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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Londonderry, Vermont, with an average temperature varying between 12.9°F (-10.6°C) and 25.2°F (-3.8°C). January is the coldest month, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 12.9°F (-10.6°C). Weather in January »
Weather in February
February, the last month of the winter in Londonderry, is another freezing cold month, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 14.5°F (-9.7°C). The advent of February brings an average high-temperature of a still subzero cold 28.2°F (-2.1°C), exhibiting minor difference from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Londonderry, is an icy month, with an average temperature varying between 36.7°F (2.6°C) and 22.5°F (-5.3°C). The shift from February to March is marked by a slight increase in the average high-temperature, moving from a freezing cold 28.2°F (-2.1°C) to a cold 36.7°F (2.6°C). Weather in March »
Weather in April
April in Londonderry, Vermont, is a cool spring month, with an average temperature ranging between min 33.3°F (0.7°C) and max 50.5°F (10.3°C). Londonderry in April experiences an increase in the average high-temperature, moving from March's wintry 36.7°F (2.6°C) to a cool 50.5°F (10.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Londonderry, Vermont, with an average temperature ranging between min 44.2°F (6.8°C) and max 64.4°F (18°C). Londonderry's weather in May shows a rise in the average high-temperature, moving up from April's cool 50.5°F (10.3°C) to an enjoyable 64.4°F (18°C). Weather in May »
Weather in June
June, the first month of the summer in Londonderry, is an agreeable month, with an average temperature fluctuating between 71.2°F (21.8°C) and 50.9°F (10.5°C). With the onset of June, Londonderry's weather sees a minor temperature rise, transitioning from an enjoyable 64.4°F (18°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »
Weather in July
July in Londonderry, Vermont, is a warm summer month, with an average temperature varying between 77.5°F (25.3°C) and 57°F (13.9°C). In Londonderry, the highest average temperatures are observed in July, with a high of 77.5°F (25.3°C) and a low of 57°F (13.9°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Londonderry, Vermont, with an average temperature varying between 75.7°F (24.3°C) and 55°F (12.8°C). The advent of August presents an average high-temperature of a still moderately hot 75.7°F (24.3°C), maintaining a close correlation with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Londonderry, is also an agreeable month, with an average temperature varying between 68.5°F (20.3°C) and 49.3°F (9.6°C). The transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 68.5°F (20.3°C) from August's moderately hot 75.7°F (24.3°C). Weather in September »
Weather in October
October, like September, in Londonderry, Vermont, is a cool autumn month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 54.9°F (12.7°C). Onset of October comes with a temperature decline, the average high falling from an agreeable 68.5°F (20.3°C) in September to a fresh 54.9°F (12.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Londonderry, is also an icy month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 42.1°F (5.6°C). A moderate decline in the average high-temperature is seen during November, decreasing from a fresh 54.9°F (12.7°C) in October to a cold 42.1°F (5.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Londonderry, Vermont, with an average temperature varying between 30.9°F (-0.6°C) and 21°F (-6.1°C). Londonderry's December weather shows a moderate shift in high-temperatures, falling from November's wintry 42.1°F (5.6°C) to a subzero cold 30.9°F (-0.6°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
What are the coldest months in Londonderry?
January is the coldest month, with the temperature often reaching an average high of 25.2°F (-3.8°C) and an average low of 12.9°F (-10.6°C).
How much does it rain in Londonderry?
Throughout the year, in Londonderry, there are 133 rainfall days, and 12.95" (329mm) of precipitation is accumulated.
When does it snow in Londonderry?
Months with snowfall are January through May, October through December.
How many days does it snow in Londonderry?
In Londonderry, Vermont, during the entire year, snow falls for 62.9 days and aggregates up to 18.11" (460mm) of snow.
What is the most humid month in Londonderry?
The most humid month is February, with an average relative humidity of 87%.
When does it snow the most in Londonderry?
February is the month with the most snowfall. Snow falls for 14.1 days and accumulates 4.02" (102mm) of snow.
What is the month with the least sunshine in Londonderry?
The month with the least sunshine in Londonderry is February, with an average of 3.6h of sunshine.
What are the months with the lowest UV index in Londonderry?
The months with the lowest UV index are February and December, with an average maximum UV index of 1.
What is the driest month in Londonderry?
The month with the least rainfall is March, when the rain falls for 10 days and typically collects 0.79" (20mm) of precipitation.
When is Daylight Saving Time (DST) in Londonderry?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Londonderry, 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.
What are the least humid months in Londonderry?
April and May, with an average relative humidity of 76%, are the least humid months in Londonderry.
What is the rainiest month in Londonderry?
The wettest months in Londonderry, Vermont, are April and October, with an average 1.26" (32mm) of rainfall.
What is the month with the highest UV index in Londonderry?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Londonderry, Vermont.
When it does not snow in Londonderry?
June through September are months without snowfall.
When are the longest days in Londonderry?
The month with the longest days in Londonderry, Vermont, is June, with an average of 15h and 18min of daylight.
What are the warmest months in Londonderry?
The average temperatures in Londonderry reach their apex in July, averaging 77.5°F (25.3°C) at the high end and 57°F (13.9°C) at the low end.
What are the months with the most sunshine in Londonderry?
July and August, with an average of 10h of sunshine, are months with the most sunshine.
What is the month with the shortest days in Londonderry?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Londonderry, 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 (25.2°F).
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure
Londonderry, VT
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Londonderry, VT
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Londonderry, VT
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall
Londonderry, VT
- Average rainfall in January:
0.94" - Average rainfall in February:
0.98" - Average rainfall in March:
0.79" - Average rainfall in April:
1.26" - Average rainfall in May:
1.22" - Average rainfall in June:
1.18"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.02" - Average rainfall in September:
0.83" - Average rainfall in October:
1.26" - Average rainfall in November:
1.1" - Average rainfall in December:
1.18"
The wettest months (with the highest rainfall) are April and October (1.26").
The driest month (with the least rainfall) is March (0.79").
Average rainfall days
Londonderry, VT
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January and February (7.3 days).
Average snowfall
Londonderry, VT
- Average snowfall in January:
3.7" - Average snowfall in February:
4.02" - Average snowfall in March:
2.68" - Average snowfall in April:
1.22" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Londonderry, VT
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
14.1 days - Average snowfall days in March:
11.3 days - Average snowfall days in April:
4.1 days - Average snowfall days in May:
0.5 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:
1.3 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Londonderry, VT
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days
Londonderry, VT
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index
Londonderry, VT
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Londonderry, VT
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Londonderry, VT
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).