May weather forecast
Union Creek, OR

Share

Weather in May

May, the last month of the spring in Union Creek, is a moderate month, with an average temperature varying between 35.4°F (1.9°C) and 56.1°F (13.4°C).

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from a chilly 46.4°F (8°C) to a moderate 56.1°F (13.4°C). Nighttime temperature in Union Creek lowers to an average of 35.4°F (1.9°C) in May.

Humidity

The average relative humidity in May is 73%.

Rainfall

In Union Creek, in May, during 13.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Union Creek, there are 91.3 rainfall days, and 32.95" (837mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Union Creek, Oregon, in May, during 8.3 snowfall days, 9.49" (241mm) of snow is typically accumulated. In Union Creek, during the entire year, snow falls for 133.6 days and aggregates up to 201.38" (5115mm) of snow.

Daylight

In May, the average length of the day is 14h and 40min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of May, in Union Creek, sunrise is at 5:33 am and sunset at 8:41 pm PDT.

Sunshine

In Union Creek, the average sunshine in May is 9.8h.

UV index

In May, the average daily maximum UV index in Union Creek is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 3 in May translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
[Resources]

Frequently asked questions

What is the temperature in May in Union Creek?

In May, the average high-temperature and low-temperature are 56.1°F (13.4°C) and 35.4°F (1.9°C) respectively.

What is the average humidity in May in Union Creek?

In Union Creek, the average relative humidity in May is 73%.

How many days does it rain in May in Union Creek?

In Union Creek, Oregon, in May, during 13.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

How many days does it snow in May in Union Creek?

In Union Creek, Oregon, in May, snow falls for 8.3 days, with typically accumulated 9.49" (241mm) of snow.

How many hours of daylight does Union Creek have in May?

The average day length in May in Union Creek is 14h and 40min.

What time are sunrise and sunset in May in Union Creek?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:41 pm PDT.

How many hours of sunshine does Union Creek have in May?

In May, the average sunshine duration is 9.8h.

How high is the UV index in May in Union Creek?

In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Union Creek, OR

Average temperature in May - Union Creek, OR
  • Average high temperature in May: 56.1°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (34.9°F).

  • Average low temperature in May: 35.4°F

The month with the highest average low temperature is August (46.8°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).

[Resources]

Average pressure in May
Union Creek, OR

Average pressure in May - Union Creek, OR
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).

[Resources]

Average wind speed in May
Union Creek, OR

Average wind speed in May - Union Creek, OR
  • Average wind speed in May: 5.3mph

The windiest months (with the highest average wind speed) are January, February and March (6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

[Resources]

Average humidity in May
Union Creek, OR

Average humidity in May - Union Creek, OR
  • Average humidity in May: 73%

The months with the highest relative humidity are January, February and March (87%).
The months with the lowest relative humidity are July and August (57%).

[Resources]

Average rainfall in May
Union Creek, OR

Average rainfall in May - Union Creek, OR
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is January (5.28").
The driest month (with the least rainfall) is July (0.39").

[Resources]

Average rainfall days in May
Union Creek, OR

Average rainfall days in May - Union Creek, OR
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (4.3 days).

[Resources]

Average snowfall in May
Union Creek, OR

Average snowfall in May - Union Creek, OR
  • Average snowfall in May: 9.49"

The month with the highest snowfall is December (39.72").
The months with the least snowfall are July and August (0").

[Resources]

Average snowfall days in May
Union Creek, OR

Average snowfall days in May - Union Creek, OR
  • Average snowfall days in May: 8.3 days

The month with the highest number of snowfall days is March (21.5 days).
The month with the least snowfall days is August (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Union Creek, OR

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

[Resources]

Average sunshine days in May
Union Creek, OR

Average sunshine days in May - Union Creek, OR
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (8.3 days).

[Resources]

Average UV index in May
Union Creek, OR

Average UV index in May - Union Creek, OR
  • Average UV index in May: 3

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).

[Resources]

Average cloud cover in May
Union Creek, OR

Average cloud cover in May - Union Creek, OR
  • Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).

[Resources]

Average visibility in May
Union Creek, OR

Average visibility in May - Union Creek, OR
  • Average visibility in May: 5mi

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

[Resources]

Union Creek, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location