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May Weather in Snowflake, United States

Last updated: June 24, 2025

In Snowflake, United States, the average temperature in May hovers around 18°C (65°F). Daily highs can reach a warm 34°C (94°F), while the mercury can dip as low as 1°C (34°F). Expect about 11 mm (0.4 in) of precipitation spread over 3 days, with an average humidity of 46%.

May Temperature in Snowflake

In May in Snowflake, the average temperature is 18°C (65°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 1°C (34°F). Be prepared for a range of temperatures during your travels, bringing both lightweight clothing for the heat and warmer layers for the cooler moments.

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

The chart illustrates May temperature patterns in Snowflake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Snowflake, May typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec374148576577787771584838
Data source: Temperature data for Snowflake 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 Snowflake

In Snowflake in May, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

May Precipitation Trends in Snowflake

The chart displays monthly precipitation patterns in Snowflake, 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 Snowflake, May typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec25302511115462423221220
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Snowflake

In Snowflake in May, humidity is 46%. With an average temperature of 18°C (65°F), this humidity feels like a refreshing embrace, making traveling comfortable yet slightly invigorating as you explore the surroundings.

May Average Humidity in Snowflake

This chart illustrates the average monthly humidity levels in Snowflake, 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 Snowflake is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%72%63%46%35%33%41%59%70%79%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Snowflake

In Snowflake in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Snowflake.

Maximum UV Index Levels in Snowflake for May

The chart shows the monthly maximum UV Index (UVI) for Snowflake 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 Snowflake typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211865
Data source: Snowflake 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 Snowflake Compares to Other Months

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

This table compares monthly weather conditions in Snowflake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)25 mm (1.0 inches)80%moderate
February Weather5°C (41°F)30 mm (1.2 inches)83%high
March Weather9°C (49°F)25 mm (1.0 inches)72%very high
April Weather14°C (58°F)11 mm (0.4 inches)63%extreme
May Weather18°C (65°F)11 mm (0.4 inches)46%extreme
June Weather25°C (77°F)5 mm (0.2 inches)35%extreme
July Weather25°C (78°F)46 mm (1.8 inches)33%extreme
August Weather25°C (77°F)24 mm (1.0 inches)41%extreme
September Weather21°C (71°F)23 mm (0.9 inches)59%extreme
October Weather14°C (58°F)22 mm (0.8 inches)70%very high
November Weather9°C (48°F)12 mm (0.5 inches)79%high
December Weather3°C (38°F)20 mm (0.8 inches)82%moderate

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