Climate and monthly weather forecastWest Yarmouth, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in West Yarmouth, Massachusetts, with an average temperature fluctuating between 30.6°F (-0.8°C) and 38.5°F (3.6°C). In West Yarmouth, the lowest temperatures are generally noted in January, averaging a high of 38.5°F (3.6°C) and a low of 30.6°F (-0.8°C). Weather in January »Weather in February
February, the last month of the winter in West Yarmouth, is another cold month, with an average temperature varying between 38.8°F (3.8°C) and 31.1°F (-0.5°C). As West Yarmouth steps into February, the average high-temperature is measured at a still cold 38.8°F (3.8°C), displaying minor differences from January's 38.5°F (3.6°C). Weather in February »Weather in March
March, the first month of the spring in West Yarmouth, is also an icy month, with an average temperature varying between 35.6°F (2°C) and 41.4°F (5.2°C). As March takes hold, the average high-temperature is a still wintry 41.4°F (5.2°C), nearly mirroring that of the previous month. Weather in March »Weather in April
April is a frosty spring month in West Yarmouth, Massachusetts, with an average temperature varying between 47.1°F (8.4°C) and 42.4°F (5.8°C). The arrival of April introduces a minor uplift in high-temperatures, adjusting from a wintry 41.4°F (5.2°C) in March to a chilly 47.1°F (8.4°C). Weather in April »Weather in May
May, the last month of the spring in West Yarmouth, is a cool month, with an average temperature ranging between min 51.3°F (10.7°C) and max 55°F (12.8°C). As West Yarmouth welcomes May, the average high-temperature displays a subtle shift, adjusting from a frosty 47.1°F (8.4°C) in April to a fresh 55°F (12.8°C). Weather in May »Weather in June
June, the first month of the summer in West Yarmouth, is an enjoyable month, with an average temperature varying between 63.5°F (17.5°C) and 59.4°F (15.2°C). West Yarmouth's transition into June is noticed by a slight rise in the average high-temperature, advancing from a cool 55°F (12.8°C) in May to a refreshing 63.5°F (17.5°C). Weather in June »Weather in July
July is an agreeable summer month in West Yarmouth, Massachusetts, with an average temperature ranging between min 67.6°F (19.8°C) and max 71.6°F (22°C). July showcases a minor temperature ascent, adjusting from June's comfortable 63.5°F (17.5°C) to a pleasant 71.6°F (22°C). Weather in July »Weather in August
August, the last month of the summer in West Yarmouth, is another pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 68.5°F (20.3°C). West Yarmouth, Massachusetts, experiences its highest average temperatures in August, reaching a peak of 72.1°F (22.3°C) and a minimum of 68.5°F (20.3°C). Weather in August »Weather in September
September, the first month of the autumn in West Yarmouth, is still a refreshing month, with an average temperature varying between 63°F (17.2°C) and 67.1°F (19.5°C). West Yarmouth experiences an average high-temperature of an enjoyable 67.1°F (19.5°C) in September, subtly different from August's 72.1°F (22.3°C). Weather in September »Weather in October
October, like September, is another mild autumn month in West Yarmouth, Massachusetts, with an average temperature varying between 59.9°F (15.5°C) and 54.7°F (12.6°C). October marks a gentle change in average high-temperature, declining from September's comfortable 67.1°F (19.5°C) to a moderate 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in West Yarmouth, Massachusetts, with an average temperature varying between 45.1°F (7.3°C) and 51.3°F (10.7°C). West Yarmouth's progression into November involves a minor drop in the average high-temperature, slightly receding from a mild 59.9°F (15.5°C) in October to a cool 51.3°F (10.7°C). Weather in November »Weather in December
December, the first month of the winter in West Yarmouth, is also a frosty month, with an average temperature fluctuating between 36.9°F (2.7°C) and 43.7°F (6.5°C). The start of December signals a gentle decrease in the average high-temperature, transitioning from a fresh 51.3°F (10.7°C) in November to a frosty 43.7°F (6.5°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
January brings the lowest temperatures, with an average high of 38.5°F (3.6°C) and an average low of 30.6°F (-0.8°C).
In West Yarmouth, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.
January through April and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 6.4 days and typically aggregates up to 0.87" (22mm) of snow.
In West Yarmouth, during the entire year, snow falls for 20.8 days and aggregates up to 2.6" (66mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The months with the least sunshine are February and December, with an average of 4.6h of sunshine.
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 and July, with an average relative humidity of 84%, are most humid months.
June has the longest days of the year, with an average of 15h and 6min of daylight.
July and August, with an average maximum UV index of 6, are months with the highest UV index.
West Yarmouth's temperature records reveal August as the warmest month, marked by average highs of 72.1°F (22.3°C) and lows of 68.5°F (20.3°C).
August is the month with the least rainfall. Rain falls for 11.2 days and accumulates 0.94" (24mm) of precipitation.
August has the most sunshine of the year, with an average of 10.8h of sunshine.
October is the month with the most rainfall. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.
With an average relative humidity of 74%, November is the least humid month.
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
West Yarmouth, MA
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure
West Yarmouth, 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
West Yarmouth, MA
- Average wind speed in January:
16.8mph - Average wind speed in February:
16.3mph - Average wind speed in March:
16.5mph - Average wind speed in April:
14.4mph - Average wind speed in May:
12.5mph - Average wind speed in June:
11.7mph
- Average wind speed in July:
10.9mph - Average wind speed in August:
10.9mph - Average wind speed in September:
12.8mph - Average wind speed in October:
14.8mph - Average wind speed in November:
16mph - Average wind speed in December:
16.4mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity
West Yarmouth, MA
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall
West Yarmouth, MA
- Average rainfall in January:
1.06" - Average rainfall in February:
1.02" - Average rainfall in March:
1.06" - Average rainfall in April:
1.34" - Average rainfall in May:
1.14" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.94" - Average rainfall in September:
1.18" - Average rainfall in October:
1.93" - Average rainfall in November:
0.98" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days
West Yarmouth, MA
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
11.2 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
11 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall
West Yarmouth, MA
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days
West Yarmouth, MA
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 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:
0.6 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Yarmouth, 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 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 48min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 42min - 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 months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days
West Yarmouth, MA
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
17.6 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index
West Yarmouth, 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
West Yarmouth, MA
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
West Yarmouth, 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).
