Climate and monthly weather forecastBellevue, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Bellevue, Pennsylvania, with an average temperature varying between 21°F (-6.1°C) and 33.1°F (0.6°C). Bellevue witnesses the coldest weather in January, with temperatures averaging a high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C). Weather in January »Weather in February
February, the last month of the winter in Bellevue, is also an icy month, with an average temperature varying between 37.6°F (3.1°C) and 23.4°F (-4.8°C). During February, Bellevue records an average high-temperature of a still icy 37.6°F (3.1°C), marking a slight divergence from January's 33.1°F (0.6°C). Weather in February »Weather in March
March, the first month of the spring in Bellevue, is a chilly month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 47.8°F (8.8°C). In March, the average high-temperature increases from an icy 37.6°F (3.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »Weather in April
April is a comfortable spring month in Bellevue, Pennsylvania, with an average temperature varying between 61°F (16.1°C) and 41.5°F (5.3°C). With the onset of April, the average high-temperature slightly shifts from March's chilly 47.8°F (8.8°C) to an enjoyable 61°F (16.1°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Bellevue, 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). The beginning of May signals a rise in the average high-temperature, moving from a refreshing 61°F (16.1°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Bellevue, Pennsylvania, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.6°F (14.8°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's agreeable 72.1°F (22.3°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Bellevue, Pennsylvania, is another warm summer month, with an average temperature varying between 63°F (17.2°C) and 84°F (28.9°C). July, with its average high-temperature of 84°F (28.9°C) and an average low-temperature of 63°F (17.2°C), holds the record as the warmest month. Throughout July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Bellevue, is another warm month, 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 arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 82.2°F (27.9°C) from July's 84°F (28.9°C). Weather in August »Weather in September
September, the first month of the autumn in Bellevue, is also a moderately hot month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 55.9°F (13.3°C). As September arrives, Bellevue's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 82.2°F (27.9°C) to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Bellevue, Pennsylvania, with an average temperature varying between 45.5°F (7.5°C) and 62.2°F (16.8°C). The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 75.7°F (24.3°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Bellevue, is another chilly month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 49.1°F (9.5°C). Setting in of November comes with a decrease in the average high-temperature, moving from a refreshing 62.2°F (16.8°C) in October to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in Bellevue, is also a wintry month, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 39.4°F (4.1°C). December is characterized by a reduction in the average high-temperature, from a chilly 49.1°F (9.5°C) in November to a wintry 39.4°F (4.1°C). Weather in December »Updated: Jul 23, 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
January stands out as Bellevue's coldest month, with an average high-temperature of 33.1°F (0.6°C) and a low-temperature of 21°F (-6.1°C).
January and February, with an average relative humidity of 84%, are most humid months.
In Bellevue, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.
January through April, October through December are months with snowfall.
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.
January has the least sunshine of the year in Bellevue, with an average of 2.8h of sunshine.
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.
The month with the longest days is June, with an average of 15h and 0min of daylight.
July tends to be the warmest month, with temperatures averaging a daily 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.
The month with the most sunshine is August, 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.
The month with the shortest days in Bellevue is December, with an average of 9h and 18min of daylight.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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
Bellevue, 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).
