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
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 a still refreshing 65.7°F (18.7°C). Throughout May, Johnsontown anticipates an average low-temperature of 55.9°F (13.3°C).Humidity
The months with the highest humidity in Johnsontown are May and June, with an average relative humidity of 80%.Rainfall
In Johnsontown, during May, the rain falls for 8.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Johnsontown, during the entire year, the rain falls for 86.1 days and collects up to 6.69" (170mm) of precipitation.Snowfall
In Johnsontown, snow does not fall in April through November.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the usual temperature for Johnsontown in May?
What are the most humid months in Johnsontown?
What is the average humidity in May in Johnsontown?
How many days does it rain in May in Johnsontown?
When it does not snow in Johnsontown?
What is the average length of the day in May in Johnsontown?
When is the sunrise / sunset in May in Johnsontown?
How long on average sun shines in May in Johnsontown?
What are the months with the highest UV index in Johnsontown?
What is the UV index reading in May in Johnsontown?
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 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
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).
Johnsontown, New Jersey, USA
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