May weather forecast
Joppa, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Joppa, Maryland, with an average temperature fluctuating between 71.4°F (21.9°C) and 54.5°F (12.5°C).

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from a refreshing 61.9°F (16.6°C) in April to a pleasant 71.4°F (21.9°C). An average low-temperature of 54.5°F (12.5°C) is observed during the May nights.

Humidity

May is the most humid month, with an average relative humidity of 80%.

Rainfall

In May, in Joppa, the rain falls for 17.1 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. In Joppa, during the entire year, the rain falls for 155.7 days and collects up to 32.64" (829mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Joppa. May is the last month it regularly snows in Joppa, Maryland. During 0.2 snowfall days, in May, Joppa aggregates 0.2" (5mm) of snow. In Joppa, during the entire year, snow falls for 19.9 days and aggregates up to 9.72" (247mm) of snow.

Daylight

In Joppa, the average length of the day in May is 14h and 22min.
On the first day of the month, sunrise is at 6:05 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine in Joppa 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 reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the temperatures in Joppa in May?

During May, Joppa experiences an average high-temperature of 71.4°F (21.9°C) and a low-temperature of 54.5°F (12.5°C).

What is the most humid month in Joppa?

With an average relative humidity of 80%, May is the most humid month in Joppa.

What is the average humidity in May in Joppa?

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

How much does it rain in Joppa in May?

In Joppa, Maryland, in May, during 17.1 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

What is the last month it snows in Joppa?

May is the last month it regularly snows in Joppa, Maryland. During 0.2 snowfall days, in May, Joppa aggregates 0.2" (5mm) of snow.

How many hours of daylight does Joppa have in May?

In Joppa, Maryland, the average day length in May is 14h and 22min.

When is the sunrise / sunset in May in Joppa?

On the first day of May, sunrise is at 6:05 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:26 pm EDT.

How long on average sun shines in May in Joppa?

In Joppa, the average sunshine duration in May is 8.4h.

What are the months with the highest UV index in Joppa?

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

What is the UV index intensity in May in Joppa?

In Joppa, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Joppa, MD

Average temperature in May - Joppa, MD
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in May
Joppa, MD

Average pressure in May - Joppa, 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
Joppa, MD

Average wind speed in May - Joppa, MD
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Joppa, MD

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in May
Joppa, MD

Average rainfall in May - Joppa, MD
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is February (2.09").

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Average rainfall days in May
Joppa, MD

Average rainfall days in May - Joppa, MD
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in May
Joppa, MD

Average snowfall in May - Joppa, MD
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Joppa, MD

Average snowfall days in May - Joppa, MD
  • Average snowfall days in May: 0.2 days

The months with the highest number of snowfall days are January and February (5.6 days).
The 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
Joppa, MD

Average daylight in May / Average sunshine in May - Joppa, 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 48min).

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Average sunshine days in May
Joppa, MD

Average sunshine days in May - Joppa, MD
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).

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Average UV index in May
Joppa, MD

Average UV index in May - Joppa, 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).

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Average cloud cover in May
Joppa, MD

Average cloud cover in May - Joppa, MD
  • Average cloud cover in May: 47

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Joppa, MD

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

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

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Joppa, Maryland, USA

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