June weather forecastMarriottsville, MD
June
Weather in June
The first month of the summer, June, is a moderately hot month in Marriottsville, Maryland, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.1°F (16.7°C).Temperature
June's arrival signals a modest temperature shift, moving from an agreeable 71.8°F (22.1°C) in May to a moderately hot 79.3°F (26.3°C). The average nighttime temperature lowers to a refreshing 62.1°F (16.7°C) throughout June.Humidity
The average relative humidity in June is 77%.Rainfall
In Marriottsville, during June, the rain falls for 15.9 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Marriottsville, during the entire year, the rain falls for 159 days and collects up to 31.61" (803mm) of precipitation.Snowfall
In Marriottsville, snow does not fall in June through October.Daylight
The month with the longest days is June, with an average of 14h and 54min of daylight.On the first day of June, sunrise is at 5:42 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:38 pm EDT.
Sunshine
In June, the average sunshine 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 health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Marriottsville, MD
- Average high temperature in June: 79.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in June: 62.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in June
Marriottsville, 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
Marriottsville, MD
- Average wind speed in June: 6.2mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in June
Marriottsville, MD
- Average humidity in June: 77%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in June
Marriottsville, MD
- Average rainfall in June: 2.64"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in June
Marriottsville, MD
- Average rainfall days in June: 15.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in June
Marriottsville, MD
- Average snowfall in June: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in June
Marriottsville, MD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Marriottsville, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in June
Marriottsville, MD
- Average sunshine days in June: 11.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in June
Marriottsville, 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
Marriottsville, MD
- Average cloud cover in June: 34
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in June
Marriottsville, 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).





