Climate and monthly weather forecastPlattsburgh, NY

Climate and monthly weather forecast
The climate of Plattsburgh
Situated in the state of New York, USA, the city of Plattsburgh belongs to the Köppen Dfb climate classification. It is characteristic for the Humid Continental climate zone with no dry season and a warm summer. As observed, the average temperature sways extensively from a chilling low of 12.4°F (-10.9°C) in January to a rather mild high of 79°F (26.1°C) in July. Concurrently, the relative humidity is relatively consistent yearlong, oscillating between 75% and 86%.Rainfall in Plattsburgh is quite uniform across the year with February being the month with the least precipitation of 1.73" (44mm) and June experiencing the most rainfall, 3.15" (80mm). Added to this, an interesting pattern in the number of rainfall days is seen with the highest volume occurring between June to August and the lowest in February. In terms of sunlight, Plattsburgh enjoys the most daylight hours from June to August and the shortest days during December. The region experiences a higher volume of cloud cover during winter, which gradually clears up as spring and summer set in.
Unique to Plattsburgh is the significant level of snowfall from December to February with January being the peak month of 10" (254mm). The presence of the sturdy wind, averaging between 5.6mph (9km/h) and 7.6mph (12.2km/h) throughout the year, further contributes to the cool climate.
The Best Time to Visit Plattsburgh
Considering the prevalence of milder temperatures, a lower frequency of rainfall days, and longer daylight hours; the period from June through August makes for the best time to visit Plattsburgh. During this time, the city experiences peak daylight hours, around 15.5 hours in June, along with more sunshine hours presenting ideal weather to explore the destination.The Worst Time to Visit Plattsburgh
Visitors may want to avoid the winter months from December to February due to the harsh cold temperatures that can drop to an average low of 12.4°F (-10.9°C). Besides, these months are characterized by the heaviest snowfall making it less conducive for travel and outdoor activities.Spring Weather in Plattsburgh
Spring in Plattsburgh, from March to May, highlights a gradual warming trend. The average temperature rises from a high of 36.3°F (2.4°C) in March to 65.5°F (18.6°C) in May. Concurrently, rainfall measures augment slightly from 1.97" (50mm) in March to 2.64" (67mm) in May. This season sees relatively longer daylight hours, from 12 hours in March to nearly 15 hours by the end of May, providing ample opportunities to enjoy outdoor activities.Summer Weather in Plattsburgh
Summer lasts from June to August, and during this time, temperatures are mild, averaging between highs of 72.1°F (22.3°C) and 79°F (26.1°C). Despite being the wettest season with rainfall reaching 3.15" (80mm) in June, the number of rainfall days remains consistent at around 17 to18 days per month. The ample sunlight, with an average of 10 to 10.6 sunshine hours daily, makes it the perfect season for outdoor exploration.Autumn Weather in Plattsburgh
During autumn, from September to November, temperatures begin to lower from a high of 69.6°F (20.9°C) in September to a high of 42.3°F (5.7°C) in November. The rainfall, though consistent, sees a slight increase to 2.6" (66mm) in October, while the number of daylight hours gradually decreases from 12.5 hours in September to 9.6 hours by November.Winter Weather in Plattsburgh
The winter months of December to February in Plattsburgh can be quite harsh. Average high temperatures plummet to between 24.8°F (-4°C) and 30.9°F (-0.6°C) while the lows could hover around freezing point. The region experiences a significant level of snowfall at this time averaging from 5.59" (142mm) to 10" (254mm), making it the least suitable season for travel.Weather in January
January in Plattsburgh, New York, USA is defined by cold weather and moderate precipitation. Snowfall is frequent, making it an ideal month for winter sports enthusiasts. Beneath the wintry veneer, overall air pressure, pegged at 30.02" (763mm) average, remains steady. Weather in January »Weather in February
February weather drives deeper into the winter season, with a continuation of January's cold conditions. Compared to January, the snowfall in February increases subtly to back up the notion of chilling conditions. Come February, the wind speeds top out at a relatively moderate 7.6mph (12.2km/h), fostering a brisk, wintry ambience. Weather in February »Weather in March
March is the first whiff of the transition season from chilling winters to milder springs. Standout differences morph the February snowscapes into more diverse March weather displays. Incidentally, the snowfall tapering off to 5.43" (138mm), the landscape begins to wear a less dense white coat. Weather in March »Weather in April
