May weather forecast
Molalla, OR

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Weather in May

May, the last month of the spring in Molalla, is an enjoyable month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 64°F (17.8°C).

Temperature

The shift from April to May sees a slight increase in the average high-temperature, transitioning from a mild 55.9°F (13.3°C) to a comfortable 64°F (17.8°C). In May, the temperature registers a significant dip to an average of 41.7°F (5.4°C) at night.

Humidity

In Molalla, the average relative humidity in May is 76%.

Rainfall

In May, in Molalla, the rain falls for 14.1 days. Throughout May, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Molalla, there are 175.6 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May in Molalla is 14h and 53min.
On the first day of May in Molalla, sunrise is at 5:57 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:50 pm PDT.

Sunshine

The average sunshine in May in Molalla is 8.5h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 4 during May translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the average May temperature in Molalla?

The average high-temperature, in May, in Molalla, is 64°F (17.8°C), while the average low-temperature is 41.7°F (5.4°C).

What is the average humidity in May in Molalla?

In May, the average relative humidity in Molalla is 76%.

How many days does it rain in May in Molalla?

In May, in Molalla, the rain falls for 14.1 days. Throughout May, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Molalla?

May through October are months without snowfall in Molalla.

Does it snow in Molalla in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

The average day length in May is 14h and 53min.

When is the sunrise / sunset in May in Molalla?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 8:16 pm. On the last day of the month, in Molalla, sunrise is at 5:26 am and sunset at 8:50 pm PDT.

How many hours of sunshine does Molalla have in May?

The average sunshine duration in May in Molalla is 8.5h.

How high is the UV index in May in Molalla?

In Molalla, 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 unsafe 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
Molalla, OR

Average temperature in May - Molalla, OR
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in May: 41.7°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 (33.3°F).

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Average pressure in May
Molalla, OR

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in May
Molalla, OR

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

The windiest month (with the highest average wind speed) is January (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in May
Molalla, OR

Average humidity in May - Molalla, OR
  • Average humidity in May: 76%

The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in May
Molalla, OR

Average rainfall in May - Molalla, OR
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is December (5.39").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in May
Molalla, OR

Average rainfall days in May - Molalla, OR
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is July (4.8 days).

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Average snowfall in May
Molalla, OR

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

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Molalla, OR

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

The month with the highest number of snowfall days is February (2.9 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
Molalla, OR

Average daylight in May / Average sunshine in May - Molalla, 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 3min

The months with the most sunshine are July and 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
Molalla, OR

Average sunshine days in May - Molalla, OR
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.2 days).

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Average UV index in May
Molalla, OR

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

The months with the highest UV index are June, July and August (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
Molalla, OR

Average cloud cover in May - Molalla, OR
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in May
Molalla, OR

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

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

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Molalla, Oregon, USA

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