Climate and monthly weather forecastSouth Orleans, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in South Orleans, Massachusetts, with an average temperature varying between 31.5°F (-0.3°C) and 38.8°F (3.8°C). January is the month when South Orleans sees the lowest average temperatures, with a high of 38.8°F (3.8°C) and a low of 31.5°F (-0.3°C). Weather in January »Weather in February
February, the last month of the winter in South Orleans, is also an icy month, with an average temperature varying between 31.8°F (-0.1°C) and 39°F (3.9°C). The arrival of February sees a recorded average high-temperature of a still icy 39°F (3.9°C), showing little divergence from the previous month's conditions. Weather in February »Weather in March
March, the first month of the spring in South Orleans, is also a wintry month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 41.2°F (5.1°C). March's presence records an average high-temperature of a still icy 41.2°F (5.1°C), closely mirroring February's climate. Weather in March »Weather in April
April is a frosty spring month in South Orleans, Massachusetts, with an average temperature fluctuating between 46.9°F (8.3°C) and 42.4°F (5.8°C). With the onset of April, the average high-temperature subtly transitions from a cold 41.2°F (5.1°C) in March to a frosty 46.9°F (8.3°C). Weather in April »Weather in May
May, the last month of the spring in South Orleans, is a cool month, with an average temperature ranging between min 50.4°F (10.2°C) and max 54.5°F (12.5°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's chilly 46.9°F (8.3°C) to a cool 54.5°F (12.5°C). Weather in May »Weather in June
June, the first month of the summer in South Orleans, is an enjoyable month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 58.6°F (14.8°C). June's arrival signals a modest temperature shift, moving from a cool 54.5°F (12.5°C) in May to a comfortable 62.8°F (17.1°C). Weather in June »Weather in July
July in South Orleans, Massachusetts, is a pleasant summer month, with an average temperature ranging between max 70.3°F (21.3°C) and min 66.9°F (19.4°C). July's arrival coincides with a marginal rise in the average high-temperature, moving from June's comfortable 62.8°F (17.1°C) to an agreeable 70.3°F (21.3°C). Weather in July »Weather in August
August, the last month of the summer in South Orleans, is another pleasant month, with an average temperature varying between 67.8°F (19.9°C) and 71.4°F (21.9°C). South Orleans registers the highest average temperatures during the month of August, with peaks of 71.4°F (21.9°C) and lows of 67.8°F (19.9°C). Weather in August »Weather in September
September, the first month of the autumn in South Orleans, is still a comfortable month, with an average temperature ranging between min 62.4°F (16.9°C) and max 66.6°F (19.2°C). South Orleans observes an average high-temperature of a comfortable 66.6°F (19.2°C) in September, barely different from 71.4°F (21.9°C) in August. Weather in September »Weather in October
October, the same as September, in South Orleans, Massachusetts, is another mild autumn month, with an average temperature varying between 54.7°F (12.6°C) and 59.4°F (15.2°C). October's onset brings a negligible change in high-temperatures, falling from a comfortable 66.6°F (19.2°C) in September to a mild 59.4°F (15.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in South Orleans, Massachusetts, with an average temperature fluctuating between 45.5°F (7.5°C) and 51.3°F (10.7°C). A moderate decline in average high-temperatures is noted in November, moving from a moderate 59.4°F (15.2°C) in October to a cool 51.3°F (10.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in South Orleans, Massachusetts, with an average temperature ranging between min 37.6°F (3.1°C) and max 44.1°F (6.7°C). The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a cool 51.3°F (10.7°C) in November to a chilly 44.1°F (6.7°C). Weather in December »Updated: Jun 4, 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 brings the lowest temperatures, with an average high of 38.8°F (3.8°C) and an average low of 31.5°F (-0.3°C).
Throughout the year, there are 78.2 rainfall days, and 5.75" (146mm) of precipitation is accumulated.
Months with snowfall are January through March, November and December.
Throughout the year, there are 13.2 snowfall days, and 0.94" (24mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
In South Orleans, snow does not fall in April through October.
June has the longest days of the year, with an average of 15h and 12min of daylight.
With an average relative humidity of 85%, July is the most humid month.
The months with the least rainfall are July and August Rain falls for 7.5 days and accumulates 0.28" (7mm) of rain.
The months with the highest UV index are July and August, with an average maximum UV index of 6.
In South Orleans, August is identified by the average highest temperatures, reaching a peak of 71.4°F (21.9°C) and a low of 67.8°F (19.9°C).
The month with the most sunshine is August, with an average of 10.7h of sunshine.
October is the month with the most rainfall. Rain falls for 7.2 days and accumulates 0.87" (22mm) of precipitation.
The least humid month is November, with an average relative humidity of 74%.
The month with the most snowfall is December, when snow falls for 2.4 days and typically aggregates up to 0.31" (8mm) of snow.
The month with the shortest days is December, with an average of 9h and 12min of daylight.
December has the least sunshine of the year, with an average of 4.3h of sunshine.
Average temperature
South Orleans, MA
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is August (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
South Orleans, MA
- Average pressure in January:
29.99"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.02"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:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
South Orleans, MA
- Average wind speed in January:
18.3mph - Average wind speed in February:
17.6mph - Average wind speed in March:
17.6mph - Average wind speed in April:
15.1mph - Average wind speed in May:
13mph - Average wind speed in June:
12.4mph
- Average wind speed in July:
11.5mph - Average wind speed in August:
11.4mph - Average wind speed in September:
13.4mph - Average wind speed in October:
15.6mph - Average wind speed in November:
17mph - Average wind speed in December:
17.6mph
The windiest month (with the highest average wind speed) is January (18.3mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).
Average humidity
South Orleans, MA
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall
South Orleans, MA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.39" - Average rainfall in March:
0.51" - Average rainfall in April:
0.59" - Average rainfall in May:
0.39" - Average rainfall in June:
0.39"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.28" - Average rainfall in September:
0.47" - Average rainfall in October:
0.87" - Average rainfall in November:
0.43" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is October (0.87").
The driest months (with the least rainfall) are July and August (0.28").
Average rainfall days
South Orleans, MA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
8.2 days - Average rainfall days in May:
7.4 days - Average rainfall days in June:
6.6 days
- Average rainfall days in July:
7.5 days - Average rainfall days in August:
6.6 days - Average rainfall days in September:
5.5 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is April (8.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall
South Orleans, MA
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
South Orleans, MA
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
South Orleans, MA
- 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days
South Orleans, MA
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
22.2 days - Average sunshine days in April:
20.3 days - Average sunshine days in May:
20 days - Average sunshine days in June:
20.2 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
22.4 days - Average sunshine days in September:
23.4 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
21.8 days
The month with the most sunshine days is September (23.4 days).
The month with the least sunshine days is February (19.8 days).
Average UV index
South Orleans, MA
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
South Orleans, MA
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
South Orleans, MA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
