May weather forecast
Pasadena, MD

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Weather in May

The last month of the spring, May, is a pleasant month in Pasadena, Maryland, with an average temperature ranging between min 57.2°F (14°C) and max 72.1°F (22.3°C).

Temperature

The arrival of May signals an increase in the average high-temperature, moving from a comfortable 62.8°F (17.1°C) in April to an agreeable 72.1°F (22.3°C). During May, Pasadena experiences a consistent low-temperature average of 57.2°F (14°C).

Humidity

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

Rainfall

In Pasadena, in May, during 17.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Pasadena, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of May, in Pasadena, sunrise is at 5:42 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during May translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are the temperatures in Pasadena in May?

The average high-temperature and low-temperature in Pasadena during May are 72.1°F (22.3°C) and 57.2°F (14°C) respectively.

What is the most humid month in Pasadena?

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

What is the average humidity in May in Pasadena?

In Pasadena, the average relative humidity in May is 78%.

How many days does it rain in May in Pasadena?

In Pasadena, during May, the rain falls for 17.5 days and regularly aggregates up to 2.87" (73mm) of precipitation.

When it does not snow in Pasadena?

In Pasadena, snow does not fall in May through October.

Does it snow in Pasadena in May?

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

How many hours of daylight does Pasadena have in May?

In Pasadena, Maryland, the average day length in May is 14h and 20min.

When is the sunrise / sunset in May in Pasadena?

On the first day of May, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:26 pm EDT.

How long on average sun shines in May in Pasadena?

In Pasadena, Maryland, the average sunshine duration in May is 9.1h.

When is the highest UV index in Pasadena?

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

How high is the UV index in May in Pasadena?

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

Average temperature in May - Pasadena, MD
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 57.2°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in May
Pasadena, MD

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Pasadena, MD

Average wind speed in May - Pasadena, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in May
Pasadena, MD

Average humidity in May - Pasadena, 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, March, April and November (72%).

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Average rainfall in May
Pasadena, MD

Average rainfall in May - Pasadena, MD
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Pasadena, MD

Average rainfall days in May - Pasadena, MD
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in May
Pasadena, MD

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Pasadena, MD

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

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Pasadena, 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 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in May
Pasadena, MD

Average sunshine days in May - Pasadena, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in May
Pasadena, MD

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

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Average cloud cover in May
Pasadena, MD

Average cloud cover in May - Pasadena, MD
  • Average cloud cover in May: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Pasadena, MD

Average visibility in May - Pasadena, 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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Pasadena, Maryland, USA

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