May weather forecast
Keys Farm, MD

Share

Weather in May

May, the last month of the spring in Keys Farm, is a pleasant month, with an average temperature ranging between max 71.2°F (21.8°C) and min 57.7°F (14.3°C).

Temperature

The start of May signals an increase in the average high-temperature, moving from a comfortable 62.2°F (16.8°C) in April to an agreeable 71.2°F (21.8°C). Keys Farm's temperature drops to an average low of 57.7°F (14.3°C) during the nights of May.

Humidity

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

Rainfall

In Keys Farm, during May, the rain falls for 13.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Keys Farm, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 19min.
On the first day of the month, sunrise is at 6:06 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

Sunshine

In Keys Farm, the average sunshine in May is 9h.

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 risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Keys Farm in May?

The average high-temperature, in May, in Keys Farm, is 71.2°F (21.8°C), while the average low-temperature is 57.7°F (14.3°C).

What is the most humid month in Keys Farm?

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

What is the average humidity in May?

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

How many days does it rain in May?

In Keys Farm, in May, during 13.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

In May, the average day length is 14h and 19min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 9h.

What is the month with the highest UV index?

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

How high is the UV index in May?

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

Average temperature in May - Keys Farm, MD
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in May
Keys Farm, MD

Average pressure in May - Keys Farm, 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
Keys Farm, MD

Average wind speed in May - Keys Farm, MD
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in May
Keys Farm, MD

Average humidity in May - Keys Farm, 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
Keys Farm, MD

Average rainfall in May - Keys Farm, MD
  • Average rainfall in May: 0.87"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in May
Keys Farm, MD

Average rainfall days in May - Keys Farm, MD
  • Average rainfall days in May: 13.8 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in May
Keys Farm, MD

Average snowfall in May - Keys Farm, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Keys Farm, MD

Average snowfall days in May - Keys Farm, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.5 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
Keys Farm, MD

Average daylight in May / Average sunshine in May - Keys Farm, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in May
Keys Farm, MD

Average sunshine days in May - Keys Farm, MD
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in May
Keys Farm, MD

Average UV index in May - Keys Farm, 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 and December (UV index 2).

Average cloud cover in May
Keys Farm, MD

Average cloud cover in May - Keys Farm, MD
  • Average cloud cover in May: 41

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
Keys Farm, MD

Average visibility in May - Keys Farm, 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).

Keys Farm, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location