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 temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 80.6°F (27°C).

Temperature

Saint Johns Green, Maryland, experiences a minor temperature shift with the start of June, with average high-temperatures moving from an agreeable 72.5°F (22.5°C) in May to a warm 80.6°F (27°C). In Saint Johns Green, June's nights observe an average temperature dip to an enjoyable 63.9°F (17.7°C).

Heat index

June's average heat index is calculated to be 84.2°F (29°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

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

Rainfall

In Saint Johns Green, during June, the rain falls for 15.9 days and regularly aggregates up to 2.52" (64mm) of 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

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

Daylight

June has the longest days of the year in Saint Johns Green, with an average of 14h and 54min of daylight.
On the first day of June in Saint Johns Green, 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

The average sunshine in June in Saint Johns Green, Maryland, is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In June, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are June temperatures in Saint Johns Green?

Saint Johns Green in June has an average high-temperature of 80.6°F (27°C) and an average low-temperature of 63.9°F (17.7°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 84.2°F (29°C).

What is the average humidity in June in Saint Johns Green?

In June, the average relative humidity is 74%.

How many days does it rain in June in Saint Johns Green?

In Saint Johns Green, Maryland, 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?

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

When are the longest days in Saint Johns Green?

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

What is the average length of the day in June in Saint Johns Green?

In June, the average day length in Saint Johns Green, Maryland, is 14h and 53min.

When is the sunrise / sunset in June in Saint Johns Green?

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, in Saint Johns Green, sunrise is at 5:44 am and sunset at 8:38 pm EDT.

How long on average sun shines in June in Saint Johns Green?

The average sunshine duration in June in Saint Johns Green, Maryland, is 10.3h.

When is the highest UV index in Saint Johns Green?

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

What is the UV index intensity in June in Saint Johns Green?

In June, the average daily maximum UV index in Saint Johns Green is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Saint Johns Green, Maryland, USA

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