Climate and monthly weather forecastGrand Isle Station, VT
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Grand Isle Station, Vermont, with an average temperature varying between 24.3°F (-4.3°C) and 12°F (-11.1°C). Grand Isle Station's January weather, with an average high temperature of 24.3°F (-4.3°C) and an average low temperature of 12°F (-11.1°C), tends to be the coldest of the year. Weather in January »Weather in February
February, the last month of the winter in Grand Isle Station, is also a subzero cold month, with an average temperature ranging between max 27°F (-2.8°C) and min 13.8°F (-10.1°C). Grand Isle Station's February showcases an average high-temperature of a still subzero cold 27°F (-2.8°C), hardly distinct from January's 24.3°F (-4.3°C). Weather in February »Weather in March
March, the first month of the spring in Grand Isle Station, is a wintry month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 35.6°F (2°C). In Grand Isle Station, the average high-temperature in March slightly increases from a freezing cold 27°F (-2.8°C) in February to an icy 35.6°F (2°C). Weather in March »Weather in April
April is a chilly spring month in Grand Isle Station, Vermont, with an average temperature fluctuating between 34.2°F (1.2°C) and 49.6°F (9.8°C). Grand Isle Station's transition into April sees a rise in the average high-temperature, advancing from an icy 35.6°F (2°C) in March to a frosty 49.6°F (9.8°C). Weather in April »Weather in May
May, the last month of the spring in Grand Isle Station, is an enjoyable month, with an average temperature fluctuating between 46°F (7.8°C) and 64.2°F (17.9°C). An increase in the average high-temperature marks May, surging from April's chilly 49.6°F (9.8°C) to a refreshing 64.2°F (17.9°C). Weather in May »Weather in June
June, the first month of the summer in Grand Isle Station, is a pleasant month, with an average temperature fluctuating between 71.1°F (21.7°C) and 52.9°F (11.6°C). In Grand Isle Station, the average high-temperature in June slightly rises, from a comfortable 64.2°F (17.9°C) in May, to an agreeable 71.1°F (21.7°C). Weather in June »Weather in July
July in Grand Isle Station, Vermont, is a warm summer month, with an average temperature fluctuating between 77.5°F (25.3°C) and 59.4°F (15.2°C). July is the warmest month, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 59.4°F (15.2°C). Weather in July »Weather in August
August, the last month of the summer in Grand Isle Station, is also a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 57.6°F (14.2°C). August's arrival brings an average high-temperature of a still warm 75.9°F (24.4°C), demonstrating subtle variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Grand Isle Station, is also an agreeable month, with an average temperature ranging between min 50.7°F (10.4°C) and max 68.9°F (20.5°C). In Grand Isle Station, the average high-temperature in September gently drops from a moderately hot 75.9°F (24.4°C) in August to an agreeable 68.9°F (20.5°C). Weather in September »Weather in October
October, the same as September, in Grand Isle Station, Vermont, is a moderate autumn month, with an average temperature varying between 55.4°F (13°C) and 41.9°F (5.5°C). During Grand Isle Station's transition into October, the average high-temperature lessens, moving from an agreeable 68.9°F (20.5°C) in September to a mild 55.4°F (13°C). Weather in October »Weather in November
November, the last month of the autumn in Grand Isle Station, is also a wintry month, with an average temperature ranging between min 30.2°F (-1°C) and max 41.9°F (5.5°C). In November, the average high-temperature decreases from a moderate 55.4°F (13°C) in October to a cold 41.9°F (5.5°C). Weather in November »Weather in December
December, the first month of the winter in Grand Isle Station, is also a subzero cold month, with an average temperature varying between 20.7°F (-6.3°C) and 30.6°F (-0.8°C). Grand Isle Station's December weather shows a moderate shift in high-temperatures, falling from November's icy 41.9°F (5.5°C) to a subzero cold 30.6°F (-0.8°C). Weather in December »Updated: Feb 14, 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, with an average high of 24.3°F (-4.3°C) and a low of 12°F (-11.1°C), signifies the coldest month of the year in Grand Isle Station.
January and February, with an average relative humidity of 87%, are most humid months.
Throughout the year, there are 176.9 rainfall days, and 29.88" (759mm) of precipitation is accumulated.
Months with snowfall in Grand Isle Station are January through May, October through December.
In Grand Isle Station, during the entire year, snow falls for 81.9 days and aggregates up to 36.77" (934mm) of snow.
The month with the most snowfall is February, when snow falls for 19.2 days and typically aggregates up to 9.49" (241mm) of snow.
February has the least sunshine of the year, with an average of 3.4h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grand Isle Station, Vermont, 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.
The months with the lowest humidity are April and May, with an average relative humidity of 76%.
The months with the highest UV index in Grand Isle Station, Vermont, are May through August, with an average maximum UV index of 5.
June is the month with the most rainfall in Grand Isle Station, Vermont. Rain falls for 18.8 days and accumulates 3.23" (82mm) of precipitation.
In Grand Isle Station, Vermont, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 30min of daylight.
Grand Isle Station's July weather, marked by an average high temperature of 77.5°F (25.3°C) and an average low temperature of 59.4°F (15.2°C), is the warmest in the year.
The month with the most sunshine in Grand Isle Station, Vermont, is August, with an average of 10.5h of sunshine.
The month with the least rainfall in Grand Isle Station is September, when the rain falls for 12.5 days and typically collects 1.81" (46mm) of precipitation.
The month with the shortest days in Grand Isle Station, Vermont, is December, with an average of 8h and 54min of daylight.
The month with the lowest UV index in Grand Isle Station is December, with an average maximum UV index of 1.
Average temperature
Grand Isle Station, VT
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure
Grand Isle Station, VT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Grand Isle Station, VT
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.6mph - Average wind speed in April:
8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity
Grand Isle Station, VT
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall
Grand Isle Station, VT
- Average rainfall in January:
2.05" - Average rainfall in February:
1.93" - Average rainfall in March:
2.24" - Average rainfall in April:
2.64" - Average rainfall in May:
2.99" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.95" - Average rainfall in September:
1.81" - Average rainfall in October:
2.68" - Average rainfall in November:
2.28" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Grand Isle Station, VT
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
18 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
16.4 days - Average rainfall days in November:
12.2 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall
Grand Isle Station, VT
- Average snowfall in January:
7.95" - Average snowfall in February:
9.49" - Average snowfall in March:
5.94" - Average snowfall in April:
2.28" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grand Isle Station, VT
- Average snowfall days in January:
19.4 days - Average snowfall days in February:
19.2 days - Average snowfall days in March:
13.4 days - Average snowfall days in April:
5.1 days - Average snowfall days in May:
0.3 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:
1.5 days - Average snowfall days in November:
6.9 days - Average snowfall days in December:
16.1 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grand Isle Station, VT
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days
Grand Isle Station, VT
- Average sunshine days in January:
8.3 days - Average sunshine days in February:
6.5 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
11.8 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (6.5 days).
Average UV index
Grand Isle Station, VT
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Grand Isle Station, VT
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Grand Isle Station, VT
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
