May weather forecast
Philomath, OR

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Weather in May

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

Temperature

As April transitions into May, Philomath notices a gentle rise in the average high-temperature, transitioning from a mild 56.8°F (13.8°C) to a comfortable 64.6°F (18.1°C). Marked by a significant drop from the daytime highs, Philomath's average low-temperature in May stands at a wintry 41.5°F (5.3°C).

Humidity

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

Rainfall

In May, the rain falls for 13.3 days. Throughout May, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 169.8 rainfall days, and 34.02" (864mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Philomath.

Daylight

In Philomath, 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 in Philomath is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Philomath experiences an average high-temperature of 64.6°F (18.1°C) and a low-temperature of 41.5°F (5.3°C).

What is the average humidity in May?

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

How many days does it rain in May?

In Philomath, in May, it is raining for 13.3 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Philomath?

In Philomath, snow does not fall in April through October.

What is the average length of the day in May?

The average day length in May is 14h and 50min.

When are sunrise and sunset in May?

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, sunrise is at 5:31 am and sunset at 8:50 pm PDT.

How many hours of sunshine does Philomath have in May?

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

What is the UV index reading in May?

In Philomath, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Philomath, Oregon, USA

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