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
The shift from April to May brings an increase in the average high-temperature, moving from a comfortable 61.5°F (16.4°C) to an agreeable 70.9°F (21.6°C). Riverview observes an average nighttime temperature of 56.7°F (13.7°C) during May.Humidity
The months with the highest humidity in Riverview are May, August and September, with an average relative humidity of 79%.Rainfall
In Riverview, Delaware, during May, the rain falls for 17.8 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 167.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.Snowfall
In Riverview, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 20min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine in Riverview is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Riverview. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the usual temperature for Riverview in May?
What are the most humid months in Riverview?
What is the average humidity in May in Riverview?
How many days does it rain in May in Riverview?
When it does not snow in Riverview?
Does it snow in Riverview in May?
How many hours of daylight does Riverview have in May?
When are sunrise and sunset in May in Riverview?
How long on average sun shines in May in Riverview?
When is the highest UV index in Riverview?
What is the UV index reading in May in Riverview?
Average temperature in May
Riverview, DE
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Riverview, DE
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Riverview, DE
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Riverview, DE
- Average humidity in May: 79%
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in May
Riverview, DE
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in May
Riverview, DE
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Riverview, DE
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Riverview, DE
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.3 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
Riverview, DE
- 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Riverview, DE
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in May
Riverview, DE
- 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
Riverview, DE
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Riverview, DE
- 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).
Riverview, Delaware, USA
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