May weather forecast
Aurora, OR

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Weather in May

The last month of the spring, May, is a comfortable month in Aurora, Oregon, with an average temperature varying between 43.2°F (6.2°C) and 66°F (18.9°C).

Temperature

The beginning of May signals a minor rise in the average high-temperature, moving from a mild 58.1°F (14.5°C) in April to an enjoyable 66°F (18.9°C). The average low-temperature reading in May for Aurora reflects a significant fall from the daytime highs, stabilizing at a frosty 43.2°F (6.2°C).

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, in Aurora, the rain falls for 14.3 days. Throughout May, 1.73" (44mm) of precipitation is accumulated. In Aurora, during the entire year, the rain falls for 173.8 days and collects up to 29.96" (761mm) of precipitation.

Snowfall

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

Daylight

In Aurora, the average length of the day in May is 14h and 54min.
On the first day of May, sunrise is at 5:58 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:51 pm PDT.

Sunshine

The average sunshine in May in Aurora is 8.8h.

UV index

In Aurora, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in May transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are May temperatures in Aurora?

In May, the average high-temperature and low-temperature in Aurora are 66°F (18.9°C) and 43.2°F (6.2°C) respectively.

What is the average humidity in May in Aurora?

In May, the average relative humidity is 75%.

How much does it rain in Aurora in May?

In Aurora, Oregon, in May, during 14.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Aurora?

In Aurora, Oregon, snow does not fall in April through October.

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

The average day length in May in Aurora, Oregon, is 14h and 54min.

When are sunrise and sunset in May in Aurora?

On the first day of May in Aurora, sunrise is at 5:58 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:51 pm PDT.

How long on average sun shines in May in Aurora?

In Aurora, the average sunshine duration in May is 8.8h.

What is the UV index intensity in May in Aurora?

In Aurora, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Aurora, OR

Average temperature in May - Aurora, OR
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in May: 43.2°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).

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Average pressure in May
Aurora, OR

Average pressure in May - Aurora, OR
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in May
Aurora, OR

Average wind speed in May - Aurora, OR
  • Average wind speed in May: 4.2mph

The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in May
Aurora, OR

Average humidity in May - Aurora, OR
  • Average humidity in May: 75%

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in May
Aurora, OR

Average rainfall in May - Aurora, OR
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").

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Average rainfall days in May
Aurora, OR

Average rainfall days in May - Aurora, OR
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).

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Average snowfall in May
Aurora, OR

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

The month with the highest snowfall is February (1.26").
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
Aurora, OR

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Aurora, OR

Average sunshine days in May - Aurora, OR
  • Average sunshine days in May: 15.6 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).

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Average UV index in May
Aurora, OR

Average UV index in May - Aurora, 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
Aurora, OR

Average cloud cover in May - Aurora, OR
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in May
Aurora, OR

Average visibility in May - Aurora, OR
  • Average visibility in May: 5mi

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

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Aurora, Oregon, USA

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