Climate and monthly weather forecast
Concord, NH

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A rocky coast overlooking beach homes in Rye, Concord point, New Hampshire
A rocky coast overlooking beach homes in Rye, Concord point, New Hampshire

The climate of Concord

Concord, New Hampshire finds itself in the Humid Continental climate zone based on the Köppen climate classification. It's a sector known for their no dry season and warm summer. The geography of Concord, with its northeast location in the United States, creates a yearlong journey of interesting and varying weather conditions.

In terms of temperatures, a sharp contrast is observed throughout the year. The mercury tends to drop to as low as 15.4°F (-9.2°C) during the colder months and escalates up to 80.8°F (27.1°C) in the warmer months. Concord also experiences an average humidity level which ranges from 73 to 84%, providing a varying degree of humidity throughout the calendar year.

Interestingly, the city's rainfall isn't concentrated in any specific months, it rather ranges between 1.65" (42mm) to 3.03" (77mm), dispersed across all twelve months. This results in the term 'rainy season' being somewhat irrelevant. Also, the city experiences sunshine hour variations from 4.4 hours to 10.3 hours daily, depending on the months.

Winter months in Concord carry a particular uniqueness as they don the city in a blanket of white. From December to February, Concord receives snowfall that ranges from 6.14" (156mm) to 7.36" (187mm), making it a winter wonderland for its residents.

The Best Time to Visit Concord

Planning a visit to Concord largely depends on the individual preference for temperatures and weather conditions. However, considering broad visitor preferences for comfortable temperatures and the propensity to engage in outdoor recreational activities, the period from June to September could be considered the best time. During these months, the temperatures hover around a high of 74.1°F (23.4°C) to 80.8°F (27.1°C) and a low of 52.9°F (11.6°C) to 59.5°F (15.3°C). Also, the relative humidity drops slightly to around 76% compared to other months. There is an average of 14.7 to 15.3 hours of daylight, making it a great time for sightseeing.

The Worst Time to Visit Concord

On the other hand, from December to February, the temperatures drop drastically, with average lows reaching 15.4°F (-9.2°C) to 23.4°F (-4.8°C) making it very cold. These months also present the highest likelihood of snowfall with an average ranging from 6.14" (156mm) to 7.36" (187mm), potentially causing hindrances to travel and outdoor activities. Hence, these months can be considered to be less ideal for visiting Concord.

Spring Weather in Concord

Starting from March till May, Concord experiences a sizeable transition in temperatures. The monthly average high temperature rises from 39.7°F (4.3°C) in March to 66°F (18.9°C) by May, and low temperatures increase from 24.3°F (-4.3°C) to 46°F (7.8°C). This period also brings a moderate amount of rainfall, averaging from 2.24" (57mm) to 2.09" (53mm), creating a beautiful spring scenery and making it a pleasurable season to visit.

Summer Weather in Concord

The summer period, from June through August, is characterized by warm temperatures. The average highs range between 74.1°F (23.4°C) and 80.8°F (27.1°C), while the lows vary from 52.9°F (11.6°C) and 59.5°F (15.3°C). These months receive average rainfall amounts of 2.09" (53mm) to 2.36" (60mm), providing a cooling effect on hot summer days.

Autumn Weather in Concord

Autumn, from September to November, sees temperatures dropping moderately from highs of 71.4°F (21.9°C) in September to 45.5°F (7.5°C) in November. Moreover, the low temperatures also decrease from 52°F (11.1°C) to 31.8°F (-0.1°C). As for the rain, it stays consistent during autumn and fluctuates between 1.65" (42mm) to 3.03" (77mm) offering a mesmerizing autumn hues show across the city.

Winter Weather in Concord

Winter, witnessed from December through February, brings much colder weather. The high temperatures drastically drop from 66°F (18.9°C) in November to 28.4°F (-2°C) in December, and even further to 15.4°F (-9.2°C) in January and February. The snowfall showcases its majesty during these months, taking hold of the city with an average between 6.14" (156mm) and 7.36" (187mm). This period presents a mesmerizing white canvas making Concord picturesque, although quite cold.

