May weather forecast
Woolwich, ME

Weather in May

The last month of the spring, May, is a moderate month in Woolwich, Maine, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 46°F (7.8°C).

Temperature

In May, the average high-temperature increases, from a chilly 48.9°F (9.4°C) in April, to a moderate 58.6°F (14.8°C). In May, the average low-temperature is 46°F (7.8°C).

Humidity

In May, the average relative humidity is 81%.

Rainfall

In Woolwich, in May, it is raining for 15 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 147.2 rainfall days, and 31.34" (796mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Woolwich. May is the last month it regularly snows. During 0.1 snowfall days, Woolwich aggregates 0.16" (4mm) of snow. In Woolwich, Maine, during the entire year, snow falls for 40.2 days, and aggregates up to 18.82" (478mm) of snow.

Ocean temperature

In Woolwich, the average water temperature is 46°F (7.8°C).
Note: Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In May, the average length of the day is 14.8h.

Sunshine

In May, the average sunshine in Woolwich is 8.2h.

UV index

The average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Woolwich?

The average relative humidity in May in Woolwich, Maine, is 81%.

How much does it rain in Woolwich in May?

In Woolwich, Maine, in May, it is raining for 15 days, with typically 2.28" (58mm) of accumulated precipitation.

What is the last month it snows in Woolwich?

May is the last month it regularly snows in Woolwich, Maine. During 0.1 snowfall days, in May, Woolwich aggregates 0.16" (4mm) of snow.

What is the water temperature in May in Woolwich?

In May, the average ocean temperature is 46°F (7.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Woolwich have in May?

In May, the average length of the day is 14.8h.

How long on average sun shines in May in Woolwich?

The average sunshine in May in Woolwich, Maine, is 8.2h.

What is the UV index reading in May in Woolwich?

The average daily maximum UV index in May in Woolwich, Maine, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in May
Woolwich, ME

Average temperature in May - Woolwich, ME
  • Average high temperature in May: 58.6°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in May
Woolwich, ME

Average pressure in May - Woolwich, ME
  • Average pressure in May: 29.99"

Months with the highest atmospheric pressure are September and November (30.04").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Woolwich, ME

Average wind speed in May - Woolwich, ME
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in May
Woolwich, ME

Average humidity in May - Woolwich, ME
  • Average humidity in May: 81%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in May
Woolwich, ME

Average rainfall in May - Woolwich, ME
  • Average rainfall in May: 2.28"

The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in May
Woolwich, ME

Average rainfall days in May - Woolwich, ME
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in May
Woolwich, ME

Average snowfall in May - Woolwich, ME
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (4.53").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Woolwich, ME

Average snowfall days in May - Woolwich, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (10.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Woolwich, ME

Average sea temperature in May - Woolwich, ME
  • Average sea temperature in May: 45.9°F

The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is March (37.9°F).

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Average daylight in May /
Average sunshine in May
Woolwich, ME

Average daylight in May / Average sunshine in May - Woolwich, ME
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in May: 8.2h

The month with the most sunshine is August (Average sunshine: 10.4h).
Months with the least sunshine are February and December (Average sunshine: 4.6).

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Average sunshine days in May
Woolwich, ME

Average sunshine days in May - Woolwich, ME
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).

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Average UV index in May
Woolwich, ME

Average UV index in May - Woolwich, ME
  • Average UV index in May: 4

Months with the highest UV index are June, July and August (UV index 5).
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
Woolwich, ME

Average cloud cover in May - Woolwich, ME
  • Average cloud cover in May: 47

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
Woolwich, ME

Average visibility in May - Woolwich, ME
  • Average visibility in May: 6mi

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

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