May weather forecast
Bethel, ME

A wooden closed bridge with beautiful yellow and green trees on both sides in Bethel, Maine
A wooden closed bridge with beautiful yellow and green trees on both sides in Bethel, Maine

Weather in May

May, the last month of the spring, in Bethel, is an enjoyable month, with average temperature varying between 41.9°F (5.5°C) and 62.2°F (16.8°C).

Temperature

In May, the average high-temperature increases considerably, from a chilly 47.5°F (8.6°C) in April, to a comfortable 62.2°F (16.8°C). In Bethel, Maine,, the average low-temperature is 41.9°F (5.5°C).

Humidity

The least humid month in Bethel is May, with an average relative humidity of 76%.

Rainfall

In Bethel, Maine,, during 15.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, in Bethel, there are 153 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Bethel. May is the last month it regularly snows. During 0.6 snowfall days, Bethel aggregates 0.43" (11mm) of snow. In Bethel, during the entire year, snow falls for 76.9 days, and aggregates up to 52.13" (1324mm) of snow.

Daylight

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

Sunshine

In Bethel, Maine, the average sunshine in May is 8h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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 least humid month in Bethel?

The least humid month is May, with an average relative humidity of 76%.

What is the average humidity in May in Bethel?

The average relative humidity in May in Bethel is 76%.

How much does it rain in Bethel in May?

In Bethel, in May, during 15.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

What is the last month it snows in Bethel?

May is the last month it regularly snows in Bethel. During 0.6 snowfall days, in May, Bethel aggregates 0.43" (11mm) of snow.

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

The average length of the day in May in Bethel, Maine, is 14.8h.

How many hours of sunshine does Bethel have in May?

In Bethel, Maine, the average sunshine in May is 8h.

How high is the UV index in May in Bethel?

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Bethel, ME

Average temperature in May - Bethel, ME
  • Average high temperature in May: 62.2°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in May: 41.9°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in May
Bethel, ME

Average pressure in May - Bethel, ME
  • Average pressure in May: 29.98"

The month with the highest atmospheric pressure is November (30.05").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Bethel, ME

Average wind speed in May - Bethel, ME
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in May
Bethel, ME

Average humidity in May - Bethel, ME
  • Average humidity in May: 76%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in May
Bethel, ME

Average rainfall in May - Bethel, ME
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in May
Bethel, ME

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

Months with the highest number of rainy days are April and May (15.3 days).
The month with the least rainy days is February (8.6 days).

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Average snowfall in May
Bethel, ME

Average snowfall in May - Bethel, ME
  • Average snowfall in May: 0.43"

The month with the highest snowfall is February (11.54").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Bethel, ME

Average snowfall days in May - Bethel, ME
  • Average snowfall days in May: 0.6 days

Months with the highest number of snowfall days are January and February (15.3 days).
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
Bethel, ME

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

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 8h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days in May
Bethel, ME

Average sunshine days in May - Bethel, ME
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is April (10.5 days).

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Average UV index in May
Bethel, ME

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

Months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in May
Bethel, ME

Average cloud cover in May - Bethel, ME
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 55).
Months with the least cloud cover are July, August and September (Cloud cover 39).

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Average visibility in May
Bethel, ME

Average visibility in May - Bethel, ME
  • Average visibility in May: 5mi

Months with the highest visibility are May, June, October, November and December (5mi).
Months with the lowest visibility are January, February, March, April, July, August and September (4mi).

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