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May Weather in Bella Vista, United States

Last updated: June 24, 2025

In May, the average temperature in Bella Vista, United States hovers around 19°C (67°F). Visitors can expect a range from a chilly 3°C (38°F) at night to a balmy 33°C (91°F) during the day. With 172 mm (6.8 in) of precipitation spread over 13 days, it's wise to be prepared for occasional rain. Additionally, the air is quite humid, with an average humidity level of 83%.

May Temperature in Bella Vista

In May in Bella Vista, the average temperature is 19°C (67°F). Maximums can reach 33°C (91°F), and minimums can be as low as 3°C (38°F). This makes Bella Vista a great destination for travelers seeking mild weather and a chance to enjoy a variety of outdoor activities.

May Weather in Bella Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Bella Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bella Vista, May typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec373951576776797773604843
Data source: Temperature data for Bella Vista 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 Bella Vista

In Bella Vista in May, the precipitation amount is 172 mm (6.8 in), which occurs over the course of 13 days.

May Precipitation Trends in Bella Vista

The chart displays monthly precipitation patterns in Bella Vista, 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 Bella Vista, May typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec89951531811729899139651666865
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bella Vista

In Bella Vista in May humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Bella Vista

This chart illustrates the average monthly humidity levels in Bella Vista, 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 Bella Vista is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bella Vista

In Bella Vista 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 Bella Vista.

Maximum UV Index Levels in Bella Vista for May

The chart shows the monthly maximum UV Index (UVI) for Bella Vista 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 Bella Vista typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Bella Vista 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 Bella Vista Compares to Other Months

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

This table compares monthly weather conditions in Bella Vista, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)89 mm (3.5 inches)81%moderate
February Weather4°C (40°F)95 mm (3.8 inches)78%high
March Weather10°C (51°F)153 mm (6.0 inches)76%high
April Weather14°C (57°F)181 mm (7.1 inches)78%very high
May Weather19°C (67°F)172 mm (6.8 inches)83%very high
June Weather24°C (76°F)98 mm (3.9 inches)83%extreme
July Weather26°C (79°F)99 mm (3.9 inches)78%extreme
August Weather25°C (77°F)139 mm (5.5 inches)68%very high
September Weather23°C (74°F)65 mm (2.5 inches)64%very high
October Weather15°C (60°F)166 mm (6.5 inches)70%high
November Weather9°C (48°F)68 mm (2.7 inches)83%moderate
December Weather6°C (43°F)64 mm (2.5 inches)87%moderate

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