Weather in January

The start to the calendar year in Concord, New Hampshire presents a classic winter scene with snow and biting chills. Winter enthusiast will enjoy average snowfall at 7.09" (180mm). There is a noticeable drop in temperatures from daytime highs to night-time lows, a vestige of the season's fierceness. Weather in January »

Weather in February

Following a cold January, February transitions the city into a slightly more manageable period of the winter season. The cold spell persists but less snowfall from 7.09" (180mm) in January to 7.36" (187mm) in February could offer some respite. Weather in February »

Weather in March

March brings about a notable change in Concord's weather pattern, signaling the onset of spring. The transformation shows as snowfall significantly reduces from February's 7.36" (187mm) to 4.61" (117mm). The increased sunlight as compared to the previous month sets the stage for the revival of flora. Weather in March »

Weather in April

April is a transformative period in Concord, as the city shakes off the winter's chill, welcoming the vibrancy of spring. A noticeable shift of weather parameters occur, with snowfall sliding down to a mere 1.65" (42mm) from March's 4.61" (117mm). Weather in April »

Weather in May

As spring fully unfolds in Concord during May, the city starts its transition into the warm season. May's character is partially defined by traces of snowfall dipping to 0.16" (4mm) from April's 1.65" (42mm). Wildlife becomes more active during this time, adapting to the increasing temperatures. Weather in May »

Weather in June

The onset of summer is signaled with June's clear skies and warm temperatures in Concord. The city's weather becomes devoid of snowfall, a move away from May's 0.16" (4mm), marking the beginning of pleasant outdoor conditions. Cloud cover fluctuates and the sunniest days of the year start arriving, introducing an ideal time for hiking and exploring. Weather in June »

Weather in July

City of Concord truly experiences summer in July, with temperatures high and rainfall paying sporadic visits. July stands out with the highest temperature of 80.8°F (27.1°C), rising from June's 74.1°F (23.4°C). The city frequently experiences clear skies offering beautiful views of the summer stars. Weather in July »

Weather in August

Maintaining the summer vibes, August brings warm temperatures but slightly lower than July's high of 80.8°F (27.1°C). The city's weather creates conditions that favor outdoor activities and picnics. August's prevalent warm weather is accompanied by persistent sunny days and clear skies, resulting in higher UV indices. Weather in August »

Weather in September

September ushers in autumn that heralds the end of the warm season in Concord. A notable decrease in average temperature from August's 78.8°F (26°C) symbolizes the incoming fall. September decoration includes changing foliage, with fallen leaves creating a colorful carpet along the city's byways. Weather in September »

Weather in October

The chill of autumn firmly sets in during October in Concord, with the city's inhabitants noticing a steeper drop in temperatures. Dramatic wet weather characterizes the month with the highest rainfall increase from 1.65" (42mm) in September to 3.03" (77mm) in October. Weather in October »

Weather in November

As winter descends on New Hampshire, November witnesses temperatures continue to take a nosedive from October's 58.1°F (14.5°C). In a definitive signal of the shifting season, snow makes a reappearance with recorded snowfall of 1.57" (40mm). Weather in November »

Weather in December

December in Concord, New Hampshire marks the full onset of winter, with snowfall of 6.14" (156mm) from November's 1.57" (40mm) defining the season's arrival. As the close of the year approaches, city dwellers brace for the coldest temperatures. Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In Concord, January records the average lowest temperatures, peaking at 28.4°F (-2°C) and reaching a low of 15.4°F (-9.2°C).

How many days does it rain?

Throughout the year, there are 139.1 rainfall days, and 27.72" (704mm) of precipitation is accumulated.

When does it snow in Concord?

Months with snowfall are January through May, October through December.

How many days does it snow?

Throughout the year, there are 44.5 snowfall days, and 28.94" (735mm) of snow is accumulated.

When is the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month?

With an average relative humidity of 84%, February is the most humid month.

What is the snowiest month in Concord?

February is the month with the most snowfall. Snow falls for 10.2 days and accumulates 7.36" (187mm) of snow.

What is the month with the least sunshine?

With an average of 4.4h of sunshine, February has the least sunshine of the year.

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?

With an average relative humidity of 73%, April is the least humid month.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 18min of daylight, June has the longest days of the year.

What time of the year is the hottest?

July is the month when Concord experiences its warmest temperatures, averaging a high of 80.8°F (27.1°C) and a low of 59.5°F (15.3°C).

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?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 1.65" (42mm) of precipitation.

What is the rainiest month?

October is the month with the most rainfall. Rain falls for 13 days and accumulates 3.03" (77mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Concord, NH

Average temperature - Concord, NH

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.4°F).

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure
Concord, NH

Average pressure - Concord, NH

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
Concord, NH

Average wind speed - Concord, NH

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity
Concord, NH

Average humidity - Concord, NH

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).

Average rainfall
Concord, NH

Average rainfall - Concord, NH

The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days
Concord, NH

Average rainfall days - Concord, NH

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.5 days).

Average snowfall
Concord, NH

Average snowfall - Concord, NH

The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Concord, NH

Average snowfall days - Concord, NH

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Concord, NH

Average daylight / Average sunshine - Concord, NH

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 0min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days
Concord, NH

Average sunshine days - Concord, NH

The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is April (13.6 days).

Average UV index
Concord, NH

Average UV index - Concord, 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, October, November and December (UV index 2).

Average visibility
Concord, NH

Average visibility - Concord, NH

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Concord, New Hampshire, USA

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