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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, the same as December, is an icy winter month in California, Pennsylvania, with an average temperature fluctuating between 21.2°F (-6°C) and 34°F (1.1°C). January, with its high-temperature average of 34°F (1.1°C) and a low-temperature average of 21.2°F (-6°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in California, Pennsylvania, with an average temperature fluctuating between 23.7°F (-4.6°C) and 38.7°F (3.7°C). The shift from January to February is characterized by an average high-temperature of a still wintry 38.7°F (3.7°C), not significantly different from the 34°F (1.1°C) of January. Weather in February »
Weather in March
March, the first month of the spring in California, is a frosty month, with an average temperature ranging between max 48°F (8.9°C) and min 31.5°F (-0.3°C). California's March weather shows an increase in high-temperatures, moving from February's cold 38.7°F (3.7°C) to a frosty 48°F (8.9°C). Weather in March »
Weather in April
April in California, Pennsylvania, is a refreshing spring month, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 41.2°F (5.1°C). April witnesses an increase in the average high-temperature, moving from a frosty 48°F (8.9°C) in March to a mild 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in California, is an agreeable month, with an average temperature fluctuating between 51.6°F (10.9°C) and 72.1°F (22.3°C). Noticing a change, the average high-temperature during May moves from April's mild 60.6°F (15.9°C) to a pleasant 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in California, Pennsylvania, with an average temperature varying between 57.7°F (14.3°C) and 78.6°F (25.9°C). California in June denotes a subtle temperature transition, adjusting from an average high of an agreeable 72.1°F (22.3°C) in May to a warm 78.6°F (25.9°C). Weather in June »
Weather in July
July, like June, in California, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 61.5°F (16.4°C). With average high and low temperatures of 82.9°F (28.3°C) and 61.5°F (16.4°C) respectively, July is California's warmest month. The heat index value for July is estimated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in California, Pennsylvania, with an average temperature varying between 59.7°F (15.4°C) and 81.9°F (27.7°C). California in August witnesses an average high-temperature of a still moderately hot 81.9°F (27.7°C), indicating a slight variation from July's 82.9°F (28.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in California, Pennsylvania, with an average temperature varying between 55°F (12.8°C) and 75.4°F (24.1°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 81.9°F (27.7°C) to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in California, Pennsylvania, is another enjoyable autumn month, with an average temperature ranging between max 62.2°F (16.8°C) and min 45.1°F (7.3°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a warm 75.4°F (24.1°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in California, Pennsylvania, with an average temperature fluctuating between 49.6°F (9.8°C) and 33.8°F (1°C). November's arrival comes with a decrease in the average high-temperature, moving from a refreshing 62.2°F (16.8°C) in October to a frosty 49.6°F (9.8°C). Weather in November »
Weather in December
December, the first month of the winter in California, is also a wintry month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 28.8°F (-1.8°C). In California, entering December brings a temperature decrement, reducing from November's frosty 49.6°F (9.8°C) to a cold 40.1°F (4.5°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
What month is the coldest?
In California, Pennsylvania, the lowest temperatures are generally noted in January, averaging a high of 34°F (1.1°C) and a low of 21.2°F (-6°C).
What is the most humid month?
January and February, with an average relative humidity of 84%, are most humid months.
How much does it rain?
In California, Pennsylvania, during the entire year, the rain falls for 191.3 days and collects up to 35.24" (895mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 17.8 days and accumulates 6.26" (159mm) of snow.
How many days does it snow?
Throughout the year, there are 60.2 snowfall days, and 25.08" (637mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3h of sunshine.
When is Daylight Saving Time (DST)?
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 wettest month?
The month with the most rainfall is May, when the rain falls for 21.8 days and typically aggregates up to 3.78" (96mm) of precipitation.
What are the months with the highest UV index?
May through July, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What time of the year is the hottest?
July stands out as California's warmest month, with temperatures ranging between an average high of 82.9°F (28.3°C) and a low of 61.5°F (16.4°C).
What is the least humid month?
With an average relative humidity of 76%, August is the least humid month.
What month has the most sunshine?
With an average of 10.2h of sunshine, August has the most sunshine of the year.
What is the driest month?
November is the month with the least rainfall. Rain falls for 12.6 days and accumulates 2.13" (54mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
California, PA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
California, 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:
30.05"Hg - Average pressure in October:
30.03"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
California, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
California, PA
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).
Average rainfall
California, PA
- Average rainfall in January:
2.64" - Average rainfall in February:
2.91" - Average rainfall in March:
2.91" - Average rainfall in April:
3.39" - Average rainfall in May:
3.78" - Average rainfall in June:
3.39"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.52" - Average rainfall in September:
2.4" - Average rainfall in October:
2.91" - Average rainfall in November:
2.13" - Average rainfall in December:
3.07"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days
California, PA
- Average rainfall days in January:
11.7 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
18.2 days - Average rainfall days in May:
21.8 days - Average rainfall days in June:
19.1 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
12.6 days - Average rainfall days in December:
14 days
The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).
Average snowfall
California, PA
- Average snowfall in January:
6.26" - Average snowfall in February:
6.22" - Average snowfall in March:
4.45" - Average snowfall in April:
0.79" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
California, PA
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
13.4 days - Average snowfall days in March:
8.6 days - Average snowfall days in April:
2.5 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:
0.4 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
12.6 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
California, 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:
3h and 0min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
California, PA
- Average sunshine days in January:
6.8 days - Average sunshine days in February:
7.7 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
8.2 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
12.7 days - Average sunshine days in November:
14.3 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index
California, PA
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
California, PA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
California, PA
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
California, Pennsylvania, USA
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