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Contents
- The climate of Jackson
- The best time to visit Jackson
- The worst time to visit Jackson
- Spring weather in Jackson
- Summer weather in Jackson
- Autumn weather in Jackson
- Winter weather in Jackson
- 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 Jackson
The overall climate of Jackson, New Hampshire follows typical patterns of the Köppen Dfb classification, which is characterized as a humid continental climate. This type of climate often experiences no dry season, paired with a warm summer. Located in the northern parts of the United States, Jackson encounters a diverse range of weather throughout the year.
The temperature range goes considerably; it affects between 10.8°F (-11.8°C), usually occurring in January, up to 76.3°F (24.6°C) in July. The peak of humidity hovers around 87% in the winter months of January and February, but with declines noticeably to 77% in May. This relative humidity contributes significantly to the overall sensation of heat or cold.
Precipitation over the course of the year is varied. The months with minimal rainfall are typically around December and January with measurements around 0.91" (23mm) and 0.87" (22mm) respectively. This increases to up to 1.46" (37mm) during the wettest months of April and October.
Months of significant snowfall are also apparent in the year, which is a determining factor of the city's Dfb climate classification. January and February amass 3.74" (95mm) and 4.53" (115mm) of snow respectively, and this decreases as the year progresses, with no snowfall from June to September.
The temperature range goes considerably; it affects between 10.8°F (-11.8°C), usually occurring in January, up to 76.3°F (24.6°C) in July. The peak of humidity hovers around 87% in the winter months of January and February, but with declines noticeably to 77% in May. This relative humidity contributes significantly to the overall sensation of heat or cold.
Precipitation over the course of the year is varied. The months with minimal rainfall are typically around December and January with measurements around 0.91" (23mm) and 0.87" (22mm) respectively. This increases to up to 1.46" (37mm) during the wettest months of April and October.
Months of significant snowfall are also apparent in the year, which is a determining factor of the city's Dfb climate classification. January and February amass 3.74" (95mm) and 4.53" (115mm) of snow respectively, and this decreases as the year progresses, with no snowfall from June to September.
The best time to visit Jackson
With the arrival of summer, marked by higher temperatures reaching 76.3°F (24.6°C) in July and longer days seeing 15.5 hours of daylight in June, Jackson’s outdoors become incredibly inviting. This period witnesses stable barometric pressure hovering around 29.93" (760mm) in July and has the limiting wind speeds averaging 4.6mph (7.4km/h), making it an ideal time for outdoor activities.
The worst time to visit Jackson
On the other hand, winters in Jackson could prove harsh to some. From December to February, frigid temperatures as low as 10.8°F (-11.8°C) to 11.8°F (-11.2°C) becomes common with significant snowfall averaging between 3.74" (95mm) to 4.53" (115mm). The daylight hours are also limited to approximately nine by December, suggesting a waning amount of time to enjoy the outside surroundings, making it a less attractive time to visit the city.
Spring weather in Jackson
The spring season in Jackson brings a noticeable change in the overall weather patterns. From March to May, the average temperature rises from 34.3°F (1.3°C) to 62.2°F (16.8°C). The occurrence of snowfall lessens, culminating to only 0.2" (5mm) in May. Daylight also increases from 12 hours in March to 14.8 hours in May, accompanied by longer sunshine hours and a reduced cloud percentage to 50%.
Summer weather in Jackson
Summers in Jackson present a warm and comfortable climate. From June to August, the average daytime temperature remains between 69.6°F (20.9°C) to 76.3°F (24.6°C), with nighttime temperatures not dipping below 48.9°F (9.4°C). The increased sunlight, registering between 8.8 hours to 10.1 hours, promotes longer and more eventful days. The rainfall encounters a slight increase, averaging around 0.79" (20mm) to 1.06" (27mm).
Autumn weather in Jackson
Autumn witnesses a dip in temperatures from 67.6°F (19.8°C) in September to 40.8°F (4.9°C) in November. However, the period still maintains reasonable sunlight hours around 8.6 to 5.2 and adequate barometric pressures between 30.05" (763mm) to 30.06" (764mm). Rainfall becomes significant during this season, with October experiencing the highest average at 1.46" (37mm).
Winter weather in Jackson
Winters in Jackson extend from December to February with temperatures plunging to an average low of 10.8°F (-11.8°C) in January. The days become significantly shorter, with daylight hours reducing to 8.9 hours by December. Snowfall becomes prevalent, with an average of 3.74" (95mm) falling in December. High wind speeds also add to the winter’s cold bite, reaching up to 7mph (11.3km/h) to 7.5mph (12.1km/h). Despite the harshness of the season, the city’s winter landscape offers a unique charm.
