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, in Johnstown, Pennsylvania, is another subzero cold winter month, with an average temperature ranging between min 18.9°F (-7.3°C) and max 30.7°F (-0.7°C). With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.9°F (-7.3°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Johnstown, Pennsylvania, with an average temperature ranging between max 35.2°F (1.8°C) and min 21.6°F (-5.8°C). In February, the average high-temperature is almost the same as in January - a cold 35.2°F (1.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Johnstown, Pennsylvania, with an average temperature fluctuating between 44.2°F (6.8°C) and 28.8°F (-1.8°C). In Johnstown, the average high-temperature in March rises from a cold 35.2°F (1.8°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a mild spring month in Johnstown, Pennsylvania, with an average temperature ranging between min 38.5°F (3.6°C) and max 57°F (13.9°C). In April, the average high-temperature increases from a frosty 44.2°F (6.8°C) in March to a mild 57°F (13.9°C). Weather in April »
Weather in May
May, the last month of the spring in Johnstown, is an agreeable month, with an average temperature ranging between max 68°F (20°C) and min 48.7°F (9.3°C). In Johnstown, the average high-temperature in May increases from a moderate 57°F (13.9°C) in April to an agreeable 68°F (20°C). Weather in May »
Weather in June
June, the first month of the summer in Johnstown, is a moderately hot month, with an average temperature ranging between max 75.6°F (24.2°C) and min 55°F (12.8°C). In June, the average high-temperature marginally rises from an agreeable 68°F (20°C) in May to a moderately hot 75.6°F (24.2°C). Weather in June »
Weather in July
July, like June, in Johnstown, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 80.2°F (26.8°C) and 58.8°F (14.9°C). The warmest month is July, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 58.8°F (14.9°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Johnstown, Pennsylvania, with an average temperature fluctuating between 77.9°F (25.5°C) and 56.8°F (13.8°C). In Johnstown, the average high-temperature in August is essentially the same as in July - a still warm 77.9°F (25.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Johnstown, is also an agreeable month, with an average temperature varying between 72.1°F (22.3°C) and 52.7°F (11.5°C). In September, the average high-temperature marginally drops from a warm 77.9°F (25.5°C) in August to an agreeable 72.1°F (22.3°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Johnstown, Pennsylvania, with an average temperature varying between 59°F (15°C) and 43.3°F (6.3°C). In Johnstown, the average high-temperature in October drops from an agreeable 72.1°F (22.3°C) in September to a mild 59°F (15°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Johnstown, Pennsylvania, with an average temperature varying between 46.6°F (8.1°C) and 32°F (0°C). In November, the average high-temperature decreases from a moderate 59°F (15°C) in October to a frosty 46.6°F (8.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Johnstown, Pennsylvania, with an average temperature fluctuating between 26.1°F (-3.3°C) and 36.9°F (2.7°C). In December, the average high-temperature decreases from a chilly 46.6°F (8.1°C) in November to a cold 36.9°F (2.7°C). Weather in December »
[Resources]FAQ
What is the coldest month in Johnstown?
The coldest month is January, with an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.9°F (-7.3°C).
How many days does it rain in Johnstown?
Throughout the year, in Johnstown, Pennsylvania, there are 152.7 rainfall days, and 21.1" (536mm) of precipitation is accumulated.
When does it snow in Johnstown?
January through May, October through December are months with snowfall.
How much does it snow in Johnstown?
In Johnstown, Pennsylvania, during the entire year, snow falls for 47.7 days and aggregates up to 18.23" (463mm) of snow.
What is the month with the least sunshine in Johnstown?
January has the least sunshine of the year in Johnstown, with an average of 3h of sunshine.
What is the most humid month in Johnstown?
The most humid month in Johnstown, Pennsylvania, is February, with an average relative humidity of 87%.
When does it snow the most in Johnstown?
March is the month with the most snowfall. Snow falls for 8.2 days and accumulates 4.21" (107mm) of snow.
When is Daylight Saving Time (DST) in Johnstown?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the wettest month in Johnstown?
The month with the most rainfall is May, when the rain falls for 19.8 days and typically aggregates up to 2.56" (65mm) of precipitation.
What is the month with the highest UV index in Johnstown?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Johnstown, Pennsylvania.
When it does not snow in Johnstown?
In Johnstown, snow does not fall in June through September.
When are the longest days in Johnstown?
The month with the longest days in Johnstown, Pennsylvania, is June, with an average of 15h and 0min of daylight.
What is the warmest month in Johnstown?
With an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 58.8°F (14.9°C), July is the warmest month in Johnstown, Pennsylvania.
What is the least humid month in Johnstown?
The least humid month in Johnstown is July, with an average relative humidity of 78%.
What month has the most sunshine in Johnstown?
The month with the most sunshine in Johnstown is July, with an average of 9.8h of sunshine.
What is the driest month in Johnstown?
November is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.1" (28mm) of precipitation.
What is the month with the shortest days in Johnstown?
With an average of 9h and 21min of daylight, December has the shortest days of the year in Johnstown.
When is the lowest UV index in Johnstown?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Johnstown, PA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Johnstown, 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:
30.03"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
Johnstown, PA
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.7mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.6mph - 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 (5.2mph).
Average humidity
Johnstown, PA
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (78%).
Average rainfall
Johnstown, PA
- Average rainfall in January:
1.38" - Average rainfall in February:
1.61" - Average rainfall in March:
1.73" - Average rainfall in April:
1.93" - Average rainfall in May:
2.56" - Average rainfall in June:
1.85"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days
Johnstown, PA
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Johnstown, PA
- Average snowfall in January:
3.98" - Average snowfall in February:
4.09" - Average snowfall in March:
4.21" - Average snowfall in April:
0.83" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Johnstown, PA
- Average snowfall days in January:
12 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
8.2 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.4 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:
0.9 days - Average snowfall days in November:
4.1 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Johnstown, 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 2min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Johnstown, PA
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.2 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
9 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9 days).
Average UV index
Johnstown, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Johnstown, PA
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility
Johnstown, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
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