Climate and monthly weather forecastAndover, NH
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Andover, New Hampshire, with an average temperature ranging between max 25.9°F (-3.4°C) and min 12.7°F (-10.7°C). With its high average temperature of 25.9°F (-3.4°C) and a low of 12.7°F (-10.7°C), January is regarded as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Andover, is also a subzero cold month, with an average temperature ranging between max 28.8°F (-1.8°C) and min 14.4°F (-9.8°C). As Andover welcomes February, the average high-temperature stabilizes at a still subzero cold 28.8°F (-1.8°C), showing little deviation from January's 25.9°F (-3.4°C). Weather in February »Weather in March
March, the first month of the spring in Andover, is a cold month, with an average temperature ranging between max 37°F (2.8°C) and min 22.5°F (-5.3°C). Andover, New Hampshire, in March experiences a slight uptick in the average high-temperature, adjusting from February's subzero cold 28.8°F (-1.8°C) to an icy 37°F (2.8°C). Weather in March »Weather in April
April is a fresh spring month in Andover, New Hampshire, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 51.4°F (10.8°C). April signals a considerable rise in Andover's average high-temperature, advancing from a wintry 37°F (2.8°C) in March to a cool 51.4°F (10.8°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Andover, New Hampshire, with an average temperature ranging between min 44.4°F (6.9°C) and max 64.9°F (18.3°C). May's arrival signals an increase in average high-temperatures, moving from April's cool 51.4°F (10.8°C) to a refreshing 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Andover, New Hampshire, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 72.1°F (22.3°C). June showcases a minor temperature ascent, adjusting from May's refreshing 64.9°F (18.3°C) to a pleasant 72.1°F (22.3°C). Weather in June »Weather in July
July in Andover, New Hampshire, is a warm summer month, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 57.6°F (14.2°C). The month of July, characterized by an average high of 79°F (26.1°C) and a low of 57.6°F (14.2°C), is recognized as the warmest. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Andover, New Hampshire, with an average temperature ranging between max 77.2°F (25.1°C) and min 55.9°F (13.3°C). Andover's average high-temperature in August sits at a still warm 77.2°F (25.1°C), showing little difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Andover, New Hampshire, with an average temperature ranging between max 69.1°F (20.6°C) and min 49.5°F (9.7°C). Andover in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 77.2°F (25.1°C) to a pleasant 69.1°F (20.6°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Andover, New Hampshire, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 40.6°F (4.8°C). With the beginning of October, the average high-temperature shows a decrease, transitioning from an agreeable 69.1°F (20.6°C) in September to a mild 55.9°F (13.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Andover, New Hampshire, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 43.2°F (6.2°C). November weather is marked by a drop in the average high-temperature, falling from a moderate 55.9°F (13.3°C) in October to a chilly 43.2°F (6.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Andover, New Hampshire, with an average temperature ranging between min 21°F (-6.1°C) and max 31.5°F (-0.3°C). The start of December comes with a reduction in the average high-temperature, receding from a chilly 43.2°F (6.2°C) in November to a freezing cold 31.5°F (-0.3°C). Weather in December »Updated: Jun 22, 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 its high-temperature average of 25.9°F (-3.4°C) and a low-temperature average of 12.7°F (-10.7°C), is the coldest month.
The months with the highest humidity are January and February, with an average relative humidity of 86%.
January is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.71" (18mm) of precipitation.
In Andover, during the entire year, the rain falls for 103.3 days and collects up to 12.52" (318mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 43.2 snowfall days, and 14.49" (368mm) of snow is accumulated.
February is the month with the most snowfall in Andover. Snow falls for 10.1 days and accumulates 4.02" (102mm) of snow.
February has the least sunshine of the year, with an average of 4h of sunshine.
The months with the lowest UV index are February and December, with an average maximum UV index of 1.
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.
April and May, with an average relative humidity of 75%, are the least humid months.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
June through September are months without snowfall.
With an average of 15h and 24min of daylight, June has the longest days of the year.
In Andover, July is known for its average highest temperatures, reaching a high of 79°F (26.1°C) and a low of 57.6°F (14.2°C).
The month with the most sunshine is August, with an average of 10.1h of sunshine.
The month with the most rainfall is October, when the rain falls for 9.7 days and typically aggregates up to 1.54" (39mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Andover, NH
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.9°F).
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure
Andover, NH
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"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:
30.07"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
Andover, NH
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Andover, NH
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall
Andover, NH
- Average rainfall in January:
0.71" - Average rainfall in February:
0.87" - Average rainfall in March:
0.87" - Average rainfall in April:
1.1" - Average rainfall in May:
1.14" - Average rainfall in June:
1.1"
- Average rainfall in July:
1.34" - Average rainfall in August:
0.98" - Average rainfall in September:
0.87" - Average rainfall in October:
1.54" - Average rainfall in November:
0.94" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Andover, NH
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
8.4 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
11.1 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
11.6 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is February (3.4 days).
Average snowfall
Andover, NH
- Average snowfall in January:
2.36" - Average snowfall in February:
4.02" - Average snowfall in March:
2.28" - Average snowfall in April:
1.3" - Average snowfall in May:
0.08" - 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
Andover, NH
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
10.1 days - Average snowfall days in March:
8.2 days - Average snowfall days in April:
3 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:
0.5 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Andover, NH
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Andover, NH
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
17.7 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
19.3 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is February (16.1 days).
Average UV index
Andover, NH
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
Andover, NH
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Andover, NH
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
