Climate and monthly weather forecastMount Washington, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Mount Washington, Pennsylvania, with an average temperature varying between 21°F (-6.1°C) and 33.1°F (0.6°C). January is the coldest month, exhibiting average temperatures of 33.1°F (0.6°C) at the peak and 21°F (-6.1°C) at the base. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Mount Washington, Pennsylvania, with an average temperature varying between 23.4°F (-4.8°C) and 37.6°F (3.1°C). Mount Washington's shift from January to February is accompanied by an average high-temperature of a still wintry 37.6°F (3.1°C), a slight deviation from 33.1°F (0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Mount Washington, Pennsylvania, with an average temperature varying between 31.5°F (-0.3°C) and 47.8°F (8.8°C). Mount Washington's weather in March presents a rise in the average high-temperature, moving from a wintry 37.6°F (3.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »Weather in April
April in Mount Washington, Pennsylvania, is an enjoyable spring month, with an average temperature fluctuating between 41.5°F (5.3°C) and 61°F (16.1°C). April's arrival signals a temperature shift, moving from a chilly 47.8°F (8.8°C) in March to a refreshing 61°F (16.1°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Mount Washington, Pennsylvania, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 72.1°F (22.3°C). A rise in the average high-temperature is observed during May, moving from a refreshing 61°F (16.1°C) in April to an agreeable 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 Mount Washington, Pennsylvania, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 79.3°F (26.3°C). June's arrival coincides with a subtle temperature rise, moving from May's pleasant 72.1°F (22.3°C) to a warm 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Mount Washington, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 84°F (28.9°C) and 63°F (17.2°C). In Mount Washington, July is identified by the highest average temperatures, reaching a peak of 84°F (28.9°C) and a low of 63°F (17.2°C). July's average heat index is estimated at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Mount Washington, Pennsylvania, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 61.3°F (16.3°C). The commencement of August records an average high-temperature of a still warm 82.2°F (27.9°C), barely varying from July's 84°F (28.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Mount Washington, Pennsylvania, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.7°F (24.3°C). The average high-temperature slightly decreases in September, shifting from 82.2°F (27.9°C) in August to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Mount Washington, Pennsylvania, with an average temperature ranging between min 45.5°F (7.5°C) and max 62.2°F (16.8°C). October's onset brings a slight change in high-temperatures, falling from a warm 75.7°F (24.3°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Mount Washington, Pennsylvania, with an average temperature varying between 49.1°F (9.5°C) and 34.2°F (1.2°C). In the transition to November, Mount Washington observes a drop in the average high-temperature, moving from a comfortable 62.2°F (16.8°C) in October to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in Mount Washington, is also an icy month, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 28.4°F (-2°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 49.1°F (9.5°C) to an icy 39.4°F (4.1°C). Weather in December »Updated: Aug 14, 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
The coldest period is January, when temperatures fluctuate between an average high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C).
January and February, with an average relative humidity of 84%, are most humid months.
In Mount Washington, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 14.4 days and typically aggregates up to 3.31" (84mm) of snow.
Throughout the year, there are 47.7 snowfall days, and 11.77" (299mm) of snow is accumulated.
With an average of 2.8h of sunshine, January has the least sunshine of the year.
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.
The month with the most rainfall is May, when the rain falls for 18.9 days and typically aggregates up to 3.07" (78mm) of precipitation.
May through September are months without snowfall.
May through July, with an average maximum UV index of 6, are months with the highest UV index.
With an average of 15h and 0min of daylight, June has the longest days of the year in Mount Washington.
In Mount Washington, July is the month with the highest recorded average temperatures, measuring a high of 84°F (28.9°C) and a low of 63°F (17.2°C).
July and August, with an average relative humidity of 73%, are the least humid months.
August has the most sunshine of the year, with an average of 10.1h of sunshine.
The month with the least rainfall is November, when the rain falls for 9.8 days and typically collects 1.54" (39mm) of precipitation.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
December is the month with the lowest UV index in Mount Washington, Pennsylvania, with an average maximum UV index of 1.
Average temperature
Mount Washington, PA
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Mount Washington, 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:
29.97"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:
30.13"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Mount Washington, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Mount Washington, PA
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall
Mount Washington, PA
- Average rainfall in January:
1.69" - Average rainfall in February:
1.93" - Average rainfall in March:
2.05" - Average rainfall in April:
2.76" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.05" - Average rainfall in September:
2.13" - Average rainfall in October:
2.09" - Average rainfall in November:
1.54" - Average rainfall in December:
2.13"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days
Mount Washington, PA
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).
Average snowfall
Mount Washington, PA
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mount Washington, PA
- Average snowfall days in January:
14.4 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0 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:
0.2 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
10.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mount Washington, 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:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Mount Washington, PA
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index
Mount Washington, 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
Mount Washington, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Mount Washington, PA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
