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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 Helena, New York, is another subzero cold winter month, with an average temperature varying between 9.9°F (-12.3°C) and 23°F (-5°C). January, with average temperatures reaching a high of 23°F (-5°C) and a low of 9.9°F (-12.3°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Helena, New York, with an average temperature ranging between max 25.5°F (-3.6°C) and min 12.4°F (-10.9°C). As February takes its course, Helena's average high-temperature registers at a still freezing cold 25.5°F (-3.6°C), closely aligning with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Helena, New York, with an average temperature ranging between min 22.5°F (-5.3°C) and max 35.4°F (1.9°C). March witnesses an increase in the average high-temperature, moving from a subzero cold 25.5°F (-3.6°C) in February to an icy 35.4°F (1.9°C). Weather in March »
Weather in April
April is a cool spring month in Helena, New York, with an average temperature ranging between max 50.4°F (10.2°C) and min 34.2°F (1.2°C). As April arrives, a noticeable rise in the average high-temperature is witnessed, moving from a wintry 35.4°F (1.9°C) in March to a fresh 50.4°F (10.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Helena, New York, with an average temperature fluctuating between 46°F (7.8°C) and 64.8°F (18.2°C). May's onset witnesses a marked shift in the average high-temperature, moving from a fresh 50.4°F (10.2°C) in April to an enjoyable 64.8°F (18.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Helena, New York, with an average temperature varying between 71.1°F (21.7°C) and 53.1°F (11.7°C). As Helena transitions into June, the average high-temperature is observed to slightly rise from a comfortable 64.8°F (18.2°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »
Weather in July
July in Helena, New York, is a warm summer month, with an average temperature ranging between min 59.2°F (15.1°C) and max 77.5°F (25.3°C). July temperatures tend to peak at an average high of 77.5°F (25.3°C) and dip to a low of 59.2°F (15.1°C). Weather in July »
Weather in August
August, the last month of the summer in Helena, is also a moderately hot month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75.9°F (24.4°C). August brings an average high-temperature of a still moderately hot 75.9°F (24.4°C), nearly identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Helena, New York, with an average temperature ranging between max 69.3°F (20.7°C) and min 50.9°F (10.5°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 75.9°F (24.4°C) in August to an agreeable 69.3°F (20.7°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Helena, New York, with an average temperature ranging between max 55.8°F (13.2°C) and min 42.3°F (5.7°C). October weather is marked by a drop in the average high-temperature, falling from an agreeable 69.3°F (20.7°C) in September to a moderate 55.8°F (13.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Helena, New York, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 30°F (-1.1°C). November's arrival correlates with a reduction in the average high-temperature, down from a mild 55.8°F (13.2°C) in October to an icy 42.1°F (5.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Helena, New York, with an average temperature varying between 19.4°F (-7°C) and 29.7°F (-1.3°C). A shift in the average high-temperature occurs in December, reducing from an icy 42.1°F (5.6°C) in November to a freezing cold 29.7°F (-1.3°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Helena?
January is the month when Helena experiences its coldest temperatures, averaging a high of 23°F (-5°C) and a low of 9.9°F (-12.3°C).
What is the most humid month in Helena?
January and February, with an average relative humidity of 90%, are most humid months in Helena.
How many days does it rain in Helena?
In Helena, New York, during the entire year, the rain falls for 160.1 days and collects up to 29.76" (756mm) of precipitation.
When does it snow in Helena?
Months with snowfall in Helena are January through May, October through December.
What is the snowiest month in Helena?
January is the month with the most snowfall. Snow falls for 16.5 days and accumulates 9.02" (229mm) of snow.
How many days does it snow in Helena?
Throughout the year, there are 70.6 snowfall days, and 36.02" (915mm) of snow is accumulated.
What are the months with the lowest UV index in Helena?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the month with the least sunshine in Helena?
With an average of 2.7h of sunshine, February has the least sunshine of the year in Helena, New York.
When is Daylight Saving Time (DST) in Helena?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Helena, 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 Helena?
With an average relative humidity of 77%, April is the least humid month in Helena.
When it does not snow in Helena?
In Helena, New York, snow does not fall in June through September.
When are the longest days in Helena?
The month with the longest days is June, with an average of 15h and 30min of daylight.
What part of the year is the hottest in Helena?
July stands out as Helena's warmest month, with an average high-temperature of 77.5°F (25.3°C) and a low-temperature of 59.2°F (15.1°C).
What month has the most sunshine in Helena?
The month with the most sunshine is July, with an average of 10.1h of sunshine.
What is the month with the highest UV index in Helena?
July is the month with the highest UV index in Helena, with an average maximum UV index of 6.
What is the wettest month in Helena?
The month with the most rainfall is August, when the rain falls for 17.4 days and typically aggregates up to 3.23" (82mm) of precipitation.
What is the driest month in Helena?
September is the month with the least rainfall in Helena, New York. Rain falls for 13.2 days and accumulates 2.01" (51mm) of precipitation.
What is the month with the shortest days in Helena?
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Helena, NY
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure
Helena, NY
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.04"Hg
The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Helena, NY
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Helena, NY
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Helena, NY
- Average rainfall in January:
2.09" - Average rainfall in February:
2.09" - Average rainfall in March:
2.09" - Average rainfall in April:
2.64" - Average rainfall in May:
2.64" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.8" - Average rainfall in August:
3.23" - Average rainfall in September:
2.01" - Average rainfall in October:
2.87" - Average rainfall in November:
2.28" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Helena, NY
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall
Helena, NY
- Average snowfall in January:
9.02" - Average snowfall in February:
8.62" - Average snowfall in March:
4.76" - Average snowfall in April:
2.72" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Helena, NY
- Average snowfall days in January:
16.5 days - Average snowfall days in February:
17.1 days - Average snowfall days in March:
11.5 days - Average snowfall days in April:
4.8 days - Average snowfall days in May:
0.5 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:
1.5 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Helena, NY
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - 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:
8h and 5min
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 48min).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
2h and 4min - Average sunshine in March:
4h and 3min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days
Helena, NY
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
9.1 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
13.4 days - Average sunshine days in November:
16 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.1 days).
Average UV index
Helena, NY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Helena, NY
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Helena, NY
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Helena, New York, USA
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