Climate and monthly weather forecastLittleton, NH
Climate and monthly weather forecast
The climate of Littleton
Principally classified as Dfb or Humid Continental under the Köppen climate classification, Littleton, New Hampshire, is a city that experiences no dry season and warm summers. Situated in the northeastern United States, this city demonstrates a discernible difference in weather conditions within its seasons.During the course of a year in Littleton, temperatures can surge from a nippy low of 9.3°F (-12.6°C) in the wintertime to a balmy high of 76.3°F (24.6°C) in midsummer. Relative humidity stays rather consistent, oscillating between 76 to 89% on average, making for mostly moist conditions. Rainfall is a frequent feature in Littleton's weather, with every month seeing an average of 2.09" (53mm) to 2.91" (74mm). Precipitation is observed on average between 6.7 days to 18.3 days per month.
Snowfall is another discernible aspect of the city's weather conditions, most noticeable from November through April with a peak average snowfall of 13.58" (345mm) in February. Average daily sunlight hours change quite a bit from 9.3 in January to 15.5 in June. Average daily sunshine hours range from 3.4 to 9.9 throughout the year. The yearly UV index typically ranges from 1 to 5. The average visibility rates between 4 to 5 miles, and cloudiness tends to fluctuate between 39 to 71%, implying possibly overcast or clear skies. Additionally, wind speeds hover around 4.5mph (7.2km/h) to 6.5mph (10.5km/h), with the most powerful gusts reaching a velocity of 9mph (14.5km/h).
The Best Time to Visit Littleton
For visitors planning a trip to Littleton, the most favorable time to descend on this city might be from May to September. During these months, the city experience's plentiful sunshine, with average daylight hours straddling 14.8 and 15.1, and long periods of sunlight extending from 8 hours to 9.9 hours daily. The mercury broadly indicates favorable temperatures between 62.6°F (17°C) and 76.3°F (24.6°C). It is also worth noting that these months witness the lowest relative humidity, ranging from 76 to 79%, suggesting more comfortable conditions. The UV index, although higher in this period, merely scales to 5, implying a moderate level of sunlight exposure.The Worst Time to Visit Littleton
The less desirable time for tourism in Littleton may arguably be the winter months from November to March. Saliently, the thermometer touches its lowest at 9.3°F (-12.6°C) in January, and snowfall is the heaviest during this period, peaking at 13.58" (345mm) in February. Furthermore, the average daylight hours are the shortest, from 8.9 to 10.5, reducing the time visitors can spend outdoors. The relatively higher humidity of 80 to 89% can augment the severe cold.Spring Weather in Littleton
Spring in Littleton from March to May showcases a noteworthy rise in temperatures, escalating from 11.1°F (-11.6°C) to 62.6°F (17°C). Precipitation takes the form of both rain and snow, with rainfall measuring between 2.17" (55mm) and 2.68" (68mm) and snowfall dialing down from 9.17" (233mm) to 1.22" (31mm). Increased daylight and sunshine hours infuse warmth into the air, and the gusts of wind, although the strongest during this period, are just around 9.8mph (15.8km/h).Summer Weather in Littleton
Amid June, July, and August, Littleton glows under the sun. Average daily temperatures fluctuate moderately between 74.1°F (23.4°C) and 76.3°F (24.6°C). Rain is a common occurrence, with the average rainfall reaching a yearly high of 2.87" (73mm) in June, and average rainfall days hitting a similar peak at 18.3 in July. This period also sees the least wind, around 4.5 to 5.2mph (8.4km/h).Autumn Weather in Littleton
Arriving on the heels of summer, the autumn months from September to November register a fall in temperatures, descending from 66.9°F (19.4°C) to 39.4°F (4.1°C). Average rainfall during autumn oscillates between 2.09" (53mm) to 2.91" (74mm), and snowfall returns in November with 5.94" (151mm). Despite the shortening daylight hours, Littleton still enjoys an average of 8.4 to 5.1 hours of sunshine.Winter Weather in Littleton
From December through February, the city blankets under hefty amounts of snow, with average snowfall measuring between 8.23" (209mm) and 13.58" (345mm). With the plummeting temperatures, which are between 9.3°F (-12.6°C) to 25.3°F (-3.7°C), the mercury can sometimes dip below freezing. The hours of daylight are scarce as well. Despite these conditions, Littleton maintains moderate visibility of 4 to 5 miles throughout this season, attributing to its predominantly clear atmosphere.Weather in January
Starting the year in Littleton, January is characterized by below-freezing temperatures with an average low of 9.3°F (-12.6°C) and a high of 22.5°F (-5.3°C). Heavy snowfall is also common in this month, resulting in a winter wonderland in Littleton. Weather in January »Weather in February
In February, wintry conditions persist in Littleton. While temperatures show a moderate increase in comparison to January, with lows of 11.1°F (-11.6°C) and highs of 25.3°F (-3.7°C), it is still firmly within the winter season. Weather in February »Weather in March
March in Littleton experiences a turning point as winter begins to make way for spring. While witnessing the remnants of winter snowfall with 9.17" (233mm), a marked increase in daytime temperatures up to highs of 33.6°F (0.9°C) offers residents a hint of the changing seasons. Weather in March »Weather in April
April marks the beginning of meteorological spring in Littleton. The weather shifts towards milder temperatures, soaking rains, and budding greenery. A higher frequency of rainy days and less snowfall are some of the main distinguishing factors of this month. Weather in April »Weather in May
In May, Littleton is greeted with temperatures that consistently reach up to 62.6°F (17°C). This rise in the mercury level is accompanied by increased hours of daylight. The community welcomes this warm weather, favoring outdoor activities. Weather in May »Weather in June
