June weather forecast
Saint Johns Green, MD

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Weather in June

June, the first month of the summer in Saint Johns Green, is a moderately hot month, with an average temperature fluctuating between 80.6°F (27°C) and 63.9°F (17.7°C).

Temperature

Saint Johns Green in June observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 72.5°F (22.5°C) in May to a warm 80.6°F (27°C). An average low-temperature of 63.9°F (17.7°C) marks the month of June.

Heat index

During June, the heat index is calculated to be 84.2°F (29°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Saint Johns Green, the average relative humidity in June is 74%.

Rainfall

In Saint Johns Green, in June, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation. In Saint Johns Green, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

With an average of 14h and 54min of daylight, June has the longest days of the year.
On the first day of June in Saint Johns Green, Maryland, 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 Saint Johns Green, the average sunshine in June 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the usual temperature for Saint Johns Green in June?

An average high-temperature, in June, in Saint Johns Green, is 80.6°F (27°C) and the average low-temperature is 63.9°F (17.7°C). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 84.2°F (29°C).

What is the average humidity in June?

In Saint Johns Green, Maryland, the average relative humidity in June is 74%.

How much does it rain in June?

In Saint Johns Green, in June, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow?

In Saint Johns Green, snow does not fall in May through October.

When are the longest days?

With an average of 14h and 54min of daylight, June has the longest days of the year.

What is the average length of the day in June?

The average day length in June is 14h and 53min.

What time are sunrise and sunset in June?

In June, on the first day of the month, 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.

How long on average sun shines in June?

In June, the average sunshine duration is 10.3h.

What is the month with the highest UV index in Saint Johns Green?

The months with the highest UV index in Saint Johns Green are May through August, with an average maximum UV index of 6.

What is the UV index reading in June?

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Saint Johns Green, MD

Average temperature in June - Saint Johns Green, 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
Saint Johns Green, MD

Average pressure in June - Saint Johns Green, 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
Saint Johns Green, MD

Average wind speed in June - Saint Johns Green, 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
Saint Johns Green, MD

Average humidity in June - Saint Johns Green, 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
Saint Johns Green, MD

Average rainfall in June - Saint Johns Green, 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
Saint Johns Green, MD

Average rainfall days in June - Saint Johns Green, 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
Saint Johns Green, MD

Average snowfall in June - Saint Johns Green, 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
Saint Johns Green, MD

Average snowfall days in June - Saint Johns Green, 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
Saint Johns Green, MD

Average daylight in June / Average sunshine in June - Saint Johns Green, 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 30min).

  • Average sunshine in June: 10h and 2min

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
Saint Johns Green, MD

Average sunshine days in June - Saint Johns Green, 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
Saint Johns Green, MD

Average UV index in June - Saint Johns Green, 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
Saint Johns Green, MD

Average cloud cover in June - Saint Johns Green, 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
Saint Johns Green, MD

Average visibility in June - Saint Johns Green, 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).

Saint Johns Green, Maryland, USA

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