May weather forecast
Thomaston, ME

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Weather in May

May, the last month of the spring in Thomaston, is a cool month, with an average temperature ranging between max 54.1°F (12.3°C) and min 46.2°F (7.9°C).

Temperature

The onset of May introduces a subtle rise in the average high-temperature, nudging from a chilly 45.9°F (7.7°C) in April to a fresh 54.1°F (12.3°C). An average low-temperature of 46.2°F (7.9°C) characterizes Thomaston's May nights.

Humidity

In Thomaston, the average relative humidity in May is 83%.

Rainfall

In Thomaston, in May, it is raining for 15.3 days, with typically 2.36" (60mm) of accumulated precipitation. In Thomaston, during the entire year, the rain falls for 144.8 days and collects up to 30.63" (778mm) of precipitation.

Snowfall

May through October are months without snowfall.

Ocean temperature

In May, the average ocean temperature in Thomaston, Maine, is 45.1°F (7.3°C).
Note: Dipping into 45.1°F (7.3°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.

Daylight

In Thomaston, the average length of the day in May is 14h and 47min.
On the first day of the month, sunrise is at 5:26 am and sunset at 7:40 pm. On the last day of May, sunrise is at 4:56 am and sunset at 8:12 pm EDT.

Sunshine

The average sunshine in May in Thomaston is 8.1h.

UV index

In Thomaston, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 4 in May leads to these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are May temperatures in Thomaston?

The high-temperature, in May, in Thomaston, is 54.1°F (12.3°C), while the low-temperature averages to 46.2°F (7.9°C).

What is the average humidity in May in Thomaston?

In May, the average relative humidity is 83%.

How many days does it rain in May in Thomaston?

In Thomaston, Maine, during May, the rain falls for 15.3 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow in Thomaston?

May through October are months without snowfall in Thomaston.

Does it snow in Thomaston in May?

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

What is the ocean temperature in May in Thomaston?

In Thomaston, Maine, the average seawater temperature in May is 45.1°F (7.3°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 Thomaston have in May?

The average day length in May in Thomaston is 14h and 47min.

When are sunrise and sunset in May in Thomaston?

In May, on the first day of the month, sunrise is at 5:26 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:12 pm EDT.

How many hours of sunshine does Thomaston have in May?

In May, the average sunshine duration is 8.1h.

What is the UV index reading in May in Thomaston?

The average daily maximum UV index in May in Thomaston, Maine, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Thomaston, ME

Average temperature in May - Thomaston, ME
  • Average high temperature in May: 54.1°F

The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in May
Thomaston, ME

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

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Thomaston, ME

Average wind speed in May - Thomaston, ME
  • Average wind speed in May: 10mph

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).

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Average humidity in May
Thomaston, ME

Average humidity in May - Thomaston, ME
  • Average humidity in May: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in May
Thomaston, ME

Average rainfall in May - Thomaston, ME
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in May
Thomaston, ME

Average rainfall days in May - Thomaston, ME
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in May
Thomaston, ME

Average snowfall in May - Thomaston, ME
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Thomaston, ME

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

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in May
Thomaston, ME

Average sea temperature in May - Thomaston, ME
  • Average sea temperature in May: 45.1°F

The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).

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

Average daylight in May / Average sunshine in May - Thomaston, ME
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 1min

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

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Average sunshine days in May
Thomaston, ME

Average sunshine days in May - Thomaston, ME
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).

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Average UV index in May
Thomaston, ME

Average UV index in May - Thomaston, ME
  • 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, March, November and December (UV index 2).

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Average cloud cover in May
Thomaston, ME

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
Thomaston, ME

Average visibility in May - Thomaston, 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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Thomaston, Maine, USA

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