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May Weather in Medford, United States

Last updated: June 24, 2025

In Medford, United States, the average temperature in May hovers around 13°C (56°F). Be prepared for a range, as temperatures can dip to a chilly -3°C (27°F) at their lowest, while sunny days may reach up to a sweltering 33°C (92°F). Rainfall can be expected, with an average precipitation of 113 mm (4.4 in) over 13 days. The average humidity during this time is a high 79%, making it feel quite muggy.

May Temperature in Medford

In May in Medford, the average temperature is 13°C (56°F). Maximum temperatures can reach 33°C (92°F), while minimums can dip to as low as -3°C (27°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates May temperature patterns in Medford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Medford, May typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec161630415666706660463122
Data source: Temperature data for Medford 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 Medford

In Medford in May, the precipitation amount is 113 mm (4.4 in) over the course of 13 days.

May Precipitation Trends in Medford

The chart displays monthly precipitation patterns in Medford, 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 Medford, May typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec34535295113108124130941265157
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Medford

In Medford in May, humidity is 79%. With an average temperature of 13°C (56°F), this humidity feels like a damp, cool blanket wrapping around you, making traveling slightly uncomfortable and requiring you to dress in layers to stay comfortable while exploring.

May Average Humidity in Medford

This chart illustrates the average monthly humidity levels in Medford, 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 Medford is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Medford

In Medford in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Medford.

Maximum UV Index Levels in Medford for May

The chart shows the monthly maximum UV Index (UVI) for Medford 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 Medford typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Medford 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 Medford Compares to Other Months

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

This table compares monthly weather conditions in Medford, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)33 mm (1.3 inches)88%low
February Weather-9°C (16°F)53 mm (2.1 inches)89%moderate
March Weather-1°C (30°F)52 mm (2.0 inches)86%moderate
April Weather5°C (41°F)95 mm (3.7 inches)85%high
May Weather13°C (56°F)113 mm (4.4 inches)79%very high
June Weather19°C (67°F)108 mm (4.3 inches)80%very high
July Weather21°C (70°F)124 mm (4.9 inches)80%very high
August Weather19°C (67°F)130 mm (5.1 inches)78%very high
September Weather16°C (60°F)94 mm (3.7 inches)80%high
October Weather8°C (46°F)125 mm (4.9 inches)84%moderate
November Weather-1°C (31°F)51 mm (2.0 inches)89%moderate
December Weather-6°C (22°F)57 mm (2.2 inches)85%low

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