Climate and monthly weather forecastCambridge, MA
Climate and monthly weather forecast
The climate of Cambridge
Cambridge, Massachusetts sees a highly varied seasonal cycle as per the Köppen climate classification Dfa, marking it as a place with a humid continental climate, no dry season and a hot summer period. This characteristic climate scheme is mainly due to Cambridge's geographical locus in the northern hemisphere and its proximity to the Atlantic Ocean.Throughout the year, Cambridge experiences a substantial fluctuation in weather parameters including temperature, rainfall, daylight and wind. The yearly temperature range varies from a low of 22.5°F (-5.3°C) in cold season to a high of 81.9°F (27.7°C) in warmer period, depicting Cambridge's broad spectrum of temperatures. The yearly average rainfall measurement spans from 0.2" (5mm) in September to as high as 0.63" (16mm) in November, indicating notable variation in precipitation levels.
The daylight hours reflect the city's northern latitude, fluctuating from 9.1 hours in December to an ample 15.2 hours in mid-summer, creating noticeable changes in day lengths throughout the year. Wind speed averages also alter with the seasons. Speeds are relatively higher in the cooler weather, peaking to 9.5mph (15.3km/h) in January, and taper down to 6.1mph (9.8km/h) in the warmest month of July.
Emphasizing unique aspects, June to August experiences the hottest months with temperatures frequently hitting the scale beyond 80°F (26.7°C). On the contrary, the city finds its chilliest phase during December to February when temperatures often dip far below 30°F (-1.1°C). November presents as the wettest month, while September remains relatively dry with minimal rainfall.
The best time to visit Cambridge
Analyzing the weather patterns and climatic parameters, the best time to visit Cambridge would be in late spring to early summer between May and June. Accommodating temperatures from 55.6°F (13.1°C) to 74.5°F (23.6°C), these months offer comfortable climatic conditions for sightseeing and outdoor activities. The moderate presence of rain during this period might bring temporary showers but shouldn't significantly hinder most plans. Furthermore, the daylight hours extending up to 14.6 hours in May and 15.2 hours in June ensure a longer day, providing ample time to explore Cambridge's attractions.The worst time to visit Cambridge
Although each season holds its charm, winter months from December to February might prove challenging for visits given their low temperatures that fall below 30°F (-1.1°C) on an average. Combined with high humidity levels reaching up to 76% and regular snowfall, it can produce a rather harsh and cold weather experience. However, those who love snow and winter sports might find these conditions appealing.Spring weather in Cambridge
Spring in Cambridge starts in March and continues until May, demonstrating a gradual rise in temperature from 43.3°F (6.3°C) to 66.7°F (19.3°C). Rainfall increases progressively, peaking at 0.59" (15mm) in April. The receding cold can still be felt during the night with temperatures dipping to 40.1°F (4.5°C), especially in early spring. However, daylight hours increase significantly, marking the transition from winter gloom to brighter spring days.Summer weather in Cambridge
Summertime is prominently warm in Cambridge from June through August, with average highs soaring up to 81.9°F (27.7°C) in July. Nights offer little respite from the heat with temperatures hovering around 64.6°F (18.1°C). The summer months also bring substantial rainfall averaging around 0.51" (13mm) in June. The wind speed during this period drops to its yearly low at 6.1mph (9.8km/h), offering sultry days with relatively weak breezes.Autumn weather in Cambridge
Autumn weather in Cambridge puts on display a pleasant drop in temperature from 72.9°F (22.7°C) in September to 49.5°F (9.7°C) in November. The level of rainfall also sees a significant rise, peaking at 0.63" (16mm) during November. While daylight hours gradually decrease, autumn proves to be a balanced time with moderate climate conditions.Winter weather in Cambridge
Cambridge's winter commences in December and lasts till February. This period is predominantly cold with average high temperatures only reaching up to 39.6°F (4.2°C), while the lows can plunge to a chilling 22.5°F (-5.3°C). In addition to icy temperatures, winter months witness frequent snowfall with measurements up to 0.71" (18mm) in December. These months also feature reduced daylight hours, with December only offering 9.1 hours of daylight, lending a distinct cold and harsh ambiance to the city during this period.Weather in January
January in Cambridge, Massachusetts predominantly delivers snowfall, a common characteristic of weather in this area in winter. With a typical mix of snow-affected and dry days, the climate often alternates from snowy conditions to clear skies. Weather in January »Weather in February
As the month follows suit to its predecessor, February in Cambridge, Massachusetts continues to display winter's grip. Residents have grown acclimated to the chill by now. The trademark flurries of snow and bracing winds bring with them a reminder of the strength of Massachusetts' winter. Weather in February »Weather in March
By the time March arrives in Cambridge, Massachusetts, the hard-hitting winter begins to loosen its hold. Warmth starts returning to the weather patterns, signaling the beginning of the thaw. Patches of snow start melting, and the familiar chirping of birds signifies the arrival of spring. Weather in March »Weather in April
April is a month of true transformation in Cambridge, Massachusetts, with the definitive arrival of spring. Traces of winter have finally faded and the city basks in the pleasant and mild temperatures. The beautiful blossoming of flora is hard to overlook, adding vibrancy to the city. Weather in April »Weather in May
The mild weather of April gives way to the warming month of May in Cambridge, Massachusetts. A substantial hike in temperatures makes the days considerably warmer, while evenings remain cool and comfortable. The city landscape is teeming with life as flowers bloom and trees are lush. Weather in May »Weather in June
