Climate and monthly weather forecast
Hollis, NH

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The climate of Hollis

Hollis, situated in New Hampshire, USA, boasts a Humid Continental climate as articulated by the Köppen climate classification. This denotes no dry season, with a warm summer prevailing. This climate type, categorized as Dfb, significantly influences the weather pattern.

Throughout the year, temperatures demonstrate a wide range, moving from an average high of 82°F (27.8°C) in summer to a minimum of 18°F (-7.8°C) in winter. Humidity remains relative, fluctuating slightly, hovering mostly in the 71% to 82% band. Precipitation showcases a fairly uniform dispersion throughout the year, although there are notable peaks in June and November, hitting 0.71" (18mm) and 0.79" (20mm), respectively.

Snowfall is common in Hollis, peaking in January and December with an average 1.26" (32mm). Yet, it falls significantly towards the end of spring, with virtually no snow detected from May to September. The number of daylight hours rises from 9.5 hours in January, reaching 15.3 hours by June, before gradually descending to 9.1 hours in December. Sunshine availability echoes this pattern, with the most sunny hours experienced in July and August, reaching up to 10.4 hours.

Wind speeds are relatively placid, ranging from 5.2mph (8.4km/h) in July to 8.1mph (13km/h) in January. Cloud cover typically stays bounded between 34% and 50%, with slightly clearer skies around summer. Hollis's atmospheric pressure is relatively stable, hovering around the 30.01" (762mm) mark most of the year.

The best time to visit Hollis

Evaluating climate data shows optimal conditions for a visit to Hollis would be between June to August. During these months, it features the most daylight hours and the fewest days with rain. Temperatures rise to highs of 75°F (23.9°C) to 82°F (27.8°C). Dipped in sunlight for almost half the day, tourists can enjoy lengthy days filled with activities. The cloud cover also decreases, granting clear skies, especially important for those planning to engage in outdoor recreation or sightseeing.

The worst time to visit Hollis

Based on the climate data, the less appealing period to visit Hollis would be from December to February. Winter in the area presents a severe drop in temperature, declining to lows between 18°F (-7.8°C) to 27°F (-2.8°C) during these months. Coupled with this, daylight and sunshine hours mark a significant fall, affording limited time to explore outside. The dip in temperatures also means an increased likelihood of snowfall, which while it may promise a picturesque white landscape, can cause restrictions on travel and outdoor activities.

Spring weather in Hollis

Spring weather in Hollis emerges between March and May. Average high temperatures steadily climb from 41.5°F (5.3°C) in March to 67.3°F (19.6°C) in May. Low temperatures similarly rise from 27°F (-2.8°C) to 47.5°F (8.6°C). Rainfall is reasonably distributed, with 0.59" (15mm) in March to 0.63" (16mm) in April and May. This season marks the onset of longer solar hours, extending daylight from 12 hours in March to 14.6 hours in May, and increasing sunshine exposure from 5.8 hours to 8.5 hours.

Summer weather in Hollis

Summer in Hollis extends from June through August, with temperature highs soaring to 82°F (27.8°C) and rarely falling below 54.7°F (12.6°C). A minor increase in rainfall is recorded, with June and August observing up to 0.71" (18mm). Sunshine hours linger around the day's midpoint with 15.3 hours in June and a slight drop to 13.9 hours in August. UV index peaks to 6 during this period necessitating necessary sun protection when venturing outdoors.

Autumn weather in Hollis

Autumn weather in Hollis makes its entry between September to November. High temperatures recede from a comfortable 72.5°F (22.5°C) in September to a cooler 47.3°F (8.5°C) by November. Simultaneously, low temperatures see a steady decrease from 53.8°F (12.1°C) to 34°F (1.1°C). November registers the highest rainfall of the year at 0.79" (20mm). Daylight hours diminish significantly, retreating from 11.8 hours in September to just under 10 hours in November.

Winter weather in Hollis

Winter in Hollis is from December through February with average high temperatures plummeting to between 30.9°F (-0.6°C) and 36.5°F (2.5°C) during these months. Corresponding lows range from 18°F (-7.8°C) to 25.7°F (-3.5°C). Snowfall is most extensive during this period with an average of 1.1" (28mm) in December and 1.26" (32mm) in January. Daylight hours are at their shortest with December having only 9.1 hours. Furthermore, the sunshine hours shrink to a year low of just 4.9 hours in December.

Weather in January

January in Hollis, New Hampshire is characterized by the chilly winter season. A decidedly snowy period, the town experiences an average snowfall of 1.1" (28mm) over approximately 6.5 days. With shorter daylight hours and relatively limited sunshine, residents can expect heavier reliance on indoor heating systems. Weather in January »

Weather in February

Moving into February, Hollis experiences slight variations in weather conditions. The temperature marginally increases from the previous month, but snowfall persists with an average of 1.26" (32mm). Again, indoor heating remains essential with colder temperatures dominating. Weather in February »

Weather in March

March marks the transition from winter to spring in Hollis, New Hampshire. As temperatures start to rise, the snow gradually retreats and is replaced by rainfall measuring 0.59" (15mm) on an average. Interludes of sun peek through the clouds, lifting temperatures slightly as the town shakes off the hold of winter. Weather in March »

