May weather forecast
Richmond, ME

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Weather in May

May is when Richmond truly starts to warm up, with temperatures soaring to a comfortable 60.8°F (16°C). The snow completely melts away, replaced by occasional rain. This shift in weather paves the way for outdoor activities as residents enjoy the beautiful, warm, and sunny weather. The city's parks become vibrant with people making the most of the splendid weather. Summarizing May's weather in Richmond, one experiences warmer temperatures, clear skies, and lively parks.

Temperature

The shift from April to May in Richmond is marked by an increase in the average high-temperature, moving from a chilly 49.8°F (9.9°C) to a refreshing 60.8°F (16°C). Richmond's average low-temperature is measured at a frosty 44.8°F (7.1°C) during May.

Humidity

In Richmond, the average relative humidity in May is 80%.

Rainfall

In Richmond, Maine, in May, it is raining for 14.6 days, with typically 2.13" (54mm) of accumulated precipitation. In Richmond, during the entire year, the rain falls for 139 days and collects up to 27.56" (700mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Richmond, Maine. During 0.1 snowfall days, in May, Richmond aggregates 0.39" (10mm) of snow. Throughout the year, there are 41.8 snowfall days, and 21.97" (558mm) of snow is accumulated.

Ocean temperature

In May, the average ocean temperature is 45.3°F (7.4°C).
Note: Staying in 45.3°F (7.4°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

In May, the average length of the day in Richmond is 14h and 47min.
On the first day of May, sunrise is at 5:29 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:14 pm EDT.

Sunshine

In Richmond, the average sunshine in May is 8h.

UV index

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 in May translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What are May temperatures in Richmond?

The high-temperature, in May, in Richmond, is 60.8°F (16°C), while the low-temperature averages to 44.8°F (7.1°C).

What is the average humidity in May in Richmond?

In May, the average relative humidity in Richmond, Maine, is 80%.

How many days does it rain in May in Richmond?

In May, in Richmond, Maine, the rain falls for 14.6 days. Throughout May, 2.13" (54mm) of precipitation is accumulated.

What is the last month it snows in Richmond?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Richmond aggregates 0.39" (10mm) of snow.

What is the ocean temperature in May in Richmond?

In Richmond, Maine, the average seawater temperature in May is 45.3°F (7.4°C). Swimming in 45.3°F (7.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Richmond have in May?

In May, the average day length in Richmond is 14h and 47min.

When are sunrise and sunset in May in Richmond?

In May, on the first day of the month, sunrise is at 5:29 am and sunset at 7:43 pm. On the last day of the month, in Richmond, sunrise is at 4:59 am and sunset at 8:14 pm EDT.

How many hours of sunshine does Richmond have in May?

In Richmond, the average sunshine duration in May is 8h.

How high is the UV index in May in Richmond?

The average daily maximum UV index in May in Richmond is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Richmond, ME

Average temperature in May - Richmond, ME
  • Average high temperature in May: 60.8°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 44.8°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in May
Richmond, ME

Average pressure in May - Richmond, 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).

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Average wind speed in May
Richmond, ME

Average wind speed in May - Richmond, ME
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in May
Richmond, ME

Average humidity in May - Richmond, ME
  • Average humidity in May: 80%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in May
Richmond, ME

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

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.38").

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Average rainfall days in May
Richmond, ME

Average rainfall days in May - Richmond, ME
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.4 days).

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Average snowfall in May
Richmond, ME

Average snowfall in May - Richmond, ME
  • Average snowfall in May: 0.39"

The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Richmond, ME

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

The months with the highest number of snowfall days are January and February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Richmond, ME

Average sea temperature in May - Richmond, ME
  • Average sea temperature in May: 45.3°F

The best month for swimming (with the highest average sea temperature) is August (61.5°F).
The coldest month (with the lowest average sea temperature) is March (37.7°F).

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

Average daylight in May / Average sunshine in May - Richmond, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Richmond, ME

Average sunshine days in May - Richmond, ME
  • Average sunshine days in May: 14.1 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.7 days).

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Average UV index in May
Richmond, ME

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

The month with the highest UV index is July (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
Richmond, ME

Average cloud cover in May - Richmond, ME
  • Average cloud cover in May: 49

The months with the most cloud cover are February, March and April (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Richmond, ME

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

The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).

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Richmond, Maine, USA

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