Climate and monthly weather forecastNorthampton, MA
Climate and monthly weather forecast
The climate of Northampton
Northampton, Massachusetts, situated in the United States, is characterized by its Humid Continental climate. This region experiences no dry season, and summers are warm, complimenting the Köppen climate classification of Dfb. As per the climatological data, the weather in Northampton undergoes a significant transformation throughout the year.Analysis of the weather parameters reveals that the temperature reaches peak summertime highs of about 81.7°F (27.6°C) and retreats to its minimum wintertime lows of 18°F (-7.8°C). This substantial variation accommodates both the comfortable warmth of the summer and the frosty grip of the winter. The daylight span also oscillates between 9.1 hours in December and 15.2 hours during June, further underlining the extent of the seasonable weather shift.
Northampton's climate exhibits additional distinct patterns. A pronounced decrease in snowfall from 1.73" (44mm) in January to zero in June suggests the winter's end. Likewise, the variation in humidity, ranging from 72% to 82%, reflects seasonal changes. It is worth noting the substantial amount of rainfall during October, amounting to 1.61" (41mm) across approximately 11.7 days, which surpasses any other month.
The best time to visit Northampton
For travelers planning a visit to Northampton and keen to make the most of the fine weather, summertime is particularly inviting. From June to August, the region basks in average high temperatures between 75.2°F (24°C) to 81.7°F (27.6°C). The amount of sunshine also plateaus at around 10.3 hours per day, assuring a vibrant ambiance, ideal for outdoor pursuits. Combined with the lowest annual pressure fluctuations of around 29.92" (760mm) in June, these months provide the most stable and pleasant weather conditions.The worst time to visit Northampton
Conversely, the winter months of December through February pose several challenges for visitors. During this period, temperatures plummet to lows of 18°F (-7.8°C) to 18.7°F (-7.4°C), with a winter apex barely reaching 33.4°F (0.8°C). Coupled with abundant snowfall of up to 1.85" (47mm) in February, and reduced daylight hours dwindling to 9.1 hours in December, these conditions can be harsh for outdoor activities. Potential visitors who are not keen on braving icy outdoor conditions should avoid this period.Spring weather in Northampton
Spring in Northampton commences in March and lasts until May, marked by a gradual transition from the chill of winter to the warmth of summer. During these months, daily high temperatures climb slowly from 41.7°F (5.4°C) in March to 67.6°F (19.8°C) by the close of May. Concurrently, snowfall continually decreases from 1.06" (27mm) in March to a negligible 0.08" (2mm) in May. Rainfall also varies slightly, from 0.98" (25mm) in March to 1.38" (35mm) in May, spread across 11-13.9 days.Summer weather in Northampton
June through August make up the summer period in Northampton. This season promises high temperatures, peaking at 81.7°F (27.6°C) in July. No snowfall occurs during these months, supplanted by increased rainfall amounts—peaking at 1.46" (37mm) in both June and July. Yet, these heavy rainfalls do not overshadow the abundant sunshine, with light filling the city for an impressive 15.2 hours in June, easing slightly to 14.9 hours in July.Autumn weather in Northampton
Autumn in Northampton ushers in the transition from balmy summer highs to the colder winter climate. September to November are characterized by temperatures gradually falling from a high of 72°F (22.2°C) in September to a lower 46.9°F (8.3°C) by November. Corresponding with this decrease in temperature, daylight hours decrease from 12.5 hours in September to 9.8 hours in November.Winter weather in Northampton
Winters in Northampton, encompassing December through February, unveil the harshest weather conditions. Temperatures range from lows of 18°F (-7.8°C) in January to slightly higher 36°F (2.2°C) in December. Coupled with snowfall peaking at 1.85" (47mm) in February and the shortest daylight duration of 9.1 hours in December, these factors converge to form decidedly less hospitable conditions during these winter months.Weather in January
Northampton, Massachusetts welcomes the New Year under a blanket of snow with January being one of the coldest months. In terms of temperature, January sees lows of 18°F (-7.8°C) and highs of 30.4°F (-0.9°C). The chill in the air is exacerbated by an average wind speed of 8mph (12.9km/h), turning the streets into wind tunnels. Weather in January »Weather in February
Much like January, February continues to be in the grip of winter in Northampton. The slight increase in temperature from lows of 18.7°F (-7.4°C) to highs of 33.4°F (0.8°C) indicate the slow, incoming arrival of spring. This month sees the highest snowfall of the year at 1.85" (47mm), turning the city into a winter wonderland. Weather in February »Weather in March
As per the data, Northampton witnesses a drastic temperature rise in March with values ranging from 27°F (-2.8°C) to 41.7°F (5.4°C). Winter begins to recede, and the early signs of spring start to appear in the city. The melting snow gives way to scattered showers, keeping the humidity in check. Weather in March »Weather in April
With spring in full bloom, April brings a significant temperature shift, with the mercury ranging from 37.2°F (2.9°C) to 55°F (12.8°C). Natural beauty starts to manifest itself as the greenery is revived by the annual spring rain. Weather in April »Weather in May
May is characterized by warmer climate and fewer clouds, as summer begins to make its presence felt in Northampton. The temperature swings between the mild Zone of 47.5°F (8.6°C) and the quite warm temperature of 67.6°F (19.8°C). Weather in May »Weather in June
