Climate and monthly weather forecast
Fitchburg, MA

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The climate of Fitchburg

Positioned within the confines of Massachusetts, USA, Fitchburg braves the elements marked by a Dfb climate under the Köppen classification. This tag denotes a Humid Continental environment characterized by no dry season, with a warm summer providing a transient respite from the commonly cold conditions. This climate's constancy blankets Fitchburg throughout the year, witnessing variations in weather parameters in its stride.

Month by month, the temperature seesaw occurs between a balmy high of 81.5°F (27.5°C) in July and a frigid low of 18°F (-7.8°C) in January. Mid-year months offer warmth, with the mercury rarely teasing the lower end of the scale. Conversely, the onset of the year signals a downturn in temperature, plunging in the depths of icy coldness.

Humidity remains fairly consistent year-round, flirting with the 70-80% bracket, a testament to Fitchburg's humid continental climate denomination. Rainfall cl" an annual uppermost of 2.99" (76mm) in December, rarely drying completely, adhering to the characteristic lack of a dry season. Conversely, June registers zero snowfall inches, a stark difference from the wintery January, where the snowfall inches max out at a substantial 6.34" (161mm). This draws a vivid picture of the city's unique weather palette, varying from dry, warm summer days to cold, snow-laden winter nights.

The best time to visit Fitchburg

Visitors seeking a reprieve from chilly temperatures should aim for the sweltering mid-year months. July, with a high of 81.5°F (27.5°C) and the maximum of 15.3 daylight hours, presents an ideal time for a sun-kissed experience. Beyond temperature, July also flaunts a low rainfall of 2.72" (69mm), minimizing disruptions to outdoor plans.

The worst time to visit Fitchburg

For those deterred by the frosty chill, January supplies peak winter conditions with lowest temperatures around the 18°F (-7.8°C) mark. Accompanied by a high snowfall of 6.34" (161mm) and a total of 9.3 snowfall days, this month could prove inhospitable for the snow-averse tourist.

Spring weather in Fitchburg

Spring in Fitchburg emerges from the winter chill, gradually ameliorating the temperatures. The daily highs range from 30.7°F (-0.7°C) in March to 66.9°F (19.4°C) in May, while average lows edge up from 19.2°F (-7.1°C) to 47.1°F (8.4°C) over the same period. Rainfall is also a frequent occurrence, peaking at a high of 2.76" (70mm) in April. Snow still dusts the city in the early spring, with snowfall of 4.57" (116mm) in March dwindling to a mere 0.16" (4mm) by May.

Summer weather in Fitchburg

Revel in the vibrant summer days of Fitchburg - these comprise the city's warmest and longest hours of sunlight. Highs rise up to 81.5°F (27.5°C) in July, complemented by nightly lows around 61.3°F (16.3°C). Rainfall dips to 2.72" (69mm) in July, while snowfall remains entirely absent. Daylight flirtation extends up to 15.3 hours in June, bid by up to 10.1 hours of sunshine in the same month.

Autumn weather in Fitchburg

The arrival of autumn sees a descending trend in temperature, however, still manages to retain comfortable conditions in the earlier months. High temperatures fluctuate from 71.6°F (22°C) in September to 46.8°F (8.2°C) by November, with lows altering from 53.6°F (12°C) to 33.4°F (0.8°C) spanning the same period. Rainfall measures peak at 2.95" (75mm) in October, with the snowfall of 0.59" (15mm) making an appearance, heralding the nearing winter.

Winter weather in Fitchburg

The winter months put forth Fitchburg's cold hard truth, with temperatures plunging to a frigid 18°F (-7.8°C) in January. This is further solidified by a substantial snowfall, having 4.37" (111mm) in December and enhancing to 6.34" (161mm) come January. The shortened day period during winter is evident with daylight hours contracting to approximately 9.1 hours in December. The high degree of cloud cover, with percentages reaching up to 49% in December, adds to the winter ambiance in Fitchburg.

Weather in January

In Fitchburg, Massachusetts, the weather showcases deep winter conditions during January. Snowfall is common with an average accumulation of approximately 4.41" (112mm) scattered across roughly 9.3 days. While the weather is perfect for winter sports enthusiasts, travel may get hindered due to potential blizzards. Weather in January »

Weather in February

Transitioning from January, February experiences a slight rise in temperature but remains firmly in winter's grip. Snow records a slightly higher accumulation at 6.34" (161mm), presenting a snowy wonderland environment. Frosty mornings often lead to clear crisp days, offering spectacular winter vistas. Weather in February »