Spring gains confident footing in April, with the winters now just a memory. Notably distinguishable from March, the transformation of the weather landscape is evident. April leaves behind an inch impression with the relatively high rainfall of 2.4" (61mm), serving as a watercolor to paint nature's rebirth. Weather in April »Weather in May
The transition into summer begins with May, which brings more temperate weather conditions. From April to May, there's an observable overhaul as comfortably warm temperatures devour the lingering spring chills. Maximum daylight hours reach 14.8 hours, bathing Plattsburgh in significant sunlight. Weather in May »Weather in June
June marks the definitive onset of summer in Plattsburgh, with heat and humidity giving way to more relaxed outdoor events. Contrasting with the mild May, June cranks up the summer heat, leaving cooling refreshments in high demand. Weather in June »Weather in July
July is the peak of summer in Plattsburgh, boasting warm temperatures, scant cloud cover, and longer days. Providing a tie with June's high temperatures, July pinnacles at an average high of 79°F (26.1°C). Despite these highs, the persistent winds provide frequent solace to beat the heat. Weather in July »Weather in August
August continues the warm saga, extending the ambiance crafted by July. The weather this month doesn't deviate radically from that of July. A climatic point though is the high rainfall of 2.76" (70mm), turning the city's greens even brighter. Weather in August »Weather in September
September stands at the threshold of fall, introducing the season's unique tranquility and temperate conditions. Swapping the warm August temperatures for cooler averages, September sings the first notes of autumn’s lullaby. Weather in September »Weather in October
October ushers in definitive autumn season with falling leaves and an increasingly cold atmosphere. Compared to September, October displays a sharp decline in temperatures, signaling the proximity of winter. Ever-changing hues paint the city as the average daily daylight viewpoint reduces to 11 hours. Weather in October »Weather in November
November carries along the biting cold, with the effects of winter piercing through the remaining fall aura. As opposed to October, November witnesses an increase in snowfall to 5.63" (143mm), and the city starts to blanket in white. Weather in November »Weather in December
December in Plattsburgh welcomes winter fully with steady snowfall, chill temperatures, and reduced daylight hours. Unlike November, the snow now forms a consistent bulky layer, with the snow height peaking at 5.59" (142mm). The arrival of December paints a snow-covered landscape, signaling the perfect backdrop for the holiday season. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Plattsburgh, NY
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.8°F).
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure
Plattsburgh, NY
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Plattsburgh, NY
- Average wind speed in January:
7mph - Average wind speed in February:
7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.9mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Plattsburgh, NY
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall
Plattsburgh, NY
- Average rainfall in January:
1.77" - Average rainfall in February:
1.73" - Average rainfall in March:
1.97" - Average rainfall in April:
2.4" - Average rainfall in May:
2.64" - Average rainfall in June:
3.15"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.76" - Average rainfall in September:
1.77" - Average rainfall in October:
2.6" - Average rainfall in November:
2.17" - Average rainfall in December:
2.09"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days
Plattsburgh, NY
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Plattsburgh, NY
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Plattsburgh, NY
- Average snowfall days in January:
19.3 days - Average snowfall days in February:
18.3 days - Average snowfall days in March:
12.4 days - Average snowfall days in April:
4.9 days - Average snowfall days in May:
0.7 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:
1.4 days - Average snowfall days in November:
6.7 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Plattsburgh, NY
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days
Plattsburgh, NY
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
10 days - Average sunshine days in April:
10.4 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
12.3 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index
Plattsburgh, 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 and December (UV index 1).
Average cloud cover
Plattsburgh, NY
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Plattsburgh, NY
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





