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Contents
- The climate of Newmarket
- The Best Time to Visit Newmarket
- The Worst Time to Visit Newmarket
- Spring Weather in Newmarket
- Summer Weather in Newmarket
- Autumn Weather in Newmarket
- Winter Weather in Newmarket
- 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
The climate of Newmarket
Newmarket, situated in New Hampshire, USA, hosts a prominent Dfb Seasonal rotation pattern. This Humid Continental type is characterized by no dry season coupled with warm summers. Cherishing a cool temperate climate, it steadily progresses from colder to warmer days from January to July and dips back from July to December.
Characteristic of the Dfb climate, the city experiences a considerable temperature fluctuation throughout the year. It sees a jump from 19.8°F (-6.8°C) in January, escalating up to a high of 77.4°F (25.2°C) in July, before winding down again towards year-end. Alongside, the city sees an average upswing in daylight hours from 9.4 hours in January, peaking to 15.3 hours in June, and reverting to 9.1 hours in December.
The temperature fluctuations noticeably reflect in the snow-ridden duration too. Newmarket witnesses moderate snowfalls in January with 3.9" (99mm) of snowfall. The snowfall decreases gradually, with no presence of it from May to September and recommences from October, wrapping the year with another moderate spell in December with 4.53" (115mm) of snow fall.
Corresponding with the snowfall trend, the city encounters high-humidity months from January to September within the range of 78% to 80% relative humidity, with a slight dip in October to 75% and back to a higher level in December at 78%.
Characteristic of the Dfb climate, the city experiences a considerable temperature fluctuation throughout the year. It sees a jump from 19.8°F (-6.8°C) in January, escalating up to a high of 77.4°F (25.2°C) in July, before winding down again towards year-end. Alongside, the city sees an average upswing in daylight hours from 9.4 hours in January, peaking to 15.3 hours in June, and reverting to 9.1 hours in December.
The temperature fluctuations noticeably reflect in the snow-ridden duration too. Newmarket witnesses moderate snowfalls in January with 3.9" (99mm) of snowfall. The snowfall decreases gradually, with no presence of it from May to September and recommences from October, wrapping the year with another moderate spell in December with 4.53" (115mm) of snow fall.
Corresponding with the snowfall trend, the city encounters high-humidity months from January to September within the range of 78% to 80% relative humidity, with a slight dip in October to 75% and back to a higher level in December at 78%.
The Best Time to Visit Newmarket
Newmarket sees a peak in warmer climate and elongated daylight hours from June to August, making it an optimal time to plan a visit. The temperature averages between 70.2°F (21.2°C) to 76.8°F (24.9°C) during these months. Moreover, the rainfall remains moderate to low, further enhancing the vibrancy of the city during these months.
The Worst Time to Visit Newmarket
The colder times are perhaps the less welcoming time in the year, distinctly from December to February. The temperature plunges to an average of 31.5°F (-0.3°C) in December and down to 19.8°F (-6.8°C) in January. Coupled with a decrease in daylight hours down to 9.1 hours in December and lower to 9.4 hours in January, the ambiance becomes a bit gloomy.
Spring Weather in Newmarket
The spring season between March and May brings a shift from the biting cold to welcoming warmth. Average temperatures step up from 40.3°F (4.6°C) in March to 62.2°F (16.8°C) in May. Days see an increase in sunlight averaging from 12 hours in March to 14.7 hours in May. Moderate rainfall accompanies the season, with rainfall marginally fluctuating between 2.36" (60mm) to 2.01" (51mm).
Summer Weather in Newmarket
Summer in Newmarket is characterized by a toastier climate from June to August. An upswing in average temperatures from 70.2°F (21.2°C) in June to 77.4°F (25.2°C) in July before descending mildly to 76.8°F (24.9°C) in August is experienced. The average daylight hours during these months range from 15.3 hours in June, peak at 15 hours in July, and drop to 13.9 hours in August.
Autumn Weather in Newmarket
Autumn exhibits a declination from cooler to colder temperatures from September till November. September starts with a comfortable 69.6°F (20.9°C) which drops down to 46.6°F (8.1°C) by November. The daylight hours decrease from 12.5 hours in September to 9.7 hours in November, indicating shorter days.
Winter Weather in Newmarket
Winter freezes the atmosphere from December to February, with temperatures dipping down to 37°F (2.8°C) in December to 19.8°F (-6.8°C) in January and marginally up again to 21°F (-6.1°C) in February. The presence of fewer daylight hours between 9.4 hours in January to 10.6 hours in February encapsulates the city in a chilly envelope. During this time, snowfall increases to 4.53" (115mm) in December and resides at 3.9" (99mm) in January.
