May weather forecast
Medford, OR

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The calm city of Medford in Oregon, with a view of the clear roads and the colorful trees with the fall foliage beauty
The calm city of Medford in Oregon, with a view of the clear roads and the colorful trees with the fall foliage beauty

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

May comes with a subtle rise, with the average high-temperature adjusting from a mild 57.2°F (14°C) in April to a still refreshing 66°F (18.9°C). Medford reports a steady low-temperature average of 39.2°F (4°C) throughout May, revealing a large deviation from the daytime high.

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, 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.

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 Medford, the average sunshine in May is 10.5h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 in May translates into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What is the usual temperature for Medford in May?

The average high-temperature and low-temperature during May are 66°F (18.9°C) and 39.2°F (4°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 72%.

How much does it rain in May?

In Medford, during May, the rain falls for 12.2 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Medford have in May?

In May, the average day length in Medford is 14h and 37min.

What time are sunrise and sunset in May in Medford?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:41 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10.5h.

How high is the UV index in May?

In Medford, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Medford, OR

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in May - Medford, OR
  • Average daylight in May: 14h and 4min

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 3min

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 - 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 - 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 - 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 - 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).

Medford, Oregon, USA

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