May weather forecastJohnsontown, NJ
May
Weather in May
The last month of the spring, May, is an enjoyable month in Johnsontown, New Jersey, with an average temperature ranging between max 65.7°F (18.7°C) and min 55.9°F (13.3°C).Temperature
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 56.8°F (13.8°C) to an enjoyable 65.7°F (18.7°C). During May, the temperature is averaged to a low of 55.9°F (13.3°C) at night.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 80%.Rainfall
In Johnsontown, in May, during 8.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Johnsontown, during the entire year, the rain falls for 86.1 days and collects up to 6.69" (170mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day is 14h and 22min.On the first day of May, sunrise is at 5:57 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 8.9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 6 in May translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Johnsontown, NJ
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in May
Johnsontown, NJ
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Johnsontown, NJ
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in May
Johnsontown, NJ
- Average humidity in May: 80%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in May
Johnsontown, NJ
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in May
Johnsontown, NJ
- Average rainfall days in May: 8.5 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in May
Johnsontown, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Johnsontown, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Johnsontown, NJ
- Average daylight in May: 14h and 24min
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 54min
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
Johnsontown, NJ
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (18.2 days).
Average UV index in May
Johnsontown, 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 and December (UV index 2).
Average cloud cover in May
Johnsontown, NJ
- Average cloud cover in May: 42
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Johnsontown, 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).
