Climate and monthly weather forecastOsterville, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Osterville, Massachusetts, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 30.4°F (-0.9°C). The month of January, characterized by an average high of 38.3°F (3.5°C) and a low of 30.4°F (-0.9°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Osterville, Massachusetts, with an average temperature fluctuating between 30.9°F (-0.6°C) and 38.8°F (3.8°C). The shift into February reveals an average high-temperature of a still cold 38.8°F (3.8°C), closely mirroring January's climate. Weather in February »Weather in March
The first month of the spring, March, is still a cold month in Osterville, Massachusetts, with an average temperature fluctuating between 41.5°F (5.3°C) and 35.2°F (1.8°C). March denotes a minimal variation in the average high-temperature to a still icy 41.5°F (5.3°C) from February's 38.8°F (3.8°C). Weather in March »Weather in April
April is a chilly spring month in Osterville, Massachusetts, with an average temperature ranging between max 47.1°F (8.4°C) and min 42.4°F (5.8°C). Entering April, Osterville notices a subtle temperature elevation, with the average high-temperature advancing from March's cold 41.5°F (5.3°C) to a chilly 47.1°F (8.4°C). Weather in April »Weather in May
May, the last month of the spring in Osterville, is a moderate month, with an average temperature varying between 55.4°F (13°C) and 50.9°F (10.5°C). Osterville in May denotes a subtle temperature transition, adjusting from an average high of a chilly 47.1°F (8.4°C) in April to a moderate 55.4°F (13°C). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Osterville, Massachusetts, with an average temperature ranging between max 63.9°F (17.7°C) and min 59.4°F (15.2°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from a moderate 55.4°F (13°C) in May to a still refreshing 63.9°F (17.7°C). Weather in June »Weather in July
July in Osterville, Massachusetts, is an agreeable summer month, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 72°F (22.2°C). As July begins, there's a slight increase in the average high-temperature, moving from an enjoyable 63.9°F (17.7°C) in June to a pleasant 72°F (22.2°C). Weather in July »Weather in August
August, the last month of the summer in Osterville, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 68.2°F (20.1°C). With average temperatures fluctuating between a high of 72.5°F (22.5°C) and a low of 68.2°F (20.1°C), August stands out as the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Osterville, Massachusetts, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 67.3°F (19.6°C). September denotes a minimal variation in the average high-temperature to an enjoyable 67.3°F (19.6°C) from August's 72.5°F (22.5°C). Weather in September »Weather in October
October, the same as September, in Osterville, Massachusetts, is another mild autumn month, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 54.5°F (12.5°C). A mild drop in Osterville's average high-temperature is observed in October, transitioning from a refreshing 67.3°F (19.6°C) in September to a mild 59.9°F (15.5°C). Weather in October »Weather in November
November, the last month of the autumn in Osterville, is another cool month, with an average temperature varying between 45°F (7.2°C) and 51.3°F (10.7°C). The average high-temperature slightly decreases in November, shifting from a refreshing 59.9°F (15.5°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 also a frosty month in Osterville, Massachusetts, with an average temperature varying between 36.5°F (2.5°C) and 43.7°F (6.5°C). The shift from November to December coincides with a small decrease in the average high-temperature, down to a chilly 43.7°F (6.5°C) from a fresh 51.3°F (10.7°C). Weather in December »Updated: Aug 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
With its average high temperature of 38.3°F (3.5°C) and a low of 30.4°F (-0.9°C), January is regarded as the coldest month.
Throughout the year, there are 157.2 rainfall days, and 31.77" (807mm) of precipitation is accumulated.
January through April and December are months with snowfall.
In Osterville, during the entire year, snow falls for 24.1 days and aggregates up to 6.1" (155mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
March is the month with the most snowfall. Snow falls for 5.2 days and accumulates 1.93" (49mm) of snow.
The month with the coldest seawater is March, with an average ocean temperature of 39°F (3.9°C).
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.
May through November are months without snowfall.
June has the longest days of the year, with an average of 15h and 6min of daylight.
With an average relative humidity of 84%, July is the most humid month.
The months with the highest UV index are July and August, with an average maximum UV index of 6.
August stands out as Osterville's warmest month, with temperatures ranging between an average high of 72.5°F (22.5°C) and a low of 68.2°F (20.1°C).
The month with the least rainfall is August, when the rain falls for 12.4 days and typically collects 1.73" (44mm) of precipitation.
The month with the warmest seawater is August, with an average ocean temperature of 67.5°F (19.7°C).
With an average of 10.8h of sunshine, August has the most sunshine of the year.
The month with the most rainfall is October, when the rain falls for 14.5 days and typically aggregates up to 3.7" (94mm) of precipitation.
The least humid month is November, with an average relative humidity of 74%.
The month with the shortest days is December, with an average of 9h and 12min of daylight.
With an average of 4.6h of sunshine, December has the least sunshine of the year.
Average temperature
Osterville, MA
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure
Osterville, MA
- Average pressure in January:
30"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:
30.03"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
Osterville, MA
- Average wind speed in January:
16.5mph - Average wind speed in February:
16mph - Average wind speed in March:
16.2mph - Average wind speed in April:
14.1mph - Average wind speed in May:
12.2mph - Average wind speed in June:
11.4mph
- Average wind speed in July:
10.7mph - Average wind speed in August:
10.6mph - Average wind speed in September:
12.6mph - Average wind speed in October:
14.5mph - Average wind speed in November:
15.7mph - Average wind speed in December:
16.1mph
The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).
Average humidity
Osterville, MA
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall
Osterville, MA
- Average rainfall in January:
2.87" - Average rainfall in February:
2.68" - Average rainfall in March:
3.19" - Average rainfall in April:
3.03" - Average rainfall in May:
2.2" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.73" - Average rainfall in September:
1.93" - Average rainfall in October:
3.7" - Average rainfall in November:
2.52" - Average rainfall in December:
3.62"
The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").
Average rainfall days
Osterville, MA
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
14.2 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall
Osterville, MA
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days
Osterville, MA
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
0.6 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:
4.4 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Osterville, MA
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight / Average sunshine
Osterville, 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 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 12min
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 12min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days
Osterville, MA
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
11.4 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
15.1 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
17.7 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
15 days - Average sunshine days in December:
12.6 days
The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).
Average UV index
Osterville, 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
Osterville, MA
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Osterville, 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).
