Climate and monthly weather forecast
Pittsburg, NH

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The climate of Pittsburg

Sheltered in New Hampshire, Pittsburg wraps itself in a climate classified as the Köppen Dfb type, otherwise known as Humid Continental. This description sets the stage for a warm summer with no dry season, indicating a mix of weather conditions throughout the year. Spanning the range from warmth to cold, these fluctuations reveal a kaleidoscope of atmospheric conditions that shape the weather year-round.

Temperatures in Pittsburg trend on a predictable pattern, starting at a high between 21°F (-6.1°C) to 23.5°F (-4.7°C) in January and February and peaking from 74.5°F (23.6°C) to 72.3°F (22.4°C) during the mid-year months of July and August. Subsequently, the mercury dips gradually to winter lows of 7.3°F (-13.7°C) to 8.4°F (-13.1°C). Humidity levels, hovering from 77% to 91%, offer an almost constant companion throughout the year. This, in combination with the regular pressure fluctuation between 29.9 in to 30.06 in, shapes the climate umbrella under which Pittsburg resides.

A distinctive feature of Pittsburg is its abundance of rainfall. Precipitation showers the area on an almost equal basis throughout the year, rolling from 2.01in to 3.11in. This, combined with a fairly constant wind speed, alters between 5.5mph (8.9km/h) to 7.6mph (12.2km/h), stirring up dynamic weather patterns. Copious snowfall is expected during the colder months, peaking at 12.4in in January and ensuring a winter wonderland aesthetic.

The best time to visit Pittsburg

Upon analysing Pittsburg's climate conditions, the month of July stands out as potentially appealing for visitors. During this period, temperatures reach their zenith at a pleasant 74.5°F (23.6°C), while humidity maintains a relatively comfortable level at 80%. As an added bonus, this period also promises the most extended hours of daylight, stretching from 15.2 hours to 15.6 hours during peak summer months.

Sunshine is plentiful in July, delivering an estimated 9.4 hours per day in contrast with other months where the average sunshine is substantially lower. The UV Index often grazes level 5 during this time in the year, prompting beach goers and hikers to adopt recommended sun safety measures. Rain is less frequent, totalling to approximately 2.68in, providing tourists with ample opportunities to explore outdoors.

The worst time to visit Pittsburg

Avoid planning a trip to Pittsburg in January where the yearly low temperature of 21°F (-6.1°C) coincides with the highest count for snowfall days at 21. This month also welcomes a high average of snowfall at 12.4in, making outdoor activities a daunting, chilly venture. Visibility also dips to its lowest at 4mi (6.4km), adding further challenges to sightseeing efforts.

January has the least amount of daylight, merely 9.2 hours. Added to these inhospitable conditions, the level of sunshine declines to 2.1 hours a day. This reduced daylight, combined with the cloud cover, creates the ideal conditions for a cold and gloomy winter.

Spring weather in Pittsburg

Spring in Pittsburg signals a gradual warming of temperatures from 31.5°F (-0.3°C) to 61.3°F (16.3°C), marking the advent of thawing snow and the return of lush vegetation. However, this warming sees a rise in relative humidity creeping up to 80% by May. Rainfall volumes heighten during this time, swishing between 2.2in to 2.83in.

Daylight hours in the spring season extend from the initial 12 hours in March to an expansive 14.9 hours in May, suggesting longer days for outdoor activities and exploration. The sunshine peaks at 7.6 hours daily, and an UV index of 4 indicates a moderate risk of harm from unprotected sun exposure.

Summer weather in Pittsburg

Summer swings into action with a surge in temperatures reaching the 70s°F in July and August, creating an inviting ambience for tourism. Relative Humidity stands firm at a stable 80% over the season, with the mercury concomitantly registering a minimum of 47.5°F (8.6°C). Rainfall increases marginally to 3.11in in June before easing off to 2.64in in August.

Daylight hours remain the highest during this period, amplifying from approximately 15.6 hours down to 14 hours. Accompanied by roughly 9.4 hours of sunshine, summer can undoubtedly be enjoyed in its full glory in Pittsburg.

