May weather forecast
Roseburg, OR

Weather in May

The last month of the spring, May, is an enjoyable month in Roseburg, Oregon, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 64.9°F (18.3°C).

Temperature

In Roseburg, Oregon, the average high-temperature in May slightly increases from a mild 57.2°F (14°C) in April to a comfortable 64.9°F (18.3°C). The average low-temperature, is 39°F (3.9°C).

Humidity

In Roseburg, the average relative humidity in May is 79%.

Rainfall

In Roseburg, it is raining for 9.4 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Roseburg, there are 105 rainfall days, and 9.57" (243mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 42min.
On the first day of May in Roseburg, sunrise is at 6:06 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:45 pm PDT.

Sunshine

In May, the average sunshine in Roseburg is 8.5h.

UV index

The average daily maximum UV index in May in Roseburg is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Roseburg?

In May, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 39°F (3.9°C).

What is the average humidity in May in Roseburg?

In May, the average relative humidity in Roseburg is 79%.

How many days does it rain in May in Roseburg?

In Roseburg, Oregon, during May, the rain falls for 9.4 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Roseburg?

April through October are months without snowfall.

How many hours of daylight does Roseburg have in May?

The average day length in May is 14h and 42min.

What time are sunrise and sunset in May in Roseburg?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 8:14 pm. On the last day of the month, in Roseburg, sunrise is at 5:36 am and sunset at 8:45 pm PDT.

How many hours of sunshine does Roseburg have in May?

The average sunshine duration in May in Roseburg, Oregon, is 8.5h.

How high is the UV index in May in Roseburg?

In Roseburg, Oregon, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Roseburg, OR

Average temperature in May - Roseburg, OR
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (45.9°F).

  • Average low temperature in May: 39°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure in May
Roseburg, OR

Average pressure in May - Roseburg, OR
  • Average pressure in May: 30.04"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in May
Roseburg, OR

Average wind speed in May - Roseburg, OR
  • Average wind speed in May: 3.7mph

The windiest months (with the highest average wind speed) are January and March (3.9mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).

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Average humidity in May
Roseburg, OR

Average humidity in May - Roseburg, OR
  • Average humidity in May: 79%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).

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Average rainfall in May
Roseburg, OR

Average rainfall in May - Roseburg, OR
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in May
Roseburg, OR

Average rainfall days in May - Roseburg, OR
  • Average rainfall days in May: 9.4 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (3.1 days).

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Average snowfall in May
Roseburg, OR

Average snowfall in May - Roseburg, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is November (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Roseburg, OR

Average snowfall days in May - Roseburg, OR
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Roseburg, OR

Average daylight in May / Average sunshine in May - Roseburg, OR
  • Average daylight in May: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

  • Average sunshine in May: 8h and 30min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days in May
Roseburg, OR

Average sunshine days in May - Roseburg, OR
  • Average sunshine days in May: 18.9 days

The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is February (14.6 days).

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Average UV index in May
Roseburg, OR

Average UV index in May - Roseburg, 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).

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Average cloud cover in May
Roseburg, OR

Average cloud cover in May - Roseburg, OR
  • Average cloud cover in May: 50

The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in May
Roseburg, OR

Average visibility in May - Roseburg, OR
  • Average visibility in May: 4mi

The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).

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