Weather in March

March depicts the beginning of spring in Fitchburg, with warmth beginning to infiltrate the cool winter air. The city experiences an easing off the snowy regime, with an average snowfall reduced to 4.57" (116mm) over approximately 8.9 days. Weather in March »

Weather in April

April brings a clear departure from winter towards more hospitable spring weather in Fitchburg. The sharp decrease in snowfall, registering only 1.54" (39mm) across barely 1.6 snowfall days, confirms the end of the snowy season. Sunnier, warmer days become more frequent, making it ideal for outdoor activities and exploration. Weather in April »

Weather in May

The month of May intertwines the freshness of spring with the initial surge of summer in Fitchburg. Bright sunlight gradually supplants the last vestiges of winter, with snow recording a mere accumulation of 0.16" (4mm). Warm winds sweep through the city, and citizens enjoy picnics, barbecues, and outdoor activities in full swing. Weather in May »

Weather in June

Fitchburg, in June, displays the arrival of summer in all its glory. The city witnesses no snowfall, reflecting a predominantly sunny landscape with longer daylight hours. Temperature averages rise significantly, enabling all kinds of outdoor activities to flourish. Weather in June »

Weather in July

July stands out as the warmest month of the year in Fitchburg, offering residents a taste of peak summer. With average temperatures hovering around 81.5°F (27.5°C) to 61.3°F (16.3°C), it provides residents with consistent summer weather. Weather in July »

Weather in August

August transitions gently with a slight decrease in average temperatures from the heat of July in Fitchburg. The rainfall is slightly less than in July, registering 2.52" (64mm) spread across roughly 15.9 days. This season encourages afternoons at local outdoor cafes or exploring nature in the many green spaces around. Weather in August »

Weather in September

September in Fitchburg marks the commencement of the fall season with a clear drop in temperature averages. The decrease in rainfall, recorded at 1.81" (46mm), is evident as the dry spell of autumn begins. As leaves start to change color, the city transforms into a picturesque tableau of oranges, yellows, and reds. Weather in September »

Weather in October

October experiences a considerable drop in temperature, validating the full arrival of autumn in Fitchburg. The city witnesses the return of snowfall after several months, with an average accumulation of 0.59" (15mm). This mild snowfall sprinkles the orange landscape with specks of white, adding to the scenic charm of fall. Weather in October »

Weather in November

As November sets in, Fitchburg undergoes a visible transformation towards the onset of winter. The increasing chill in the air culminates in snowfalls, recording an accumulation of 1.73" (44mm). It's time for woolens to make a comeback as the city prepares for the freezing months ahead. Weather in November »

Weather in December

December exhibits full-fledged winter conditions in Fitchburg, Massachusetts. The experienced snowfall rises significantly to 4.37" (111mm), indicative of the ongoing wintry reign. Christmas decorations adorn the city streets, enhancing the charm of the snowy landscape. Weather in December »
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The coldest time of the year is January, with temperatures averaging a high of 30.7°F (-0.7°C) and a low of 18°F (-7.8°C).

How much does it rain?

Throughout the year, there are 159 rainfall days, and 30.94" (786mm) 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 Fitchburg?

Throughout the year, there are 38.7 snowfall days, and 23.7" (602mm) of snow is accumulated.

What are the months 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 82%.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 9.1 days and typically aggregates up to 6.34" (161mm) 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 in Fitchburg?

With an average relative humidity of 72%, April is the least humid month.

When it does not snow?

In Fitchburg, 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.

What is the month with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What part of the year is the hottest?

In Fitchburg, the peak average temperatures are observed in July, with a high of 81.5°F (27.5°C) and a low of 61.3°F (16.3°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 1.81" (46mm) of precipitation.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 2.99" (76mm) 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
Fitchburg, MA

Average temperature - Fitchburg, MA

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.7°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
Fitchburg, MA

Average pressure - Fitchburg, MA

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
Fitchburg, MA

Average wind speed - Fitchburg, MA

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity
Fitchburg, MA

Average humidity - Fitchburg, MA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Fitchburg, MA

Average rainfall - Fitchburg, MA

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days
Fitchburg, MA

Average rainfall days - Fitchburg, MA

The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is January (7.3 days).

Average snowfall
Fitchburg, MA

Average snowfall - Fitchburg, MA

The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Fitchburg, MA

Average snowfall days - Fitchburg, MA

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Fitchburg, MA

Average daylight / Average sunshine - Fitchburg, MA

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).

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
Fitchburg, MA

Average sunshine days - Fitchburg, MA

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.4 days).

Average UV index
Fitchburg, MA

Average UV index - Fitchburg, MA

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Fitchburg, MA

Average visibility - Fitchburg, 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).

Fitchburg, Massachusetts, USA

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