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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Washington, New Hampshire, is a freezing cold winter month, with an average temperature ranging between max 25.5°F (-3.6°C) and min 13.1°F (-10.5°C). January is the month when Washington sees the lowest average temperatures, with a high of 25.5°F (-3.6°C) and a low of 13.1°F (-10.5°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Washington, New Hampshire, with temperature in the range of an average low of 14.5°F (-9.7°C) and an average high of 28.6°F (-1.9°C). Washington, New Hampshire, marks the start of February with an average high-temperature of a still subzero cold 28.6°F (-1.9°C), hinting at a slight fluctuation from January's 25.5°F (-3.6°C). Weather in February »
Weather in March
March, the first month of the spring in Washington, is an icy month, with an average temperature ranging between max 36.9°F (2.7°C) and min 22.8°F (-5.1°C). March sees a marginal temperature increase, moving from a subzero cold 28.6°F (-1.9°C) in February to an icy 36.9°F (2.7°C). Weather in March »
Weather in April
April in Washington, New Hampshire, is a fresh spring month, with an average temperature ranging between min 33.8°F (1°C) and max 50.7°F (10.4°C). As Washington transitions into April, the average high-temperature shows a change, moving from a cold 36.9°F (2.7°C) in March to a fresh 50.7°F (10.4°C). Weather in April »
Weather in May
May, the last month of the spring in Washington, is a comfortable month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 64.4°F (18°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 50.7°F (10.4°C) to a refreshing 64.4°F (18°C). Weather in May »
Weather in June
June, the first month of the summer in Washington, is an agreeable month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 51.4°F (10.8°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a comfortable 64.4°F (18°C) to a pleasant 71.6°F (22°C). Weather in June »
Weather in July
July in Washington, New Hampshire, is a moderately hot summer month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 78.4°F (25.8°C). July is the month when Washington's temperatures reach their peak, with averages of 78.4°F (25.8°C) and lows of 58.1°F (14.5°C). Weather in July »
Weather in August
August, the last month of the summer in Washington, is also a moderately hot month, with an average temperature ranging between max 76.5°F (24.7°C) and min 56.3°F (13.5°C). August begins with an average high-temperature of a still warm 76.5°F (24.7°C), reflecting close similarity to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Washington, is still a pleasant month, with an average temperature ranging between min 49.6°F (9.8°C) and max 68.9°F (20.5°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 76.5°F (24.7°C) in August to a pleasant 68.9°F (20.5°C). Weather in September »
Weather in October
October, the same as September, in Washington, New Hampshire, is a moderate autumn month, with an average temperature ranging between min 40.8°F (4.9°C) and max 55.4°F (13°C). October is characterized by a reduction in the average high-temperature, from a pleasant 68.9°F (20.5°C) in September to a mild 55.4°F (13°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Washington, New Hampshire, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 29.7°F (-1.3°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 55.4°F (13°C) in October to a cold 42.4°F (5.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Washington, New Hampshire, with an average temperature fluctuating between 31.3°F (-0.4°C) and 21°F (-6.1°C). A subtle decrease in the average high-temperature marks December, falling from November's cold 42.4°F (5.8°C) to a subzero cold 31.3°F (-0.4°C). Weather in December »
Updated: Aug 18, 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
What time of the year is the coldest?
With average temperatures fluctuating between a high of 25.5°F (-3.6°C) and a low of 13.1°F (-10.5°C), January stands out as the coldest month.
What is the most humid month?
The months with the highest humidity in Washington are January and February, with an average relative humidity of 86%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.79" (20mm) of precipitation.
How many days does it rain?
Throughout the year, there are 121.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.
When does it snow in Washington?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 65.7 snowfall days, and 19.88" (505mm) of snow is accumulated.
What is the snowiest month in Washington?
February is the month with the most snowfall. Snow falls for 13.9 days and accumulates 3.82" (97mm) of snow.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 3.8h of sunshine.
When is the lowest UV index?
February and December, with an average maximum UV index of 1, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
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?
April is the least humid month, with an average relative humidity of 75%.
When is the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What is the hottest time of year?
Washington experiences its highest temperatures in July, with an average peak of 78.4°F (25.8°C) and a low of 58.1°F (14.5°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10h of sunshine.
What is the wettest month?
October is the month with the most rainfall. Rain falls for 11.5 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Washington, NH
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure
Washington, NH
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.04"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:
29.94"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:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Washington, NH
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - 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:
5mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Washington, NH
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Washington, NH
- Average rainfall in January:
0.79" - Average rainfall in February:
0.83" - Average rainfall in March:
0.87" - Average rainfall in April:
1.38" - Average rainfall in May:
1.42" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.3" - Average rainfall in August:
0.98" - Average rainfall in September:
1.02" - Average rainfall in October:
1.61" - Average rainfall in November:
1.14" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Washington, NH
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
8.6 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Washington, NH
- Average snowfall in January:
2.83" - Average snowfall in February:
3.82" - Average snowfall in March:
3.62" - Average snowfall in April:
2.09" - Average snowfall in May:
1.06" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Washington, NH
- Average snowfall days in January:
11.6 days - Average snowfall days in February:
13.9 days - Average snowfall days in March:
12.8 days - Average snowfall days in April:
6.1 days - Average snowfall days in May:
1.4 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:
1.6 days - Average snowfall days in November:
7.1 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Washington, NH
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 1min
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:
4h and 2min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
Washington, NH
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
15.8 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is April (12.9 days).
Average UV index
Washington, NH
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Washington, NH
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Washington, NH
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Washington, New Hampshire, USA
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