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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Swarthmore, Pennsylvania, is an icy winter month, with an average temperature varying between 25.7°F (-3.5°C) and 37.4°F (3°C). In Swarthmore, the lowest temperatures are generally noted in January, averaging a high of 37.4°F (3°C) and a low of 25.7°F (-3.5°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Swarthmore, Pennsylvania, with an average temperature fluctuating between 41.2°F (5.1°C) and 27.9°F (-2.3°C). Swarthmore's transition from January to February introduces an average high-temperature of a still icy 41.2°F (5.1°C), marking an insignificant variation from the 37.4°F (3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Swarthmore, Pennsylvania, with an average temperature varying between 49.6°F (9.8°C) and 34.9°F (1.6°C). Swarthmore's March weather indicates a minor ascent in high-temperatures, adjusting from a wintry 41.2°F (5.1°C) in February to a chilly 49.6°F (9.8°C). Weather in March »
Weather in April
April in Swarthmore, Pennsylvania, is an enjoyable spring month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 45°F (7.2°C). April marks a rise in the average high-temperature, moving from March's frosty 49.6°F (9.8°C) to a refreshing 61.5°F (16.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Swarthmore, Pennsylvania, with an average temperature ranging between min 55°F (12.8°C) and max 72°F (22.2°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from an enjoyable 61.5°F (16.4°C) to a pleasant 72°F (22.2°C). Weather in May »
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). 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). Weather in June »
Weather in July
July, like June, in Swarthmore, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 68.7°F (20.4°C). Swarthmore's temperatures peak on average in July, reaching 85.6°F (29.8°C) at their highest and 68.7°F (20.4°C) at their lowest. The heat index for July is estimated at a fiery hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Swarthmore, Pennsylvania, with an average temperature fluctuating between 83.5°F (28.6°C) and 67.3°F (19.6°C). At the onset of August, Swarthmore records an average high-temperature of a still moderately hot 83.5°F (28.6°C), showing little deviation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Swarthmore, Pennsylvania, with an average temperature fluctuating between 76.6°F (24.8°C) and 60.8°F (16°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from 83.5°F (28.6°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Swarthmore, Pennsylvania, with an average temperature fluctuating between 50.7°F (10.4°C) and 64.9°F (18.3°C). October suggests a modest reduction in the average high-temperature, shifting from a warm 76.6°F (24.8°C) in September to a comfortable 64.9°F (18.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Swarthmore, is also a fresh month, with an average temperature fluctuating between 52.7°F (11.5°C) and 39.2°F (4°C). November comes with a drop in the average high-temperature, falling from October's comfortable 64.9°F (18.3°C) to a fresh 52.7°F (11.5°C). Weather in November »
Weather in December
December, the first month of the winter in Swarthmore, is still a chilly month, with an average temperature fluctuating between 32.9°F (0.5°C) and 44.1°F (6.7°C). As December commences, the average high-temperature subtly reduces, transitioning from a fresh 52.7°F (11.5°C) in November to a chilly 44.1°F (6.7°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Swarthmore?
January is the coldest month in Swarthmore, exhibiting average temperatures of 37.4°F (3°C) at the peak and 25.7°F (-3.5°C) at the base.
What is the driest month in Swarthmore?
The month with the least rainfall is January, when the rain falls for 7.1 days and typically collects 1.61" (41mm) of precipitation.
How much does it rain in Swarthmore?
In Swarthmore, Pennsylvania, during the entire year, the rain falls for 148.4 days and collects up to 25.94" (659mm) of precipitation.
When does it snow in Swarthmore?
Months with snowfall are January through May, November and December.
How many days does it snow in Swarthmore?
In Swarthmore, Pennsylvania, during the entire year, snow falls for 12.6 days and aggregates up to 7.28" (185mm) of snow.
When is the lowest UV index in Swarthmore?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Swarthmore, Pennsylvania.
What is the most humid month in Swarthmore?
February, October and December, with an average relative humidity of 77%, are most humid months.
What is the month with the least sunshine in Swarthmore?
The month with the least sunshine in Swarthmore is February, with an average of 4.9h of sunshine.
When does it snow the most in Swarthmore?
The month with the most snowfall in Swarthmore is March, when snow falls for 3 days and typically aggregates up to 2.32" (59mm) of snow.
When is Daylight Saving Time (DST) in Swarthmore?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Swarthmore?
April is the least humid month in Swarthmore, Pennsylvania, with an average relative humidity of 71%.
When is the highest UV index in Swarthmore?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Swarthmore, Pennsylvania.
When it does not snow in Swarthmore?
In Swarthmore, snow does not fall in June through October.
When are the longest days in Swarthmore?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What part of the year is the hottest in Swarthmore?
With average high temperatures of 85.6°F (29.8°C) and lows of 68.7°F (20.4°C), July is the warmest month in Swarthmore, Pennsylvania.
What month has the most sunshine in Swarthmore?
The month with the most sunshine in Swarthmore is July, with an average of 10.7h of sunshine.
What is the rainiest month in Swarthmore?
August is the month with the most rainfall. Rain falls for 16.1 days and accumulates 3.11" (79mm) of precipitation.
What is the month with the shortest days in Swarthmore?
December has the shortest days of the year in Swarthmore, with an average of 9h and 24min of daylight.
Average temperature
Swarthmore, PA
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).
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).
Average pressure
Swarthmore, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"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).
Average wind speed
Swarthmore, PA
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.2mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.9mph
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).
Average humidity
Swarthmore, PA
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Swarthmore, PA
- Average rainfall in January:
1.61" - Average rainfall in February:
1.73" - Average rainfall in March:
2.28" - Average rainfall in April:
2.01" - Average rainfall in May:
2.32" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.68" - Average rainfall in August:
3.11" - Average rainfall in September:
1.73" - Average rainfall in October:
1.97" - Average rainfall in November:
1.89" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days
Swarthmore, PA
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
8.7 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).
Average snowfall
Swarthmore, PA
- Average snowfall in January:
1.73" - Average snowfall in February:
1.61" - Average snowfall in March:
2.32" - Average snowfall in April:
0.2" - Average snowfall in May:
0.16" - 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").
Average snowfall days
Swarthmore, PA
- Average snowfall days in January:
3.5 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.5 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).
Average daylight / Average sunshine
Swarthmore, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 January:
5h and 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h 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).
Average sunshine days
Swarthmore, PA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
20.5 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).
Average UV index
Swarthmore, PA
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
Swarthmore, PA
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Swarthmore, PA
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).
Swarthmore, Pennsylvania, USA
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