June weather forecastRockwell, MD
June
Weather in June
June, the first month of the summer in Rockwell, is a warm month, with an average temperature ranging between min 63.9°F (17.7°C) and max 80.6°F (27°C).Temperature
The shift into June is marked by a modest rise in the average high-temperature, moving from May's agreeable 72.5°F (22.5°C) to a warm 80.6°F (27°C). During June, an average low-temperature of 63.9°F (17.7°C) is observed.Heat index
Throughout June, the heat index is calculated to be 84.2°F (29°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In June, the average relative humidity is 74%.Rainfall
In Rockwell, in June, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 165.5 rainfall days, and 31.65" (804mm) 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 5:42 am and sunset at 8:28 pm. On the last day of June, sunrise is at 5:44 am and sunset at 8:37 pm EDT.
Sunshine
In June, the average sunshine is 10.3h.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 risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 6 during June translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Rockwell, MD
- Average high temperature in June: 80.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in June: 63.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in June
Rockwell, 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
Rockwell, MD
- Average wind speed in June: 6.3mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in June
Rockwell, MD
- Average humidity in June: 74%
The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in June
Rockwell, MD
- Average rainfall in June: 2.52"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in June
Rockwell, MD
- Average rainfall days in June: 15.9 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in June
Rockwell, MD
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Rockwell, MD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (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
Rockwell, MD
- Average daylight in June: 14h and 54min
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 30min).
- Average sunshine in June: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in June
Rockwell, MD
- Average sunshine days in June: 12.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in June
Rockwell, 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
Rockwell, MD
- Average cloud cover in June: 32
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in June
Rockwell, MD
- Average visibility in June: 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).





