June weather forecast
Swarthmore, PA

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Weather in June

The first month of the summer, June, is a warm month in Swarthmore, Pennsylvania, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.7°F (26.5°C).

Temperature

June brings a slight rise in Swarthmore's average high-temperature, moving from an agreeable 72°F (22.2°C) in May to a warm 79.7°F (26.5°C). Swarthmore experiences an average temperature drop to a refreshing 63.1°F (17.3°C) during June nights.

Humidity

The average relative humidity in June in Swarthmore, Pennsylvania, is 75%.

Rainfall

In Swarthmore, during June, the rain falls for 15.4 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Swarthmore, during the entire year, the rain falls for 148.4 days and collects up to 25.94" (659mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

June has the longest days of the year in Swarthmore, with an average of 15h and 0min of daylight.
On the first day of June, sunrise is at 5:34 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:33 pm EDT.

Sunshine

In Swarthmore, the average sunshine in June is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Swarthmore. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 6 during June translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Swarthmore in June?

The average high-temperature and low-temperature during June are 79.7°F (26.5°C) and 63.1°F (17.3°C) respectively.

What is the average humidity in June in Swarthmore?

The average relative humidity in June is 75%.

How many days does it rain in June in Swarthmore?

In Swarthmore, Pennsylvania, during June, the rain falls for 15.4 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Swarthmore?

In Swarthmore, Pennsylvania, snow does not fall in June through October.

Does it snow in Swarthmore in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Swarthmore?

June has the longest days of the year in Swarthmore, Pennsylvania, with an average of 15h and 0min of daylight.

How many hours of daylight does Swarthmore have in June?

In Swarthmore, Pennsylvania, the average day length in June is 14h and 58min.

When are sunrise and sunset in June in Swarthmore?

In June, on the first day of the month, sunrise is at 5:34 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:33 pm EDT.

How many hours of sunshine does Swarthmore have in June?

In Swarthmore, the average sunshine duration in June is 10.1h.

What are the months with the highest UV index in Swarthmore?

The months with the highest UV index in Swarthmore, Pennsylvania, are May through August, with an average maximum UV index of 6.

How high is the UV index in June in Swarthmore?

In June, the average daily maximum UV index in Swarthmore, Pennsylvania, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Swarthmore, PA

Average temperature in June - Swarthmore, PA
  • Average high temperature in June: 79.7°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 (37.4°F).

  • Average low temperature in June: 63.1°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 (25.7°F).

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Average pressure in June
Swarthmore, PA

Average pressure in June - Swarthmore, PA
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in June
Swarthmore, PA

Average wind speed in June - Swarthmore, PA
  • Average wind speed in June: 6.3mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in June
Swarthmore, PA

Average humidity in June - Swarthmore, PA
  • Average humidity in June: 75%

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in June
Swarthmore, PA

Average rainfall in June - Swarthmore, PA
  • Average rainfall in June: 2.28"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").

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Average rainfall days in June
Swarthmore, PA

Average rainfall days in June - Swarthmore, PA
  • Average rainfall days in June: 15.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in June
Swarthmore, PA

Average snowfall in June - Swarthmore, PA
  • Average snowfall in June: 0"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in June
Swarthmore, PA

Average snowfall days in June - Swarthmore, PA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Swarthmore, PA

Average daylight in June / Average sunshine in June - Swarthmore, PA
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in June
Swarthmore, PA

Average sunshine days in June - Swarthmore, PA
  • Average sunshine days in June: 12.5 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in June
Swarthmore, PA

Average UV index in June - Swarthmore, PA
  • 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
Swarthmore, PA

Average cloud cover in June - Swarthmore, PA
  • Average cloud cover in June: 36

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in June
Swarthmore, PA

Average visibility in June - Swarthmore, PA
  • 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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Swarthmore, Pennsylvania, USA

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