Climate and monthly weather forecastUnionville, NY
Climate and monthly weather forecast
Weather in January
January, like December, in Unionville, New York, is another cold winter month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 32°F (0°C). In Unionville, January is the coldest month, with temperatures averaging a high of 32°F (0°C) and a low of 18.9°F (-7.3°C). Weather in January »Weather in February
February, the last month of the winter in Unionville, is also a wintry month, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 35.6°F (2°C). Unionville observes a minor difference in average high-temperatures between January's 32°F (0°C) and February's 35.6°F (2°C). Weather in February »Weather in March
March, the first month of the spring in Unionville, is a chilly month, with an average temperature fluctuating between 43.9°F (6.6°C) and 27.7°F (-2.4°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from a wintry 35.6°F (2°C) to a frosty 43.9°F (6.6°C). Weather in March »Weather in April
April is a mild spring month in Unionville, New York, with an average temperature varying between 37.9°F (3.3°C) and 55.9°F (13.3°C). Unionville's transition into April sees a rise in the average high-temperature, advancing from a frosty 43.9°F (6.6°C) in March to a refreshing 55.9°F (13.3°C). Weather in April »Weather in May
May, the last month of the spring in Unionville, is a pleasant month, with an average temperature varying between 68.2°F (20.1°C) and 47.8°F (8.8°C). The shift into May brings an increase in the average high-temperature, moving from a mild 55.9°F (13.3°C) in April to a pleasant 68.2°F (20.1°C). Weather in May »Weather in June
June, the first month of the summer in Unionville, is a warm month, with an average temperature ranging between min 54.7°F (12.6°C) and max 75.9°F (24.4°C). As Unionville, New York, transitions into June, the average high-temperature is observed to slightly rise from a pleasant 68.2°F (20.1°C) in May to a moderately hot 75.9°F (24.4°C). Weather in June »Weather in July
July, like June, in Unionville, New York, is a moderately hot summer month, with an average temperature varying between 60.6°F (15.9°C) and 82.4°F (28°C). July is the warmest month, exhibiting average temperatures of 82.4°F (28°C) at the peak and 60.6°F (15.9°C) at the base. For July, the heat index is appraised at a tropical 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Unionville, New York, with an average temperature fluctuating between 58.8°F (14.9°C) and 80.1°F (26.7°C). August ushers in an average high-temperature of a still moderately hot 80.1°F (26.7°C), aligning closely with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Unionville, New York, with an average temperature varying between 52.9°F (11.6°C) and 73°F (22.8°C). The arrival of September corresponds with a light shift in temperature, down from a moderately hot 80.1°F (26.7°C) in August to an agreeable 73°F (22.8°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Unionville, New York, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 43.9°F (6.6°C). As October arrives, Unionville's weather displays a decrease in high-temperatures, transitioning from September's agreeable 73°F (22.8°C) to a refreshing 60.1°F (15.6°C). Weather in October »Weather in November
November, the last month of the autumn in Unionville, is another chilly month, with an average temperature varying between 47.7°F (8.7°C) and 32.9°F (0.5°C). A shift in Unionville's weather is observed as October turns into November, with the average high temperature reducing from a refreshing 60.1°F (15.6°C) to a chilly 47.7°F (8.7°C). Weather in November »Weather in December
December, the first month of the winter in Unionville, is also an icy month, with an average temperature varying between 25.9°F (-3.4°C) and 37.8°F (3.2°C). The arrival of December signals a shift in temperature, down from a frosty 47.7°F (8.7°C) in November to a cold 37.8°F (3.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Unionville, NY
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Unionville, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Unionville, NY
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.1mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Unionville, NY
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall
Unionville, NY
- Average rainfall in January:
1.85" - Average rainfall in February:
2.01" - Average rainfall in March:
2.28" - Average rainfall in April:
2.83" - Average rainfall in May:
3.15" - Average rainfall in June:
3.03"
- Average rainfall in July:
3.39" - Average rainfall in August:
2.76" - Average rainfall in September:
1.97" - Average rainfall in October:
2.76" - Average rainfall in November:
1.93" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days
Unionville, NY
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall
Unionville, NY
- Average snowfall in January:
4.13" - Average snowfall in February:
5.12" - Average snowfall in March:
3.78" - Average snowfall in April:
0.28" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Unionville, NY
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
1.1 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:
0.4 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Unionville, NY
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Unionville, NY
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
12 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
19 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11 days).
Average UV index
Unionville, 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 2).
Average cloud cover
Unionville, NY
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility
Unionville, NY
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