Weather in January
January sees the weather in Jackson, New Hampshire attaining its coldest states. Average temperatures hardly surpass 24.3°F (-4.3°C) with a chilly low of 10.8°F (-11.8°C). The city experiences a dense cloud cover of 52% and a high relative humidity of 87%, ensuring a commonly misty landscape. Weather in January »
Weather in February
February’s weather, similar to January, remains cold. However, a slight increase in temperatures is recorded, with the highest being 26.4°F (-3.1°C) and the lowest, 11.8°F (-11.2°C). As is typical of Jackson’s winter season, snowfall continues to be abundant, making this the premium ski season. Weather in February »
Weather in March
March ushers in a significant change in Jackson's weather, with temperatures rising to an average high of 34.3°F (1.3°C). There are still snowfall occurrences, but these decrease from the previous month, signaling the impending spring season. Weather in March »
Weather in April
April sees a significant transformation in weather with temperatures ascending to a high of 47.8°F (8.8°C). A sharp decline of snowfall to 2.68" (68mm) indicates the end of the ski season. The amount of rainfall starts to pick up from this month, with 1.46" (37mm) being the average. Weather in April »
Weather in May
May marks the onset of warmth in Jackson, as temperatures reach an average high of 62.2°F (16.8°C). The days lengthen further while the UV index doubles from the previous month to 4. May's weather indicates the start of the comfortable period for hikers and climbers who thrive in warmer temperatures. Weather in May »
Weather in June
June in Jackson, New Hampshire, welcomes the summer season as temperatures attain an average high of 69.6°F (20.9°C). Humidity levels become more bearable while daylight hours peak at around 15.5 hours. This period is characterized by increased sunshine hours and a relatively low cloud cover. Weather in June »
Weather in July
July is the zenith of summer in Jackson, showcasing the highest temperatures, peaking at 76.3°F (24.6°C). Sunlight reigns supreme, boasting the highest UV index of the year at 5. Routinely, there are more days of sunshine, hitting a high of 18.6 days, and the high cloud pressure also contributes to summer's ardent sunshine. Weather in July »
Weather in August
August maintains the summer’s momentum, with high temperatures only marginally lower than July’s, dipping to 74.8°F (23.8°C). While there is an increase in rainfall to 0.83" (21mm), the weather predominantly remains sunny with more than 10 hours of sunshine daily. Weather in August »
Weather in September
September marks the advent of fall in Jackson, with temperatures taking a plunge, the average high being 67.6°F (19.8°C). A drastic decrease in rainfall is observed, coming down to a yearly low of 0.39" (10mm). This month exhibits a shift back to more wind, averaging around 4.5mph (7.2km/h). Weather in September »
Weather in October
October brings in the full effect of autumn. Temperatures drop to more moderate levels with an average high of 54°F (12.2°C). The reduced temperatures, coupled with the slightly higher rainfall, make for a refreshing change in Jackson. Weather in October »
Weather in November
November’s weather ushers in the onset of colder temperatures with an average high dropping to 40.8°F (4.9°C). This month observes an increase in snowfall, though far less than the heavier winter months. Daylight hours descend to 9.6 hours, but clear visibility still permits a good view of the city's scenic outdoors. Weather in November »
Weather in December
December rounds off the year with an actual winter feel as temperatures plummet to an average high of 29.3°F (-1.5°C). Snowfall peaks at 2.76" (70mm), paving the way for the upcoming trek and ski season. Despite the chill, the festive mood during December contributes a unique charm that overrides the weather impediments, truly manifesting as a winter wonderland place. The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cold 40.8°F (4.9°C) in November to a freezing cold 29.3°F (-1.5°C). Weather in December »
Updated: Aug 16, 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 are the coldest months?
January, noted for its average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 10.8°F (-11.8°C), is considered the coldest month.
What are the most humid months?
January and February, with an average relative humidity of 87%, are most humid months.
How much does it rain?
Throughout the year, there are 90.5 rainfall days, and 11.61" (295mm) 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 Jackson, during the entire year, snow falls for 41.7 days and aggregates up to 19.96" (507mm) of snow.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 8.4 days and accumulates 4.53" (115mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.2h of sunshine.
What are the months with the lowest UV index?
February and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 wettest month?
The months with the most rainfall are April and October, with an average 1.46" (37mm) of precipitation.
What is the least humid month in Jackson?
The least humid month in Jackson is May, with an average relative humidity of 77%.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year in Jackson, with an average of 15h and 24min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What month is the hottest?
With average high and low temperatures of 76.3°F (24.6°C) and 55.4°F (13°C) respectively, July is Jackson's warmest month.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the driest month?
September is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.39" (10mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 54min of daylight.
Average temperature
Jackson, NH
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Jackson, NH
- Average pressure in January:
30"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"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 (29.91"Hg).
Average wind speed
Jackson, NH
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6mph - Average wind speed in May:
5.4mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.5mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Jackson, NH
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Jackson, NH
- Average rainfall in January:
0.91" - Average rainfall in February:
0.87" - Average rainfall in March:
0.83" - Average rainfall in April:
1.46" - Average rainfall in May:
0.79" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.83" - Average rainfall in September:
0.39" - Average rainfall in October:
1.46" - Average rainfall in November:
1.22" - Average rainfall in December:
1.02"
The wettest months (with the highest rainfall) are April and October (1.46").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days
Jackson, NH
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
7 days - Average rainfall days in April:
9 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
9.7 days - Average rainfall days in September:
6.6 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
5.8 days
The months with the highest number of rainy days are May and July (10.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Jackson, NH
- Average snowfall in January:
3.74" - Average snowfall in February:
4.53" - Average snowfall in March:
3.15" - Average snowfall in April:
2.68" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jackson, NH
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
7.9 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.4 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:
0.7 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
8.3 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jackson, NH
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - 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:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Jackson, NH
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
19.8 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
18.2 days
- Average sunshine days in July:
18.6 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (18.2 days).
Average UV index
Jackson, NH
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Jackson, NH
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Jackson, NH
The months with the highest visibility are April, May, June, July, August, November and December (5mi).
The months with the lowest visibility are January, February, March, September and October (4mi).
Jackson, New Hampshire, USA
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