Weather in January
Chilly temperatures, high humidity, and frequent snowfall all characterize Newmarket's January weather. This month stands as one of the coldest, with average high and low temperatures of 31.5°F (-0.3°C) and 19.8°F (-6.8°C) respectively. Weather in January »
Weather in February
Weatherwise, February does not deviate significantly from the conditions experienced in January. However, Newmarket sees a moderate increase in temperature from the previous month, with the cold slightly relenting. Snowfall is reduced to 4.45" (113mm), yet enough to keep winter activities in full swing. Weather in February »
Weather in March
March signals the start of mild weather changes in Newmarket. Temperatures start to increase, reaching an average high of 40.3°F (4.6°C), heralding the approaching spring. Despite this, winter’s grip can still be felt with 3.07" (78mm) of snowfall dotting the landscape. Weather in March »
Weather in April
April brings the first notable signs of spring to Newmarket. The temperature leaps to a comfortable high of 51.6°F (10.9°C), while the snowfall reduces substantially from March, at an average of 1.57" (40mm). Meanwhile, rainfall increases to facilitate the burgeoning spring growth. Weather in April »
Weather in May
Newmarket experiences primarily mild and moist conditions in May. The town sees a significant jump in temperature—spring is definitely in the air with high temperatures around 62.2°F (16.8°C). This month also marks the end of the snowfall season, making way for increased rainfall. Weather in May »
Weather in June
June marks the arrival of summer in Newmarket. Basking under high temperatures of 70.2°F (21.2°C), the town sees an increase in relative humidity. While rainfall remains consistent, the snowless landscapes and the late sunsets offer perfect conditions for outdoor summer activities. Weather in June »
Weather in July
July is typically the hottest month in Newmarket, with the temperature rising to a high of 77.4°F (25.2°C). Despite the high heat, this period experiences a steady amount of rainfall, registering at 2.05" (52mm). July's heat combines with its high humidity to create a quintessential summer climate. Weather in July »
Weather in August
The weather in August is synonymous peak summer in Newmarket, nearly matching July's heat with an average high temperature of 76.8°F (24.9°C). This period sees a decrease in rainfall, resulting in drier conditions than the previous month. Weather in August »
Weather in September
September in Newmarket introduces early autumnal features. In terms of temperature, it moderates to a comfortable high of 69.6°F (20.9°C) from August. Precipitation takes a dip resulting in a crisper, drier climate—firmly setting the stage for the beautiful fall season. Weather in September »
Weather in October
October redefines Newmarket's weather landscape with the full arrival of fall. Temperatures dip further from September levels, averaging a high of 58.1°F (14.5°C). As rainfall increases to 2.87" (73mm), locals get ready to welcome the winter chill. Weather in October »
Weather in November
November sees a significant temperature drop in Newmarket, descending to an average high of 46.6°F (8.1°C). It marks the return of snowy conditions, though modest at 0.98" (25mm) of snowfall on average. As the town preps for winter, the typically clear and crisp weather allows for breathtaking views of the late autumn scenery. Newmarket observes a minor decrease in the average high-temperature with the arrival of November, falling from October's refreshing 58.1°F (14.5°C) to a chilly 46.6°F (8.1°C). Weather in November »
Weather in December
Newmarket's December weather rekindles the full-blown winter conditions. The bitter cold returns with a high temperature of 37°F (2.8°C) dropping down to 27.3°F (-2.6°C) at the lowest. Snowfall reaches its second-highest level for the year at 4.53" (115mm), painting a classic winter wonderland. Weather in December »
Updated: Jun 12, 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 part of the year is the coldest?
In Newmarket, January is the coldest month, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).
What are the most humid months?
The months with the highest humidity are January and February, with an average relative humidity of 80%.
How many days does it rain?
Throughout the year, in Newmarket, there are 144.8 rainfall days, and 27.24" (692mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow in Newmarket?
Throughout the year, there are 35.1 snowfall days, and 18.78" (477mm) 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 month with the least sunshine?
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Newmarket, 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 are the least humid months?
The months with the lowest humidity are April and November, with an average relative humidity of 75%.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What is the warmest month?
With average temperatures fluctuating between a high of 77.4°F (25.2°C) and a low of 61.5°F (16.4°C), July stands out as the warmest month.
When is the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What month has the most sunshine?
With an average of 10.6h of sunshine, August has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.46" (37mm) of precipitation.
What is the wettest month in Newmarket?
The months with the most rainfall are October and December, with an average 2.87" (73mm) of precipitation.
When does it snow the most?
The month with the most snowfall is December, when snow falls for 7.3 days and typically aggregates up to 4.53" (115mm) of snow.
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
Newmarket, NH
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Newmarket, NH
- Average pressure in January:
29.99"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"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"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 (29.92"Hg).
Average wind speed
Newmarket, NH
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.4mph - Average wind speed in March:
9.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.1mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Newmarket, NH
The months with the highest relative humidity are January and February (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall
Newmarket, NH
- Average rainfall in January:
2.05" - Average rainfall in February:
2.13" - Average rainfall in March:
2.36" - Average rainfall in April:
2.52" - Average rainfall in May:
2.01" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.97" - Average rainfall in September:
1.46" - Average rainfall in October:
2.87" - Average rainfall in November:
2.52" - Average rainfall in December:
2.87"
The wettest months (with the highest rainfall) are October and December (2.87").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days
Newmarket, NH
- Average rainfall days in January:
8 days - Average rainfall days in February:
7.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
15 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.6 days).
Average snowfall
Newmarket, NH
The month with the highest snowfall is December (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Newmarket, NH
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
1.6 days - Average snowfall days in May:
0 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:
2.3 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Newmarket, NH
- Average daylight in January:
9h and 2min - 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:
15h and 0min - 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 4min - 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 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Newmarket, NH
- Average sunshine days in January:
16 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (13.2 days).
Average UV index
Newmarket, NH
The months with the highest UV index are 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
Newmarket, NH
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Newmarket, NH
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).
Newmarket, New Hampshire, USA
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