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May Weather in Dunkirk, United States

Last updated: June 24, 2025

In May, the average temperature in Dunkirk, United States hovers around 19°C (67°F), making it a comfortable time of year. Temperatures can fluctuate significantly, with a minimum of 3°C (38°F) and a maximum reaching up to 35°C (94°F). Expect some rain, as the region receives about 127 mm (5.0 in) of precipitation over 12 days. With an average humidity level of 78%, be prepared for a touch of that tropical feel!

May Temperature in Dunkirk

In May, in Dunkirk, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (94°F) and minimums dipping as low as 3°C (38°F). This climate makes Dunkirk an ideal destination for travelers looking for a comfortable escape with a pleasant range of temperatures.

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

The chart illustrates May temperature patterns in Dunkirk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dunkirk, May typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (94°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec384247576675817872634942
Data source: Temperature data for Dunkirk 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 Dunkirk

In Dunkirk in May, the precipitation amount is 127 mm (5.0 in) occurring over the course of 12 days.

May Precipitation Trends in Dunkirk

The chart displays monthly precipitation patterns in Dunkirk, 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 Dunkirk, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6297821011271071671621021177789
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dunkirk

In Dunkirk in May humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

May Average Humidity in Dunkirk

This chart illustrates the average monthly humidity levels in Dunkirk, 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 Dunkirk is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dunkirk

In Dunkirk 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 Dunkirk.

Maximum UV Index Levels in Dunkirk for May

The chart shows the monthly maximum UV Index (UVI) for Dunkirk 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 Dunkirk typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Dunkirk 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 Dunkirk Compares to Other Months

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

This table compares monthly weather conditions in Dunkirk, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)62 mm (2.4 inches)84%moderate
February Weather5°C (42°F)97 mm (3.8 inches)83%moderate
March Weather8°C (47°F)82 mm (3.2 inches)83%high
April Weather14°C (57°F)101 mm (4.0 inches)81%very high
May Weather19°C (67°F)127 mm (5.0 inches)78%very high
June Weather24°C (76°F)107 mm (4.2 inches)79%very high
July Weather27°C (81°F)167 mm (6.6 inches)74%very high
August Weather25°C (78°F)162 mm (6.4 inches)72%very high
September Weather22°C (73°F)102 mm (4.0 inches)75%very high
October Weather17°C (63°F)117 mm (4.6 inches)81%high
November Weather9°C (49°F)77 mm (3.0 inches)85%moderate
December Weather6°C (42°F)89 mm (3.5 inches)84%moderate

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