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May Weather in Montello, United States

Last updated: June 24, 2025

In May, the average temperature in Montello, United States hovers around 15°C (59°F). However, be prepared for a range, as temperatures can dip as low as -2°C (28°F) and soar up to 34°C (93°F). Expect approximately 118 mm (4.6 in) of precipitation spread over 13 days, contributing to a notable average humidity of 78%. Stay prepared for a mix of weather!

May Temperature in Montello

In May in Montello, the average temperature is 15°C (59°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as -2°C (28°F). It's advisable to pack for both warm days and chilly nights while exploring this destination.

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

The chart illustrates May temperature patterns in Montello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montello, May typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134455970747064503628
Data source: Temperature data for Montello 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 Montello

In Montello in May, the precipitation amount is 118 mm (4.6 in) over a span of 13 days.

May Precipitation Trends in Montello

The chart displays monthly precipitation patterns in Montello, 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 Montello, May typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec45506197118114111105921034649
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Montello

In Montello in May, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

May Average Humidity in Montello

This chart illustrates the average monthly humidity levels in Montello, 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 Montello is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Montello

In Montello 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 Montello.

Maximum UV Index Levels in Montello for May

The chart shows the monthly maximum UV Index (UVI) for Montello 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 Montello typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Montello 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 Montello Compares to Other Months

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

This table compares monthly weather conditions in Montello, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (21°F)45 mm (1.8 inches)85%moderate
February Weather-6°C (21°F)50 mm (2.0 inches)85%moderate
March Weather1°C (35°F)61 mm (2.4 inches)85%moderate
April Weather7°C (45°F)97 mm (3.8 inches)85%very high
May Weather15°C (59°F)118 mm (4.6 inches)78%very high
June Weather21°C (70°F)114 mm (4.5 inches)80%very high
July Weather23°C (74°F)111 mm (4.4 inches)78%very high
August Weather21°C (71°F)105 mm (4.1 inches)76%very high
September Weather18°C (64°F)92 mm (3.6 inches)79%high
October Weather10°C (51°F)103 mm (4.0 inches)83%moderate
November Weather2°C (36°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)49 mm (1.9 inches)81%low

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