Climate and monthly weather forecastCasselman, PA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Casselman, Pennsylvania, with an average temperature ranging between max 31.5°F (-0.3°C) and min 18.9°F (-7.3°C). Casselman records the coldest temperatures in January, averaging a high of 31.5°F (-0.3°C) and a low of 18.9°F (-7.3°C). Weather in January »Weather in February
February, the last month of the winter in Casselman, is a wintry month, with an average temperature ranging between min 21.7°F (-5.7°C) and max 35.8°F (2.1°C). The beginning of February records an average high-temperature of a wintry 35.8°F (2.1°C), marking a negligible difference from January's 31.5°F (-0.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Casselman, Pennsylvania, with an average temperature fluctuating between 45°F (7.2°C) and 28.9°F (-1.7°C). A shift in the average high-temperature is noticeable in March, changing from a cold 35.8°F (2.1°C) in February to a chilly 45°F (7.2°C). Weather in March »Weather in April
April in Casselman, Pennsylvania, is a moderate spring month, with an average temperature varying between 56.8°F (13.8°C) and 39°F (3.9°C). April's arrival coincides with a temperature rise, moving from March's chilly 45°F (7.2°C) to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Casselman, Pennsylvania, with an average temperature varying between 67.6°F (19.8°C) and 48.7°F (9.3°C). May's arrival is marked by an increase in the average high-temperature, moving from 56.8°F (13.8°C) in April to a still refreshing 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Casselman, Pennsylvania, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 55°F (12.8°C). June's onset witnesses a minor shift in the average high-temperature, moving from an enjoyable 67.6°F (19.8°C) in May to a warm 75°F (23.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Casselman, Pennsylvania, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.6°F (14.8°C). Casselman notes the warmest temperatures in July, with a high average of 79.3°F (26.3°C) and a low of 58.6°F (14.8°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Casselman, Pennsylvania, with an average temperature fluctuating between 77.5°F (25.3°C) and 56.8°F (13.8°C). August's advent presents an average high-temperature of a still warm 77.5°F (25.3°C), indicating a slight variation from the conditions of the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Casselman, Pennsylvania, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 52°F (11.1°C). The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 77.5°F (25.3°C) to a pleasant 71.4°F (21.9°C). Weather in September »Weather in October
October, the same as September, in Casselman, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 58.5°F (14.7°C). The average high-temperature drops in October, from September's pleasant 71.4°F (21.9°C) to a refreshing 58.5°F (14.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Casselman, Pennsylvania, with an average temperature varying between 46.4°F (8°C) and 31.5°F (-0.3°C). The onset of November is marked by a decrease in temperature, transitioning from a moderate 58.5°F (14.7°C) in October to a frosty 46.4°F (8°C). Weather in November »Weather in December
December, the first month of the winter in Casselman, is also an icy month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 37.2°F (2.9°C). December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 46.4°F (8°C) to an icy 37.2°F (2.9°C). Weather in December »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Casselman experiences its average lowest temperatures in January, reaching a peak of 31.5°F (-0.3°C) and a minimum of 18.9°F (-7.3°C).
In Casselman, during the entire year, the rain falls for 183.2 days and collects up to 35.94" (913mm) of precipitation.
Months with snowfall are January through May, October through December.
The month with the most snowfall is January, when snow falls for 17.2 days and typically aggregates up to 7.44" (189mm) of snow.
In Casselman, during the entire year, snow falls for 68.3 days and aggregates up to 33.39" (848mm) of snow.
The month with the least sunshine is January, with an average of 3.3h of sunshine.
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.
The most humid month is February, with an average relative humidity of 86%.
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.
April, June and July, with an average relative humidity of 79%, are the least humid months.
May is the month with the most rainfall. Rain falls for 22.8 days and accumulates 3.94" (100mm) of precipitation.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 0min of daylight.
July is the month when Casselman experiences its warmest temperatures, averaging a high of 79.3°F (26.3°C) and a low of 58.6°F (14.8°C).
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.
The month with the least rainfall is November, when the rain falls for 11 days and typically collects 2.09" (53mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Casselman, PA
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Casselman, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Casselman, PA
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8.3mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Casselman, PA
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall
Casselman, PA
- Average rainfall in January:
2.72" - Average rainfall in February:
2.99" - Average rainfall in March:
3.07" - Average rainfall in April:
3.58" - Average rainfall in May:
3.94" - Average rainfall in June:
3.15"
- Average rainfall in July:
3.27" - Average rainfall in August:
2.6" - Average rainfall in September:
2.32" - Average rainfall in October:
2.95" - Average rainfall in November:
2.09" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days
Casselman, PA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
18.5 days - Average rainfall days in May:
22.8 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
17.5 days - Average rainfall days in September:
15.6 days - Average rainfall days in October:
15 days - Average rainfall days in November:
11 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall
Casselman, PA
- Average snowfall in January:
7.44" - Average snowfall in February:
7.01" - Average snowfall in March:
6.97" - Average snowfall in April:
1.5" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Casselman, PA
- Average snowfall days in January:
17.2 days - Average snowfall days in February:
13.9 days - Average snowfall days in March:
11.7 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.7 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:
1.9 days - Average snowfall days in November:
7 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Casselman, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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:
3h and 18min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Casselman, PA
- Average sunshine days in January:
7.2 days - Average sunshine days in February:
6.9 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
6.2 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
10.5 days - Average sunshine days in September:
11.8 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
9.2 days
The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).
Average UV index
Casselman, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Casselman, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility
Casselman, PA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
