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May Weather in Flat River, United States

Last updated: June 24, 2025

In May, the average temperature in Flat River, United States is a pleasant 19°C (66°F). Temperatures can range from a chilly 3°C (37°F) at night to a warm 32°C (90°F) during the day. Be prepared for about 150 mm (5.9 in) of precipitation spread over 13 days, contributing to an average humidity of 83%.

May Temperature in Flat River

In May in Flat River, the average temperature is 19°C (66°F). Maximum temperatures can reach 32°C (90°F), while minimum temperatures can drop to as low as 3°C (37°F). Be sure to pack a variety of clothing to accommodate both warm and cool weather during your travels.

May Weather in Flat River: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Flat River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flat River, May typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343747556675797571594440
Data source: Temperature data for Flat River 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 Flat River

In Flat River in May, the precipitation amount is 150 mm (5.9 in) spread over 13 days.

May Precipitation Trends in Flat River

The chart displays monthly precipitation patterns in Flat River, 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 Flat River, May typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec801001341711519088119661157570
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Flat River

In Flat River in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

May Average Humidity in Flat River

This chart illustrates the average monthly humidity levels in Flat River, 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 Flat River is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Flat River

In Flat River in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Flat River.

Maximum UV Index Levels in Flat River for May

The chart shows the monthly maximum UV Index (UVI) for Flat River 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 Flat River typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679111111109753
Data source: Flat River 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 Flat River Compares to Other Months

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

This table compares monthly weather conditions in Flat River, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)80 mm (3.2 inches)83%moderate
February Weather3°C (37°F)100 mm (3.9 inches)81%high
March Weather9°C (48°F)134 mm (5.3 inches)80%high
April Weather13°C (55°F)171 mm (6.7 inches)80%very high
May Weather19°C (66°F)150 mm (5.9 inches)83%extreme
June Weather24°C (75°F)90 mm (3.5 inches)83%extreme
July Weather26°C (79°F)87 mm (3.4 inches)76%extreme
August Weather24°C (76°F)119 mm (4.7 inches)69%very high
September Weather22°C (71°F)66 mm (2.6 inches)68%very high
October Weather15°C (59°F)115 mm (4.5 inches)72%high
November Weather7°C (45°F)75 mm (3.0 inches)83%moderate
December Weather4°C (40°F)70 mm (2.8 inches)86%moderate

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