Climate and monthly weather forecastErrol, NH
Climate and monthly weather forecast
The climate of Errol
Errol, New Hampshire falls under the Dfb category according to the Köppen climate classification, denoting a predominantly Humid Continental climate with no dry season and a warm summer. Nestled in the northern reaches of the United States, the town experiences an intriguing blend of seasonally dictated weather conditions.Over the course of the year, temperatures in Errol oscillate expansively. Mercury levels reach their zenith in July, where averages peak at a balmy 74.1°F (23.4°C) while during the colder months, they plunge to a chilly 8.1°F (-13.3°C) in January. This temperature variation underscores Errol's experience of all four distinct seasons: spring, summer, autumn, and winter.
Rainfall in Errol remains somewhat consistent throughout the year, ranging from a low of 2.17" (55mm) in February to a high of 3.15" (80mm) in October with an average of 15.4 rainy days. Moreover, the relative humidity also exhibits minor fluctuations, hovering around the 79% to 90% range across the twelve months.
Snow is a prominent feature of Errol's weather scene, more heavily in the winter months, gaining momentum from November and hitting a high of 12.24" (311mm) in January. Its prevalence can be felt till April, after which the snow gives way to sunny skies.
The best time to visit Errol
The most favorable time to visit Errol would be between the months of May to September. The overall climate in these months is more mellow with temperatures ranging from pleasant 60.4°F (15.8°C) to a mild 74.1°F (23.4°C). Combined with the minimal rainfall and an abundant number of sunshine days, these meteorological conditions provide an ideal setting for outdoor pursuits and sightseeing.The worst time to visit Errol
Travel plans to Errol may warrant reconsideration between December to February. These are the coldest months, with temperatures often plummeting to around 8.1°F (-13.3°C) in January and a frigid 16°F (-8.9°C) in December. In addition, frequent snowfall during these winter months could pose a challenge to mobility.Spring weather in Errol
Spring unfolds in Errol from March to May. Temperatures during this season rise steadily from a comfortable 31.5°F (-0.3°C) to a warm 60.4°F (15.8°C). Rainfall throughout this season is relatively high, peaking at 2.87" (73mm) in April, paired with 17.8 rainy days, making it the wettest month of this season.Summer weather in Errol
Summer in Errol spans from June to August. The atmosphere during this period is marked by increasingly warm temperatures, reaching up to 74.1°F (23.4°C) in July. Rainfall hovers around 2.91" (74mm) in June, gradually diminishing to 2.2" (56mm) by August.Autumn weather in Errol
Autumn in Errol commences in September and concludes in November. During this time, temperatures dip gradually from a rather warm 65.1°F (18.4°C) to a more moderate 37.4°F (3°C). Rainfall escalates during this season, touching its annual high of 3.15" (80mm) in October.Winter weather in Errol
Winter engulfs Errol in the months of December through February. These chilly months see temperatures dipping to as low as 8.1°F (-13.3°C) in January. Snowfall marks its presence emphatically during this season, reaching its peak at 12.24" (311mm) in January. Despite the cold and snow, this period affords breathtaking winter landscapes and invites winter sports enthusiasts to the town.Weather in January
Brace for the coldest phase of the year in Errol, New Hampshire. January is predominantly snowy, with lowest average temperatures reaching a frigid 8.1°F (-13.3°C), and soaring to a high of 21.2°F (-6°C) only. It is not recommended to venture outdoors without warm clothing Given the lower UV index, residents and visitors can expect little direct sunlight. Weather in January »Weather in February
With February, the chill start to lift, albeit at a leisurely pace. Witness a slight increase in the average daily temperature, though snowfall continues to be the prime characteristic of Errol. The lengthening daylight hours mark the slow advance of spring. Weather in February »Weather in March
The change of season in Errol is marked by a definite rise in temperature. Days in March see an average high of 31.5°F (-0.3°C) and a low of 17.8°F (-7.9°C). Notably, snowfall decreases during this month, hinting towards the approaching spring. Weather in March »Weather in April
April in Errol, New Hampshire, is a period of notable transition as spring begins to show its influence. In April, snowfall usually declines to a measly 0.67" (17mm), a significant drop from the previous month's snowfall. The environment shifts gradually towards more sunshine and daylight. Weather in April »Weather in May
Entering May, the residents of Errol enjoys the full bloom of spring. The last traces of winter snow vanish, making way for clearer skies and a brightly lit city. Coupled with increased sunshine hours, the landscape is stunningly picturesque. Weather in May »Weather in June
June in Errol brings the warmth of summer, with a slight chance of cooling rain showers. With a peak recorded temperature of 67.6°F (19.8°C), it is the start of the warmer and longer days. One will observe longer durations of sunshine coupled with a high UV index. Weather in June »Weather in July
July is the hottest month for Errol, ensuring an ideally warm summer. The average high temperature in July extends to a toasty 74.1°F (23.4°C). The period also witnesses moderate breeze, making the summer more comfortable. Amidst the overall dry spell, rainfall does occur, proving a respite from the heat. Weather in July »Weather in August
