Climate and monthly weather forecastRound Lake, NY
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Round Lake, New York, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 16.7°F (-8.5°C). The lowest temperatures are recorded in January, with averages reaching a high of 28.2°F (-2.1°C) and a low of 16.7°F (-8.5°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Round Lake, New York, with an average temperature varying between 31.5°F (-0.3°C) and 18.3°F (-7.6°C). February observes an average high-temperature of a still subzero cold 31.5°F (-0.3°C), marking an insignificant difference from January's 28.2°F (-2.1°C). Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Round Lake, New York, with an average temperature fluctuating between 40.5°F (4.7°C) and 25.7°F (-3.5°C). March's onset brings a temperature rise, moving from a freezing cold 31.5°F (-0.3°C) in February to a wintry 40.5°F (4.7°C). Weather in March »Weather in April
April in Round Lake, New York, is a cool spring month, with an average temperature ranging between max 54.5°F (12.5°C) and min 36°F (2.2°C). April's arrival brings a change in high-temperatures, moving from an icy 40.5°F (4.7°C) in March to a fresh 54.5°F (12.5°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Round Lake, New York, with an average temperature ranging between min 47.1°F (8.4°C) and max 68.5°F (20.3°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a cool 54.5°F (12.5°C) to an agreeable 68.5°F (20.3°C). Weather in May »Weather in June
June, the first month of the summer in Round Lake, is a warm month, with an average temperature varying between 53.4°F (11.9°C) and 75°F (23.9°C). June comes with a subtle rise, with the average high-temperature adjusting from a pleasant 68.5°F (20.3°C) in May to a warm 75°F (23.9°C). Weather in June »Weather in July
July, like June, in Round Lake, New York, is a moderately hot summer month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 59.5°F (15.3°C). The highest temperatures are recorded in July, with averages reaching a high of 81.3°F (27.4°C) and a low of 59.5°F (15.3°C). The heat index in July is calculated to be a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Round Lake, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 58.1°F (14.5°C). The average high-temperature in August, at a still warm 79.3°F (26.3°C), reveals a modest deviation from July's 81.3°F (27.4°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Round Lake, New York, with an average temperature varying between 51.4°F (10.8°C) and 72.1°F (22.3°C). September witnesses a gentle descent in average high-temperature, descending from August's warm 79.3°F (26.3°C) to an agreeable 72.1°F (22.3°C). Weather in September »Weather in October
October, the same as September, in Round Lake, New York, is another refreshing autumn month, with an average temperature varying between 43°F (6.1°C) and 58.1°F (14.5°C). Start of October brings a shift in the average high-temperature, falling from September's pleasant 72.1°F (22.3°C) to a mild 58.1°F (14.5°C). Weather in October »Weather in November
November, the last month of the autumn in Round Lake, is also a frosty month, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 45.3°F (7.4°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a moderate 58.1°F (14.5°C) in October to a chilly 45.3°F (7.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Round Lake, New York, with an average temperature fluctuating between 33.8°F (1°C) and 24.4°F (-4.2°C). Stepping into December, Round Lake observes a temperature decline, with the average high falling from November's frosty 45.3°F (7.4°C) to a cold 33.8°F (1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Round Lake, NY
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
Round Lake, NY
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Round Lake, NY
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Round Lake, NY
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Round Lake, NY
- Average rainfall in January:
2.13" - Average rainfall in February:
2.28" - Average rainfall in March:
1.97" - Average rainfall in April:
2.83" - Average rainfall in May:
3.35" - Average rainfall in June:
3.15"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.8" - Average rainfall in September:
2.09" - Average rainfall in October:
3.03" - Average rainfall in November:
2.09" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is March (1.97").
Average rainfall days
Round Lake, NY
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall
Round Lake, NY
- Average snowfall in January:
7.32" - Average snowfall in February:
7.2" - Average snowfall in March:
4.06" - Average snowfall in April:
0.71" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Round Lake, NY
- Average snowfall days in January:
11.4 days - Average snowfall days in February:
10.7 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.2 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:
0.5 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Round Lake, NY
- Average daylight in January:
9h and 24min - 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 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - 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 42min - 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:
4h and 12min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days
Round Lake, NY
- Average sunshine days in January:
17 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Round Lake, 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 February and December (UV index 1).
Average cloud cover
Round Lake, NY
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Round Lake, NY
The months with the highest visibility are April, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August and September (5mi).





