May weather forecast
Terrebonne, OR

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Weather in May

The last month of the spring, May, is a refreshing month in Terrebonne, Oregon, with an average temperature ranging between max 63°F (17.2°C) and min 41.5°F (5.3°C).

Temperature

May sees a temperature increase, moving from a cool 53.4°F (11.9°C) in April to an enjoyable 63°F (17.2°C). Terrebonne observes an average nighttime temperature of 41.5°F (5.3°C) during May.

Humidity

The average relative humidity in May in Terrebonne is 59%.

Rainfall

In Terrebonne, during May, the rain falls for 12.6 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Terrebonne, Oregon, there are 125.1 rainfall days, and 12.48" (317mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows in Terrebonne. During 0.7 snowfall days, in May, Terrebonne aggregates 0.08" (2mm) of snow. Throughout the year, in Terrebonne, there are 51.4 snowfall days, and 24.53" (623mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:09 pm. On the last day of May, in Terrebonne, sunrise is at 5:23 am and sunset at 8:41 pm PDT.

Sunshine

In Terrebonne, the average sunshine in May is 11.1h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 4 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are May temperatures in Terrebonne?

In Terrebonne, in May, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 41.5°F (5.3°C).

What is the average humidity in May in Terrebonne?

The average relative humidity in May is 59%.

How many days does it rain in May in Terrebonne?

In May, in Terrebonne, the rain falls for 12.6 days. Throughout May, 1.1" (28mm) of precipitation is accumulated.

What is the last month it snows in Terrebonne?

May is the last month it regularly snows in Terrebonne. During 0.7 snowfall days, in May, Terrebonne aggregates 0.08" (2mm) of snow.

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

In May, the average day length is 14h and 49min.

When are sunrise and sunset in May in Terrebonne?

On the first day of May in Terrebonne, sunrise is at 5:54 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:41 pm PDT.

How many hours of sunshine does Terrebonne have in May?

The average sunshine duration in May is 11.1h.

What is the UV index reading in May in Terrebonne?

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Terrebonne, OR

Average temperature in May - Terrebonne, OR
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (37°F).

  • Average low temperature in May: 41.5°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

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Average pressure in May
Terrebonne, OR

Average pressure in May - Terrebonne, OR
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).

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Average wind speed in May
Terrebonne, OR

Average wind speed in May - Terrebonne, OR
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

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Average humidity in May
Terrebonne, OR

Average humidity in May - Terrebonne, OR
  • Average humidity in May: 59%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (47%).

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Average rainfall in May
Terrebonne, OR

Average rainfall in May - Terrebonne, OR
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in May
Terrebonne, OR

Average rainfall days in May - Terrebonne, OR
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in May
Terrebonne, OR

Average snowfall in May - Terrebonne, OR
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Terrebonne, OR

Average snowfall days in May - Terrebonne, OR
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is December (12.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Terrebonne, 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: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in May
Terrebonne, OR

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

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (10.2 days).

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Average UV index in May
Terrebonne, OR

Average UV index in May - Terrebonne, 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, March, November and December (UV index 2).

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Average cloud cover in May
Terrebonne, OR

Average cloud cover in May - Terrebonne, OR
  • Average cloud cover in May: 28

The month with the most cloud cover is December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in May
Terrebonne, OR

Average visibility in May - Terrebonne, OR
  • Average visibility in May: 6mi

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

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Terrebonne, Oregon, USA

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