May weather forecast
South Sanford, ME

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Weather in May

The last month of the spring, May, is a comfortable month in South Sanford, Maine, with an average temperature ranging between max 61.3°F (16.3°C) and min 46°F (7.8°C).

Temperature

As April transitions into May, a change in temperatures is observed, with average highs moving from a fresh 50.5°F (10.3°C) to a comfortable 61.3°F (16.3°C). South Sanford observes an average low-temperature of 46°F (7.8°C) during May.

Humidity

In South Sanford, the average relative humidity in May is 79%.

Rainfall

In South Sanford, in May, it is raining for 12.9 days, with typically 1.38" (35mm) of accumulated precipitation. In South Sanford, during the entire year, the rain falls for 118.9 days and collects up to 14.61" (371mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in South Sanford. May is the last month it regularly snows. During 0.1 snowfall days, in May, South Sanford aggregates 0.24" (6mm) of snow. Throughout the year, in South Sanford, there are 31.7 snowfall days, and 10.51" (267mm) of snow is accumulated.

Daylight

In South Sanford, the average length of the day in May is 14h and 43min.
On the first day of the month, sunrise is at 5:34 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:05 am and sunset at 8:16 pm EDT.

Sunshine

The average sunshine in May in South Sanford is 8.2h.

UV index

The average daily maximum UV index in May in South Sanford is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average May temperature in South Sanford?

During May, South Sanford experiences an average high-temperature of 61.3°F (16.3°C) and a low-temperature of 46°F (7.8°C).

What is the average humidity in May in South Sanford?

In May, the average relative humidity in South Sanford, Maine, is 79%.

How many days does it rain in May in South Sanford?

In May, the rain falls for 12.9 days. Throughout May, 1.38" (35mm) of precipitation is accumulated.

What is the last month it snows in South Sanford?

May is the last month it regularly snows. During 0.1 snowfall days, in May, South Sanford aggregates 0.24" (6mm) of snow.

How many hours of daylight does South Sanford have in May?

In South Sanford, Maine, the average day length in May is 14h and 43min.

What time are sunrise and sunset in May in South Sanford?

In May, on the first day of the month, sunrise is at 5:34 am and sunset at 7:45 pm. On the last day of the month, in South Sanford, sunrise is at 5:05 am and sunset at 8:16 pm EDT.

How many hours of sunshine does South Sanford have in May?

In South Sanford, the average sunshine duration in May is 8.2h.

What is the UV index intensity in May in South Sanford?

In South Sanford, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
South Sanford, ME

Average temperature in May - South Sanford, ME
  • Average high temperature in May: 61.3°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in May
South Sanford, ME

Average pressure in May - South Sanford, ME
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
South Sanford, ME

Average wind speed in May - South Sanford, ME
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in May
South Sanford, ME

Average humidity in May - South Sanford, ME
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April and November (76%).

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Average rainfall in May
South Sanford, ME

Average rainfall in May - South Sanford, ME
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in May
South Sanford, ME

Average rainfall days in May - South Sanford, ME
  • Average rainfall days in May: 12.9 days

The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in May
South Sanford, ME

Average snowfall in May - South Sanford, ME
  • Average snowfall in May: 0.24"

The month with the highest snowfall is December (2.83").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
South Sanford, ME

Average snowfall days in May - South Sanford, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
South Sanford, ME

Average daylight in May / Average sunshine in May - South Sanford, ME
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in May
South Sanford, ME

Average sunshine days in May - South Sanford, ME
  • Average sunshine days in May: 16.2 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.2 days).

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Average UV index in May
South Sanford, ME

Average UV index in May - South Sanford, ME
  • Average UV index in May: 5

The month with the highest UV index is 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
South Sanford, ME

Average cloud cover in May - South Sanford, ME
  • Average cloud cover in May: 46

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
South Sanford, ME

Average visibility in May - South Sanford, ME
  • Average visibility in May: 6mi

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

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South Sanford, Maine, USA

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