Climate and monthly weather forecastWhittier, NH
Climate and monthly weather forecast
Weather in January
January, the same as December, in Whittier, New Hampshire, is a freezing cold winter month, with temperature in the range of an average low of 9.5°F (-12.5°C) and an average high of 22.5°F (-5.3°C). January, with its average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 9.5°F (-12.5°C), holds the record as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Whittier, New Hampshire, with an average temperature ranging between max 25.3°F (-3.7°C) and min 11.1°F (-11.6°C). Upon the beginning of February, Whittier's high-temperatures register at a still freezing cold 25.3°F (-3.7°C), closely mirroring the preceding month. Weather in February »Weather in March
March, the first month of the spring in Whittier, is a wintry month, with an average temperature varying between 19.4°F (-7°C) and 33.4°F (0.8°C). March's onset brings a minor rise in the average high-temperature, moving from a freezing cold 25.3°F (-3.7°C) in February to an icy 33.4°F (0.8°C). Weather in March »Weather in April
April in Whittier, New Hampshire, is a chilly spring month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 46.4°F (8°C). Whittier's transition into April brings a rise in the average high-temperature, moving from a cold 33.4°F (0.8°C) in March to a frosty 46.4°F (8°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Whittier, New Hampshire, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 60.8°F (16°C). A clear escalation in the average high-temperature marks the arrival of May, surging from a chilly 46.4°F (8°C) in April to a refreshing 60.8°F (16°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Whittier, New Hampshire, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 49.1°F (9.5°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a comfortable 60.8°F (16°C) to an agreeable 68.2°F (20.1°C). Weather in June »Weather in July
July in Whittier, New Hampshire, is a warm summer month, with an average temperature ranging between max 74.8°F (23.8°C) and min 55.8°F (13.2°C). The highest temperatures are recorded in July, with averages reaching a high of 74.8°F (23.8°C) and a low of 55.8°F (13.2°C). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Whittier, New Hampshire, with an average temperature fluctuating between 73°F (22.8°C) and 53.8°F (12.1°C). The initiation of August sees an average high-temperature of an agreeable 73°F (22.8°C), showing minor variations from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Whittier, is still a comfortable month, with an average temperature fluctuating between 47.5°F (8.6°C) and 66.2°F (19°C). The start of September involves a subtle temperature drop, shifting from a pleasant 73°F (22.8°C) in August to a refreshing 66.2°F (19°C). Weather in September »Weather in October
October, like September, in Whittier, New Hampshire, is a cool autumn month, with an average temperature varying between 37.8°F (3.2°C) and 51.3°F (10.7°C). A shift in Whittier's weather is noticeable as September turns into October, with the average high temperature decreasing from a comfortable 66.2°F (19°C) to a cool 51.3°F (10.7°C). Weather in October »Weather in November
November, the last month of the autumn in Whittier, is another cold month, with an average temperature ranging between max 38.7°F (3.7°C) and min 26.8°F (-2.9°C). The move into November indicates a reduction in the average high-temperature, down from October's fresh 51.3°F (10.7°C) to a wintry 38.7°F (3.7°C). Weather in November »Weather in December
December, the first month of the winter in Whittier, is also a subzero cold month, with an average temperature ranging between max 28°F (-2.2°C) and min 17.8°F (-7.9°C). December involves a decrease in temperature, down from an icy 38.7°F (3.7°C) in November to a subzero cold 28°F (-2.2°C). Weather in December »Updated: Feb 13, 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
With its average high temperature of 22.5°F (-5.3°C) and a low of 9.5°F (-12.5°C), January is regarded as the coldest month in Whittier, New Hampshire.
January and February, with an average relative humidity of 89%, are most humid months.
Throughout the year, there are 132.9 rainfall days, and 13.86" (352mm) of precipitation is accumulated.
Months with snowfall in Whittier are January through May, October through December.
The months with the most snowfall in Whittier, New Hampshire, are January and February, with an average 6.1" (155mm) of accumulated snow.
In Whittier, New Hampshire, during the entire year, snow falls for 99.7 days and aggregates up to 37.05" (941mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.
February has the least sunshine of the year, with an average of 3.6h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Whittier, 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 month with the most rainfall is April, when the rain falls for 11.9 days and typically aggregates up to 1.57" (40mm) of precipitation.
May is the least humid month in Whittier, New Hampshire, with an average relative humidity of 78%.
In Whittier, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 24min of daylight.
The months with the highest UV index in Whittier, New Hampshire, are June and July, with an average maximum UV index of 5.
Whittier, New Hampshire, registers the average highest temperatures during July, with peaks of 74.8°F (23.8°C) and lows of 55.8°F (13.2°C).
With an average of 9.5h of sunshine, August has the most sunshine of the year in Whittier, New Hampshire.
September is the month with the least rainfall in Whittier. Rain falls for 9.2 days and accumulates 0.71" (18mm) of precipitation.
The month with the shortest days in Whittier is December, with an average of 9h and 0min of daylight.
Average temperature
Whittier, NH
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°F).
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure
Whittier, NH
- Average pressure in January:
30"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:
29.99"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
Whittier, NH
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.2mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.7mph - Average wind speed in October:
6mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Whittier, NH
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall
Whittier, NH
- Average rainfall in January:
1.06" - Average rainfall in February:
0.94" - Average rainfall in March:
0.91" - Average rainfall in April:
1.57" - Average rainfall in May:
1.26" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.22" - Average rainfall in August:
1.14" - Average rainfall in September:
0.71" - Average rainfall in October:
1.46" - Average rainfall in November:
1.14" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days
Whittier, NH
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
15 days - Average rainfall days in September:
9.2 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.6 days).
Average snowfall
Whittier, NH
The months with the highest snowfall are January and February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Whittier, NH
- Average snowfall days in January:
17.9 days - Average snowfall days in February:
17.3 days - Average snowfall days in March:
17 days - Average snowfall days in April:
11.3 days - Average snowfall days in May:
3.3 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:
4.3 days - Average snowfall days in November:
10.2 days - Average snowfall days in December:
18.4 days
The month with the highest number of snowfall days is December (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Whittier, NH
- Average daylight in January:
9h and 24min - 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 24min
- Average daylight in July:
15h and 6min - 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 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 36min - Average sunshine in March:
4h and 36min - Average sunshine in April:
6h and 36min - Average sunshine in May:
7h and 18min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 30min - Average sunshine in September:
7h and 42min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days
Whittier, NH
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
10.7 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.7 days).
Average UV index
Whittier, 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 and December (UV index 1).
Average cloud cover
Whittier, NH
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility
Whittier, NH
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