Weather in April

April brings more noticeable changes as spring takes hold in Hollis, New Hampshire, with temperatures rising significantly to a high of 55.2°F (12.9°C). Brighter, longer days mark the start of outdoor activities while the flora begins to bloom. Weather in April »

Weather in May

May introduces warmer weather, indicating the onset of the summer season in Hollis, New Hampshire. As May progresses, temperatures continue rising towards a high of 67.3°F (19.6°C). Encouraged by the amicable weather, residents flock to public spaces to enjoy the invigorating atmosphere. Weather in May »

Weather in June

June brings the longest days of the year, making it an excellent time to bask in outdoor activities in Hollis, New Hampshire. The town sees 15.3 hours of daylight, creating ample opportunities for late-evening activities. Summer in Hollis is vibrant as the weather favors the growth of local fauna and flora. Weather in June »

Weather in July

July marks the onset of peak summer in Hollis, New Hampshire, and is considered the hottest month with temperatures reaching up to 82°F (27.8°C) on an average. People flock to pools and lakes to beat the heat and enjoy the warm summer days. Weather in July »

Weather in August

August generally experiences a mild dip in temperature from July, making the weather a bit cooler in Hollis, New Hampshire. Summer activities continue in full swing as sunshine and daylight hours are still plentiful. The town experiences minimal variability in weather conditions from July, making these two months quite similar in character. Weather in August »

Weather in September

September brings the advent of autumn in Hollis, New Hampshire. The drop in temperatures is accompanied by an average rainfall of 0.28" (7mm), the lowest in the year, marking the onset of drier months. The changing colors of leaves make the town visually stunning, adding a unique charm to the weather. Weather in September »

Weather in October

In October, Hollis begins preparing for the colder months ahead, with temperatures dropping even further. Outdoor activities gradually begin taking a back seat as people start spending more time indoors. Mild rainfall persists, aiding the transition from fall to winter. Weather in October »

Weather in November

November signifies the beginning of winter in Hollis, New Hampshire with temperatures decreasing notably to a high of 47.3°F (8.5°C). Although the days are becoming shorter, the town enjoys clear skies and longer daylight hours due to a decrease in cloud cover. Weather in November »

Weather in December

December is a time of significant change in Hollis, New Hampshire, as it fully transitions into winter. The town experiences the heaviest snowfall of the year, measuring 1.26" (32mm), presenting a white wonderland. Christmas festivities take over the town, bringing warmth and cheer despite the colder temperatures. Weather in December »
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Frequently asked questions

What are the coldest months in Hollis?

January, on average, is the coldest month in Hollis, registering a high temperature of 30.9°F (-0.6°C) and a low of 18°F (-7.8°C).

How much does it rain in Hollis?

Throughout the year, in Hollis, there are 91.2 rainfall days, and 7.24" (184mm) of precipitation is accumulated.

When does it snow in Hollis?

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

How much does it snow in Hollis?

In Hollis, New Hampshire, during the entire year, snow falls for 25 days and aggregates up to 5.91" (150mm) of snow.

When is the lowest UV index in Hollis?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the most humid month in Hollis?

February is the most humid month, with an average relative humidity of 82%.

When does it snow the most in Hollis?

The months with the most snowfall are February and December, with an average 1.26" (32mm) of accumulated snow.

What is the month with the least sunshine in Hollis?

February has the least sunshine of the year in Hollis, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Hollis?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hollis, 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 in Hollis?

April is the least humid month, with an average relative humidity of 71%.

When it does not snow in Hollis?

June through September are months without snowfall in Hollis.

When are the longest days in Hollis?

The month with the longest days in Hollis, New Hampshire, is June, with an average of 15h and 18min of daylight.

What are the months with the highest UV index in Hollis?

The months with the highest UV index in Hollis are June through August, with an average maximum UV index of 6.

What month is the hottest in Hollis?

The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 61.5°F (16.4°C).

What month has the most sunshine in Hollis?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

What is the driest month in Hollis?

September is the month with the least rainfall. Rain falls for 7 days and accumulates 0.28" (7mm) of precipitation.

What is the rainiest month in Hollis?

November is the month with the most rainfall in Hollis. Rain falls for 5.7 days and accumulates 0.79" (20mm) of precipitation.

What is the month with the shortest days in Hollis?

December has the shortest days of the year in Hollis, New Hampshire, with an average of 9h and 6min of daylight.

Average pressure
Hollis, NH

Average pressure - Hollis, 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).

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Average wind speed
Hollis, NH

Average wind speed - Hollis, NH

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average rainfall
Hollis, NH

Average rainfall - Hollis, NH

The wettest month (with the highest rainfall) is November (0.79").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days
Hollis, NH

Average rainfall days - Hollis, NH

The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is January (3.5 days).

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Average snowfall
Hollis, NH

Average snowfall - Hollis, NH

The months with the highest snowfall are February and December (1.26").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Hollis, NH

Average snowfall days - Hollis, NH

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Hollis, NH

Average daylight / Average sunshine - Hollis, 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 6min).

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Hollis, NH

Average sunshine days - Hollis, NH

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index
Hollis, NH

Average UV index - Hollis, NH

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, November and December (UV index 2).

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Average visibility
Hollis, NH

Average visibility - Hollis, NH

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).

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Hollis, New Hampshire, USA

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