June marks the true arrival of summer in Northampton, with the highest recorded daylight hours of approximately 15.2. The city sees increased outdoor activities with temperatures between a cozy 54.3°F (12.4°C) and a sunny 75.2°F (24°C). Weather in June »Weather in July
Northampton, Massachusetts experiences the hottest month of the year in July, with temperatures soaring from 60.8°F (16°C) and peaking at 81.7°F (27.6°C). It's a time when the city is busting with summer activities as everyone soaks up the sun. Weather in July »Weather in August
August continues the trend of warmth in Northampton, with temperatures that range from 59°F (15°C) to 79.3°F (26.3°C). While there's a slight drop in temperature from July, the summer heat still looms large. August is characterized by late-summer events, open-air concerts, and bustling farmers' markets. Weather in August »Weather in September
September provides a smooth transition from the sweltering summer to pleasant fall with temperatures swinging from 52.7°F (11.5°C) to 72°F (22.2°C). The city of Northampton begins to showcase its fall colors, attracting numerous visitors. Weather in September »Weather in October
Fall sets in fully by October, bringing the temperature range to between 43.7°F (6.5°C) and 58.8°F (14.9°C) in Northampton. October is characterized by vibrant fall foliage and enriching cultural events. Rainfall is a bit erratic during this period, enhancing the freshness of the city. Weather in October »Weather in November
November brings colder winds to Northampton, marking the transition to winter. The drop in temperature from 33.1°F (0.6°C) to 46.9°F (8.3°C) calls for heavier clothing as Northampton heads into the holiday season. Leaves fall and the cityscape transforms, preparing itself for the impending snowfall. Weather in November »Weather in December
Winter announces its arrival in December when Northampton sees temperatures between 24.8°F (-4°C) and 36°F (2.2°C). Festive spirit fills the air as snow carpets the city, creating a picturesque winter scene. Despite the chill, the city glows with holiday decorations and bustling markets. Weather in December »Updated: Jun 4, 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
Northampton's coldest weather arrives in January, when temperatures average a high of 30.4°F (-0.9°C) and a low of 18°F (-7.8°C).
In Northampton, during the entire year, the rain falls for 134.1 days and collects up to 14.84" (377mm) of precipitation.
Months with snowfall are January through May, November and December.
In Northampton, during the entire year, snow falls for 28.6 days and aggregates up to 6.5" (165mm) of snow.
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.
With an average relative humidity of 82%, February is the most humid month.
The month with the least rainfall is February, when the rain falls for 9.2 days and typically collects 0.91" (23mm) of precipitation.
The month with the most snowfall is February, when snow falls for 7.7 days and typically aggregates up to 1.85" (47mm) of snow.
February has the least sunshine of the year, with an average of 4.6h of sunshine.
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 in Northampton is April, with an average relative humidity of 72%.
In Northampton, snow does not fall in June through October.
With an average of 15h and 12min of daylight, June has the longest days of the year.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
July registers as the month with the average highest temperatures, reaching 81.7°F (27.6°C) at its peak and 60.8°F (16°C) at the lowest.
July and August, with an average of 10.3h of sunshine, are months with the most sunshine.
October is the month with the most rainfall. Rain falls for 11.7 days and accumulates 1.61" (41mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Northampton, MA
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Northampton, MA
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"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:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Northampton, MA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Northampton, MA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Northampton, MA
- Average rainfall in January:
0.98" - Average rainfall in February:
0.91" - Average rainfall in March:
0.98" - Average rainfall in April:
1.22" - Average rainfall in May:
1.38" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.46" - Average rainfall in August:
1.22" - Average rainfall in September:
0.98" - Average rainfall in October:
1.61" - Average rainfall in November:
1.26" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days
Northampton, MA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
11 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
13.7 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (8.5 days).
Average snowfall
Northampton, MA
- Average snowfall in January:
1.73" - Average snowfall in February:
1.85" - Average snowfall in March:
1.06" - Average snowfall in April:
0.16" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Northampton, MA
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.2 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:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.1 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Northampton, 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 6min - 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 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Northampton, MA
- Average sunshine days in January:
19 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (13.7 days).
Average UV index
Northampton, 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, October, November and December (UV index 2).
Average cloud cover
Northampton, MA
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Northampton, MA
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