Autumn weather in Pittsburg

Autumn initiates a slide in temperatures, descending from 65.3°F (18.5°C) in September to a chillier 37.9°F (3.3°C) by November. The relative humidity, staying within 81% to 84%, hints at the moist conditions to be expected. Rainfall increases gradually over this period, rising from 2.64in in September, and culminating in 2.99in in October before easing to 2.24in.

The number of daylight hours contracts from 12.5 hours in September to 9.6 hours in November. Corresponding to this, the duration of sunshine declines to 3.7 hours by November with a drop in the UV index to 2.

Winter weather in Pittsburg

Winter in Pittsburg commences with cold temperatures diving from 37.9°F (3.3°C) in November to 26.6°F (-3°C) in December. In line with this, relative humidity rises to a high of 88% by December. Rainfall averages remain between 2.24in and 2.44in in these months, paving the way for snowfall that shoots from 7.24in in November to a peak of 10.16in in December.

Daylight dwindles to an average of 8.8 hours in December, while sunshine is clipped to a measly 2.6 hours a day, reflecting the stark winter landscape of Pittsburg.

Weather in January

As a typical winter month in Pittsburg, New Hampshire, January showcases a frosty landscape enveloped by thick blankets of snow. The arrival of significantly cooler temperatures in January, notably from 7.3°F (-13.7°C) to 21°F (-6.1°C), solidifies the region into a winter wonderland. Weather in January »

Weather in February

Weather in February experiences a slight shift as days become gradually longer and colder nights become slightly less harsh. While it sees similar snow accumulation as January, it typically has marginally more snowfall days, accruing 21.3 snow events in total. Weather in February »

Weather in March

Sprouting buds and melting snow indicate the arrival of spring in March. With temperatures now ranging from 17.1°F (-8.3°C) to 31.5°F (-0.3°C), the decrease in snowfall marks the transition from winter to spring. The majority of precipitation now appears as rain, though snow can still be expected on 18.4 days of March. Weather in March »

Weather in April

April comprises a significant transition from the dominating cold to more moderate temperatures. Snowfall lessens almost entirely with only 1.2 snow days on average, indicating the retreat of winter. Incidentally, rain takes its place with rainfall peaking to 2.83" (72mm) over the course of 14.7 rainy days, indicating the arrival of April showers. Weather in April »

Weather in May

May in Pittsburg blossoms into its full spring beauty, leaving the last residues of the cold season behind. The alteration in weather is verifiable by the peak in rainfall of 2.83" (72mm), which nurtures the vibrant greenery around the city. Weather in May »

Weather in June

June depicts the introduction of summer with temperature highs soaring up to 68.4°F (20.2°C). One of the defining characteristics of weather in June in Pittsburg is the longest duration of daylight at an average of 15.6 hours. The summer solstice usually occurs this month, leading to the longest day of the year. Weather in June »

Weather in July

The peak of summer arrives in July with the highest temperature reaching 74.5°F (23.6°C). As the hottest month in Pittsburg, it records the longest duration of sunshine, favoring sunbathers and outdoor enthusiasts. Seasonal rainfall ensures the greenery maintains its vibrancy despite intense sunlight. Weather in July »

Weather in August

The last breath of summer can be felt in August with temperature highs dropping slightly to 72.3°F (22.4°C). The shift in weather dynamics from July to August is barely noticeable yet perceptible in the diminishing daylight hours. Weather in August »

Weather in September

September heralds the arrival of fall, evident in the subtle changes of the city's foliage. The dip in high temperatures to 65.3°F (18.5°C) and shorter daylight hours mark the transition from summer to fall. Despite the drop, weather in September in Pittsburg remains significantly comfortable for outdoor activities. Weather in September »

Weather in October

By October, fall becomes prominent, casting a spectacular display of colors across the city. The weather in October experiences a further decrease in temperatures and shorter daylight hours. Completing this autumnal picture is Pittsburg's noticeable shift in humidity and wind speed. Weather in October »

Weather in November

The crispness in the air indicates the impending arrival of winter in November. Snowfall makes its return with 10.7 snow days adding a thin white blanket of 7.24" (184mm) across the city. Simply the sight of shorter daylight hours and an increase in cloud cover point toward the upcoming colder months. Weather in November »

Weather in December

December signifies the full-fledged arrival of winter, completely transforming Pittsburg into a snowy paradise. The temperature usually stays between 15.4°F (-9.2°C) and 26.6°F (-3°C), reinforcing the winter chill. The highest snowfall of 10.16" (258mm) engulfs the city, painting it white and inducing a festive vibe. Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Pittsburg?

