May weather forecast
Rock Creek Park, MD

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Weather in May

May, the last month of the spring in Rock Creek Park, is a pleasant month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 72.1°F (22.3°C).

Temperature

The shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 62.8°F (17.1°C) to an agreeable 72.1°F (22.3°C). An average low-temperature of 57.2°F (14°C) is observed during May nights.

Humidity

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

Rainfall

In May, the rain falls for 17.5 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

In Rock Creek Park, 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 6:06 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:25 pm EDT.

Sunshine

In Rock Creek Park, 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. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the temperature in May?

May temperatures vary between a high-temperature of 72.1°F (22.3°C) and a low-temperature of 57.2°F (14°C).

What is the most humid month in Rock Creek Park?

The most humid month in Rock Creek Park, Maryland, is May, with an average relative humidity of 78%.

What is the average humidity in May?

In May, the average relative humidity is 78%.

How many days does it rain in May?

In Rock Creek Park, Maryland, in May, it is raining for 17.5 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow?

May through October 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 Rock Creek Park have in May?

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

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Rock Creek Park have in May?

In May, the average sunshine duration is 9.1h.

When is the highest UV index?

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

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents 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
Rock Creek Park, MD

Average temperature in May - Rock Creek Park, 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
Rock Creek Park, MD

Average pressure in May - Rock Creek Park, 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
Rock Creek Park, MD

Average wind speed in May - Rock Creek Park, 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
Rock Creek Park, MD

Average humidity in May - Rock Creek Park, 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
Rock Creek Park, MD

Average rainfall in May - Rock Creek Park, 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
Rock Creek Park, MD

Average rainfall days in May - Rock Creek Park, 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
Rock Creek Park, MD

Average snowfall in May - Rock Creek Park, 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
Rock Creek Park, MD

Average snowfall days in May - Rock Creek Park, 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
Rock Creek Park, MD

Average daylight in May / Average sunshine in May - Rock Creek Park, 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
Rock Creek Park, MD

Average sunshine days in May - Rock Creek Park, 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
Rock Creek Park, MD

Average UV index in May - Rock Creek Park, 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
Rock Creek Park, MD

Average cloud cover in May - Rock Creek Park, 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
Rock Creek Park, MD

Average visibility in May - Rock Creek Park, 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).

Rock Creek Park, Maryland, USA

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