June brings the introductory tastes of summer to Cambridge, Massachusetts. The city comes alive under the extended hours of daylight and the balmy weather. Folks begin to throng at local parks, engage in outdoor sports, and soak up the sunshine. Weather in June »Weather in July
July is the prime summer month in Cambridge, Massachusetts, showcasing the year's highest temperatures. Frequent trips to nearby lakes and beaches become a favorite pastime for residents. Clear blue skies, vibrant green landscapes, and warmer nights describe this quintessential summer month. Weather in July »Weather in August
The city of Cambridge, Massachusetts, experiences an extended summer season in August. The warm weather continues, offering breathtaking sunsets over Charles River and lively evenings in outdoor cafés. Milder nights provide a welcome relief from the heat of the day. Weather in August »Weather in September
September stands as a transition month in Cambridge, Massachusetts, marking the shift from summer to autumn. The weather becomes cooler, and the deciduous trees begin showing hints of fall colors. Locals enjoy outdoor activities as the weather remains warm but not excessively hot. Weather in September »Weather in October
October in Cambridge, Massachusetts sees the full summary of autumn. With vibrant fall foliage adorning the city, the weather grows crisp and calls for light jackets. The streets brim with Halloween decorations towards the month's close, adding to the seasonal atmosphere. Weather in October »Weather in November
November in Cambridge, Massachusetts is a month with brisk weather and earlier sunsets, pointing towards the arrival of winter. The deciduous trees shed their leaves, leaving behind a carpet of vibrant colors. The once-bustling parks slowly quiet down as cool breezes become more frequent. Weather in November »Weather in December
December marks the onset of winter in Cambridge, Massachusetts. White-covered landscapes and Christmas decorations create a picturesque ambiance. The winter chill can be felt, but snowfall remains at the lower end, making travel less challenging. Weather in December »Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Cambridge experiences its average lowest temperatures in January, reaching a peak of 33.8°F (1°C) and a minimum of 22.5°F (-5.3°C).
The months with the highest humidity are January and February, with an average relative humidity of 77%.
Throughout the year, there are 81.8 rainfall days, and 5.51" (140mm) of precipitation is accumulated.
January through May, November and December are months with snowfall.
Throughout the year, there are 16.8 snowfall days, and 2.4" (61mm) of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
With an average of 4.7h 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.
The least humid month is April, with an average relative humidity of 69%.
June through October are months without snowfall.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Cambridge reaches its average highest temperatures in July, measuring 81.9°F (27.7°C) at the peak and 64.6°F (18.1°C) at the lowest.
The month with the most sunshine is August, with an average of 10.5h of sunshine.
The month with the least rainfall is September, when the rain falls for 6.4 days and typically collects 0.2" (5mm) of precipitation.
The month with the most rainfall in Cambridge is November, when the rain falls for 4.7 days and typically aggregates up to 0.63" (16mm) of precipitation.
The month with the most snowfall is December, when snow falls for 2.7 days and typically aggregates up to 0.71" (18mm) of snow.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Cambridge, MA
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Cambridge, 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:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Cambridge, MA
- Average wind speed in January:
9.5mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
9mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Cambridge, MA
The months with the highest relative humidity are January and February (77%).
The month with the lowest relative humidity is April (69%).
Average rainfall
Cambridge, MA
- Average rainfall in January:
0.39" - Average rainfall in February:
0.39" - Average rainfall in March:
0.43" - Average rainfall in April:
0.59" - Average rainfall in May:
0.43" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.39" - Average rainfall in September:
0.2" - Average rainfall in October:
0.51" - Average rainfall in November:
0.63" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days
Cambridge, MA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
9.1 days - Average rainfall days in May:
7.8 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
9.6 days - Average rainfall days in August:
7.9 days - Average rainfall days in September:
6.4 days - Average rainfall days in October:
6 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Cambridge, MA
- Average snowfall in January:
0.35" - Average snowfall in February:
0.55" - Average snowfall in March:
0.63" - Average snowfall in April:
0.04" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Cambridge, MA
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.6 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cambridge, 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 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - 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 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Cambridge, MA
- Average sunshine days in January:
23.5 days - Average sunshine days in February:
21.4 days - Average sunshine days in March:
20.6 days - Average sunshine days in April:
19.1 days - Average sunshine days in May:
19.4 days - Average sunshine days in June:
17.4 days
- Average sunshine days in July:
18 days - Average sunshine days in August:
19.8 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
23.3 days - Average sunshine days in December:
23 days
The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is June (17.4 days).
Average UV index
Cambridge, 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
Cambridge, MA
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Cambridge, MA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
