May weather forecastPomona, MD
May
Weather in May
May, the last month of the spring in Pomona, is a pleasant month, with an average temperature varying between 71.4°F (21.9°C) and 55.9°F (13.3°C).Temperature
Pomona's transition into May brings a rise in the average high-temperature, moving from a refreshing 62.2°F (16.8°C) in April to a pleasant 71.4°F (21.9°C). May witnesses an average nighttime temperature of 55.9°F (13.3°C).Humidity
With an average relative humidity of 79%, May is the most humid month.Rainfall
In Pomona, in May, during 10.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Pomona, during the entire year, the rain falls for 107.5 days and collects up to 10.67" (271mm) of precipitation.Snowfall
In Pomona, snow does not fall in April 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 6:05 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:24 pm EDT.
Sunshine
In Pomona, the average sunshine in May is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pomona, 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 (39.2°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in May
Pomona, 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
Pomona, MD
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Pomona, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in May
Pomona, MD
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
Pomona, MD
- Average rainfall days in May: 10.7 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in May
Pomona, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Pomona, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.1 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
Pomona, MD
- Average daylight in May: 14h and 18min
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 6min).
Average sunshine days in May
Pomona, MD
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in May
Pomona, 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 and December (UV index 2).
Average cloud cover in May
Pomona, MD
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Pomona, 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).





