Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings a rise in Riva's average high-temperature, moving from an enjoyable 62.2°F (16.8°C) in April to an agreeable 71.2°F (21.8°C). Riva experiences an average nighttime temperature of 57.7°F (14.3°C) in the month of May.Humidity
May is the most humid month in Riva, with an average relative humidity of 78%.Rainfall
In Riva, in May, it is raining for 13.8 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in Riva, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Riva, Maryland.Daylight
In May, the average length of the day is 14h and 19min.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 8:25 pm EDT.
Sunshine
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 in Riva. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 6 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are the temperatures in Riva in May?
What is the most humid month in Riva?
What is the average humidity in May in Riva?
How much does it rain in Riva in May?
When it does not snow in Riva?
What is the average length of the day in May in Riva?
When are sunrise and sunset in May in Riva?
How many hours of sunshine does Riva have in May?
When is the highest UV index in Riva?
What is the UV index intensity in May in Riva?
Average temperature in May
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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
Riva, 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).
Riva, Maryland, USA
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