May weather forecast
Philomath, OR

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Weather in May

May, the last month of the spring in Philomath, is a refreshing month, with an average temperature varying between 41.5°F (5.3°C) and 64.6°F (18.1°C).

Temperature

The coming of May brings a minor shift in Philomath's weather, with average high-temperatures adjusting from April's moderate 56.8°F (13.8°C) to an enjoyable 64.6°F (18.1°C). Philomath's average low-temperature of 41.5°F (5.3°C) in May reflects a considerable decline from the daytime peak.

Humidity

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

Rainfall

In Philomath, Oregon, during May, the rain falls for 13.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Philomath, during the entire year, the rain falls for 169.8 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

April through October are months without snowfall in Philomath.

Daylight

The average length of the day in May is 14h and 50min.
On the first day of May, sunrise is at 6:02 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:50 pm PDT.

Sunshine

The average sunshine in May in Philomath is 7.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 during May translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the temperature in May in Philomath?

The high-temperature during May is 64.6°F (18.1°C) and the low-temperature is 41.5°F (5.3°C).

What is the average humidity in May in Philomath?

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

How many days does it rain in May in Philomath?

In Philomath, during May, the rain falls for 13.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Philomath?

April through October are months without snowfall in Philomath.

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

In Philomath, Oregon, the average day length in May is 14h and 50min.

What time are sunrise and sunset in May in Philomath?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:18 pm. On the last day of the month, in Philomath, sunrise is at 5:31 am and sunset at 8:50 pm PDT.

How many hours of sunshine does Philomath have in May?

In May, the average sunshine duration in Philomath is 7.6h.

What is the UV index intensity in May in Philomath?

The average daily maximum UV index in May in Philomath, Oregon, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Philomath, OR

Average temperature in May - Philomath, OR
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in May: 41.5°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).

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Average pressure in May
Philomath, OR

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in May
Philomath, OR

Average wind speed in May - Philomath, OR
  • Average wind speed in May: 4.3mph

The windiest months (with the highest average wind speed) are March and April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in May
Philomath, OR

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

The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are July and August (71%).

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Average rainfall in May
Philomath, OR

Average rainfall in May - Philomath, OR
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in May
Philomath, OR

Average rainfall days in May - Philomath, OR
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).

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Average snowfall in May
Philomath, OR

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

The month with the highest snowfall is February (1.81").
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
Philomath, OR

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

The month with the highest number of snowfall days is February (2 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
Philomath, OR

Average daylight in May / Average sunshine in May - Philomath, OR
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in May
Philomath, OR

Average sunshine days in May - Philomath, OR
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in May
Philomath, OR

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

The months with the highest UV index are June and 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
Philomath, OR

Average cloud cover in May - Philomath, OR
  • Average cloud cover in May: 55

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Philomath, OR

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

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

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Philomath, Oregon, USA

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