May weather forecast
Manchester, MD

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Weather in May

Often seen as the doorstep to summer, May enjoys some of the finest seasonal conditions Manchester, Maryland can offer. Temperatures continue on an upward trajectory compared to April, resulting in a warm and comfortable environment. The month sees a notable increase in humidity, though the weather remains largely pleasant. It’s characterised by longer daylight hours, providing plenty and extended periods to enjoy outdoor activities. The appearance of lush greenery is spurred on by May's increased rainfall.

Temperature

The start of May is characterized by an increase in the average high-temperature, transitioning from a moderate 60.6°F (15.9°C) in April to a pleasant 70.3°F (21.3°C). Throughout May, a steady low-temperature average of 52.3°F (11.3°C) is noted.

Humidity

The months with the highest humidity are February, May and October, with an average relative humidity of 80%.

Rainfall

In Manchester, in May, during 16 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Manchester, during the entire year, the rain falls for 134.1 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

In Manchester, snow does not fall in May through September.

Daylight

In Manchester, the average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:28 pm EDT.

Sunshine

The average sunshine in May in Manchester, Maryland, is 8.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in May translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Manchester?

The high-temperature during May is 70.3°F (21.3°C) and the low-temperature is 52.3°F (11.3°C).

What are the most humid months?

The months with the highest humidity are February, May and October, with an average relative humidity of 80%.

What is the average humidity in May?

The average relative humidity in May is 80%.

How many days does it rain in May?

In Manchester, in May, during 16 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Manchester have in May?

In May, the average day length is 14h and 23min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:28 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.4h.

When is the highest UV index?

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

How high is the UV index in May?

In Manchester, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Manchester, MD

Average temperature in May - Manchester, MD
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in May
Manchester, MD

Average pressure in May - Manchester, 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).

Average wind speed in May
Manchester, MD

Average wind speed in May - Manchester, MD
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Manchester, MD

Average humidity in May - Manchester, MD
  • Average humidity in May: 80%

The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in May
Manchester, MD

Average rainfall in May - Manchester, MD
  • Average rainfall in May: 1.89"

The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in May
Manchester, MD

Average rainfall days in May - Manchester, MD
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6 days).

Average snowfall in May
Manchester, MD

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Manchester, MD

Average snowfall days in May - Manchester, MD
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 2min

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

Average sunshine days in May
Manchester, MD

Average sunshine days in May - Manchester, MD
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in May
Manchester, MD

Average UV index in May - Manchester, 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, November and December (UV index 2).

Average cloud cover in May
Manchester, MD

Average cloud cover in May - Manchester, MD
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Manchester, MD

Average visibility in May - Manchester, MD
  • Average visibility in May: 5mi

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

Manchester, Maryland, USA

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