Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
As June arrives, Johnsville's weather shows a minor increase in high-temperatures, edging from May's agreeable 71.8°F (22.1°C) to a moderately hot 79.5°F (26.4°C). Johnsville observes an average low-temperature of 61.3°F (16.3°C) during June nights.Humidity
The average relative humidity in June is 77%.Rainfall
In Johnsville, in June, during 13.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 130.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
June has the longest days of the year, with an average of 14h and 54min of daylight.On the first day of the month, sunrise is at 5:43 am and sunset at 8:30 pm. On the last day of June, sunrise is at 5:45 am and sunset at 8:40 pm EDT.
Sunshine
In Johnsville, the average sunshine in June is 10h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Johnsville in June?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Johnsville have in June?
When is the sunrise / sunset in June?
How many hours of sunshine does Johnsville have in June?
What are the months with the highest UV index?
What is the UV index intensity in June?
Average temperature in June
Johnsville, MD
- Average high temperature in June: 79.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in June: 61.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in June
Johnsville, MD
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Johnsville, MD
- Average wind speed in June: 6.2mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in June
Johnsville, MD
- Average humidity in June: 77%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).
Average rainfall in June
Johnsville, MD
- Average rainfall in June: 1.42"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in June
Johnsville, MD
- Average rainfall days in June: 13.3 days
The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in June
Johnsville, MD
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Johnsville, MD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Johnsville, MD
- Average daylight in June: 14h and 5min
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 June: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in June
Johnsville, MD
- Average sunshine days in June: 13.8 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in June
Johnsville, MD
- Average UV index in June: 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 June
Johnsville, MD
- Average cloud cover in June: 35
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in June
Johnsville, MD
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Johnsville, Maryland, USA
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