Climate and monthly weather forecastChester, NH
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Chester, New Hampshire, with an average temperature ranging between max 30.6°F (-0.8°C) and min 18°F (-7.8°C). The coldest temperatures occur during January, when averages reach a peak of 30.6°F (-0.8°C) and a low of 18°F (-7.8°C). Weather in January »Weather in February
February, the last month of the winter in Chester, is an icy month, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 33.3°F (0.7°C). The arrival of February marks a slight shift to an average high-temperature of an icy 33.3°F (0.7°C) from January's 30.6°F (-0.8°C). Weather in February »Weather in March
March, the first month of the spring in Chester, is still a cold month, with an average temperature varying between 26.4°F (-3.1°C) and 41.2°F (5.1°C). Chester's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's icy 33.3°F (0.7°C) to a still cold 41.2°F (5.1°C). Weather in March »Weather in April
April is a cool spring month in Chester, New Hampshire, with an average temperature fluctuating between 55°F (12.8°C) and 37.4°F (3°C). A rise in the average high-temperature is observed during April, moving from a wintry 41.2°F (5.1°C) in March to a cool 55°F (12.8°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Chester, New Hampshire, with an average temperature varying between 47.1°F (8.4°C) and 66.9°F (19.4°C). The shift into May is marked by a rise in the average high-temperature, moving from April's cool 55°F (12.8°C) to an enjoyable 66.9°F (19.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Chester, New Hampshire, with an average temperature varying between 74.5°F (23.6°C) and 54.5°F (12.5°C). In Chester, stepping into June brings a gentle temperature nudge, moving slightly up from May's refreshing 66.9°F (19.4°C) to a moderately hot 74.5°F (23.6°C). Weather in June »Weather in July
July, like June, in Chester, New Hampshire, is another warm summer month, with an average temperature fluctuating between 61°F (16.1°C) and 81.7°F (27.6°C). Temperature records mark July as the warmest month, with highs averaging 81.7°F (27.6°C) and lows at 61°F (16.1°C). The heat index for July is estimated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Chester, New Hampshire, with an average temperature fluctuating between 80.1°F (26.7°C) and 59.9°F (15.5°C). August's commencement is accompanied by an average high-temperature of a still warm 80.1°F (26.7°C), diverging marginally from July's 81.7°F (27.6°C). Weather in August »Weather in September
September, the first month of the autumn in Chester, is also an agreeable month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 54°F (12.2°C). In the transition to September, Chester observes a minor drop in the average high-temperature, shifting from a moderately hot 80.1°F (26.7°C) in August to an agreeable 72.1°F (22.3°C). Weather in September »Weather in October
October, the same as September, in Chester, New Hampshire, is a moderate autumn month, with an average temperature varying between 59.2°F (15.1°C) and 44.6°F (7°C). Stepping into October, Chester observes a temperature decline, with the average high falling from September's pleasant 72.1°F (22.3°C) to a moderate 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Chester, is also a frosty month, with an average temperature fluctuating between 46.6°F (8.1°C) and 33.6°F (0.9°C). November's arrival corresponds with a decrease in average high-temperatures, from October's refreshing 59.2°F (15.1°C) to a frosty 46.6°F (8.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Chester, New Hampshire, with an average temperature fluctuating between 25.3°F (-3.7°C) and 36.3°F (2.4°C). Chester's weather changes with the onset of December, slightly falling from a chilly 46.6°F (8.1°C) in November to a wintry 36.3°F (2.4°C). Weather in December »Updated: Aug 19, 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
The month of January, characterized by an average high of 30.6°F (-0.8°C) and a low of 18°F (-7.8°C), is recognized as the coldest.
January is the month with the least rainfall in Chester. Rain falls for 4.1 days and accumulates 0.75" (19mm) of precipitation.
Throughout the year, there are 104.4 rainfall days, and 12.95" (329mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Chester, during the entire year, snow falls for 26.1 days and aggregates up to 11.54" (293mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
With an average relative humidity of 81%, February is the most humid month.
With an average of 4.6h of sunshine, February has the least sunshine of the year.
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.
With an average relative humidity of 72%, April is the least humid month.
In Chester, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 18min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July, with its average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61°F (16.1°C), holds the record as the warmest month.
The month with the most sunshine is August, with an average of 10.4h of sunshine.
The month with the most rainfall in Chester is October, when the rain falls for 9.4 days and typically aggregates up to 1.38" (35mm) of precipitation.
December is the month with the most snowfall in Chester. Snow falls for 4 days and accumulates 2.99" (76mm) of snow.
December has the shortest days of the year in Chester, with an average of 9h and 6min of daylight.
Average temperature
Chester, NH
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Chester, NH
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.03"Hg
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
Chester, NH
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.1mph - Average wind speed in March:
7.9mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Chester, NH
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Chester, NH
- Average rainfall in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.18" - Average rainfall in April:
1.06" - Average rainfall in May:
0.98" - Average rainfall in June:
1.18"
The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Chester, NH
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
12 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
11.9 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
8.4 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Chester, NH
- Average snowfall in January:
2.4" - Average snowfall in February:
2.32" - Average snowfall in March:
1.85" - Average snowfall in April:
0.91" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Chester, NH
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
5.7 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
4 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chester, NH
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
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).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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).
Average sunshine days
Chester, NH
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
17.1 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
17.1 days - Average sunshine days in August:
18 days - Average sunshine days in September:
20 days - Average sunshine days in October:
20 days - Average sunshine days in November:
21 days - Average sunshine days in December:
21.3 days
The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).
Average UV index
Chester, 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, March, November and December (UV index 2).
Average cloud cover
Chester, NH
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Chester, NH
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
