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May Weather in Amarillo, United States

Last updated: June 24, 2025

In May, the average temperature in Amarillo, United States hovers around 20°C (68°F), offering a pleasant climate. However, temperatures can swing dramatically, with minimums dropping to 1°C (33°F) and maximums reaching up to 38°C (100°F). During this time, expect 69 mm (2.7 in) of precipitation spread over about 8 days, contributing to an average humidity level of 78%.

May Temperature in Amarillo

In May in Amarillo, the average temperature is 20°C (68°F), with maximums reaching 38°C (100°F) and minimums dipping as low as 1°C (33°F). Be prepared for a wide range of temperatures during your trip, making layering your clothing essential for comfort.

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

The chart illustrates May temperature patterns in Amarillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amarillo, May typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (100°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec383950576777807872584841
Data source: Temperature data for Amarillo 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 Amarillo

In Amarillo in May, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

May Precipitation Trends in Amarillo

The chart displays monthly precipitation patterns in Amarillo, 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 Amarillo, May typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec221039296942394837551414
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Amarillo

In Amarillo in May humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

May Average Humidity in Amarillo

This chart illustrates the average monthly humidity levels in Amarillo, 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 Amarillo is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Amarillo

In Amarillo 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 Amarillo.

Maximum UV Index Levels in Amarillo for May

The chart shows the monthly maximum UV Index (UVI) for Amarillo 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 Amarillo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111112121110764
Data source: Amarillo 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 Amarillo Compares to Other Months

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

This table compares monthly weather conditions in Amarillo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)22 mm (0.9 inches)75%moderate
February Weather4°C (40°F)10 mm (0.4 inches)76%high
March Weather10°C (51°F)39 mm (1.5 inches)64%very high
April Weather14°C (57°F)29 mm (1.1 inches)70%extreme
May Weather20°C (68°F)69 mm (2.7 inches)78%extreme
June Weather25°C (77°F)42 mm (1.6 inches)81%extreme
July Weather27°C (80°F)39 mm (1.5 inches)82%extreme
August Weather26°C (78°F)48 mm (1.9 inches)78%extreme
September Weather22°C (72°F)37 mm (1.5 inches)72%very high
October Weather14°C (58°F)55 mm (2.2 inches)73%high
November Weather9°C (48°F)13 mm (0.5 inches)80%high
December Weather5°C (41°F)14 mm (0.5 inches)81%moderate

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