May weather forecast
Warrenton, OR

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Weather in May

The last month of the spring, May, is a mild month in Warrenton, Oregon, with an average temperature fluctuating between 46.9°F (8.3°C) and 57.2°F (14°C).

Temperature

The transition from April to May brings an average high-temperature of a mild 57.2°F (14°C), barely different from April's 52.2°F (11.2°C). During May, the nighttime temperature averages to a chilly 46.9°F (8.3°C).

Humidity

With an average relative humidity of 81%, May is the least humid month.

Rainfall

In Warrenton, in May, it is raining for 13.5 days, with typically 1.93" (49mm) of accumulated precipitation. In Warrenton, during the entire year, the rain falls for 191.4 days and collects up to 40.39" (1026mm) of precipitation.

Snowfall

April through August, October and November are months without snowfall in Warrenton.

Daylight

The average length of the day in May in Warrenton is 15h and 0min.
On the first day of May in Warrenton, Oregon, sunrise is at 6:00 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:59 pm PDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 4 during May translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What are May temperatures in Warrenton?

The high-temperature, in May, in Warrenton, is 57.2°F (14°C), while the low-temperature averages to 46.9°F (8.3°C).

What is the least humid month in Warrenton?

The least humid month in Warrenton, Oregon, is May, with an average relative humidity of 81%.

What is the average humidity in May in Warrenton?

The average relative humidity in May in Warrenton is 81%.

How many days does it rain in May in Warrenton?

In Warrenton, in May, it is raining for 13.5 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Warrenton?

In Warrenton, snow does not fall in April through August, October and November.

What is the average length of the day in May in Warrenton?

The average day length in May in Warrenton, Oregon, is 15h and 0min.

What time are sunrise and sunset in May in Warrenton?

On the first day of May in Warrenton, sunrise is at 6:00 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:59 pm PDT.

How many hours of sunshine does Warrenton have in May?

The average sunshine duration in May in Warrenton, Oregon, is 8.4h.

What is the UV index intensity in May in Warrenton?

In May, the average daily maximum UV index in Warrenton, Oregon, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Warrenton, OR

Average temperature in May - Warrenton, OR
  • Average high temperature in May: 57.2°F

The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is August (54.5°F).
The coldest months (with the lowest average low temperature) are February and December (39.9°F).

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Average pressure in May
Warrenton, OR

Average pressure in May - Warrenton, OR
  • Average pressure in May: 30.06"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).

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Average wind speed in May
Warrenton, OR

Average wind speed in May - Warrenton, OR
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in May
Warrenton, OR

Average humidity in May - Warrenton, OR
  • Average humidity in May: 81%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is May (81%).

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Average rainfall in May
Warrenton, OR

Average rainfall in May - Warrenton, OR
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is December (6.54").
The driest month (with the least rainfall) is July (0.51").

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Average rainfall days in May
Warrenton, OR

Average rainfall days in May - Warrenton, OR
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (7.1 days).

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Average snowfall in May
Warrenton, OR

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

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, October and November (0").

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Average snowfall days in May
Warrenton, OR

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

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in May / Average sunshine in May - Warrenton, OR
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Warrenton, OR

Average sunshine days in May - Warrenton, OR
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is August (20.5 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index in May
Warrenton, OR

Average UV index in May - Warrenton, OR
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
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
Warrenton, OR

Average cloud cover in May - Warrenton, OR
  • Average cloud cover in May: 48

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in May
Warrenton, OR

Average visibility in May - Warrenton, OR
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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Warrenton, Oregon, USA

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