Heatwaves typically start in June, as summer begins to take hold in Littleton. The warmer conditions are complimented by extended daylight hours, adding to the overall experience of the summer season. Despite the rise in temperatures, Littleton's weather in June remains relatively balanced. Weather in June »Weather in July
July is the peak of summer in Littleton, with the average daytime high reaching 76.3°F (24.6°C). Local residents and tourists enjoy outdoor activities facilitated by nearly maximum daylight hours and a considerable amount of sunshine. Weather in July »Weather in August
August carries over the warmth from July with high temperatures lingering around 74.1°F (23.4°C). The weather in this month continues to be characterized by abundant sunshine and minimal wind, offering perfect conditions for outdoor adventures. Weather in August »Weather in September
September signals the advent of autumn in Littleton. As the days begin to shorten, the temperatures start to fall down, reaching highs of 66.9°F (19.4°C) on average. The lush green landscapes start to embrace vibrant fall colors. Weather in September »Weather in October
Autumn is in full swing in October, with temperatures continuing to drop. As the city moves away from the hot summer months, the winds pick up speed, increasing from 4.8mph (7.7km/h) in September to 5.3mph (8.5km/h) in October. Weather in October »Weather in November
In November, Littleton succumbs to the chilling influence of the approaching winter, with temperatures falling to lows of 27.5°F (-2.5°C). Notably, snow starts appearing in the cityscape, replacing the autumn leaves. This shift in weather marks the beginning of what is typically a very snowy winter season. Weather in November »Weather in December
Littleton's winter reaches its zenith in December, with the temperature plunging even further and reaching a low of 18.1°F (-7.7°C). Conditions are enhanced by significant snowfall, turning the city into a winter wonderland. Weather in December »Updated: Aug 23, 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
With its average high temperature of 22.5°F (-5.3°C) and a low of 9.3°F (-12.6°C), January is regarded as the coldest month.
January and February, with an average relative humidity of 89%, are most humid months.
In Littleton, during the entire year, the rain falls for 164.3 days and collects up to 29.45" (748mm) of precipitation.
January through May, October through December are months with snowfall.
In Littleton, during the entire year, snow falls for 99.6 days and aggregates up to 57.68" (1465mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.
The month with the most snowfall is February, when snow falls for 20.8 days and typically aggregates up to 13.58" (345mm) of snow.
February has the least sunshine of the year, with an average of 3h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Littleton, 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 is the least humid month, with an average relative humidity of 76%.
June through September are months without snowfall.
The month with the longest days in Littleton is June, with an average of 15h and 30min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
Littleton's warmest weather arrives in July, when temperatures average a high of 76.3°F (24.6°C) and a low of 54.1°F (12.3°C).
The month with the most sunshine is August, with an average of 9.9h of sunshine.
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 2.09" (53mm) of precipitation.
The month with the most rainfall is October, when the rain falls for 16.1 days and typically aggregates up to 2.91" (74mm) of precipitation.
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Littleton, NH
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure
Littleton, 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:
29.98"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:
30.05"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 (29.91"Hg).
Average wind speed
Littleton, NH
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.1mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Littleton, NH
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall
Littleton, NH
- Average rainfall in January:
2.36" - Average rainfall in February:
2.13" - Average rainfall in March:
2.17" - Average rainfall in April:
2.83" - Average rainfall in May:
2.68" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.2" - Average rainfall in September:
2.09" - Average rainfall in October:
2.91" - Average rainfall in November:
2.24" - Average rainfall in December:
2.48"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days
Littleton, NH
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
16.1 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall
Littleton, NH
- Average snowfall in January:
12.68" - Average snowfall in February:
13.58" - Average snowfall in March:
9.17" - Average snowfall in April:
5.75" - Average snowfall in May:
1.22" - Average snowfall in June:
0"
The month with the highest snowfall is February (13.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Littleton, NH
- Average snowfall days in January:
21.1 days - Average snowfall days in February:
20.8 days - Average snowfall days in March:
17.4 days - Average snowfall days in April:
8.2 days - Average snowfall days in May:
0.9 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:
2.7 days - Average snowfall days in November:
9.5 days - Average snowfall days in December:
19 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Littleton, NH
- 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 6min - 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 6min - Average sunshine in February:
3h and 0min - Average sunshine in March:
4h and 24min - Average sunshine in April:
6h and 36min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days
Littleton, NH
- Average sunshine days in January:
8.2 days - Average sunshine days in February:
5.9 days - Average sunshine days in March:
8 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
10.9 days - Average sunshine days in November:
11.6 days - Average sunshine days in December:
8.7 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index
Littleton, NH
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
Littleton, NH
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility
Littleton, NH
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
