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 an increase in the average high-temperature, progressing from a refreshing 61.7°F (16.5°C) in April to a pleasant 71.8°F (22.1°C). The average nighttime temperature lowers to a fresh 55.2°F (12.9°C) throughout May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 16.5 days. Throughout May, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 154.9 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Richwood aggregates 0.16" (4mm) of snow. In Richwood, during the entire year, snow falls for 17.8 days and aggregates up to 10.28" (261mm) of snow.Daylight
In Richwood, the average length of the day in May is 14h and 23min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:22 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 during May translates into the following directions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Richwood?
What is the average humidity in May?
How many days does it rain in May in Richwood?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Richwood have in May?
What are the months with the highest UV index?
How high is the UV index in May in Richwood?
Average temperature in May
Richwood, NJ
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Richwood, NJ
- Average pressure in May: 30.01"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
Richwood, NJ
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Richwood, NJ
- Average humidity in May: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Richwood, NJ
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Richwood, NJ
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Richwood, NJ
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Richwood, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Richwood, NJ
- 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 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Richwood, NJ
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in May
Richwood, NJ
- 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, November and December (UV index 2).
Average cloud cover in May
Richwood, NJ
- Average cloud cover in May: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in May
Richwood, NJ
- 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).
Richwood, New Jersey, USA
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