In Pittsburg, January is known for its average lowest temperatures, reaching a high of 21°F (-6.1°C) and a low of 7.3°F (-13.7°C).

What are the most humid months in Pittsburg?

The months with the highest humidity are January and February, with an average relative humidity of 91%.

How many days does it rain in Pittsburg?

Throughout the year, there are 154.3 rainfall days, and 30.87" (784mm) of precipitation is accumulated.

When does it snow in Pittsburg?

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

What is the snowiest month in Pittsburg?

January is the month with the most snowfall in Pittsburg. Snow falls for 21 days and accumulates 12.4" (315mm) of snow.

How much does it snow in Pittsburg?

Throughout the year, there are 107.4 snowfall days, and 63.86" (1622mm) of snow is accumulated.

What are the months with the least sunshine in Pittsburg?

January and February, with an average of 2.1h of sunshine, are months with the least sunshine.

When is the lowest UV index in Pittsburg?

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month in Pittsburg?

The month with the least rainfall in Pittsburg, New Hampshire, is February, when the rain falls for 4.1 days and typically collects 2.01" (51mm) of precipitation.

When is Daylight Saving Time (DST) in Pittsburg?

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 in Pittsburg?

The least humid month is May, with an average relative humidity of 77%.

What is the wettest month in Pittsburg?

June is the month with the most rainfall. Rain falls for 19.1 days and accumulates 3.11" (79mm) of precipitation.

When it does not snow in Pittsburg?

June through September are months without snowfall.

When are the longest days in Pittsburg?

June has the longest days of the year, with an average of 15h and 36min of daylight.

What is the month with the highest UV index in Pittsburg?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What month is the hottest in Pittsburg?

Pittsburg's temperatures tend to reach their peak averages in July, with a high of 74.5°F (23.6°C) and a low of 53.4°F (11.9°C).

What month has the most sunshine in Pittsburg?

The month with the most sunshine in Pittsburg is July, with an average of 9.4h of sunshine.

What is the month with the shortest days in Pittsburg?

The month with the shortest days in Pittsburg is December, with an average of 8h and 48min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
Pittsburg, NH

Average temperature - Pittsburg, NH

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (21°F).

The month with the highest average low temperature is July (53.4°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

Average pressure
Pittsburg, NH

Average pressure - Pittsburg, NH

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Pittsburg, NH

Average wind speed - Pittsburg, NH

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
Pittsburg, NH

Average humidity - Pittsburg, NH

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).

Average rainfall
Pittsburg, NH

Average rainfall - Pittsburg, NH

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is February (2.01").

Average rainfall days
Pittsburg, NH

Average rainfall days - Pittsburg, NH

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (4.1 days).

Average snowfall
Pittsburg, NH

Average snowfall - Pittsburg, NH

The month with the highest snowfall is January (12.4").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Pittsburg, NH

Average snowfall days - Pittsburg, NH

The month with the highest number of snowfall days is February (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Pittsburg, NH

Average daylight / Average sunshine - Pittsburg, NH

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 6min).

Average sunshine days
Pittsburg, NH

Average sunshine days - Pittsburg, NH

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.2 days).

Average UV index
Pittsburg, NH

Average UV index - Pittsburg, NH

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).

Average cloud cover
Pittsburg, NH

Average cloud cover - Pittsburg, NH

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 43).

Average visibility
Pittsburg, NH

Average visibility - Pittsburg, NH

The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).

Pittsburg, New Hampshire, USA

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