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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
Weather in January
January, the same as December, is an icy winter month in Littleton, Massachusetts, with an average temperature fluctuating between 19.8°F (-6.8°C) and 32.5°F (0.3°C). Littleton's January weather reaches an average high of 32.5°F (0.3°C) and an average low of 19.8°F (-6.8°C), making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Littleton, Massachusetts, with an average temperature ranging between min 20.7°F (-6.3°C) and max 35.2°F (1.8°C). The onset of February marks an average high-temperature of a still wintry 35.2°F (1.8°C), hardly differing from January's 32.5°F (0.3°C). Weather in February »
Weather in March
March, the first month of the spring in Littleton, is a chilly month, with an average temperature ranging between max 43°F (6.1°C) and min 28.8°F (-1.8°C). The transition from February to March brings a subtle temperature rise, with average high-temperatures increasing from an icy 35.2°F (1.8°C) to a chilly 43°F (6.1°C). Weather in March »
Weather in April
April in Littleton, Massachusetts, is a mild spring month, with an average temperature varying between 56.1°F (13.4°C) and 38.8°F (3.8°C). An increase in the average high-temperature marks April, moving from March's chilly 43°F (6.1°C) to a refreshing 56.1°F (13.4°C). Weather in April »
Weather in May
May, the last month of the spring in Littleton, is a comfortable month, with an average temperature ranging between min 48.7°F (9.3°C) and max 67.8°F (19.9°C). As May arrives, a rise in the average high-temperature is observed, moving from a moderate 56.1°F (13.4°C) in April to a still refreshing 67.8°F (19.9°C). Weather in May »
Weather in June
June, the first month of the summer in Littleton, is a moderately hot month, with an average temperature varying between 55.8°F (13.2°C) and 75.7°F (24.3°C). With the start of June, the average high-temperature marginally shifts from May's refreshing 67.8°F (19.9°C) to a moderately hot 75.7°F (24.3°C). Weather in June »
Weather in July
July, like June, in Littleton, Massachusetts, is a moderately hot summer month, with an average temperature varying between 82.2°F (27.9°C) and 63°F (17.2°C). Littleton's temperatures tend to reach their peak averages in July, with a high of 82.2°F (27.9°C) and a low of 63°F (17.2°C). The heat index value during July is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Littleton, Massachusetts, with an average temperature ranging between min 61.5°F (16.4°C) and max 80.6°F (27°C). August's advent notes a subtle adjustment in average high-temperature to a still warm 80.6°F (27°C) from July. Weather in August »
Weather in September
September, the first month of the autumn in Littleton, is still a pleasant month, with an average temperature varying between 54.5°F (12.5°C) and 73°F (22.8°C). A subtle shift in Littleton's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 80.6°F (27°C) to an agreeable 73°F (22.8°C). Weather in September »
Weather in October
October, the same as September, in Littleton, Massachusetts, is another refreshing autumn month, with an average temperature varying between 45.3°F (7.4°C) and 59.7°F (15.4°C). Littleton's weather in October involves a decrease in the average high-temperature, moving down from September's pleasant 73°F (22.8°C) to a refreshing 59.7°F (15.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Littleton, is also a frosty month, with an average temperature varying between 48.2°F (9°C) and 34.9°F (1.6°C). Transition into November marks a drop in the average high-temperature, moving from a refreshing 59.7°F (15.4°C) in October to a frosty 48.2°F (9°C). Weather in November »
Weather in December
December, the first month of the winter in Littleton, is still a cold month, with an average temperature ranging between min 26.6°F (-3°C) and max 38.1°F (3.4°C). December suggests a modest reduction in the average high-temperature, shifting from a chilly 48.2°F (9°C) in November to an icy 38.1°F (3.4°C). Weather in December »
Updated: Jul 29, 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 is the coldest month?
With an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month.
How many days does it rain in Littleton?
Throughout the year, there are 140 rainfall days, and 27.09" (688mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Littleton, during the entire year, snow falls for 34.1 days and aggregates up to 23.58" (599mm) of snow.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 80%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 8.1 days and accumulates 6.14" (156mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.5h of sunshine.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
The least humid month is April, with an average relative humidity of 70%.
When it does not snow?
In Littleton, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year in Littleton.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Littleton?
July, recognised by an average high temperature of 82.2°F (27.9°C) and a low of 63°F (17.2°C), is Littleton's warmest month.
What month has the most sunshine?
With an average of 10.2h of sunshine, August has the most sunshine of the year.
What is the driest month?
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.38" (35mm) of precipitation.
What is the rainiest month?
The month with the most rainfall is October, when the rain falls for 13.3 days and typically aggregates up to 2.68" (68mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Littleton, MA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Littleton, MA
- 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:
29.97"Hg - Average pressure in May:
30"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:
30.07"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 (29.92"Hg).
Average wind speed
Littleton, MA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.3mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Littleton, MA
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Littleton, MA
- Average rainfall in January:
2.13" - Average rainfall in February:
2.05" - Average rainfall in March:
2.56" - Average rainfall in April:
2.6" - Average rainfall in May:
1.97" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.05" - Average rainfall in September:
1.38" - Average rainfall in October:
2.68" - Average rainfall in November:
2.56" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days
Littleton, MA
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6.5 days).
Average snowfall
Littleton, MA
- Average snowfall in January:
4.37" - Average snowfall in February:
6.14" - Average snowfall in March:
5.04" - Average snowfall in April:
1.81" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Littleton, MA
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
8.1 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Littleton, MA
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - 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:
14h and 5min - 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 5min - Average daylight in December:
9h and 1min
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 6min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 4min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Littleton, MA
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
14.4 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17 days - Average sunshine days in October:
15 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.7 days).
Average UV index
Littleton, MA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Littleton, MA
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Littleton, MA
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Littleton, Massachusetts, USA
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