Climate and monthly weather forecastLeominster, MA
Climate and monthly weather forecast
The climate of Leominster
Situated in Massachusetts, USA, Leominster falls under the Dfb classification in the Köppen climate system, establishing it as a region with a humid continental climate, no dry season, and warm summer. Weather parameters throughout the year depict considerable variations as each month brings about transformative changes in weather conditions.In an annual perspective, temperature in Leominster ranges from a low of 18°F (-7.8°C) in January to a high of 81.3°F (27.4°C) in July. Humidity levels remain relatively constant throughout the year, with monthly averages fluctuating between 72% in April and 81% in February. Precipitation patterns feature monthly rainfall levels from 1.73" (44mm) in September to 2.91" (74mm) in December. Rainfall is a common occurrence year-round, with the least number of rainy days in February and the most in May and July.
Leominster's weather characteristic has a year-round snowfall, the heaviest from 4.57" (116mm) in January to 6.54" (166mm) in February, and least, 0.16" (4mm) in May. Snowy days range from nine to ten days in January and February to no snowfall from June to September. Sunshine hours reveal variations throughout the year, extending from 4.5 hours in February to a maximum of 10.2 hours in August. Levels of UV radiations are relatively low, peaking at 6 during summer.
The best time to visit Leominster
Visitors who enjoy warm weather with moderate rainfall would find July and August to be the most suitable months to visit Leominster. During these months, temperatures peak at around 81.3°F (27.4°C) and 79.3°F (26.3°C) respectively, offering ample warmth. Furthermore, daylight extends to 14.9 hours and 13.9 hours, allowing plenty of time to explore the outdoors. However, it is to be noted that although September sees a dip in temperature to 71.6°F (22°C), it hosts the lowest rainfall of 1.73" (44mm), making it another favourable month to visit.The worst time to visit Leominster
The harsh weather conditions in January make it a less desirable time for a visit, as the average temperatures plummet to a chilly 18°F (-7.8°C). This period also experiences the highest snowfall of 4.57" (116mm) alongside 9.3 days of snowfall, further intensifying the cold. Within the same line, February carries similar weather patterns with a slight increase in temperature to 19.4°F (-7°C).Spring weather in Leominster
Spring in Leominster, from March to May, ushers in a moderate climate with temperatures rising from a moderate 41.5°F (5.3°C) in March to a warm 66.9°F (19.4°C) in May. The amount of rainfall during this period oscillates between 2.52" (64mm) to 2.24" (57mm). While March sees a decline in snowfall days to 1.8, by May, the town experiences virtually no snowfall.Summer weather in Leominster
With June marking the onset of summer, temperatures in Leominster increase to 74.8°F (23.8°C) and further to 79.3°F (26.3°C) in August. The summer months, from June to August, are characterized by long daylight hours, ranging from 15.3 hours in June to 13.9 hours in August. Rainfall during this time varies from 2.4" (61mm) to 2.48" (63mm).Autumn weather in Leominster
Autumn in Leominster begins in September with slightly cooler temperatures, which gradually decrease around the 70°F (21.1°C) mark to 58.5°F (14.7°C) by November. Rainfall rises from 1.73" (44mm) in September, the minimum all year, to 2.83" (72mm) in November. From a virtually non-existent snowfall in September, the town sees a mild increment to 0.35" (9mm) in November.Winter weather in Leominster
Winter in Leominster spans from December to February, with temperatures falling to a low 25.5°F (-3.6°C) from 36.5°F (2.5°C) in December. The coldest month is January, with the temperature dipping to the lowest level all year at 18°F (-7.8°C). During this time, the town experiences the most snowfall, ranging from 4.29" (109mm) to 6.54" (166mm) per month. The shortest daylight hours are also in the winter, with December having just 9.1 hours.Weather in January
January ushers in a chilly and snowy start to the year in Leominster, Massachusetts. The persistent frigid conditions create a serene winter landscape. Compared to the following month, this month brings slightly lower temperatures, more snowfall days and shorter daylight hours. Weather in January »Weather in February
The cold holds steadfast in February, yet the city of Leominster witnesses a slight rise in mercury. February, with an increase in sunshine hours from the preceding month, offers a brighter winter scene. However, with the arrival of spring in the next month, anticipation of warmer weather subtly builds up. Weather in February »Weather in March
March breaks away from the harsh winter months, inviting milder temperatures and longer daylight hours. It is a month of transition in Leominster, transforming the environment slowly but surely towards spring. The snow starts to retreat, making way for rain that prepares the ground for spring blossoms. Weather in March »Weather in April
April brings with it the undeniable touch of spring to Leominster, with Nature adding color after months of monochrome. It’s a leap from the preceding month, with more sun, fewer snowfall days, and considerable temperature increase. Weather in April »Weather in May
May in Leominster becomes a celebration of spring, with increased sunlight and warming temperatures. The city gleams under longer sunlight hours and fewer cloudy days compared to the previous month. Humidity starts rising, making the air heavy with rich, earthy aromas. Weather in May »Weather in June
