Monthly weather forecast and climate
Islandia, NY

January, the same as December, is a wintry winter month in Islandia, New York, with average temperature ranging between max 37.9°F (3.3°C) and min 30.2°F (-1°C). With an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Islandia, is another cold month, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 39.7°F (4.3°C). In Islandia, New York, the average high-temperature in February is essentially the same as in January - a still wintry 39.7°F (4.3°C). Weather in February »

March, the first month of the spring, in Islandia, is a frosty month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 44.2°F (6.8°C). In Islandia, New York, the average high-temperature is almost the same as in February - a chilly 44.2°F (6.8°C). Weather in March »

April in Islandia, New York, is a fresh spring month, with average temperature varying between 45.1°F (7.3°C) and 52.3°F (11.3°C). In Islandia, the average high-temperature in April slightly increases, from a chilly 44.2°F (6.8°C) in March, to a fresh 52.3°F (11.3°C). Weather in April »

May, the last month of the spring, in Islandia, is a comfortable month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 54.3°F (12.4°C). In Islandia, New York, the average high-temperature marginally rises, from a fresh 52.3°F (11.3°C) in April, to an enjoyable 61.2°F (16.2°C). Weather in May »

June, the first month of the summer, in Islandia, is an agreeable month, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 63.5°F (17.5°C). In Islandia, New York, the average high-temperature increases, from an enjoyable 61.2°F (16.2°C) in May, to a pleasant 70.7°F (21.5°C). Weather in June »

July is a warm summer month in Islandia, New York, with average temperature fluctuating between 71.6°F (22°C) and 77.9°F (25.5°C). In July, the average high-temperature slightly increases, from a pleasant 70.7°F (21.5°C) in June, to a warm 77.9°F (25.5°C). Weather in July »

The last month of the summer, August, is another warm month in Islandia, New York, with average temperature fluctuating between 78.1°F (25.6°C) and 71.8°F (22.1°C). August is the warmest month, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Islandia, New York, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 72.1°F (22.3°C). In Islandia, New York, the average high-temperature in September marginally drops, from a warm 78.1°F (25.6°C) in August, to a pleasant 72.1°F (22.3°C). Weather in September »

October, like September, in Islandia, New York, is another enjoyable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 55.8°F (13.2°C). In Islandia, the average high-temperature in October decreases, from a pleasant 72.1°F (22.3°C) in September, to an enjoyable 62.4°F (16.9°C). Weather in October »

The last month of the autumn, November, is another cool month in Islandia, New York, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 45°F (7.2°C). In November, the average high-temperature decreases, from a comfortable 62.4°F (16.9°C) in October, to a cool 52.3°F (11.3°C). Weather in November »

December, the first month of the winter, in Islandia, is still a chilly month, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 44.1°F (6.7°C). In December, the average high-temperature slightly decreases, from a fresh 52.3°F (11.3°C) in November, to a frosty 44.1°F (6.7°C). Weather in December »

What is the coldest month in Islandia?

January is the coldest month in Islandia, New York, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C).

How many days does it rain in Islandia?

In Islandia, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.

What is the driest month in Islandia?

January is the month with the least rainfall in Islandia. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.

When does it snow in Islandia?

Months with snowfall are January through March, May, October and December.

How much does it snow in Islandia?

In Islandia, during the entire year, snow falls for 14.7 days, and aggregates up to 6.14" (156mm) of snow.

What is the month with the lowest UV index in Islandia?

Months with the lowest UV index in Islandia are January through March and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Islandia?

With an average of 4.8h of sunshine, February has the least sunshine of the year in Islandia, New York.

When does it snow the most in Islandia?

March is the month with the most snowfall. Snow falls for 2.5 days and accumulates 2.13" (54mm) of snow.

When it does not snow in Islandia?

In Islandia, New York, snow does not fall in April, June through September and November.

What are the most humid months in Islandia?

May and June, with an average relative humidity of 78%, are most humid months in Islandia.

When are the longest days in Islandia?

With an average of 15.1h of daylight, June has the longest days of the year.

What are the months with the highest UV index in Islandia?

Months with the highest UV index in Islandia are June through August, with an average maximum UV index of 6.

What month has the most sunshine in Islandia?

The month with the most sunshine in Islandia is July, with an average of 10.8h of sunshine.

What is the warmest month in Islandia?

August is the warmest month, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C).

What is the least humid month in Islandia?

The least humid month in Islandia, New York, is November, with an average relative humidity of 71%.

What is the rainiest month in Islandia?

The month with the most rainfall in Islandia is December when the rain falls for 12.3 days and typically aggregates up to 3.74" (95mm) of precipitation.

What is the month with the shortest days in Islandia?

December has the shortest days of the year, with an average of 9.3h of daylight.
Average temperature - Islandia, NY
Average pressure - Islandia, NY

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - Islandia, NY

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

Average humidity - Islandia, NY
Average rainfall - Islandia, NY

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days - Islandia, NY

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall - Islandia, NY

The month with the highest snowfall is March (2.13").
Months with the least snowfall are April, June, July, August, September and November (0").

Average snowfall days - Islandia, NY

The month with the highest number of snowfall days is February (4.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Islandia, NY

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days - Islandia, NY

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

Average UV index - Islandia, NY
Average visibility - Islandia, NY

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).