

Maximum UV Index Levels in West Yarmouth for May

The chart shows the monthly maximum UV Index (UVI) for West Yarmouth 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 West Yarmouth typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998642
Data source: West Yarmouth 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 West Yarmouth Compares to Other Months

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

This table compares monthly weather conditions in West Yarmouth, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)94 mm (3.7 inches)84%moderate
February Weather2°C (36°F)123 mm (4.8 inches)84%moderate
March Weather3°C (38°F)118 mm (4.7 inches)82%high
April Weather7°C (46°F)137 mm (5.4 inches)79%very high
May Weather12°C (53°F)119 mm (4.7 inches)75%very high
June Weather17°C (63°F)91 mm (3.6 inches)78%very high
July Weather21°C (71°F)83 mm (3.3 inches)76%very high
August Weather22°C (72°F)82 mm (3.2 inches)76%very high
September Weather19°C (67°F)118 mm (4.7 inches)75%very high
October Weather15°C (59°F)175 mm (6.9 inches)75%high
November Weather9°C (48°F)102 mm (4.0 inches)80%moderate
December Weather4°C (40°F)136 mm (5.4 inches)80%low

Compare West Yarmouth's Climate with Cities Worldwide