May weather forecast
Bath, ME

Share

Weather in May

May in Bath, Maine, holds the full bloom of spring. Delightful warm weather dominates as temperatures continue to escalate. The reduced pressure levels and absence of snowfall affirm the complete transition into the warmer months. May's rainfall contributing richly to the growth and vibrancy of nature. Living up to springtime appeal, the month stands as a beautiful overture to summer, hinting at the hot June on the horizon.

Temperature

The beginning of May signals a rise in the average high-temperature, moving from a chilly 48.9°F (9.4°C) in April to a mild 58.6°F (14.8°C). In May, Bath's temperature tends to fall to an average low of 46°F (7.8°C) during the night.

Humidity

In Bath, the average relative humidity in May is 81%.

Rainfall

In Bath, during May, the rain falls for 15 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Bath, during the entire year, the rain falls for 147.2 days and collects up to 31.34" (796mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bath aggregates 0.16" (4mm) of snow. Throughout the year, there are 40.2 snowfall days, and 18.82" (478mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 46min.
On the first day of May, sunrise is at 5:29 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:14 pm EDT.

Sunshine

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

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 58.6°F (14.8°C) and 46°F (7.8°C) respectively.

What is the average humidity in May?

In Bath, the average relative humidity in May is 81%.

How much does it rain in May?

In Bath, in May, during 15 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

What is the last month it snows?

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

What is the average length of the day in May?

In Bath, the average day length in May is 14h and 46min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:29 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:14 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May in Bath is 8.2h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Bath, ME

Average temperature in May - Bath, 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).

Average pressure in May
Bath, ME

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

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

Average wind speed in May
Bath, ME

Average wind speed in May - Bath, 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).

Average humidity in May
Bath, ME

Average humidity in May - Bath, 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%).

Average rainfall in May
Bath, ME

Average rainfall in May - Bath, 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").

Average rainfall days in May
Bath, ME

Average rainfall days in May - Bath, 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).

Average snowfall in May
Bath, ME

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

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

Average snowfall days in May
Bath, ME

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

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

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

Average daylight in May / Average sunshine in May - Bath, 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: 9h and 0min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in May
Bath, ME

Average sunshine days in May - Bath, 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).

Average UV index in May
Bath, ME

Average UV index in May - Bath, 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).

Average cloud cover in May
Bath, ME

Average cloud cover in May - Bath, 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).

Average visibility in May
Bath, ME

Average visibility in May - Bath, 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).

Bath, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location