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May Weather in Birmingham, United States

Last updated: June 24, 2025

In Birmingham, United States, the average temperature in May hovers around 22°C (72°F), with extremes ranging from a brisk 4°C (40°F) to a sizzling 34°C (93°F). Expect about 105 mm (4.2 in) of rainfall over 11 days, and prepare for high humidity at an average of 81%. Whether you're enjoying the warmth or bracing for a shower, this month offers a unique blend of weather!

May Temperature in Birmingham

In May in Birmingham, the average temperature is 22°C (72°F). Maximum temperatures can reach 34°C (93°F), while minimums can be as low as 4°C (40°F). It's a great time to pack for a range of weather, ensuring you're prepared for both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Birmingham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Birmingham, May typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec465258637277808076675349
Data source: Temperature data for Birmingham 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 Birmingham

In Birmingham in May, the total precipitation amount reaches 105 mm (4.2 in) over the course of 11 days.

May Precipitation Trends in Birmingham

The chart displays monthly precipitation patterns in Birmingham, 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 Birmingham, May typically receives around 105 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1171681491431061461141258713182146
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Birmingham

In Birmingham in May, humidity is 81%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making traveling feel both lush and a bit stifling, as the air clings to your skin and every step is accompanied by a gentle sheen of moisture.

May Average Humidity in Birmingham

This chart illustrates the average monthly humidity levels in Birmingham, 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 Birmingham is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Birmingham

In Birmingham 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 Birmingham.

Maximum UV Index Levels in Birmingham for May

The chart shows the monthly maximum UV Index (UVI) for Birmingham 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 Birmingham typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Birmingham 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 Birmingham Compares to Other Months

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

This table compares monthly weather conditions in Birmingham, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)117 mm (4.6 inches)85%moderate
February Weather11°C (52°F)168 mm (6.6 inches)84%high
March Weather14°C (58°F)149 mm (5.9 inches)82%very high
April Weather17°C (63°F)143 mm (5.6 inches)82%very high
May Weather22°C (72°F)105 mm (4.2 inches)81%extreme
June Weather25°C (78°F)146 mm (5.7 inches)77%extreme
July Weather27°C (81°F)114 mm (4.5 inches)77%extreme
August Weather26°C (80°F)125 mm (4.9 inches)72%extreme
September Weather25°C (77°F)87 mm (3.4 inches)73%very high
October Weather19°C (67°F)131 mm (5.2 inches)73%high
November Weather11°C (53°F)82 mm (3.2 inches)85%high
December Weather10°C (49°F)146 mm (5.8 inches)88%moderate

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