May weather forecastMedford, OR
May
Weather in May
May experiences a further increase in temperature with lows and highs ranging from 39.2°F (4°C) to 66°F (18.9°C). This month marks the beginning of the summer season in Medford, Oregon. Strong sunshine and longer daylight hours characterize the transformation to a warm-weather climate. Despite its position as a gateway month to summer, rainfall remains moderate and occurs sporadically. Consequently, the prevalence of cloudy days reduces, making way for clearer skies.Temperature
The shift into May in Medford is characterized by a subtle rise in the average high-temperature, transitioning from April's mild 57.2°F (14°C) to an enjoyable 66°F (18.9°C). Medford documents a marked decrease from day to night, with an average low of 39.2°F (4°C) throughout May.Humidity
In Medford, the average relative humidity in May is 72%.Rainfall
In Medford, in May, it is raining for 12.2 days, with typically 1.57" (40mm) of accumulated precipitation. In Medford, Oregon, during the entire year, the rain falls for 130.2 days and collects up to 19.17" (487mm) of precipitation.Snowfall
May through October are months without snowfall in Medford.Daylight
The average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:41 pm PDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
In Medford, Oregon, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Medford, OR
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in May: 39.2°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (29.3°F).
Average pressure in May
Medford, OR
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in May
Medford, OR
- Average wind speed in May: 3.9mph
The windiest months (with the highest average wind speed) are January and March (4.2mph).
The calmest months (with the lowest average wind speed) are August, September and October (3.4mph).
Average humidity in May
Medford, OR
- Average humidity in May: 72%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
Medford, OR
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Medford, OR
- Average rainfall days in May: 12.2 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in May
Medford, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Medford, OR
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Medford, OR
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 10h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Medford, OR
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in May
Medford, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Medford, OR
- Average cloud cover in May: 36
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in May
Medford, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
