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May Weather in Caribou, United States

Last updated: June 24, 2025

In May, the average temperature in Caribou, United States hovers around 11°C (52°F). While temperatures can dip as low as -5°C (24°F), they can soar to a maximum of 33°C (91°F). During this period, expect about 102 mm (4.0 in) of precipitation spread over 14 days, complemented by an average humidity of 82%.

May Temperature in Caribou

In May in Caribou, the average temperature is 11°C (52°F). Maximum temperatures can reach 33°C (91°F), while minimum temperatures can drop as low as -5°C (24°F). This range makes it essential for travelers to pack layers to accommodate both the warmth of the day and the chill of the night.

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

The chart illustrates May temperature patterns in Caribou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caribou, May typically has an average temperature of 11°C (52°F), with highs reaching up to 33°C (91°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec141625385261676657463219
Data source: Temperature data for Caribou 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 Caribou

In Caribou in May, the precipitation amount is 102 mm (4.0 in) over a period of 14 days.

May Precipitation Trends in Caribou

The chart displays monthly precipitation patterns in Caribou, 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 Caribou, May typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec92757411010290997810410711398
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Caribou

In Caribou in May, humidity is 82%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and stay prepared for the moisture-laden air as you explore your surroundings.

May Average Humidity in Caribou

This chart illustrates the average monthly humidity levels in Caribou, 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 Caribou is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Caribou

In Caribou in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Caribou.

Maximum UV Index Levels in Caribou for May

The chart shows the monthly maximum UV Index (UVI) for Caribou 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 Caribou typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Caribou 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 Caribou Compares to Other Months

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

This table compares monthly weather conditions in Caribou, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)92 mm (3.6 inches)93%low
February Weather-9°C (16°F)75 mm (3.0 inches)92%moderate
March Weather-4°C (25°F)74 mm (2.9 inches)90%moderate
April Weather3°C (38°F)110 mm (4.3 inches)87%high
May Weather11°C (52°F)102 mm (4.0 inches)82%very high
June Weather16°C (62°F)90 mm (3.5 inches)77%very high
July Weather19°C (67°F)99 mm (3.9 inches)81%very high
August Weather19°C (66°F)78 mm (3.1 inches)83%very high
September Weather14°C (57°F)104 mm (4.1 inches)85%high
October Weather8°C (46°F)107 mm (4.2 inches)87%moderate
November Weather0°C (32°F)113 mm (4.4 inches)87%moderate
December Weather-7°C (19°F)98 mm (3.9 inches)90%low

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