May weather forecast
Hillendale, MD

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Weather in May

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

Temperature

As April gives way to May, the average high-temperature displays an increase, moving from an enjoyable 62.8°F (17.1°C) to an agreeable 72.1°F (22.3°C). Hillendale's temperature lowers to a mean of 57.2°F (14°C) during the nights in May.

Humidity

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

Rainfall

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

Snowfall

In Hillendale, Maryland, snow does not fall in May through October.

Daylight

The average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, the average high-temperature and low-temperature are 72.1°F (22.3°C) and 57.2°F (14°C) respectively.

What is the most humid month?

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

What is the average humidity in May?

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

How much does it rain in May?

In May, the rain falls for 17.5 days. Throughout May, 2.87" (73mm) of precipitation is accumulated.

When it does not snow?

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

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 Hillendale have in May?

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

When is the sunrise / sunset in May?

On the first day of May, 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 8:26 pm EDT.

How many hours of sunshine does Hillendale have in May?

In May, the average sunshine duration is 9.1h.

What are the months with the highest UV index?

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

What is the UV index intensity in May in Hillendale?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Hillendale, MD

Average temperature in May - Hillendale, 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).

Average pressure in May
Hillendale, MD

Average pressure in May - Hillendale, 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).

Average wind speed in May
Hillendale, MD

Average wind speed in May - Hillendale, 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).

Average humidity in May
Hillendale, MD

Average humidity in May - Hillendale, 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%).

Average rainfall in May
Hillendale, MD

Average rainfall in May - Hillendale, 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").

Average rainfall days in May
Hillendale, MD

Average rainfall days in May - Hillendale, 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).

Average snowfall in May
Hillendale, MD

Average snowfall in May - Hillendale, 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").

Average snowfall days in May
Hillendale, MD

Average snowfall days in May - Hillendale, 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).

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

Average daylight in May / Average sunshine in May - Hillendale, 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).

Average sunshine days in May
Hillendale, MD

Average sunshine days in May - Hillendale, 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).

Average UV index in May
Hillendale, MD

Average UV index in May - Hillendale, 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).

Average cloud cover in May
Hillendale, MD

Average cloud cover in May - Hillendale, 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).

Average visibility in May
Hillendale, MD

Average visibility in May - Hillendale, 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).

Hillendale, Maryland, USA

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