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 temperature increase, with average high-temperatures moving from April's mild 57.9°F (14.4°C) to an agreeable 68.5°F (20.3°C). During the nights in May, an average low-temperature of 50.5°F (10.3°C) is observed in Butler.Humidity
The average relative humidity in May is 78%.Rainfall
In Butler, in May, during 12.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 111.1 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Snowfall
In Butler, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:22 pm EDT.
Sunshine
In Butler, the average sunshine in May is 8h.UV index
In Butler, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in May transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Butler, NJ
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in May
Butler, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Butler, NJ
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Butler, NJ
- Average humidity in May: 78%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Butler, NJ
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is July (1.06").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in May
Butler, NJ
- Average rainfall days in May: 12.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in May
Butler, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Butler, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Butler, NJ
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in May
Butler, NJ
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in May
Butler, NJ
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Butler, NJ
- Average cloud cover in May: 50
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Butler, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, August, November and December (6mi).
The months with the lowest visibility are February, May, June, July, September and October (5mi).
Butler, New Jersey, USA
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