May weather forecast
Monroe, OR

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Weather in May

The last month of the spring, May, is a comfortable month in Monroe, Oregon, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 65.5°F (18.6°C).

Temperature

In May, the average high-temperature marginally rises from a moderate 57.7°F (14.3°C) in April to an enjoyable 65.5°F (18.6°C). Monroe documents a substantial shift from daytime warmth, recording an average nighttime temperature of 41.2°F (5.1°C) in May.

Humidity

In May, the average relative humidity in Monroe is 78%.

Rainfall

In Monroe, in May, it is raining for 13.1 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 161.8 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May in Monroe is 14h and 49min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:49 pm PDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

In May, the average daily maximum UV index in Monroe is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are the temperatures in Monroe in May?

In Monroe, 65.5°F (18.6°C) is the average high-temperature and 41.2°F (5.1°C) is the average low-temperature during May.

What is the average humidity in May in Monroe?

The average relative humidity in May in Monroe, Oregon, is 78%.

How much does it rain in Monroe in May?

In Monroe, in May, it is raining for 13.1 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow in Monroe?

April through October are months without snowfall in Monroe.

How many hours of daylight does Monroe have in May?

The average day length in May in Monroe is 14h and 49min.

What time are sunrise and sunset in May in Monroe?

On the first day of May in Monroe, sunrise is at 6:02 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:49 pm PDT.

How long on average sun shines in May in Monroe?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May in Monroe?

In Monroe, Oregon, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Monroe, OR

Average temperature in May - Monroe, OR
  • Average high temperature in May: 65.5°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).

  • Average low temperature in May: 41.2°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

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Average pressure in May
Monroe, OR

Average pressure in May - Monroe, 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
Monroe, OR

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

The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

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Average humidity in May
Monroe, OR

Average humidity in May - Monroe, OR
  • Average humidity in May: 78%

The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in May
Monroe, OR

Average rainfall in May - Monroe, OR
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in May
Monroe, OR

Average rainfall days in May - Monroe, OR
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).

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Average snowfall in May
Monroe, OR

Average snowfall in May - Monroe, 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
Monroe, OR

Average snowfall days in May - Monroe, 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
Monroe, OR

Average daylight in May / Average sunshine in May - Monroe, 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: 8h and 3min

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 0min).

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Average sunshine days in May
Monroe, OR

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

The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).

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Average UV index in May
Monroe, OR

Average UV index in May - Monroe, 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
Monroe, OR

Average cloud cover in May - Monroe, OR
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in May
Monroe, OR

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

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

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Monroe, Oregon, USA

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