Climate and monthly weather forecastDerby Line, VT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Derby Line, Vermont, is a freezing cold winter month, with temperature in the range of an average low of 8.2°F (-13.2°C) and an average high of 21.6°F (-5.8°C). The coldest period is January, when temperatures fluctuate between an average high of 21.6°F (-5.8°C) and a low of 8.2°F (-13.2°C). Weather in January »Weather in February
February, the last month of the winter in Derby Line, is another freezing cold month, with an average temperature varying between 24.3°F (-4.3°C) and 9.7°F (-12.4°C). Derby Line's average high-temperature marks a still freezing cold 24.3°F (-4.3°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »Weather in March
March, the first month of the spring in Derby Line, is a cold month, with an average temperature fluctuating between 18.7°F (-7.4°C) and 32.5°F (0.3°C). The average high-temperature mildly increases in March, edging from a subzero cold 24.3°F (-4.3°C) in February to an icy 32.5°F (0.3°C). Weather in March »Weather in April
April is a frosty spring month in Derby Line, Vermont, with an average temperature varying between 46.9°F (8.3°C) and 30.4°F (-0.9°C). As April sets, the average high-temperature displays a significant increase, moving up from an icy 32.5°F (0.3°C) in March to a chilly 46.9°F (8.3°C). Weather in April »Weather in May
May, the last month of the spring in Derby Line, is a comfortable month, with an average temperature fluctuating between 42.3°F (5.7°C) and 62.6°F (17°C). The start of May signals a considerable escalation in the average high-temperature, advancing from a frosty 46.9°F (8.3°C) in April to an enjoyable 62.6°F (17°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Derby Line, Vermont, with an average temperature ranging between min 48.9°F (9.4°C) and max 69.4°F (20.8°C). As Derby Line welcomes June, the average high-temperature sees a modest rise, transitioning from an enjoyable 62.6°F (17°C) in May to an agreeable 69.4°F (20.8°C). Weather in June »Weather in July
July in Derby Line, Vermont, is a moderately hot summer month, with an average temperature varying between 55°F (12.8°C) and 76.3°F (24.6°C). July, with its high-temperature average of 76.3°F (24.6°C) and a low-temperature average of 55°F (12.8°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Derby Line, Vermont, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 73.9°F (23.3°C). The arrival of August sees an average high-temperature of a still moderately hot 73.9°F (23.3°C), hardly diverging from July's 76.3°F (24.6°C). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Derby Line, Vermont, with an average temperature ranging between max 66.7°F (19.3°C) and min 47.1°F (8.4°C). The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 73.9°F (23.3°C) to a comfortable 66.7°F (19.3°C). Weather in September »Weather in October
October, like September, in Derby Line, Vermont, is another fresh autumn month, with an average temperature fluctuating between 38.5°F (3.6°C) and 52.2°F (11.2°C). Derby Line witnesses a significant decrease in the average high-temperature with the arrival of October, falling from September's enjoyable 66.7°F (19.3°C) to a fresh 52.2°F (11.2°C). Weather in October »Weather in November
November, the last month of the autumn in Derby Line, is also an icy month, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 26.8°F (-2.9°C). The arrival of November indicates a decrease in the average high-temperature, moving from a fresh 52.2°F (11.2°C) in October to a cold 38.5°F (3.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Derby Line, Vermont, with an average temperature varying between 27°F (-2.8°C) and 16.9°F (-8.4°C). Arrival of December comes with a reduction in the average high-temperature, falling from an icy 38.5°F (3.6°C) in November to a freezing cold 27°F (-2.8°C). Weather in December »Updated: Aug 25, 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 stands out as Derby Line's coldest month, with temperatures ranging between an average high of 21.6°F (-5.8°C) and a low of 8.2°F (-13.2°C).
January and February, with an average relative humidity of 91%, are most humid months.
In Derby Line, during the entire year, the rain falls for 166.1 days and collects up to 33.07" (840mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 115.7 snowfall days, and 66.57" (1691mm) of snow is accumulated.
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the least rainfall is February, when the rain falls for 5.8 days and typically collects 2.28" (58mm) of precipitation.
February is the month with the most snowfall. Snow falls for 23.5 days and accumulates 14.53" (369mm) of snow.
The month with the least sunshine is February, with an average of 2h 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.
With an average relative humidity of 77%, May is the least humid month.
June is the month with the most rainfall. Rain falls for 20.1 days and accumulates 3.43" (87mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 36min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
In Derby Line, July is the warmest month, with temperatures averaging a high of 76.3°F (24.6°C) and a low of 55°F (12.8°C).
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Derby Line, VT
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (21.6°F).
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure
Derby Line, VT
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"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:
30.06"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Derby Line, VT
- Average wind speed in January:
7.1mph - Average wind speed in February:
7mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Derby Line, VT
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Derby Line, VT
- Average rainfall in January:
2.52" - Average rainfall in February:
2.28" - Average rainfall in March:
2.56" - Average rainfall in April:
3.07" - Average rainfall in May:
2.99" - Average rainfall in June:
3.43"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (2.28").
Average rainfall days
Derby Line, VT
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
20.1 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
19.6 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
16.7 days - Average rainfall days in November:
11.4 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is January (5.1 days).
Average snowfall
Derby Line, VT
- Average snowfall in January:
13.9" - Average snowfall in February:
14.53" - Average snowfall in March:
11.22" - Average snowfall in April:
5.83" - Average snowfall in May:
1.5" - Average snowfall in June:
0"
The month with the highest snowfall is February (14.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Derby Line, VT
- Average snowfall days in January:
24 days - Average snowfall days in February:
23.5 days - Average snowfall days in March:
19.9 days - Average snowfall days in April:
10.3 days - Average snowfall days in May:
1 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:
2.9 days - Average snowfall days in November:
11.7 days - Average snowfall days in December:
22.4 days
The month with the highest number of snowfall days is January (24 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Derby Line, VT
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- 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:
10h and 54min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
2h and 6min - Average sunshine in February:
2h and 0min - Average sunshine in March:
3h and 36min - Average sunshine in April:
6h and 0min - Average sunshine in May:
7h and 42min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 0min - Average sunshine in December:
2h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 0min).
Average sunshine days
Derby Line, VT
- Average sunshine days in January:
5.7 days - Average sunshine days in February:
4.3 days - Average sunshine days in March:
6.7 days - Average sunshine days in April:
7.7 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
8.2 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
9.4 days - Average sunshine days in September:
15 days - Average sunshine days in October:
10.7 days - Average sunshine days in November:
11 days - Average sunshine days in December:
5.6 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (4.3 days).
Average UV index
Derby Line, VT
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Derby Line, VT
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Derby Line, VT
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
