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May Weather in Irwin, United States

Last updated: June 24, 2025

In May, the average temperature in Irwin, United States hovers around 22°C (72°F), making it quite pleasant. However, be prepared for temperature swings, with a minimum of 5°C (42°F) and a maximum that can reach up to 36°C (96°F). During this month, you can expect about 111 mm (4.4 in) of precipitation spread over 11 days, contributing to an average humidity level of 83%. Don’t forget to bring an umbrella!

May Temperature in Irwin

In May in Irwin, the average temperature is 22°C (72°F). The maximum can reach 36°C (96°F) and the minimum can be as low as 5°C (42°F). It's a perfect time to pack both light clothing for the warm days and a jacket for the cooler evenings.

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

The chart illustrates May temperature patterns in Irwin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irwin, May typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (96°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec455155637277807975665248
Data source: Temperature data for Irwin 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 Irwin

In Irwin in May, the precipitation amount is 111 mm (4.4 in), occurring over the course of 11 days.

May Precipitation Trends in Irwin

The chart displays monthly precipitation patterns in Irwin, 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 Irwin, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412582105111981101211167786129
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Irwin

In Irwin in May humidity is 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

May Average Humidity in Irwin

This chart illustrates the average monthly humidity levels in Irwin, 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 Irwin is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Irwin

In Irwin 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 Irwin.

Maximum UV Index Levels in Irwin for May

The chart shows the monthly maximum UV Index (UVI) for Irwin 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 Irwin typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109864
Data source: Irwin 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 Irwin Compares to Other Months

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

This table compares monthly weather conditions in Irwin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)94 mm (3.7 inches)86%moderate
February Weather10°C (51°F)125 mm (4.9 inches)85%high
March Weather13°C (55°F)82 mm (3.2 inches)84%very high
April Weather17°C (63°F)105 mm (4.1 inches)82%very high
May Weather22°C (72°F)111 mm (4.4 inches)83%very high
June Weather25°C (77°F)98 mm (3.8 inches)82%extreme
July Weather27°C (80°F)110 mm (4.3 inches)80%extreme
August Weather26°C (79°F)121 mm (4.8 inches)74%very high
September Weather24°C (75°F)116 mm (4.6 inches)75%very high
October Weather19°C (66°F)77 mm (3.0 inches)79%very high
November Weather11°C (53°F)86 mm (3.4 inches)87%high
December Weather9°C (49°F)129 mm (5.1 inches)87%moderate

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