Climate and monthly weather forecastPortlandville, NY
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Portlandville, New York, with an average temperature varying between 27°F (-2.8°C) and 15.1°F (-9.4°C). January, marked by an average high-temperature of 27°F (-2.8°C) and a low-temperature of 15.1°F (-9.4°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Portlandville, New York, with an average temperature fluctuating between 29.5°F (-1.4°C) and 16.9°F (-8.4°C). The commencement of February notes an average high-temperature of a still freezing cold 29.5°F (-1.4°C), exhibiting little difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a cold month in Portlandville, New York, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 38.1°F (3.4°C). Observing a slight rise in March, the average high-temperature shifts from February's freezing cold 29.5°F (-1.4°C) to an icy 38.1°F (3.4°C). Weather in March »Weather in April
April is a fresh spring month in Portlandville, New York, with an average temperature ranging between min 33.6°F (0.9°C) and max 51.4°F (10.8°C). With the transition into April, Portlandville experiences an increase in average high-temperatures, moving up from a wintry 38.1°F (3.4°C) in March to a fresh 51.4°F (10.8°C). Weather in April »Weather in May
May, the last month of the spring in Portlandville, is a comfortable month, with an average temperature fluctuating between 64.6°F (18.1°C) and 44.8°F (7.1°C). May's onset witnesses a shift in the average high-temperature, moving from a fresh 51.4°F (10.8°C) in April to a comfortable 64.6°F (18.1°C). Weather in May »Weather in June
June, the first month of the summer in Portlandville, is an agreeable month, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 72°F (22.2°C). June comes with a subtle rise, with the average high-temperature adjusting from an enjoyable 64.6°F (18.1°C) in May to a pleasant 72°F (22.2°C). Weather in June »Weather in July
July in Portlandville, New York, is a moderately hot summer month, with an average temperature fluctuating between 55.9°F (13.3°C) and 77.5°F (25.3°C). The warmest time of the year is July, with temperatures averaging a high of 77.5°F (25.3°C) and a low of 55.9°F (13.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Portlandville, New York, with an average temperature ranging between max 75.2°F (24°C) and min 54.1°F (12.3°C). The unfolding of August shows an average high-temperature of a still warm 75.2°F (24°C), indicating a slight variance from July's 77.5°F (25.3°C). Weather in August »Weather in September
September, the first month of the autumn in Portlandville, is also an agreeable month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 48.4°F (9.1°C). As August makes way for September, Portlandville's average high-temperature eases from a warm 75.2°F (24°C) to an agreeable 68.9°F (20.5°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Portlandville, New York, with an average temperature varying between 55.9°F (13.3°C) and 40.6°F (4.8°C). As Portlandville enters October, the average high-temperature decreases from the a pleasant 68.9°F (20.5°C) of September to a refreshing 55.9°F (13.3°C). Weather in October »Weather in November
November, the last month of the autumn in Portlandville, is also an icy month, with an average temperature fluctuating between 42.4°F (5.8°C) and 30°F (-1.1°C). November's arrival comes with a decrease in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in October to an icy 42.4°F (5.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Portlandville, New York, with an average temperature ranging between max 32.9°F (0.5°C) and min 22.5°F (-5.3°C). December's arrival correlates with a reduction in the average high-temperature, down from a cold 42.4°F (5.8°C) in November to a still wintry 32.9°F (0.5°C). Weather in December »Updated: Feb 13, 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
In Portlandville, January registers the lowest temperatures, averaging 27°F (-2.8°C) at the peak and 15.1°F (-9.4°C) at the lowest.
The months with the highest humidity in Portlandville, New York, are January, February and December, with an average relative humidity of 87%.
Throughout the year, there are 161.4 rainfall days, and 31.26" (794mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Portlandville.
In Portlandville, New York, during the entire year, snow falls for 92.9 days and aggregates up to 48.27" (1226mm) of snow.
The months with the lowest UV index in Portlandville, New York, are January through March, November and December, with an average maximum UV index of 1.
February is the month with the most snowfall. Snow falls for 19.3 days and accumulates 9.13" (232mm) of snow.
February has the least sunshine of the year, with an average of 2.6h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Portlandville, 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 months with the lowest humidity are April and May, with an average relative humidity of 79%.
May through August, with an average maximum UV index of 5, are months with the highest UV index in Portlandville, New York.
June through September are months without snowfall in Portlandville, New York.
With an average of 15h and 18min of daylight, June has the longest days of the year in Portlandville, New York.
July proves to be the warmest month, recording an average peak temperature of 77.5°F (25.3°C) and a minimum temperature of 55.9°F (13.3°C).
July has the most sunshine of the year in Portlandville, with an average of 9.8h of sunshine.
The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 3.15" (80mm) of precipitation.
September is the month with the least rainfall in Portlandville, New York. Rain falls for 13.4 days and accumulates 2.01" (51mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year in Portlandville, New York.
Average temperature
Portlandville, NY
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Portlandville, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Portlandville, NY
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Portlandville, NY
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall
Portlandville, NY
- Average rainfall in January:
2.28" - Average rainfall in February:
2.32" - Average rainfall in March:
2.36" - Average rainfall in April:
2.87" - Average rainfall in May:
2.87" - Average rainfall in June:
2.99"
- Average rainfall in July:
2.83" - Average rainfall in August:
3.15" - Average rainfall in September:
2.01" - Average rainfall in October:
2.83" - Average rainfall in November:
2.32" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Portlandville, NY
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
15 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).
Average snowfall
Portlandville, NY
- Average snowfall in January:
9.09" - Average snowfall in February:
9.13" - Average snowfall in March:
8.5" - Average snowfall in April:
4.25" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Portlandville, NY
- Average snowfall days in January:
20.6 days - Average snowfall days in February:
19.3 days - Average snowfall days in March:
15.8 days - Average snowfall days in April:
6.6 days - Average snowfall days in May:
0.8 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:
3 days - Average snowfall days in November:
10.1 days - Average snowfall days in December:
16.7 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Portlandville, NY
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 18min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
2h and 36min - Average sunshine in March:
4h and 30min - Average sunshine in April:
6h and 48min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 18min - Average sunshine in October:
4h and 36min - Average sunshine in November:
4h and 6min - Average sunshine in December:
2h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days
Portlandville, NY
- Average sunshine days in January:
6.3 days - Average sunshine days in February:
5.5 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
11.5 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
11.4 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
7.9 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.5 days).
Average UV index
Portlandville, NY
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, November and December (UV index 1).
Average cloud cover
Portlandville, NY
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility
Portlandville, NY
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
