May weather forecast
Galesville, MD

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Weather in May

May, the last month of the spring in Galesville, is a pleasant month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 71.2°F (21.8°C).

Temperature

With the beginning of May, Galesville's average high-temperature sees a minor increase, transitioning from an enjoyable 62.6°F (17°C) in April to a pleasant 71.2°F (21.8°C). During May, the nighttime temperature in Galesville averages to a moderate 57.9°F (14.4°C).

Humidity

May is the most humid month in Galesville, with an average relative humidity of 78%.

Rainfall

In May, in Galesville, the rain falls for 14.4 days. Throughout May, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Galesville, Maryland, there are 127.2 rainfall days, and 11.85" (301mm) of precipitation is accumulated.

Snowfall

In Galesville, Maryland, snow does not fall in April through October.

Daylight

The average length of the day in May is 14h and 19min.
On the first day of May in Galesville, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Galesville. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are the temperatures in Galesville in May?

The high-temperature, in May, in Galesville, is 71.2°F (21.8°C), while the low-temperature averages to 57.9°F (14.4°C).

What is the most humid month in Galesville?

The most humid month is May, with an average relative humidity of 78%.

What is the average humidity in May in Galesville?

In May, the average relative humidity is 78%.

How many days does it rain in May in Galesville?

In May, in Galesville, Maryland, the rain falls for 14.4 days. Throughout May, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Galesville?

April through October are months without snowfall in Galesville, Maryland.

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

In May, the average day length in Galesville, Maryland, is 14h and 19min.

What time are sunrise and sunset in May in Galesville?

On the first day of May in Galesville, Maryland, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Galesville have in May?

In May, the average sunshine duration is 9.1h.

When is the highest UV index in Galesville?

The months with the highest UV index in Galesville are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Galesville?

In May, the average daily maximum UV index in Galesville, Maryland, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Galesville, MD

Average temperature in May - Galesville, MD
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in May: 57.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in May
Galesville, MD

Average pressure in May - Galesville, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Galesville, MD

Average wind speed in May - Galesville, MD
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in May
Galesville, MD

Average humidity in May - Galesville, MD
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).

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Average rainfall in May
Galesville, MD

Average rainfall in May - Galesville, MD
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in May
Galesville, MD

Average rainfall days in May - Galesville, MD
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is November (5.9 days).

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Average snowfall in May
Galesville, MD

Average snowfall in May - Galesville, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Galesville, MD

Average snowfall days in May - Galesville, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Galesville, MD

Average daylight in May / Average sunshine in May - Galesville, MD
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

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Average sunshine days in May
Galesville, MD

Average sunshine days in May - Galesville, MD
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is November (22.6 days).
The month with the least sunshine days is August (12.5 days).

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Average UV index in May
Galesville, MD

Average UV index in May - Galesville, MD
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Galesville, MD

Average cloud cover in May - Galesville, MD
  • Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in May
Galesville, MD

Average visibility in May - Galesville, MD
  • 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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Galesville, Maryland, USA

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