As the door to summer opens in June, Leominster bathes in abundant sunshine. It's a stark contrast to the rainy April and May, with fewer rainfall days and more sunshine hours. Outdoor activities are bountiful during these warm, sunny days. Weather in June »Weather in July
In Leominster, July is the zenith of summer, displaying the warmest temperatures of the year. The previous month's warm weather paves the way for the peak summer heat in July. As the thermometer climbs, there is a noticeable rise in humidity and an increase in rain. Weather in July »Weather in August
August sees Leominster under the lingering touch of summer. It's as warm as July, though there is a subtle mellowing of temperatures towards the end of the month. Anticipation of the fall becomes apparent as daylight hours begin to reduce. Weather in August »Weather in September
September marks the arrival of autumn in Leominster. The month witnesses falling temperatures, shorter daylight hours, and an increase in cloudy days compared to August. However, September holds its appeal with mild weather and changing foliage. Weather in September »Weather in October
October in Leominster brings crisp air and spectacular fall foliage. The color palette of the city changes dramatically from green to a mix of fiery reds, warm oranges, and bright yellows. The temperature starts dipping further, hinting at the approaching winter. Weather in October »Weather in November
November signals the end of autumn and the advent of winter. Leominster becomes progressively chillier, preparing to welcome the winter once again. The bright autumnal colors fade, replaced by barren trees standing against gray skies. Weather in November »Weather in December
December consolidates the arrival of winter in Leominster. Compared to November, December reveals a steeper drop in temperature and an increase in snowfall days. Snow starts to settle, blanketing the city in a white sheet. Witnessing significant snowfall of 4.29" (109mm), December illustrates a picturesque winter landscape. Weather in December »Updated: Jul 21, 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
During the coldest month in Leominster, January, temperatures average a high of 30.9°F (-0.6°C) and a low of 18°F (-7.8°C).
In Leominster, during the entire year, the rain falls for 148.5 days and collects up to 29.29" (744mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 38.8 snowfall days, and 24.61" (625mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 81%.
February is the month with the most snowfall. Snow falls for 9.5 days and accumulates 6.54" (166mm) of snow.
With an average of 4.5h of sunshine, February has the least sunshine of the year.
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 is the least humid month, with an average relative humidity of 72%.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 18min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
With its average high temperature of 81.3°F (27.4°C) and a low of 61.3°F (16.3°C), July is regarded as the warmest month.
August has the most sunshine of the year, with an average of 10.2h of sunshine.
The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.73" (44mm) of precipitation.
December is the month with the most rainfall. Rain falls for 10.2 days and accumulates 2.91" (74mm) of precipitation.
December has the shortest days of the year in Leominster, with an average of 9h and 6min of daylight.
Average temperature
Leominster, MA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Leominster, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"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:
30.06"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
Leominster, MA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.6mph - 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:
8.1mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Leominster, MA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Leominster, MA
- Average rainfall in January:
2.28" - Average rainfall in February:
2.2" - Average rainfall in March:
2.52" - Average rainfall in April:
2.68" - Average rainfall in May:
2.24" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.4" - Average rainfall in August:
2.24" - Average rainfall in September:
1.73" - Average rainfall in October:
2.83" - Average rainfall in November:
2.76" - Average rainfall in December:
2.91"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Leominster, MA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and February (7.3 days).
Average snowfall
Leominster, MA
- Average snowfall in January:
4.57" - Average snowfall in February:
6.54" - Average snowfall in March:
5.24" - Average snowfall in April:
1.69" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Leominster, MA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
1.8 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:
0.5 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Leominster, MA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 18min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 6min
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 30min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 42min
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
Leominster, MA
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
14 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
16 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (13.2 days).
Average UV index
Leominster, 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
Leominster, 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
Leominster, MA
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