As August rolls in, Errol keeps its hot summer vibe, although there is a slight dip in the warmth. The daylight hours begin to decrease, reminding one of the approaching end of summer. Although the heat reduces subtly, warm winds keep the air comfortable. Weather in August »Weather in September
The onset of autumn in September brings noticeable changes to Errol’s weather. The average high temperature lowers to 65.1°F (18.4°C), giving a clear sign of the changing season. With zero snowfall still, the city retains its inviting demeanor. Weather in September »Weather in October
Despite the drop in temperatures, October in Errol remains free from snowfall. However, the quickest drop in temperatures manifests during October. The length of the day decreases noticeably, and daylight-saving changes come into effect. Weather in October »Weather in November
November in Errol, New Hampshire ushers in the early phase of winter. A substantial decrease in temperatures marks this, with an average high of 37.4°F (3°C) and a low of 25.9°F (-3.4°C). The month also witnesses a sharp rise in snowfall, reaching an average of 7.95" (202mm). Weather in November »Weather in December
Wrapping up the year, December in Errol arrives with its signature winter chill. The city experiences its maximum snowfall of 10.63" (270mm) in this month. Enjoy the white blanket of snow adorning the cityscape. Fall in daylight and sunshine hours contributes to the general cold spell. Weather in December »Updated: Aug 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
January is the month when Errol sees the average lowest temperatures, with a high of 21.2°F (-6°C) and a low of 8.1°F (-13.3°C).
The months with the highest humidity are January and February, with an average relative humidity of 90%.
In Errol, New Hampshire, during the entire year, the rain falls for 163.8 days and collects up to 29.69" (754mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 115.1 snowfall days, and 67.48" (1714mm) of snow is accumulated.
February is the month with the least rainfall. Rain falls for 7 days and accumulates 2.17" (55mm) of precipitation.
February is the month with the most snowfall in Errol, New Hampshire. Snow falls for 22.4 days and accumulates 13.66" (347mm) of snow.
With an average of 2.9h of sunshine, February has the least sunshine of the year.
The months with the lowest UV index are February and December, with an average maximum UV index of 1.
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.
The least humid month is May, with an average relative humidity of 77%.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 30min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
Errol experiences its highest temperatures in July, with an average peak of 74.1°F (23.4°C) and a low of 53.4°F (11.9°C).
July and August, with an average of 9.3h of sunshine, are months with the most sunshine.
The month with the most rainfall is October, when the rain falls for 15.4 days and typically aggregates up to 3.15" (80mm) of precipitation.
With an average of 8h and 54min of daylight, December has the shortest days of the year.
Average temperature
Errol, NH
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (21.2°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 (8.1°F).
Average pressure
Errol, NH
- Average pressure in January:
29.99"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:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Errol, NH
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.8mph
The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Errol, NH
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Errol, NH
- Average rainfall in January:
2.2" - Average rainfall in February:
2.17" - Average rainfall in March:
2.2" - Average rainfall in April:
2.87" - Average rainfall in May:
2.36" - Average rainfall in June:
2.91"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days
Errol, NH
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (7 days).
Average snowfall
Errol, NH
- Average snowfall in January:
12.24" - Average snowfall in February:
13.66" - Average snowfall in March:
11.1" - Average snowfall in April:
8.66" - Average snowfall in May:
0.67" - Average snowfall in June:
0"
The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Errol, NH
- Average snowfall days in January:
22.8 days - Average snowfall days in February:
22.4 days - Average snowfall days in March:
21.6 days - Average snowfall days in April:
11.7 days - Average snowfall days in May:
1.1 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:
3.6 days - Average snowfall days in November:
11.5 days - Average snowfall days in December:
20.4 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Errol, NH
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
2h and 54min - Average sunshine in March:
4h and 12min - Average sunshine in April:
6h and 12min - Average sunshine in May:
7h and 36min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 18min - Average sunshine in September:
7h and 54min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days
Errol, NH
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
4.9 days - Average sunshine days in March:
6.8 days - Average sunshine days in April:
8 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (4.9 days).
Average UV index
Errol, NH
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Errol, NH
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility
Errol, NH
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January, February, March, April, July, August, September, October, November and December (4mi).
