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May Weather in Montebello, Canada

Last updated: June 18, 2025

In May, the average temperature in Montebello, Canada hovers around 13°C (55°F). However, be prepared for the extremes: temperatures can dip as low as -3°C (27°F) or soar to a sweltering 35°C (95°F). This month typically sees 115 mm (4.5 in) of precipitation over 13 days, contributing to an average humidity level of 75%.

May Temperature in Montebello

In May in Montebello, the average temperature is 13°C (55°F). Maximums can reach 35°C (95°F) and minimums can be as low as -3°C (27°F). Be prepared for a wide range of temperatures when planning your travels.

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

The chart illustrates May temperature patterns in Montebello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montebello, May typically has an average temperature of 13°C (55°F), with highs reaching up to 35°C (95°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec151826415564706759473221
Data source: Temperature data for Montebello 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 Montebello

In Montebello in May, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

May Precipitation Trends in Montebello

The chart displays monthly precipitation patterns in Montebello, 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 Montebello, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec808589110115102134988612410088
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Montebello

In Montebello in May humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

May Average Humidity in Montebello

This chart illustrates the average monthly humidity levels in Montebello, 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 Montebello is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Montebello

In Montebello 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 Montebello.

Maximum UV Index Levels in Montebello for May

The chart shows the monthly maximum UV Index (UVI) for Montebello 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 Montebello typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899887532
Data source: Montebello 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 Montebello Compares to Other Months

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

This table compares monthly weather conditions in Montebello, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)80 mm (3.1 inches)93%low
February Weather-8°C (18°F)85 mm (3.3 inches)93%moderate
March Weather-3°C (27°F)89 mm (3.5 inches)86%moderate
April Weather5°C (41°F)110 mm (4.3 inches)82%very high
May Weather13°C (55°F)115 mm (4.5 inches)75%very high
June Weather18°C (64°F)102 mm (4.0 inches)68%very high
July Weather21°C (70°F)134 mm (5.3 inches)69%very high
August Weather19°C (67°F)98 mm (3.9 inches)67%very high
September Weather15°C (59°F)86 mm (3.4 inches)72%high
October Weather9°C (48°F)124 mm (4.9 inches)83%moderate
November Weather0°C (32°F)100 mm (3.9 inches)88%moderate
December Weather-6°C (21°F)88 mm (3.5 inches)89%low

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