May weather forecast
Orleans, MA

Weather in May

The last month of the spring, May, is a fresh month in Orleans, Massachusetts, with average temperature ranging between min 50.4°F (10.2°C) and max 54.5°F (12.5°C).

Temperature

In Orleans, the average high-temperature in May marginally rises, from a chilly 46.9°F (8.3°C) in April, to a fresh 54.5°F (12.5°C). The average low-temperature, in Orleans, is 50.4°F (10.2°C).

Humidity

The average relative humidity is 84%.

Rainfall

In May, the rain falls for 7.4 days. Throughout May, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Orleans, there are 78.2 rainfall days, and 5.75" (146mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in Orleans is 14.6h.

Sunshine

In Orleans, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in Orleans is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in May in Orleans?

The average relative humidity in May in Orleans, Massachusetts, is 84%.

How much does it rain in Orleans in May?

In Orleans, in May, during 7.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in Orleans?

In Orleans, Massachusetts, snow does not fall in April through October.

How many hours of daylight does Orleans have in May?

The average length of the day in May in Orleans is 14.6h.

How long on average sun shines in May in Orleans?

In Orleans, the average sunshine in May is 8.4h.

What is the UV index intensity in May in Orleans?

The average daily maximum UV index in May in Orleans, Massachusetts, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Orleans, MA

Average temperature in May - Orleans, MA
  • Average high temperature in May: 12.5°C

The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in May: 10.2°C

The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

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Average pressure in May
Orleans, MA

Average pressure in May - Orleans, MA
  • Average pressure in May: 1016.5mbar

The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

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Average wind speed in May
Orleans, MA

Average wind speed in May - Orleans, MA
  • Average wind speed in May: 21km/h

The windiest month (with the highest average wind speed) is January (29.4km/h).
The calmest month (with the lowest average wind speed) is August (18.3km/h).

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Average humidity in May
Orleans, MA

Average humidity in May - Orleans, MA
  • Average humidity in May: 84%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in May
Orleans, MA

Average rainfall in May - Orleans, MA
  • Average rainfall in May: 10mm

The wettest month (with the highest rainfall) is October (22mm).
The driest months (with the least rainfall) are July and August (7mm).

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Average rainfall days in May
Orleans, MA

Average rainfall days in May - Orleans, MA
  • Average rainfall days in May: 7.4 days

The month with the highest number of rainy days is April (8.2 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in May
Orleans, MA

Average snowfall in May - Orleans, MA
  • Average snowfall in May: 0mm

The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in May
Orleans, MA

Average snowfall days in May - Orleans, MA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.7 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
Orleans, MA

Average daylight in May / Average sunshine in May - Orleans, MA
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.4h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 4.3h).

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Average sunshine days in May
Orleans, MA

Average sunshine days in May - Orleans, MA
  • Average sunshine days in May: 20 days

The month with the most sunshine days is September (23.4 days).
The month with the least sunshine days is February (19.8 days).

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Average UV index in May
Orleans, MA

Average UV index in May - Orleans, MA
  • Average UV index in May: 4

The months with the highest UV index are July and August (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
Orleans, MA

Average cloud cover in May - Orleans, MA
  • Average cloud cover in May: 44

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Orleans, MA

Average visibility in May - Orleans, MA
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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